How to choose cnc processing tools reasonably

Reasonably choose cnc processing tools

　　 1. When rough turning, high-strength and durable tools should be used to meet the requirements of large back draught and large feed during rough turning.

　　2. High-precision and durable tools should be selected for finishing to ensure the requirements of machining accuracy.

　　 3. In order to reduce the tool change time and facilitate tool setting, the machine tool clamp and machine tool clamp should be used as much as possible.

　　 Reasonable choice of cnc machining fixture

　　 One, try to use general fixtures to clamp the workpiece, avoid using special fixtures;

　　2. The positioning datums of the parts coincide to reduce the positioning error.

　　 Determine the processing route

cnc processing

　　The processing route refers to the path and direction of the tool relative to the part during the processing of precision CNC lathes and CNC lathes.

　　1, the machining accuracy and surface roughness requirements should be guaranteed;

　　2. The processing route should be as short as possible to reduce the idle time of the tool.

　　Processing route and machining allowance

　　In the case that CNC lathes are not widely used, it is usually necessary to arrange too much margin on the blank, especially the margin for forging and casting hard skin layers on ordinary lathes. If you want to use a CNC lathe for processing, you must pay attention to the flexible arrangement of the program.

　　 Fixture installation points

　　 At present, the connection between the hydraulic chuck and the hydraulic clamping cylinder is realized through a tie rod. The main points of hydraulic chuck clamping are: first remove the nut on the hydraulic cylinder by hand, remove the pipe, pull it out from the back of the spindle, then remove the fixing screw of the chuck by hand, and then remove the chuck.