22 years of industry experience in mechanical parts manufacturing

Know about the shenzhen precision parts processing technical requirements

by:HENRY PARTS     2020-11-24
More English name Hardware Hardware Parts with Parts or Metal Parts. The traditional hardware parts, also called hardware, hardware accessories. Refers to the iron, steel, aluminum and other metal after forging, rolling, cutting and so on physical processing and manufacturing all kinds of metal tools and pieces. Hardware part contains the mould parts of hardware parts, machinery, hardware, daily hardware parts, window hardware parts, Marine hardware, building hardware parts, aerospace, metal parts, and security products, etc. Hardware products are not the final consumer goods. But as industrial manufacturing of products, semi-finished products and tools used in production process and so on. Precision parts processing only a small part of the daily hardware products is people living necessary tools class of consumer goods. Shenzhen precision parts processing technical requirements: 1. Parts to remove oxide skin. 2. Parts processing on the surface, there should be no damage on the surface of the parts defects such as scratches and bruises. 3. Remove burrs flash. 4. After tempering treatment, HRC50 ~ 55. 5. Parts of high frequency quenching, 350 ~ 370 ℃ tempering, HRC40 ~ 45. 6. Carburized depth of 0. 3mm。 7. High temperature aging treatment. 8. Precision parts processing not note tolerances shall comply with GB1184 - shape The requirements of 80. 9. Not note length allowed deviation plus or minus 0. 5mm。 10. Symmetry in rough casting casting tolerance zone basic size configuration. 11. No note radius R5. 12. Did not note chamfer are 2 x 45 °. 13. Acute blunt. 14. The seal must be soaked with oil before assembly. 15. Assembly of hot charging rolling bearings allow used engine oil heating, the temperature of the oil
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