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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.

Inactive Publication Date: 2020-02-28
苏州法思特精密五金有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Stainless steel screws usually refer to steel screws that are resistant to corrosion by air, water, acid, alkali salt or other media. It is generally not easy to rust and durable. It can be used in environmental protection equipment, medical equipment, communication equipment and other fields. Lettering knurling processing technology is becoming more and more mature, but there are still some deficiencies to be improved
[0003] The existing technology has the following problems: the existing stainless steel screw lettering knurling processing technology does not have a detection structure in the initial stage of raw materials. Although it does not affect the normal lettering knurling processing of stainless steel screws, it is easy to increase the reject rate of the product, thereby causing material damage. waste, thereby increasing the cost

Method used

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  • Lettering knurling processing process for stainless steel screw
  • Lettering knurling processing process for stainless steel screw
  • Lettering knurling processing process for stainless steel screw

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Embodiment 1

[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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Abstract

The invention discloses a lettering knurling processing process for a stainless steel screw. The lettering knurling processing process for the stainless steel screw comprises the following steps: selecting a raw material, wherein the raw material is a reinforcing stainless steel bar; and the components of the reinforcing stainless steel bar are calculated by mass fraction; in a raw material detection process of the lettering knurling processing process for the stainless steel screw, the reinforcing stainless steel bar is detected by an appearance detecting module, a bur detecting module and asize detecting module in sequence, and the detection data are fed back to a control module; the control module feeds back the data to an analysis and comparison module; the analysis and comparison module retrieves the data in a storage module for comparative analysis, and feeds back the analysis data to the control module; if the detection results are all qualified, a voice module broadcasts detection qualified; if part of the detection results are unqualified, the voice module broadcasts detection unqualified; meanwhile, the control module controls an unqualified product eliminating module toeliminate; the qualification rate of products can be improved by matching a plurality of structures, so that the waste of materials is reduced; and therefore, the cost is reduced.

Description

technical field [0001] The invention belongs to the technical field of stainless steel screw processing, and in particular relates to a stainless steel screw lettering knurling processing technology. Background technique [0002] Stainless steel screws usually refer to steel screws that are resistant to corrosion by air, water, acid, alkali salt or other media. It is generally not easy to rust and durable. It can be used in environmental protection equipment, medical equipment, communication equipment and other fields. Lettering knurling processing technology is becoming more and more mature, but there are still some shortcomings to be improved. [0003] The existing technology has the following problems: the existing stainless steel screw lettering knurling processing technology does not have a detection structure in the initial stage of raw materials. Although it does not affect the normal lettering knurling processing of stainless steel screws, it is easy to increase the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00
CPCB23P15/00
Inventor 陈华根
Owner 苏州法思特精密五金有限公司
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