TRADE PUBLICATIONS RECEIVED de Havilland Ghost Engine: Preliminary Statement [The de Havilland Engine Co. Ltd., Edgware, Middlesex] A Monthly Selection of Recent Duritas Carbide Dies Magnet Steels and High Performance Magnet Alloys Equipment and New Methods [William Jcssop & Sons Ltd., Brightside Works, Sheffield, 1] C.V.A. No. 20 Single Spindle Automatic 7½ min.; while similar pieces of H.T . steel take 2½ C.V.A. Universal Gear Hobbing Machine and 23 mins. respectively at low speed. The 'Pacera' Drill [E. H. Jones (Machine Tools) Ltd., The Hyde, New Marico Fixtures N.W.9] Details have recently been released of the two The M.S.E. Optical Drill Chuck new fixtures produced by W. H . Marley and Co. , [Machine Shop Equipment Ltd., 136 Victoria Street, S.W.I] Ltd., 105 Hig h Road, London, N.11, which are The Hilshear shown in FIG'S. 3 and 4. [Hills Patents Ltd., Chenics Mews, Pancras Street, The indexing attachment is a small, simple W.C.1] and robust fitting which has been specially de Model OH Semi- Universal Grinding Machines signed for easy operation by unskilled labour. Centreless Grinding Machines The form of the indexing gear and the locking Roll Grinding Machines lever is such that the operation is rapid , while the [The Churchill Machine Tool Co. Ltd., Broadheath, shape of the notches and plunger allows the wear Manchester] to be taken up automatically. Work is held in a 'Report' Vol. I, No. 1, January 1947 collet chuck which will take Marlco spring [Cincinnati Milling Machines Ltd., Woodlands collets from ⅛ in. t o ¾ in . dia. and a hole through Farm Road, Tyburn, Birmingham] the base allows clearance for bars up to ¾ in. The Chatwood Automatic Hob and Helical Spheric dia. In place of the collet-chuck head the 5½ in . Grinding Machine dia. nickel-iron table, shown in the photograph, The Chatwood Safe and Engineering Co. Ltd., Shrewsbury] F. R. Materials Testing Laboratory High-Speed Ground Refuelling Tank Filling Valves [Flight Refuelling Ltd., Littlehampton] British Industrial and Engineering Installations [Mitchell Engineering Group, 1 Bedford Square, W.C.1. Price 25s.] Société Rateatt: Ses Fabrications Bulletin Technique de Rateau. Nos. 165, 1943—166, An Eight-Speed Drill and a High-Speed Hacksaw 1944—167, 1945—168—1946 Kerry's (Great Britain) Ltd., of Warton Road, [La Société Rateau, 141 Rue Rateau, La Courneuvc London, E.15, recently announced the new drill (Seine), France] ing machine shown in FIG. 1. Th e drill has eight The Sigma Mechanical Hand Comparator speeds (86 to 3,360 r.p.m.) and this gives it a very The Sigma Vertical Mechanical Comparator wide range of usefulness so that, for example, it The Sigma 3000:1 Magnification Vertical Comparator can be used for accurat e tapping o r reaming . Th e [E. H. Jones (Machine Tools) Ltd, The Hyde, maximum chuck capacity is ⅝ in. and the 11 in. N.W.9] diameter table can be tilted to 90 deg. left or Machining Mond Nickle and Inconel right as well as swung through 360 deg. Th e ½ h.p . [Henry Wiggin & Co. Ltd., Grosvenor House, motor is normally for a 400/440 volt, 50-cycle, Park Lane, W.1] 3-phase supply, but an y other type of motor can Wilco Wiggin Thermometal be fitted. The whole machine is very soundly and [Henry Wiggin & Co. Ltd., Wiggin St., Birmingham robustly designed and made. 16] Another new too l by th e same company is the Prolite Steady Bushes for Swiss Type Automatics high-speed hacksaw shown in FIG. 2. This [Protolite Ltd., Central House, Upper Woburn machine has been designed to avoid chatter and Place, London, W.C.I] preserve th e blad e as long as possible; th e stroke Gloster Meteor is 4¾ in. max. and 3½ in . min . with a 12 in. blade. Gloster Meteor Trainer Th e latter is lifted hydraulically on the back [Gloster Aircraft Co. Ltd., Hucclecote, Glos] stroke to relieve the teeth. The 1 h.p. motor Churchill Universal Grinding Machines drives the crankshaft at 120/185 r.p.m. by means Model NB Hydraulic Horizontal Surface Grinding of vee belts and pulleys. Some idea of cutting Machines times can be obtained from the following: 1 in. Model BY Hydraulic Plain Grinding Machines dia. m. s. ba r take s 1 min. at high speed, 4 in. dia. Model AY Hydraulic Plain Grinding Machines [The Churchill Machine Tool Co. Ltd., Broad hcath, Manchester] The Foster Telescale Illuminated Indicator. Leaf let 85 The Post-War 'Flexipush' Automatic Temperature can be used. The standard index plate allows 2, Controller. Leaflet No. 86 3, 4, 6 o r 12 divisions, but special plates for any [Foster Instrument Co. Ltd., Letchworth, Herts] number of divisions up to 20 can be supplied. General particulars are: size of base 7¼ in. x United Aircraft Corporation's Pictorial Report on 7 in.; height, with chuck 3⅜ in., with table 3⅝ in; Research and Development net weight, without collets 17¼ lb. [United Aircraft Corporation, East Hartford, Th e internal threading tool shown in FIG. 4 is Connecticut, U.S.A.] designed for any diameter of thread, but with a Precision Vol. 4, No. 2, April, 1947 maximum pitch of 8 t.p.i. Th e tool can be fitted [Automotive Products Co. Ltd., Tachbrook Road, to any lath e and th e maker s claim that it is par Leamington Spa] ticularly free from tool breakage, since all the A British Refinery in Wartime working parts have been produced in case- [Manchester Oil Refinery Ltd., 10 Dover Street, hardened material ground to precision limits. A W.l] 'witness scale', with a disengagement line, allows 'Prolite' Hard Metal Tips and Tipper Tools, etc. the progress of the work to be watched con [Protolite Ltd., Central House, Upper Woburn veniently. A general idea of the fixture can be Place, W.C.I] gained from the photograph and the following Non-Ferrous Alloys particulars: size of body 2½ in . x 2½ in. 1¾ in. Some Notes on the Melting and Pouring of White high; max. tool bit size ⅜ in. square; bolt hole Metals size ⅝ in . dia.; nett weight 3 lb. [The Eyre Smelting Co. Ltd., Tandem Works, Burton Abbey, S.W.19] 208 Aircraft Engineering Hymatic in War and Peace [Hymatic Engineering Co. Ltd., Redditeh, Worcs]
Aircraft Engineering and Aerospace Technology – Emerald Publishing
Published: Jun 1, 1947
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