The Iron Age 1938-04-14: Vol 141 Iss 15

FRITZ FRANK President J. H. VAN DEVENTER Editor Managing Editor News Editor Editor Emeritus Machinery Art Metallurgical Associate Editers JURASCHEK Consulting Editor Washington Editor Resident District Editors Pittsburgh Oteveland Detroit Editorial Correspondents London, England Cincinnati FRAZAR Boston Hamburg, Germany Milwaukee San Francisco SANDERSON ASA ROUNTRBE, JR. Toronto, Ontario Birmingham Leroy ALLISON Roy Newark, N J St Louis TURNER Buffalo Owned and Published by CHILTON COMPANY (Incorporated) Publication Office Editorial and Chestnut and 56th Executive Offices Philadelphia, Pa. 239 West 39th New York, OFFICERS AND DIRECTORS C. A. MUSSELMAN, President FRITZ FRANK, Executive Vice-President FREDERIC C. STEVENS, Vice-President JOSEPH HILDRETH, GEORGE GRIFFITHS. EVERIT TERHUNE, WILLIAM BARBER, Treasurer JOHN BLAIR MOFFETT, Secretary JOHN VAN DEVENTER JULIAN CHASE THOMAS KANB CHARLES 8. BAUR CARROLL BUZBY P. M. FAHRENDORF BAUR, General Advertising Manager DIX, Manager Reader Service Member, Audit Bureau of Circulations Member, Associated Business Papers t Indexed in the Industrial Arts Index. (| a every Thursday. Subscrip- tion Price: United States and Pos- sessions, Mexico, Cuba, $6.00, Can- ada, $8.50; Foreign, $12.00 a year. Single copy, cents. Cable Address, ‘“‘Tronage, N. Y."’ ADVERTISING STAFF Emerson Findley, 621 Union Bidg., Cleveland B. L. Herman, Chilton Bldg., Chestnut & 56th Sts., Philadelphia, Pa. H. K. Hottenstein, 802 Otis Bidg., Chicago H. E. Leonard, 239 W. 39th St., New York Peirce Lewis, 7310 Woodward Ave., Detroit C. H. Ober, 239 W. 39th St., New York W. B. Robinson, 428 Park Bldg., Pittsburgh D. C. Warren, . O. Box 81 Hartford. Conn APRIL 14, 1938 The Mule Who Would Not Back Exhibitors Leipzig Technical Fair Increasing Turret Lathe Productivity Machine Tool Developments the Month Ten Years Steel Financial Analysis the Steel Industry Statistics the Metal Working Industry Automotive Industry Washington News Rate Activity Capital Goods NEWS CONTENTS Plant Expansion and Equipment Buying New Industrial Literature Just Between Two Products Advertised Indexed Advertisers Copyright 1938 by Chilton Company (Inc.) 122 142 166 x 4 gi- est te. ice rd ica op | | ril bat ile es ill as at ks | | | St. | ith of et : ng . TAKE STEEL TREATING Special Alloy Steel Service Helps User Quickly Secure Desired Results Ryerson certifies the known uniform high erties. grain size, cleanliness rating and actual quality all steels stock—from the thinnest results heat treatment tests, are sent with sheet the heaviest plate—from the smallest every shipment Ryerson Certified Alloy Steels. bar the largest beam. addition, have This complete information makes guessing developed special alloy steel service that testing unnecessary. The heat treater knows the big help securing desired heat treatment re- characteristics the steel. does not sults. Whole heats ideal close range analysis chances and gets better results less time. are selected for each S.A.E. number; special There are many other advantages. Let tell data sheets showing chemical and physical prop- you the complete for booklet R2. Joseph Ryerson Son, Inc. Plants at: Milwaukee, St. Louis, Cincinnati, Detroit, Buffalo, Boston, Philadelphia, Jersey Principal products stock for Imme- diate Shipment include—Bars, Struc- turals, Plates, Alloy Steel, Tool Steel, Spring Steel, Iron and Steel Sheets, Stainless, Babbitt, Strip Steel, Welding Rod, Tubing, etc. WRITE FOR 28-PAGE BOOK STEELS | ie. ... THE IRON AGE ... APRIL 14, 1938 ESTABLISHED 1855 Vol. 141, No. The Mule Who Would Not Back HOSE who have lived and industry long enough cut our wisdom teeth are aware that progress not made straight lines. One has around good many corners and also times some back-tracking. The progress from poverty prosperity not simple the accounts that Horatio Alger and other historians imaginary successes put before our boyhood days. Nor such the movies place before more modern generation. The average aspiring youth today does not become vice-president through the simple and orderly process achieving stroke position the varsity crew and then marrying the daughter. Nor does the average industrial con- cern grow great planned and unbroken series successful coups and maneu- vers. Four steps back six steps forward more like it. main thing, either with the individual the industrial concern know when time into reverse, back-track. And that the hardest thing all only had sense enough promptly back out impossible and unprofitable situations, our business mortality lists would much shorter. One the great deterrents the possession this ability frailty known pride which another name for obstinacy. not pleasant admit one's mistakes. proud and obstinate man the head business concern men- ace the business. reminds one the story the obstinate Missouri mule who would never back up. When made his mind ahead, ahead went spite hell high water. One day his owner hitch2d this mule the wagon, put his family aboard and started journey the home distant neighbor. Down the road way they came sign which said Closed—Washout—Bridge The farmer tried desperately persuade his mule stop and turn around but the stubborn animal did not believe signs. continued his course, finally dashing himself, the cart and the farmer's family into the swollen torrent which they perished. The moral this story applicable individuals, business concerns and even this: When you discover that you are traveling down the wrong road, don't let pride obstinacy keep you from turning back. fe > ‘oe # Sind ar ; ¥ d 7 4 | ing . ‘eland, City. 4 | 7 | = Record Number Exhibitors JULES DIERCKX the high spots this year's Leipzig Spring Fair, held March are here reported Mr. Dierckx, who for many years has attended these historic expositions machine tools and other engineering equipment. Now sales engineer, Mr. Dierckx was for several years vice- president and sales manager the Keller Mechanical Engineering which 1931 was acquired the Pratt Whitney Co., Hartford. well known throughout the machine tool industry both America and Europe. Leipzig Fair institu- tion which has been existence for number centuries, and has been carried through all the most trying periods through which passed. None the calamities which have beset that country have interfered with the Leipzig Fair, and thus dur- ing the most trying years the World War, 1914-1918, followed bloodless revolution and deflation pe- riods have not affected the holding both spring and fall Leipzig Fairs. Leipzig, city about 600,000 in- habitants, visited during the Fair, other words, for about week ten days, the population Leipzig increased per cent, making its hotel accommodations premium and that large proportion the visitors have live with families, which seems accepted order things. This farming out visitors among the population Leipzig handled committee the city Leipzig, and this committee makes its busi- ness visit all the people who are 32—THE IRON AGE, April 14, 1938 willing take guests during the fair. most cases, the homes which are occupied the guests, little posters the walls tell them the price the room, charges for breakfast and the percentage for the services. makes that the visitors applying this organization can put family and generally treated house guest. fact, the host takes great deal interest the visitors; they are treated they were long standing members the family. for the matter getting fed during the period the fair, this another matter, for the thousands visitors are all wanting eat the same time, and though Leipzig there are very large restaurant facil- ities, there have been times, when the average visitor has been happy suc- cessful finding seat table, which not always the case. Technical Fair Well Attended The Leipzig Fair has both mer- chandising and technical division held grinding machine exhibited Leipzig Fair Hermann Kolb, Ehrenfeld. | | | | | | | | | | | | | | q | ° ° Leipzig Technical Fair two different parts the town. merchandising division which manufacturers small wares, toys, show their products, held buildings the city. The technical fair, which the only one interest us, held the outskirts the city group very large build- ings. The technical fair was very well attended and was not uncommon attendant, and hearing conver- sations French Spanish Eng- lish Czech any other language being carried other parts the exhibiton, for most the exhibitors had attendants who seemed able talk great many languages. the two fairs which are held an- nually, the spring fair, the one which opens the early part March, the one which specially for the technical machin- ery division. This technical exhibition has been year exhibitors machine tool and shop equipment numbered against 431 last year, and floor space occupied this year was 77,000 square meters compared with 61,045 square meters 1937. Heretofore, Hall No. has always housed the main machin- ery exhibition; this year Hall No. and parts Halls Nos. 11, and 21A were required. might mentioned this time that addition the products German manufacturers, great many French, Swiss, English, well some our American machines built England, such those Cincin 2—Flywheel type press shown Eumuco Aktien- gesellschaft fiir Ma- schinenbau. > ° ° ° JULES DIERCKX nati Milling Machine and Grinders, Inc., were shown. Whereas the whole not many new machines were exhibited, owing the large call for machinery the government, for government expansion, nevertheless some machines heretofore not made Germany, were exhibition. Automatic Die Cutting Machines reproduction old friend mine, Keller B.G. automatic die-cutting Engelhard A.G. Offenbach a.M. first, was rather indignant and feel- ings were hurt, but when had occa- sion talk one the gentlemen connected with this exhibition, found that this machine was built under li- cense from the Keller division the Pratt Whitney Co. Later on, and another part the Hall, ran across Heyligenstaedt and Comp. G.M.B.H. Giessen. Again the feeling surprised indignation came me, but close inquiry developed that the B.L. automatic tool room machine which was demonstration was built under license. both cases must say that the manufacturers the reproduction have done the original design justice, for not only did the machines operate properly, but they were built very THE IRON AGE, April 14, 1938—33 4 > ij — ° ° ° | ae nice way from every angle, both the electrical well the mechanical side. Die-Cutting Machine With Electric Eye Device Collet and Engelhard showed development their own the way die-cutting machine working from line drawings with device the or- der the electric eye. This machine, however, thus far can work only two directions time, either hori- zontal vertical, and they make con- siderable claims for its accuracy. The jobs which were shown me, however, did not entirely substantiate the claims which were made. Although this type control may eventually out satisfactorily, still has long way before will commercially successful, much that literature has been published about this machine. Muller and Montag Leipzig, showed vertical automatic die-cutting machine with electrical control. Again this machine will call for some development. Gear Tooth Grinder Hermann Kolb, Koln, exhibited interesting gear 34—THE IRON AGE, April 14, 1938 3—Improved milling machine demonstrat- Allgemeine Werkzeugmaschinen. grinding machine which pictured this case, the gear mounted fixed rotating arbor, and while indexes, the carriage sup- porting the wheel drops and raised again when the next tooth for grinding. this way, both sides the gear-tooth, well the root the tooth, are ground one and the same wheel, automatically. The facilities which this type machine offers are, doubt, greatly appreci- ated those who have had occasion use this type grinder. One the interesting features the fair was the extensive demonstra- Machines all types from millers lathes and precision lathes, fact any machine which tools used with Widia tungsten carbide were shown operation. United States good deal tungsten carbide being used, but none our exhibitions has such display ever been made. Electro-Hydraulic Flywheel-Type Press The Eumuco Aktiengesellschaft Maschinenbau showed press the flywheel type with elec- tro-hydraulic power (Fig. 2). The hammer raised through driven oil gear pump which actuates two cylinders either side the ways which raise the hammer the top the frame. The hammer then released, and through the accumulated power the flywheel, goes through its course and delivers very power- ful blow. This new type tool which they have developed and from which they expect great deal. great deal economy claimed for this type flywheel action over the one where the flywheel operated through side contacts, which certain extent, give slippage. The Allgemeine Werkzeungmaschin- injection plastics molding machine demonstrated the Leipzig Fair Franz Braun Akt. Ges., Zerbst. 4 | | | i . | i con : Aktiengesellschaft exhibited im- provement over their formerly shown machine which mills different way from customary methods milling: reversing the milling they get higher cutting efficiency than they contended that tooth the milling cutter take the material the heaviest part instead the lightest part, they obviate slid ing friction and thereby get much more efficient cut. This machine No. included interesting automatic plastics molding machines, including Isoma injection molding equipment Zerbst, Fig. and various units pro- duced Eckert Ziegler, Kola, one The exhibitors the fair spared neither effort nor expense show some the heaviest machin- 5—Automatic plastics molding ma- chine made Eckert Ziegler, Braunsfeld. ery, some which must have taken was very inspiring, and the number weeks erect, and will take weeks visitors which were hand were remove. the whole, the exhibition good reward for the efforts made. cast steel speed ring ft. in. diameter, ft. in. high and weighing 250,000 being machined ft. boring mill the West Allis works Allis-Chalmers Mfg. Co. This speed ring will form part one the two 55,000 hp. hydraulic turbines built that company and now installed the Pickwick Landing project TVA. These units will among the largest propeller type turbines the United States. 4 4 THE IRON AGE, April 14, 1938—35 7 Ad 7 q q lool Increase Turret Lathe Productivity ° BAILEY Manager, Tool Division, The Warner Swasey Co. this article the author describes interesting forward step which has just been taken the Warner Swasey Co. for the purpose promoting convenience and economy. This consisted broad redesign the chucking and cutting facilities for use with the company's product. The new line tool equipment was exhibited the sales representatives for the first time April and amazing fact about the turret lathe that efficient, amazingly high-productive lathe -which will machine the most difficult metals accuracies measured thousandths inch, speeds never visioned old builders—is simply the result im- ment the original turret lathe used the making crude sewing ma- chines and firearms more than half century ago. The history the evolution the turret lathe exceedingly interest- ing but course much too long ing constantly better use certain fundamentals design which were completely evolved the early IRON AGE, April 14, 1938 basic parts turret lathe consist head the left, con- taining driving mechanism, means which the piece ma- chined held and rotated; unit the center, called the which presents cutter the rotating metal; and the right, the “turret,” revolving unit holding group tools, each which used turn for making duplicate parts. still remains the case today. the period between the the war, major emphasis the devel- opment the turret lathe was the perfecting these basic ing this period, speed-changing gears were added the head the ma- chine, for example. This possible change the speed the rotating spindle simply moving clutch lever. During this period, too, power was added the turret. This made possible move the turret unit away from the work piece sim- ply throwing lever instead cranking hand-wheel. Then power was added the cross slide, making possible move this center cut- sideways back and forth, power. Then among other improvements, the cross slide post was This made possible hold many four cutters this unit once and apply them the work one time simply revolving their holder. After the war, major emphasis was increasing power and speed. The bar machine 1914 with three h.p. drive and speed 450 for example, was stepped 1926 750 r.p.m. with five h.p. motor. Six years later the same ma- chine was stepped again, this time motor. Greatest machine tool development recent times was improvement the cutters, the bits steel which act spe pre wit cut ste all tin ye q tel a er ° ° | a ° ° ° f | e c a ° ° ° actually remove the speed steel cutters were greatly im- proved and few years ago cemented tungsten carbide cutters widespread cutters not only cut metal faster than steel but were able cut the new steel which were also developed about that time. parts the original turret lathe were perfected, speed the machine was drastically stepped and ters were found remove the metal greatly increased speeds under ex- tra heavy But the process evolution, never ending, always presents new problems. One the biggest turret lathe prob- lems today the need for complete new line tools. the turret lathe has been improved and powered such point that the tools must brought the standard set the new machines. Tools, course, are holding devices and accessories and auxiliary equip- ment used for gripping the work and for applying the cutter the work. such they are very important element the turret lathe unit. Tools adapt the machine the particular job hand. They increase the ma- chine’s usefulness making possible wide variety work. they increase the efficiency THe power chuck wrench substitutes electric power for muscle power large chucking jobs. simply throwing lever the opera- tor can open and close the chuck and grip the work piece with any pressure de- sired. Only one hand re- quired operate this new tool, leaving the other hand free for adjusting the work. into one. Standard tools have been tured machine tool years. Earliest catalogs issued before the present century listed some the basic tools still common use. But with increased power cutters complete redesign the line standard tools necessary. the first place, devices holding both the work and the cutter must have rigidity and durability stand under the extra heavy addition, increased speed machin- ing operations makes more than ever necessary shorten the handling time operations. means tools that can changed set quickly. The demand for increased rigidity has been accentuated the fact that engineers and designers more and more widely using new alloy steels, high strength castings and non-ferrous duced. The ever widening application these new materials machinery and products and appliances all kinds requires more frequent use the new tungsten carbide cutters. Tungsten carbide cutters which can take off bigger chips and can ef- ficiently run even after they get very hot, must held extremely For like most every other new opment tungsten carbide cutters have drawback. are hard that they tend brittle and cannot bent without breaking. Old machines with few exceptions cannot use tungsten carbide cutters even present high-speed steel cut- ters capacity. New machines were made stronger, heavier and redesigned meet the ments. But except where had done immediately, tools have not yet been generally redesigned give cutters the extreme rigidity re- quired. Another problem that developed in- cidentally with increased speeds and use the new materials, that the removal chips. Chips, now coming off the work tremendous speed are both getting into crevices they never did before and piling around the cutters. This problem serious one because tool clearance vitally important the operation turret lathe. With trade, the demands Warner Swasey Co. building complete new line tools and accessories, starting from Every old tool being re- studied and its construction and use fulness carefully analyzed see has place the new program. Such searching study reveals that, almost without exception, every meet 1938 demands. the process evaluating the old q 4 : q | : | 4 tools and studying the entire tool prob- lem, the need developed for many completely new new conceptions speed and power, arid featuring quick set-up which reduces minimum time lost between pro- ductive operation, these new tools are now being built together with the redesigned old tools. The retooling program has been under way for over year. months have been making careful study and conducting exten- sive research into every phase the many sided problem standard tools. The fruit that work design after design new and improved tools for which, the study showed, there definite shop need. These tools were developed both for machines now service and new machines the latest design. The most important features the new tools are course increased rigidity and quicker set-up. fully appreciate the extent which these features are being adopted the new tools one must see the complete line. However preview even few 38—THE IRON AGE, April 1938 the new tools here presented will give some idea the sweeping in- provements that have been made. There tool called “adjustable knee tool,” for example. This new tool, designed for short bar work, bars in. diameter and in. long, turns the surface the bar and drills the new set- multiple turning heads and overhead pilot bars left) the over- head pilot bar sta- tionary and attached the head the machine the page). needed for each ma- chine instead one for each multiple turning head the old set-up. hole its end, both the same time. perform both these cutting operations one time such small work, The job would have done two operations. Savings strong the old bar Only one pilot bar | | | — type multiple turning head and overhead pilot bar. With this ar- rangement the over- head pilot bar fixed the multiple turning head the hexagon turret the right. Compare with the new ar- rangement shown 8822. new chucks are more massive, give greater rigidity and increased hold- ing power. All chucks the new line will bolted rather than screwed on, and pressure grease lu- bricated. with use such standard tool are obvious. But addition combin- ing both operations into one, the tool has two other important designed that easily possible set both cuts once less time than would take set them sep- And can used with boring tool drill bored hole the end the bar. Another new tool called the “power chuck wrench” relieves the operator that exertion. simply substitutes electric power for muscle power. With the power chuck wrench, the operator simply engages it, starts the motor and while watches, the power chuck wrench opens closes the chuck. stations the transformer give the operator any pressure required. course, are made all sizes and various types meet par- ticular requirements. The chucks the heavy duty class, which will presented for the first time with the other new tools, completely increased speeds, heavier cuts and more pressure the gripping jaws, the new chucks are more massive, give greater rigidity, and generally redesigned give increased holding power. addition improvements de- sign which make for increased hold- ing power, least two other impor- tant developments are featured the new line chucks. chucks the new line are now bolted flanged spindles instead being screwed on, and all chucks are pressure grease lubricated. Other important new improvements are what are called “multiple turn- ing heads” and “overhead pilot bars.” When heavy cuts are made large work, great twisting strains are set the turret lathe result. Sometimes large and heavy cuts the turret the machine may have take terrific twisting load. cases that kind, necessary reinforce the turning heads make them rigid possible. “Multiple turning heads,” in. high, which are attached the hexagon turret, and “overhead which connect the top the multiple turning with the head the machine point high over the bed the machine, provide this Heretofore the overhead pilot bar was always attached the multiple turning head. When needed, was swung around into position and the free end was fitted into fixed the head the machine. With this arrangement, whenever the hexa- THE IRON AGE, April 14, 1938—39 N | j | 4% 7 J gon turret was revolved, even though the bar being used, the attached pilot bar would naturally move with it. Sometimes large machines the pilot bar would swing circle feet across. This course made unwieldy thing handle. The new design tools changes this arrangement the heavier least two other more important advan- tages. First, with the pilot bar fixed the head the machine, only one bar now needed serve any number multiple turning heads. Heretofore. with the bar fixed the multiple turn- ing head, many bars were needed there were turning The new new “adjustable knee designed for short bar work, turns the surface the bar and drills hole its end, both the same time. attached the multiple turning head the pilot bar now fixed the other end—to the head the machine where remains stationary. With the new arrangement, the multiple turning head simply moved the sta tionary bar. swing pilot bars around the ma- chine, however, one the less im- portant the many advantages this new arrangement. are 40—THE IRON AGE, April 14, 1938 arrangement one bar per machine will undoubtedly result much more frequent use pilot bars, thereby materially the and effectiveness. Special Tools Rarely Needed Second, the new bars are, least twice strong the old ones. And since the function pilot bar, the first place, increase the rigid- ity the turret lathe, the stronger the bar, the greater its effectiveness the twisting action heavy cuts, The new attachments viewed here and the host other new and improved tools soon an- nounced will make possible handle almost any turret lathe job with standard tools. The need for special tools made great ex- pense for job will relegated extremely unusual cases. This, course, will not only increase the usefulness the turret lathe making more adaptable larger variety work, but will materially increase its productivity making available proper, standard every job. Seaboard Scrap Dealers Elect Plant President Seaboard chapter, the Insti- tute Scrap Iron meeting Baltimore, elected the fol- lowing officers: President, Marvin Plant, Klaff Co., Inc., Balti- more; vice-president, Philip Smith, Joseph Smith Sons, secretary-treasurer, Joseph Shapiro, more. The executive committee, addition the officers, will consist the following: Morris Shapiro, Boston Iron Metal Co., Baltimore: Norfolk, Va.; Jacob Shapiro, United Metal Co., Baltimore; Co., Baltimore. Tool Builders Meet Westinghouse Plant third annual meeting ma- chine tool builders and electrical equipment manufacturers, the 1938 Machine Tool Electrification Forum, will held the East Pittsburgh Works Westinghouse Electric Co., May 10, and 12. The program will include papers special and difficult problems pre- sented representatives machine tool builders and talks given West- inghouse application and design engi- neers. Inspection trips through the Westinghouse research laboratories and manufacturing plants will ar- ranged. the meeting held last year, delegates representing tool builders attended. even larger delegation expected this 7 iw Machine Tool evelopments the Past Month ° FRANK OLIVER Associate Editor, The Age engineering development, fact that since starting the present practice correlated equipment reviews THE IRON AGE, each succeeding monthly review announcements the strictly machine tool builders contains more items than the preceding one. This fourth review the series contains references products, including bench riveter and woodworking saw. literally the "Blue Book" the industry, since the manufacturers who have announced new products the past month are truly the cream the crop. While some the machines described represent changes largely size increase range, there are two distinctly new developments, involving uncon- ventional design. One worm gear generator, the functions which were largely dictated the peculiarities the gears being cut; the other high production nut tapper, using straight shank tap and new method screwing the blanks over the stationary tool. has been true right along, the largest number new equipments are found among the grinders. the roughing operation, narrow blade generating cutter (or hob) into the blank cams until the required center reached. ERETOFORE, Cone type worm gearing has been pro- duced largely matic machines low production rate the large area surface contact the finishing operation, means Cone worms and wheels prevented differential rotary feed, plus the the use conventional gear cutting the cutter blades shave off equipment. Michigan Tool Co., De- the remaining material. Teeth are troit, now announces line high not involute, but are generated production, automatic Cone gear gen- straight lines tangent the same base erators, which mav also used for circle about the mating worm wheel. finishing Cone gearing, both worms sliding action and the tooth design and wheels are machined with the such that oil carried and forced cutter and work exact through ahead the entering distances. achieve this, tooth. the work must done two steps: new machines are designed for cutting gears in. center dis- tance, with wheels in. diameter and worms in. These sizes cover virtually the entire range Cone gears produced large quan- tities, since much smaller center dis- tances for the same capacity are pos- sible compared with conventional worms and wheels. air chuck holds the work vertical spindle. The infeed and rotary feed mecha- nisms are operated independent motor. The cutter drive are connected with the main drive mechanism through sliding couplings and are provided with mi- crometer adjustments for alining the spindle heads are Cone worm gear driven. Spindles are mounted pre- cision preloaded bearings. Cycle from sec. min. Automatic Nut Tapper Another new machine entirely new and unconventional design automatic nut tapping machine just introduced the Farrel Machine Co., Waterbury, Conn. One feature that distinguishes this tapper the use stationary straight shank tap, but equally impor- tant the vice employed grip and revolve the nut blank over the station- ary tap. said that the thread axis the tap absolutely normal the THE IRON AGE, April 14, | re- ler ise ° ° r ° ° ° h | face the nut under all conditions, that any tendency ream other- wise distort the hole eliminated. Among the advantages claimed tor the machine are: degree accu- racy sufficient produce Class and fits quantity basis; speeds excess any that have heretofore heen attained automatic nut tap- ping: easy and convenient operation. After setting for any particular job, only necessary the tap place and start tapping; there preliminary stacking loading the tap. 42—THE IRON AGE, April 14, 1938 BELOW LTHOUGH the size the new Waterbury- Farrel automatic nut tapper capable handling the ity sizes com- mercial nuts, there are also and mechines available. Several unique de- sign features are in- corporated. LEFT the new Cone worm gear gen- erator, straight sided cutter blades that are narrower than the space between the teeth are used for the roughing cut, followed finish shaving operation. carriage unit now available for Landmaco threading machines. automatically compensates for any misalignment the work with the die head. handwheel also included. ABOVE leading-on at- tachment makes use the hexagon turret for accurately cutting threads Warner Swasey ram type turret lathe. operation, the nut blanks gravi- tate hopper down chute, which delivers them into line with the tap, and directly back revolving head. They are then pushed auto- matically into driving square with the tap and onto the head revolves. three- lingered jaw required for hexagon nuts and for nuts. The tap shank extra long accommodate two pairs mechanically operated holding clamps. These clamps engage and release al- ternately permit the accumu- lated tapped nuts intermittently and positively carried toward the end until they drop off and slide into receptacle. Both nut and tap are plainly visible during the threading The chips are washed away the lubri- cant and collect removable drain The cutting oil drains back into ° ° ° large supply tank and re-circulat- ed. Automatic safety devices are pro- vided minimize tap breakage prevent machine damage. Driving motor, oil pump and drive parts are all housed the pedestal, but are readily Threading Attachment attachment for using ram type turret lathe for the accurate cutting Swasey Co. The entire attachment, which can used for die heads and taps for the cutting threads single-point method, controlled one operating lever and the regular stop screws the end the turret slide. This the first stand- ard threading unit built for use the hexagon turret ram type lathes. can fitted the Nos. + The control lever first engages the half nuts with the leader and then the single-tooth clutch the bottom the gear box, causing the turret slide move according the pitch the leader. Half nuts are engaged through positively actuated cam. Range threads with the standard gear box the full effective stroke the turret slide. Because full stroke thread- relative positioning die head tap with the leader position necessary. The control lever acts interlock prevent the accidental engagement the longitudinal feed when threading, vice Floating Carriage for Threader optional equipment Land- threading machine, the Landis offering carriage front with bination floating unit that automat- BELOW Colonial pull- down broach, shown without fix- tures, was designed pull broach holes front axles. ically compensates for any ment the work and with vise jaw having handwheel that delivers hammerlike blow effect the gripping releasing the work with least effort. The vise mounted series three plates. Adjusting screws the rear plate, which bolted directly the carriage, permit adjusting the entire unit with relation the spindle centerline. Lugs the outer ends the rear plate support spring-backed plungers carried the middle plate and these provide the vertical floating ac- tion. the middle plate, turn, engage sliding blocks locate itself horizontally. The entire unit held together stud bolts passing through both the rear and middle plate and screwed into the plate. The detailed design such provide free floating ac- | | ai; Se | | 4 ie ; ABOVE speeds 1420 r.p.m. are available the new line Dresés horizontal drilling, boring and milling machines, made floor and table types. tion the vise and the same time maintain accurate alinement plane parallel with the face the die head. The handwheel the flywheel type and free rotate deg. Lugs the flywheel hub engage knocker arm keyed the vise screw and ex- tending out between the hammers. Horizontal Boring Machine Drees Machine Cin- cinnati, has developed new line THE IRON AGE, April 14, 1938—43 : why 9 q { | # » anti-friction drilling, boring and milling machines, consisting floor types station ary, sliding and compound table types. standard spindle head and column can adapted existing floor type runways. This head contains the spin- dle speed change gears, feed change vears, feed distribution functions and 44—-THE IRON AGE, April 14, 1938 BELOW RONT view the new Landis type hydraulic grinder. Work head may swiveled deg. and wide range chucking and eject- ing fixtures may applied. ABOVE Barber-Colman type completely hydraulic hobbing machine, which the March issue. draulic power used not only for movement the hob slide, but also for rais- ing and lowering well clamping the entire work » LEFT IGHT Natco and auxiliary tapping head are arranged about straightline mechanical indexing fixture for step drill- ing oil gallery holes motor The outstanding feature pointed out the maker that single spindle used which there are provided ranges from 700 r.p.m. 16% 1000 r.p.m. may full spindle feed in. may had for all speeds. There are eight feeds available for drilling and boring. Spindle hardened nitralloy, mount- preloaded ball bearings. Drive gears are carburized, finish cut the cross shaving process | ° ° ° j | ° ° ° lapped after Vertical travel the spindle head can se- lected from in., and the col- had any length from minimum in. There are eight milling feeds the head and columns, and mill- ing feeds head, table and saddle the compound table type machine. Stationary tables may mounted bed plate attached the run- way floor type machine. Simple sliding tables can furnished sizes from 30x30 in. 48x48 and except for the smallest size can arranged power feed and rapid traverse, well hand adjustment. Compound tables range size from 38x60 in, in. The table and saddle can auxiliary table floor type machine. 120 in. wide. Special Broaching Machine Colonial Broach Co. livered new type pull-down machine especially designed for broaching the kingpin holes front axles. The axle placed two plates provided with simple locating fixtures, not shown the illustration. The broach insert through the work into automatic puller below the faceplate. The chips drop through into the base the ma- chine where they are removed. The broach puller special self-clean design. broaching machine 5-ton capacity with stroke, hydrauli- ABOVE swung out the way the motor driven, hinged type internal grinding attachment for versal grinding machines. RIGHT Boyar-Schultz No. por- table profile grinder carries grinding wheels in. diameter, rotating 20,000 r.p.m. Weight ABOVE YDRAULIC table drive and cross feed are featured the No. Brown Sharpe plain grinding machine electric-hy- draulic type. cally operated with manual variable speed control. Multi-Driller and Tapper Automatic Machine Richmond, Ind., recently shipped automobile manufacturer new combination tapper which drilling, cham- fering, counterboring, reaming and tapping operations are performed THE IRON AGE, April 14, 1938—45 > SS speeds can varied suit the wheel diameter the Hammond heavy-duty floor stand grinder. and one auxiliary tapping ranged both sides straight line mechanical indexing type fixture ar- ranged hold two cylinder blocks each Each Holeunit equipped with fixed center gear driven spindle box, the eight boxes containing anti-friction mounted spindles and four tapping spindles with individual lead screws. are driven auxiliary reversing motor, mounted the second right- hand Holeunit. The machine tended one opera- tor who controls through single push button station. Once positioned the operator the loading station, the blocks are indexed automatically from one station another and are automatically unloaded the sixth station. Main job the set-up the drilling oil gallery holes from two 46—THE IRON AGE, April 14, 1938 opposite directions five steps. The weighs 60,500 Hydraulic Chucking Grinder supply the need machine that will economically parts that cannot centers, the Landis Tool Waynes- boro, Pa., offering its new 3-in. type RIGHT No. grinder made the Dumore Co., Racine, Wis., has spindle speed 20,000 r.p.m. for grinding and polishing chrome alloys and other stainless metals. collet chuck regularly supplied. Unit fur- nished with safety glass eye shield and work light. LEFT turning the hand- wheel, any spindle speed from 3500 can quickly obtained infinite vari- ations this V-belt driv- Hisey buffing and polishing machine, capacities and furnished either with without motor. order handle variety work, the work head may swiveled deg. and wide range chucking and ejecting features may applied. The hydraulic infeed mechanism said contribute much accuracy and finish virtue its smooth movement. the work chucked expanding collet, the wheel feeds rapidly, then slows down the feed. When the wheel base comes against stop, there short sparking out period bring the work size, after which the wheel rapid- returned. The length this cycle determined electrical timing device, and the slow feeding move- ment regulated oil through the medium auxiliary pis- ton. The point which slow feed- ing stops regulated the feed-up handwheel. The wheel truing device also hy- draulically actuated. Hydraulic power pump conjunction with single stage pump that supplies pres- sure for the infeed mechanism. Driving motors are the constant- speed type. Both the work spindle and the grinding wheel head are driven multiple V-belts. Speed variation the headstock spindle may had means adjustable pitch motor pulley. Where desired wheel Various ejection devices are avail- rings, for example, solenoid actuated fingers eject the piece after the collet released, There are number safety fea- two controls must manipulated start the cycle—one chuck the work, the other the main control lever. After the cycle has been started, pushing the main control lever the right z | ’ 4 if iy HISEY< BEGHINE OC halt very set-up. the work spindle ously. Internal Grinding Attachment internal grinding attachment, permanently fixed the machine cover plate the regular wheelhead unit and hinged for rapid and rate setting up, has been developed for grinding machines. The attachment consists 2-hp. driving motor with belt, fitted bracket, spindle and quill, and table type diamond bracket. outfit husky enough for sub- stantial stock removal, and used for internal external grinding, often without removing the piece from the chuck. Internal capac- ity from in. diameter and in. depth hole. Seven different spindles may had, with speeds from 10,000 18,000 r.p.m. When not use, the pivoted spindle assembly held out the way heavy spring. When the attach- swung down into the work position, single hinged bolt used wheel head casting. Electric-Hydraulic Plain Grinders Somewhat smaller size No. electrically controlled grinders announced last month March 10, 37), are the new Nos. and plain grinding ma- chines being introduced the Brown Sharpe Mfg. Co., Providence. Capacities are 6x18 and 6x30 in. re- spectively. They are compact, power- ful production units designed work close limits. The machines have hydraulic table drive and hydraulically actuated cross-feed, operated sim- ple, grouped hydraulic controls. LEFT similar other Pratt Whitney except size. Work table Spindle travel in. vertically. ° ° ° the headstock and coolant pump auto- matically when turning the cross feed handwheel advance and withdraw the grinding wheel. The cross feed ratchet and pawl mechanism actuated from the hy- draulic system, either reversal the table continuously for plunge- cut grinding. dial the hand- wheel permits adjusting the automatic throwout 0.0001 in. work diameter. Any rate table travel from 360 in. per min. had, and adjustable dwell pro- vided, ranging sec. each reversal. Hand travel pro- sided wheels in. diameter, 144 in. wide. wheel clears work in. diameter. full selec- tion auxiliary equipment avail- able. Portable Profile Grinder high speed; precision profile the 2110 Walnut in. high and weighing with its cast housing, Ib. Spindle re- volves approximately 20,000 r.p.m. and helt driven from ball EED-PRENTICE CORP., Worcester, has developed single-purpose plain turning lathe for shells and other classes ordnance, including rifle turnin and gun barrel turning. Made bed length, the swing over the bridge 10% in. Spindle feeds and speeds are obtained with pick-off gears. Wheel spindle, headstock, hydraulic pump and ccolant pump have individ- ual motor drives. The control system provides simple set-up for wheel truing; headstock “jog” loading and unloading permits stopping the coolant pump for ob- serving the work and, switch, permits starting and stopping hearing motor. Ball bearing trunnion rollers support the spindle, which car- ries grinding wheels from in. and from in. long, volves. The table in. diameter and equipped with elevating adjust- THE IRON AGE, April 14, 1938—47 e ° > let 1p, rk, ter rht cilitating the grinding ances, High Speed Floor Type Grinder Machinery Builders Kalamazoo, Mich., have brought out heavy-duty floor stand grinder fea- turing high speed spindle with quick changes speed ratios that efficient surface speed can main- tained regardless wheel sizes, right ‘lown the wheel flanges. The speed change mechanism interlocked with the wheel guard shutters that over speed the larger size wheels avoided. While designed primarily for high speed wheels, Speed” grinder equally suitable for vitrified wheels. will handle wheels from in. diameter and any motor from hp. Models two, three, four infinite number speed ranges may had. Multiple strand V-belts are employed. Small Size Jig Borer Pratt Whitney, Division Niles Bement-Pond Co., Hartford, has de- veloped new jig borer known the No. principle like the larger P&W No. and No. jig the same tolerances sandths. The open-side construction simplifies holding the work, ennables the operator follow the progress his operations closely and makes pos 48—THE IRON AGE, April 14, 1938 sible the use wide range rotary table applications. variable speed spindle drive through hardened spiral bevel gears. are eight spindle speeds rang ing from 130 1800 r.p.m., the machine equally adaptable for drilling, boring reaming. The pre the Chi- cago Rivet Machine Co., this automatic multiple rivet setter has ad- justable centers for small lot production runs. arms. ABOVE portable power hacksaw gravity feed type driven either gasoline electric motor hp. LEFT THE American Hole built solely with column diameter and with Spindle speeds 3000 r.p.m. are available. cision lapped spindle quill has which permits boring holes this The spindle mounted ball bearings. The table traversing screws have connection with the measuring in- struments, which are never under any | ~~ — “a 43 ° ° ° fHe AMERICAN TOO? oc i 7 fore retain their initial definitely. Planer Has Simplified Controls Improvements incorporated the design Gray “Maximum Service planers both the openside and double housing type simpli fied controls that the machines skilled operators. possible en- the heads either direction Operating levers are located ends the rail and also each head. feed and rapid traverse move ments are independent one head can feeding while the other The same lever that engages the mechanical starts the motor. station used for controlling the raising lowering the rail. For greater convenience, the feed dial and control knob for setting the feed has been moved from the end the front face the rail. The Gray point locator can furnished for the rail heads extra cost. Extended saddles all heads stiffening the harps. Another innovation rail leveling device slightly after has been lowered, clamping. No. 232-D tilt- ing arbor variety saw bench, made the Oliver Machin- ery Co., Grand Ra- pids, has fixed table with motor and arbor mounted cradle give tilt 2-hp. ball bearing motor carries saw eter, with the auto- matic saw having anti-kick- back catch. Machine has three-point bearing the floor. New Size Radial Supplementing its line Super Wizard radial drills, the Works Co. has brought out the “Super Hole Wizard,” larger size solely with column diameter and with and 6-ft. arms. Nine spindle speeds are avail- 3-hp. built-in, ball bearing motor mounted the head. Spindle and sleeve are made hardened nitralloy steel, ground and honed FEED and rapid traverse mechanisms are oil-tight cases the new Gray mum planers. Hand cranks are positively disengaged both when feed and rapid traversing the heads. limits. They are practically impervious wear, and this mits much closer fit between the two, resulting precision mount. The driving sleeve carried Tim- ken precision bearings with provision for take-up. manufacturer claims for the machine not only great speed and economy performing conventional drilling and tapping operations, but adaptability for accurate jig boring and spot facing operations, because the highly stabilized spindle con- struction. Drive the spindle hardened and ground helical gears. drive occurs the bottom the head, close the point work. Four power feeds are provided sliding gear unit, mounted entirely friction bearings. Connection the spindle through friction bands. hand feed unit also provided. Pow- elevation the arm accom- plished motor, controlled reversing drum built into the rear the arm girdle. Portable Power Hacksaw portable hacksaw machine capable cutting round square stock in. diameter and driven either has been developed Machine Co., 872 North Ave nue, Chicago. Outstanding feature the design whereby brings the saw into the work, but the hardness the metal determines how far the teeth will penetrate. There 125 gravity feed pressure the (CONTINUED PAGE 94) THE IRON AGE, April 14, 1938—49 7 =r On Ten Years Steel movement turned out the most im- portant single contribution the human side the depression. later found its governmental expres- sion grand scale the National Industrial Recovery Act. ran directly contrary the former industrial theory wholesale firing soon business began fall off. course was not remedy for anything and was not intended such. simply divided the work the corporation among many peo- ple possible instead among few possible. 1932 and the early months 1933 when the corpora- tion’s business was its lowest point, the share-the-work movement gave income sort about 75,000 more workers than would otherwise have heen Food, Shelter Provided the depression progressed, be- came apparent that the work avail- able share was not enough give living wage those the corpora- employees who were the lower wage brackets. Then the cor- poration resolved that employee the corporation should want for food, shelter and clothing—ard proceeded make good its resolution. The corporation gave its relief un- der three heads: Direct relief the cor- poration. corporation. Reli