As is known, since the worm wheel hob is a special tool, when a small number of worm gears are manufactured, it is often uneconomical to use a worm wheel hob, and the production cycle is also long, and in this case, a worm wheel cutter can be used for processing. When machining a worm gear with a flying knife, it is best to carry it on a hobbing machine with a tangential tool holder, and it is required to have a tooth movement and a forming motion during the machining process. In addition, only when the number of teeth of the worm wheel and the number of heads of the worm have no common factor, all the slots of the worm wheel can be cut out in one process with one cutter head. If there is a common factor, it cannot be processed once with a flying knife. In the middle, all the slots of the worm wheel are cut, and the slots on the worm wheel are machined at intervals, and then the other slots are processed by the teeth. The so-called tooth-toothing is to hang the teeth of the hobbing machine after the flying knife has processed a set of tooth slots.
The square nut is one of the welding nuts. The welding method is believed to be known to all. It is to use high temperature to melt some metal and weld it between the two products to play a fastening role. The fastening effect of this connection will be very good and will not be easy to loosen. It can also be used with bolts. Square nuts are mainly used in electric power engineering, road traffic, home building materials and other industries.
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