The Orco-Vat Major Degreasing and Cleaning Plant (Fig. 3) The Oreo-Vat Major is very compact, consisting of a steel vat 4 ft. 2 in. long by 2 ft. wide by 2 ft. deep, mounted on short legs to bring it up to a convenient A Selection of Notes on Recent Equipment and working height. The vat is subdivided into three com partments, and the method of operation is as follows: New and Well-tried Methods and Materials Workpieces received from the machine shop covered with oil or suds and particles of sward are placed in a wire basket and lowered into the first compartment, which contains the Orpi degreasing solvent, for a A New Hydraulic Mobile Working Platform (Fig. 1) period varying from a few seconds to a few minutes, The 'Beanstalk', announced by the Mechanical according to the degree of soil to be removed, and the Developments Division of William Moss & Sons, Ltd., basket is then raised from the solvent and allowed to is a one-man operated working platform with a drain. Immersion in cold water in the second com maximum height of 17 ft. This height allows the partment washes off most of the remaining solvent and operator to work at positions of 22 ft. to 23 ft. from a final dipping in hot water in the third compartment the ground. An extremely mobile equipment, it can completes the washing and imparts sufficient heat to even be pushed through an ordinary door and easily the metal to dry off any surplus moisture. manoeuvred in confined passages and gangways. Advantages of this method are that: (a) although Recessed windows 9 in. back from the face of a wall the workpieces are thoroughly cleaned, a slight pro can be reached comfortably while the base still pro tective film of the Orpi solvent remains even after the vides ample stability. The requirements of the Factory hot-water wash, serving as an efficient rust-deterrent; Acts have been carefully considered in the design of (b) no sawdust is necessary in the drying-off process, this new equipment. The secret of this tool's perform a considerable advantage when handling such things ance lies in the novel use of a triple hydraulic ram and as cap-nuts or any parts having blind holes, tapped a tubular framework of sturdy construction which holes or threads where sawdust would clog; (c) no 'scissors' to permit manoeuvring through confined strong caustic or acid solutions are used which might spaces. The actual platform is 2 ft. 3 in. square and is harm the skin or damage the clothes of the operator, provided with toe boards and handrails which fold nor is there any danger from noxious vapour or fumes. down for transit and movement under arches 6 ft. 6 in. In the first compartment, the Orpi solvent is main high. A manual hydraulic pump actuated by the tained at a working temperature of approximately operator while standing on the platform gives full 45 deg. C. by a thermostatically controlled immersion elevation in two minutes; descent is effected in 45 heater. Cold water is supplied to the second compart seconds. Rubber-tyred castors provide mobility from ment direct from the mains through a specially de point to point and when in operation four screw jacks signed nozzle which creates a continuous turbulence give a firm foundation even on a sloping floor. must: be ground to a more acute angle to ensure a to assist the rinsing process. clean cut being made. When cutting stainless steel, Full particulars may be obtained from William Moss A thermostatically controlled heater is also used to it is positively recommended that high-speed steel & Sons Ltd., Mechanical Developments Division, maintain the hot water at a working temperature of North Circular Road, Cricklewood, London, N.W.2. blades are used in place of the normal blades fitted. 90 deg. C. This compartment is fitted with a hinged The cutting beam guides are of gunmetal and are lid and both lid and walls of the compartment are adjustable for taking up wear. Adjustable back, front heavily lagged to conserve heat. and side gauges, easily set for repetition work, are Further particulars can be had on application to the fitted, and add very considerably to the economy makers, the Orcene Co Ltd., of Warwick. effected by these machines in keeping scrap metal down to an absolute minimum. The treadle is designed to prevent twisting if pres sure is not applied centrally, and it is provided with a TRADE PUBLICATIONS RECEIVED floor stop to prevent possible injury to the operator's foot. A hold-down which comes into operation auto Besco Inclinable Power Press Model M18 matically when the treadle is depressed, is fitted to [F. J. Edwards Ltd., 359/361 Euston Road, N.W.1] clamp the sheet while it is being cut. It also provides Ekco Fluorescent Lighting Equipment an adequate guard to the shear blades. The top of the [Ekco-Ensign Electric Ltd., Southend-on-Sea, cutting beam is completely covered, affording com Essex] plete protection to the operator or assistant. Glopane Cold Galvanizing Anti-Corrosion Coating [Clear Glass Products Ltd., 16-18 Malvern Road, Smooth, well-balanced action and clear visibility Southampton] through the perspex covered openings of the hold- Electrical Actuation down during the cutting process, ensures efficient operation. [The Plessey Co. Ltd., Ilford, Essex] Dunlop Flexible Pipes An additional aid for assisting the operator during [Dunlop Rubber Co. Ltd., St James's House, St the process of setting the gauges has been developed James's Street, S.W.1] for this model in the form of concealed illumination, Escaloy New Standard Tools mounted directly over the cutting line. It is fitted with an individual switch, for A.C. supply. This can be [English Steel Corporation Ltd., Openshaw, supplied at extra cost, upon request. Manchester] Nave You a Trumpet Handy? 1899-1949 Full particulars are available from F. J. Edwards [Accles & Pollock Ltd., Oldbury, Birmingham] Ltd., 359-361 Euston Road, London, N.W.1. Production Treadle Guillotines (Fig. 2) The new Besco guillotines are of steel plate con struction throughout, combining strength with rigidity. They are suitable for accurately cutting a wide range of metals including mild and stainless steel, copper, brass, aluminium, duralumin, etc. The rated capacity is 36 in. and 48 in. wide by 16 s.w.g. mild steel—the other materials in proportion. For the heaviest cut, only one operator is required. In addi tion, they can be used for cutting rubber, fibre, mica and cardboard. For this latter purpose, the top blade May 1950 153
Aircraft Engineering and Aerospace Technology – Emerald Publishing
Published: May 1, 1950
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