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Tools for the Workshop

Tools for the Workshop down. Mild steel round bars of a diameter of 1½in., flat bars up to 5½ in. x 5/16 in., and square or hexa­ gon rods up to 1in . diameter, can be efficiently and rapidly cropped to any desired length. A number of smaller size rods within the capacity of the machine, may be cut in one operation. Vibration A Selection of Notes on Recent Equipment and is kept at a minimum by the balanced fly-wheel, the main shaft of which runs in ball- and roller- New and Well-tried Methods and Materials bearings, and friction is combated in other parts of the machine by phosphor-bronze bearings of generous dimensions and the adjustable bronze wearing linings in which the cropping ram moves. The clutch is of the multi-tooth dog type, manipu­ Some Acru Accessories New Bcsco Tools lated by cam action for releasing and by coil com­ pression springs to engage when the foot treadle Newly designed and of rugged construction, the The Acru Electric Tool Manufacturing Co. Ltd. at the base of the machine is depressed. Gauges are range of Bcsco Production Plate Bending Rolls, produces numerous tweets that are rather out of fitted for setting bars and rods for cutting to a given type 'M', is made in three sizes, capable of produc­ the ordinary. Recently we had the opportunity of length, and these are positioned so as to clear falling ing curved or tubular units from 10 in. inside dia­ trying some of their new devices. lengths after shearing, and a roller is fitted to the meter, in lengths of 4 ft., 6 ft. and 8 ft. by one- Every engineer has been infuriated at one time cropping gap to facilitate the forward movement of quarter inch mild steel plate. The rolls arc of carbon or another by the inaccessible nut that no spanner heavy bars or bundles of rods up to the gauge face. steel, running in heavy-duty phosphor-bronze bear­ will reach. The new Finger Tools, Fig. 1, have been Driven by vee-belts from a 4 h.p. motor at 3,000 ings, the surface speed being approximately 23 ft./ designed for just these contingencies. They consist r.p.m. compactly mounted on an adjustable stand min. The top roll is adjusted for pressure directly, of a 0, 2, 4 or 6 B.A. box spanner mounted on a to allow of alteration of the tension, the machine by square-threaded jack screws, turned by T- steel thimble. Ample purchase can be obtained for is a self-contained unit, generally supplied on a low handles, it is supported at the rear, or geared, end holding nuts of these sizes and one would imagine truck for portable use, merely requiring a con­ to permit easy removal of completed work through that the scope of the series could be usefully ex­ venient power point to be ready for immediate use. the opening at the front end, when the swivel bear­ tended to cover ¼ in. and 5/16 in. sizes at least. In the Full details of these machines may be had on ap­ ing is swung clear. The two bottom rolls arc driven same style there arc tweezers and small screw­ plication to F. J. Edwards Ltd., Euston Road, by three heavy pinions, through a flexible tube and drivers, equally handy tools but requiring rather London, N.W.I. coupling—a 7½ h.p. motor for the 8 ft., 5 h.p . for more practice before proficiency is attained. the 6 ft. and 5 h.p. for the 4 ft. sizes. All gears run in an oil-bath and the gear spindles run either on Tungsten Carbide Rotary Cutters ball-bearings, or arc continuously lubricated by a chain feed from the gear-box sump, according to The Atlas Diesel Company Limited have produced their speed of revolution. The motors arc of the a range of lightweight compressed-air rotary tools for slip-ring type, controlled by drum reversing use with rotary files or cutters made from tungsten switches, and develop 960 r.p.m. carbide. These bits, which arc reminiscent of the dentist's drill, arc used for finishing dies, removing The Besco Production Guillotine Shearing Mach­ burrs from castings and various hand finishing opera­ ine, Type 96-10, with a capacity of 69 in. by 1 in for tions. It is claimed that considerable saving in the cost mild steel is a new machine. Constructed of heavy of these processes is made by the use of such tools. cast steel ribbed sections, rigidly bolted and braced They can be used on steels of hardness up to 65 Rock­ to eliminate deflexion, the machine is of the under- well (C scale), and it is claimed that they are usually crank, open end type, geared, and driven through superior to emery pencils owing to their small wear a finely-balanced fiy-wheel, by multi-vee belts from Of less direct application in the engineering field and maintained bit contour. a self-contained 8 h.p. motor at 1,500 r.p.m., giving is the Acru Wood-Engraver. This is, in effect, a The rotary tools have been designed to suit bits of 65 strokes per minute. The fly-wheel and all gear­ small electric soldering iron with interchangeable this kind and to make the most eflicicnt use of them, ing has good ground clearance and no pits are bits. Jt was originally designed for pokerwork, but particular attention having been given, for instance, necessary. The blades are of heavy alloy steel 5/8 in. it has many applications in the workshop for mark­ to the accurate centring of the cutter shank in the thick, hardened and finely ground with four cutting ing tool handles and other wood parts, for foil em- collet chuck. edges, and adjustable back and front gauges are bossing components, etc., with identification num­ The illustration (FIG. 5) shows one of these tools in fitted, giving ranges of 24 in. and 36 in. respectively, bers in different colours, and for the scaling of cel­ use on a die. side squaring gauges are also provided. The hold- lophane containers. The tool is neatly made from Further details of these tools and cutters may be down operates automatically as the treadle is de­ simple elements and has a heat-insulating cork had from Messrs Atlas Diesel Company Limited, pressed and is designed to give a clear view of the handle. Full instructions are supplied with it and it Beresford Avenue, Wembley, Middlesex. cutting line, while at the same time acting as a is contained in a neat leather case. finger guard. All gears and the vec-rope drive are A set of the four B.A. finger spanners costs 7s. 6d., completely guarded and the back of the machine the wood-engraver 28a. 6d., with spare bits, pad of is enclosed by a steel chute, which, if required, will embossing foils and leather case. Other prices and deliver cut lengths on to a truck. full details can be had on application to the makers. With the blades ground to a special angle, plastic The Acru Electric Tool Manufacturing Co. Ltd., sheet, mica, cardboard, asbestos, rubber and similar 123 Hyde Road, Ardwick, Manchester 12. material can be cut cleanly and accurately. The Besco Production Bar Cropping Machine, Model B.S. 50 F. is a powerfully built machine with the main frame fabricated of thick welded steel plate, having an angle flange and plate for bolting March 1952 87 http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Aircraft Engineering and Aerospace Technology Emerald Publishing

Tools for the Workshop

Aircraft Engineering and Aerospace Technology , Volume 24 (3): 1 – Mar 1, 1952

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Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0002-2667
DOI
10.1108/eb032143
Publisher site
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Abstract

down. Mild steel round bars of a diameter of 1½in., flat bars up to 5½ in. x 5/16 in., and square or hexa­ gon rods up to 1in . diameter, can be efficiently and rapidly cropped to any desired length. A number of smaller size rods within the capacity of the machine, may be cut in one operation. Vibration A Selection of Notes on Recent Equipment and is kept at a minimum by the balanced fly-wheel, the main shaft of which runs in ball- and roller- New and Well-tried Methods and Materials bearings, and friction is combated in other parts of the machine by phosphor-bronze bearings of generous dimensions and the adjustable bronze wearing linings in which the cropping ram moves. The clutch is of the multi-tooth dog type, manipu­ Some Acru Accessories New Bcsco Tools lated by cam action for releasing and by coil com­ pression springs to engage when the foot treadle Newly designed and of rugged construction, the The Acru Electric Tool Manufacturing Co. Ltd. at the base of the machine is depressed. Gauges are range of Bcsco Production Plate Bending Rolls, produces numerous tweets that are rather out of fitted for setting bars and rods for cutting to a given type 'M', is made in three sizes, capable of produc­ the ordinary. Recently we had the opportunity of length, and these are positioned so as to clear falling ing curved or tubular units from 10 in. inside dia­ trying some of their new devices. lengths after shearing, and a roller is fitted to the meter, in lengths of 4 ft., 6 ft. and 8 ft. by one- Every engineer has been infuriated at one time cropping gap to facilitate the forward movement of quarter inch mild steel plate. The rolls arc of carbon or another by the inaccessible nut that no spanner heavy bars or bundles of rods up to the gauge face. steel, running in heavy-duty phosphor-bronze bear­ will reach. The new Finger Tools, Fig. 1, have been Driven by vee-belts from a 4 h.p. motor at 3,000 ings, the surface speed being approximately 23 ft./ designed for just these contingencies. They consist r.p.m. compactly mounted on an adjustable stand min. The top roll is adjusted for pressure directly, of a 0, 2, 4 or 6 B.A. box spanner mounted on a to allow of alteration of the tension, the machine by square-threaded jack screws, turned by T- steel thimble. Ample purchase can be obtained for is a self-contained unit, generally supplied on a low handles, it is supported at the rear, or geared, end holding nuts of these sizes and one would imagine truck for portable use, merely requiring a con­ to permit easy removal of completed work through that the scope of the series could be usefully ex­ venient power point to be ready for immediate use. the opening at the front end, when the swivel bear­ tended to cover ¼ in. and 5/16 in. sizes at least. In the Full details of these machines may be had on ap­ ing is swung clear. The two bottom rolls arc driven same style there arc tweezers and small screw­ plication to F. J. Edwards Ltd., Euston Road, by three heavy pinions, through a flexible tube and drivers, equally handy tools but requiring rather London, N.W.I. coupling—a 7½ h.p. motor for the 8 ft., 5 h.p . for more practice before proficiency is attained. the 6 ft. and 5 h.p. for the 4 ft. sizes. All gears run in an oil-bath and the gear spindles run either on Tungsten Carbide Rotary Cutters ball-bearings, or arc continuously lubricated by a chain feed from the gear-box sump, according to The Atlas Diesel Company Limited have produced their speed of revolution. The motors arc of the a range of lightweight compressed-air rotary tools for slip-ring type, controlled by drum reversing use with rotary files or cutters made from tungsten switches, and develop 960 r.p.m. carbide. These bits, which arc reminiscent of the dentist's drill, arc used for finishing dies, removing The Besco Production Guillotine Shearing Mach­ burrs from castings and various hand finishing opera­ ine, Type 96-10, with a capacity of 69 in. by 1 in for tions. It is claimed that considerable saving in the cost mild steel is a new machine. Constructed of heavy of these processes is made by the use of such tools. cast steel ribbed sections, rigidly bolted and braced They can be used on steels of hardness up to 65 Rock­ to eliminate deflexion, the machine is of the under- well (C scale), and it is claimed that they are usually crank, open end type, geared, and driven through superior to emery pencils owing to their small wear a finely-balanced fiy-wheel, by multi-vee belts from Of less direct application in the engineering field and maintained bit contour. a self-contained 8 h.p. motor at 1,500 r.p.m., giving is the Acru Wood-Engraver. This is, in effect, a The rotary tools have been designed to suit bits of 65 strokes per minute. The fly-wheel and all gear­ small electric soldering iron with interchangeable this kind and to make the most eflicicnt use of them, ing has good ground clearance and no pits are bits. Jt was originally designed for pokerwork, but particular attention having been given, for instance, necessary. The blades are of heavy alloy steel 5/8 in. it has many applications in the workshop for mark­ to the accurate centring of the cutter shank in the thick, hardened and finely ground with four cutting ing tool handles and other wood parts, for foil em- collet chuck. edges, and adjustable back and front gauges are bossing components, etc., with identification num­ The illustration (FIG. 5) shows one of these tools in fitted, giving ranges of 24 in. and 36 in. respectively, bers in different colours, and for the scaling of cel­ use on a die. side squaring gauges are also provided. The hold- lophane containers. The tool is neatly made from Further details of these tools and cutters may be down operates automatically as the treadle is de­ simple elements and has a heat-insulating cork had from Messrs Atlas Diesel Company Limited, pressed and is designed to give a clear view of the handle. Full instructions are supplied with it and it Beresford Avenue, Wembley, Middlesex. cutting line, while at the same time acting as a is contained in a neat leather case. finger guard. All gears and the vec-rope drive are A set of the four B.A. finger spanners costs 7s. 6d., completely guarded and the back of the machine the wood-engraver 28a. 6d., with spare bits, pad of is enclosed by a steel chute, which, if required, will embossing foils and leather case. Other prices and deliver cut lengths on to a truck. full details can be had on application to the makers. With the blades ground to a special angle, plastic The Acru Electric Tool Manufacturing Co. Ltd., sheet, mica, cardboard, asbestos, rubber and similar 123 Hyde Road, Ardwick, Manchester 12. material can be cut cleanly and accurately. The Besco Production Bar Cropping Machine, Model B.S. 50 F. is a powerfully built machine with the main frame fabricated of thick welded steel plate, having an angle flange and plate for bolting March 1952 87

Journal

Aircraft Engineering and Aerospace TechnologyEmerald Publishing

Published: Mar 1, 1952

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