The reader wrote: "The approximate design of the linear cam groove by the template curve" was published in the 8th issue of 1989, and the author is now invited to introduce the simple mastering tool for processing the flat cam. The flat-plate cam is usually processed by special machine tools or special equipment. The following describes the processing of the flat-plate cam by the combination of the milling table rotary table and a sliding pair and the template. This method is simple and easy, and the practice proves that the processing quality is reliable and the production efficiency is high. .
The characteristics of rope core drill pipe are "three highs and one low", that is, high drilling speed, long life of diamond bit, high time utilization rate, low labor intensity of workers, so it is widely used in geological prospecting, coal field exploration and other fields. Among the whole set of drilling tools, the most important and most valuable is the drill pipe. The quality of the drill pipe is directly related to the use of the advantages of rope core drilling, and is also vital to the accurate acquisition of geological data and the control of drilling costs.
Drill Rod,Tube For Drilling,Drill Pipe,Drill Extension Rod
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