Features of CNC rapid prototyping

Features of CNC rapid prototyping


News May 14 2020

CNC prototype processing Material: ABS: transparent, ultra-high temperature, black, imported, domestic and so on. POM (), PMMA (secondary additives), MC (nylon), PC, PP, PA, BT, PVC, etc. Aluminum alloy, copper, etc. Once the workpiece is installed, the digital control system can control the machine tool to automatically select and replace tools according to different work procedures, and automatically change the spindle speed of the machine tool, the amount of feed, and the movement path of the tool relative to the workpiece and other auxiliary functions. The entire process is automatically controlled by the program and is not affected by human factors of the operator.
The following issues should be noted during CNC machining:

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(1) In order to give full play to the efficiency of the CNC machining center, the machining process can be arranged by determining the machining content of the CNC machining center, the installation bottom surface of the workpiece, and the machining allowance.

(2) For complex parts, due to thermal deformation during processing, internal stress after quenching, deformation of parts after clamping, etc., it is difficult to complete the entire process, so it is difficult to complete all work processes after one-time clamping. At this point, you can consider two or more clamps.
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(3) The processing process should be arranged according to the principle of thickness. First, perform heavy cutting, rough machining, remove the machining allowance on the blank, and then arrange the content with low machining accuracy.

(4) In order to reduce the influence of a large amount of heat on the machining accuracy and improve the tool life, a large flow cooling method should be actively adopted to use a large flow cooling method to reduce the influence of a large amount of heat on the machining accuracy.

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