Stainless steel drawing

Stainless steel material processing difficulties mainly have the following aspects:

1. Large cutting force and high cutting temperature

This type of material strength, cutting tangential stress, plastic deformation, so the cutting force is large. In addition, the poor thermal conductivity of the material causes the cutting temperature to rise, and the high temperature is often concentrated in the long and narrow area near the cutting edge of the tool, thus speeding up the tool wear.

2. Serious work hardening

Austenitic stainless steel and some high temperature alloy stainless steel are austenitic structure, cutting hardening tendency is large, usually several times of ordinary carbon steel, cutting tools in the hardening area, shorten the tool life.

3. Easy to stick the knife

Both austenitic stainless steel and martensitic stainless steel have the characteristics of strong chip and high cutting temperature during processing. When the strong chip flows through the front cutter surface, it will produce adhesion, fusion welding and other phenomena, affecting the surface roughness of machined parts.

4. Tool wear is accelerated

The materials generally contain high melting point elements, plastic, high cutting temperature, speed up tool wear, tool grinding, tool change frequently, thus affecting the production efficiency, improve the tool cost.

The main is to reduce the cutting line speed, feed. The use of special processing stainless steel or high - temperature alloy cutting tools, drilling and tapping the best cold

Stainless steel parts processing technology

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