ENSURING ACCURACY IN MOVING PARTS.
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Two New Appliances for the Engine Manufacturer and Repairer Shown at the British Industries Fair.
MHE section of the British Indus tries Fair which is held at Castle Bromwich, Birmingham, opened last week and remains open until March 4th. This exhibition, as its name implies, deals entirely with goods of British manufacture, and is devoted to machinery and hardware, whilst the London section, which is taking place simultaneously at Shepherd's Bush, W., is devoted th lighter articles.
Although the Birmingham show is of great interest to all concerned in engineering, we In Xe not able, on our visit before its opening, to find many items that could be said to be directly of interest to the motor industry.
Eleetriears, Ltd., are showing a new 20-cwt. low-loading tipping lorry, which we will describe in our next issue. A useful self-feeding hand-operated drilling tool, shown by L. W. Young and Co., Ltd., is well worth inspecting. A new method of making cylinder liners is of importance to the maintenance engineer.
Among the testing machines shown by W. and T. Avery, Ltd., is an interesting machine of British make and invention for the balancing of motor crankshafts, designed by Mr. C. M. Linley, and known as the Avery-Linley dynamic, balancing machine. The object of this machine is to reproduce as nearly as possible the actual running conditions of a crankshaft, to detect, whilst running at engine speed, any unbalance that may exist, and to locate and measure the amount of such unbalance so that, by removing metal from the exact spot where weight is in excess, the crankshaft can be brought into perfect dynamic balance.
Another interesting item is the Avery connecting-rod balancing machine shown on the same stand. This machine not only gives the actual weight of a connecting rod, but indicates the weight at each end separately, two scales being emnkyed for this purpose and used simultaneously.
The PIN. infinitely variable gear is to be seen at the Fair, but, although very interesting, we are told that it has not yet been applied to a motor vehicle of any kind ; we may expect to hear of such application in the near future.