Lettering knurling processing process for stainless steel screw
A processing technology, stainless steel technology, applied in the field of stainless steel screw lettering knurling processing technology, can solve the problems of increasing cost, material waste, deficiencies to be improved, etc., to achieve cost saving, increase pass rate, and reduce waste.
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[0021] see Figure 1-4 , the present invention provides the following technical solutions: a stainless steel screw lettering knurling process, comprising the following steps: selecting raw materials: raw materials are stainless steel bars, wherein the components of the stainless steel bars are calculated by mass fraction: Cr: 12% to 17%, C : 0.07~0.16%, Ni: 1.21~1.93%, Ti: 0.28~0.61%, Mn: 0.19~0.2%, N: 0.23~0.48%, Nb: 0.11~0.49%, Mo: 1.12~1.46%, Si: 0.15~0.37%, Cu: 0.6~0.88%, the balance is Fe; Raw material detection: carry out the detection process on stainless steel bars, and when unqualified stainless steel bars are detected, the staff will be alerted and automatically removed; annealing: the stainless steel bars will be Put it in the annealing furnace for annealing process; pickling: pickling the stainless steel bar to remove the oxide film on the surface of the stainless steel bar; cold heading: cut the stainless steel bar, pier it into a stainless steel screw blank; The...
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