FAQ：
Q: What is stainless Steel?
A: Stainless steel refers to steel that is
resistant to weak corrosive media such as air, steam, water, and chemically
aggressive media such as acids, alkalis, and salts. It is also known as
stainless acid-resistant steel. In practical applications, steel that is
resistant to corrosion by weak corrosion media is often called stainless steel,
and steel that is resistant to corrosion by chemical media is called acid-resistant
steel.
Q: Can you CNC Stainless Steel?
A: The
stainless steels processed by most factories are mainly 201 stainless steel,
304 stainless steel and 316 stainless steel. The 201 and 304 materials are easy
to process with ordinary carbide coated milling cutters. The 316 material, or
stainless steel contains many impurities and high hardness, you need to choose
stainless steel special tools.
The properties to process stainless steel.
(1) Large cutting force.
Compared with other hard-to-cut materials,
the strength and hardness of stainless steel are not high. But stainless steel
has good plasticity and toughness during processing, high temperature, high
strength, and severe work hardening.
(2) High cutting temperature.
(3) Easy to stick the knife and generate
built-up edge.
(4) Chip breaking is difficult (cutting is
not easy to curl and break).
(5) The tool is easy to wear.
(6) Large linear expansion coefficient.
Q: Can stainless steel be machined？
A: 1. For
processing high-hardness stainless steel, it is best not to use high-speed
steel end mills;
2. If the hardness of the steel is high,
choose a lower milling amount;
3. Choose a lower milling speed when the
amount of side knife is large;
4. Using coated carbide tools, the milling
speed can be increased by about 50%;
5. When cutting, you should pay attention
to the cold. If you use cemented carbide tools to process stainless steel, do
not use water-soluble cutting fluids to avoid the blades from receiving large
thermal stress and causing chipping.
Q: Can high speed steel cut stainless
steel?
A: It is not
easy to cut stainless steel with high-speed steel. High-speed steel contains
Cr, and general high-speed steel also contains Cr which is prone to wear when
processed.
If cutting is necessary, use a low cutting
speed of 18 m / min. Add a lot of cooling water. It is recommended to use Ty15
cutter head.
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