BG42 stainless steel medical clamp and manufacturing method thereof

A technology of stainless steel and a manufacturing method, which is applied in the field of manufacturing process of oral medical jaws, can solve the problems of easy discoloration of welding places, poor welding performance, and difficult welding of materials.

Inactive Publication Date: 2015-07-22
杭州创亚医疗器械有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the problem of the hardness of the knife edge processed by this method has been solved, due to the poor welding performance of low or medium carbon stainless steel and the high hardness material

Method used

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  • BG42 stainless steel medical clamp and manufacturing method thereof
  • BG42 stainless steel medical clamp and manufacturing method thereof

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Embodiment Construction

[0014] The present invention will be further described below with reference to the accompanying drawings.

[0015] Such as Figure 1-2 As shown, the stainless steel BG42 medical pliers described in this embodiment includes a pliers body 1 with a pliers head, and a step is provided on the pliers head part 2, and stainless steel BG42 3 is welded on the steps by a paste nickel-based solder 4, wherein the The pliers body 1 is made of a low-carbon stainless steel material above HRC30 obtained by quenching, and the stainless steel BG42 is made of a mixture of C, Si, Mn, Cr, Mo and V, wherein the mass percentage of C is 1.0 -1.2, the mass percentage of Si is 0.2-0.4, the mass percentage of Mn is 0.4-0.6, the mass percentage of Cr is 14-15, the mass percentage of Mo is 3-5, and the mass percentage of V is 1.1-1.3; The paste nickel-based brazing filler metal is a mixture of Cr, B, Si, Fe, C, P and Ni, wherein the mass percentage of Cr is 6-8, the mass percentage of B is 2.75-3.5, and ...

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Abstract

The invention provides a BG42 stainless steel medical clamp. The BG42 stainless steel medical clamp comprises a clamp body with a clamp head, and the clamp head is provided with a step. The BG42 stainless steel medical clamp is characterized in that BG42 stainless steel is welded to the step through paste nickel-based brazing alloy; the clamp body is made of quenched low-carbon stainless steel materials with HRC more than 30; the BG42 stainless steel is formed by mixing C, Si, Mn, Cr, Mo and V and comprises, by mass, 1.0-1.2% of C, 0.2-0.4% of Si, 0.4-0.6% of Mn, 14-15% of Cr, 3-5% of Mo and 1.1-1.3% of V; the paste nickel-based brazing alloy is formed by mixing Cr, B, Si, Fe, C, P and Ni and comprises, by mass, 6-8% of Cr, 2.75-3.5% of B, 4-5% of Si, 2.5-3.5% of Fe, 0.05-0.07% of C, 0.01-0.03% of P, and the balance Ni.

Description

technical field [0001] The invention relates to a manufacturing process of medical jaws, in particular to a manufacturing process of oral medical jaws. Background technique [0002] The structures of the existing medical instrument forceps and scissors blades basically have the following types: [0003] 1. The whole medical forceps is made of medium carbon stainless steel material, which is directly processed into a knife edge after quenching. This type of knife edge cannot meet the requirement of cutting steel wire because the hardness of the material of stainless steel itself is not high after quenching. [0004] 2. The whole medical forceps is made of high-carbon stainless steel material, which is directly processed into a knife edge after quenching. This type of knife edge, because the overall hardness of the stainless steel itself is too high after quenching, the body of the pliers is brittle and difficult to process. Because such materials generally have high carbon...

Claims

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Application Information

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IPC IPC(8): B23P15/00A61C19/00A61B17/24
CPCB23P15/00A61B17/24A61C19/00
Inventor 俞斌蒋江
Owner 杭州创亚医疗器械有限公司
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