2. Cutting: cutting, plasma cutting, sawing, etc. Used for stainless steel parts.
(1) shearing: it should be separated from the feeding bracket when shearing, and the hopper should be covered with rubber pad to avoid scratches.
⑵ Plasma cutting: After plasma cutting, the slag should be cleaned up. When cutting in batches, the finished parts should be cleaned in time to avoid cutting slag polluting the workpiece.
(3) Cutting and blanking: When cutting and blanking, the clamping place should be protected by rubber, and the oil stain and residue on the workpiece should be cleaned after sawing.
3. Processing: Stainless steel parts should also be protected during turning, milling and other mechanical processing. After the operation is completed, oil stains, iron filings and other impurities on the surface of the workpiece should be cleaned up.
4. Forming: In the process of plate rolling and bending, effective measures should be taken to avoid scratches and creases on the surface of stainless steel parts.
5. Riveting welding: When assembling stainless steel parts, compulsory assembly, especially flame baking and assembly, should be avoided. If plasma cutting is used temporarily during assembly or production, isolation measures should be taken to avoid slag pollution to other stainless steel parts. After cutting, the slag on the workpiece should be cleaned up.
6. Welding: Before welding stainless steel parts, oil, rust, dust and other sundries must be carefully removed. When welding, argon arc welding should be used as far as possible. When manual arc welding is used, small current should be used for rapid welding to avoid swinging. It is forbidden to strike an arc in the non-welding area, and the grounding wire shall be correctly positioned and firmly connected to avoid arc wear. Splash prevention measures (such as painting with white ash) should be taken during welding. After welding, stainless steel (carbon steel is not allowed) flat shovel should be used to thoroughly clean slag and splash.
7. Multi-layer welding: During multi-layer welding, the slag between layers must be removed. When multi-layer welding, the interlayer temperature should be controlled, generally not exceeding 60℃.
8. Weld: The weld shall be polished smoothly, and the surface of the weld shall be free of defects such as slag inclusion, blowhole, undercut, splash, crack, incomplete fusion and incomplete penetration. Weld and base metal shall have a smooth transition and shall not be lower than base metal.
9. Orthopedic: Orthopedic stainless steel parts should avoid flame heating, especially it is not allowed to heat the same part repeatedly. Orthopedics, try to use mechanical equipment, or use a wooden hammer (rubber hammer) or rubber pad to hammer, and it is forbidden to hammer with a hammer to avoid damaging stainless steel parts.
10. Handling: When handling stainless steel parts during processing, the means of transportation (such as cars, battery cars or crown blocks, etc.). ) use, and take isolation protection measures to prevent dust, oil, rust pollution of stainless steel. It is forbidden to drag directly on the platform or ground, and it is forbidden to bump or scratch.