免费久久99精品国产自在现|久久夜色高清国产精品一区|性无码一区二区三区视频|自慰无码一区二区三区

CNC lathe manufacturers talk about programming skills of CNC lathe
The processing sequence of the parts: first drilling the flat end (this is to prevent shrinkage when drilling); first roughing the car, then finishing the car (this is to ensure the accuracy of the parts); the first machining tolerance with large machining tolerance is small (this is Ensure that small tolerance surfaces are not scratched and prevent parts from deforming).
According to the hardness of the material, choose a reasonable speed, feed rate and depth of cut, I personally summarize as follows:
1. Carbon steel material chooses high speed, high feed rate and large depth of cut. Such as: 1Gr11, select S1600, F0.2, depth of cut 2mm;
2, hard alloy selection of low speed, low feed rate, small depth of cut. Such as: GH4033, choose S800, F0.08, cutting depth 0.5mm;
3. Titanium alloy selects low speed, high feed rate and small depth of cut. Such as: Ti6, choose S400, F0.2, depth of cut 0.3mm.