Several Fundamental Principles of CNC Lathe Processing Technology.aluminum alloy parts factory

  Rapid Production Cnc Machining Aluminum Parts Cnc Milled Aluminum Parts Metal Processing For Medical(图2)

  The entire processing of the CNC lathe is completed by performing the processing procedure of the workpiece. Therefore, the quality of the processing program directly affects the processing accuracy and processing power of the workpiece after all. The condition of the programming of the workpiece processing is the recognition of the process arrangement. This article briefly introduces the process principles that CNC lathes should follow in high-efficiency CNC machining, and I hope it will help us a little bit. We know that the CNC lathe is a highly complex processing equipment. Before the workpiece processing program is compiled, the processing technology must be recognized according to the planning requirements and processing content of its drawings. Generally speaking, the recognition principle of processing technology should follow the following basic principles:

  1. Machining principle of first roughing and finishing. Under normal circumstances, in order to ensure the final machining quality of the workpiece, we divide the workpiece processing into two stages of roughing and finishing. For workpieces with higher machining accuracy, a semi-finishing stage is also added. . This principle should also be followed when CNC machining is performed on a CNC lathe. The CNC lathe can quickly remove most of the machining allowance during rough machining of the workpiece, reduce the number of passes as much as possible, and shorten the roughing time; during the finishing process, the accuracy and appearance quality of the workpiece must be guaranteed. The generalization should be finished by continuous finishing with one cut after all.

  2. The principle of one-time clamping and positioning It is the fundamental processing feature of CNC lathes to complete multi-process processing of workpieces in one clamping. Therefore, when acknowledging the processing technology of the workpiece, the processing procedures should be gathered to the maximum limit. Reduce the number of clamping as much as possible to reduce unnecessary positioning errors and repeat the clamping process.

  3. The principle of inner first and outer surface processing. When the workpiece to be processed has both inner and outer surfaces that need to be processed, when arranging the processing sequence, the inner and outer surfaces of the workpiece should be processed first and then the outer surface. If the processing is carried out in stages, Rough machining of the inner and outer surfaces should also be carried out first, and then the inner and outer surfaces should be finished.

  Fourth, the machining principle of face first, hole second As we said before, the CNC lathe is a composite machining machine, which can not only perform turning but also boring. Regarding the workpiece to be machined with both planes and holes, the boring sequence should be carried out ahead of the lathe plane. Due to the large cutting force during the lathe plane, the workpiece is prone to deformation, so the workpiece will be turned first and then boring, so that it will recover for a period of time. , And then boring the hole after it recovers its deformation, which is beneficial to ensure the machining accuracy of the hole.

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