Plasma titanium injection method for disc hob blade of metal steel plate

A plasma implantation and plasma technology, which is applied in ion implantation plating, metal material coating process, vacuum evaporation plating, etc. Collapse and other problems, to achieve the effect of enhancing resistance strength and good use value

Inactive Publication Date: 2021-06-29
上海妙壳新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The strength of automotive steel plates has been increased from 980MP to 1180MP, and will even be increased to 1400MP in the future. Common methods such as PVD plasma nitriding cannot solve the stability of chipping in hob-sheared high-strength plates. General methods can only solve it. The service life of 980MP below 980MP is improved, but after increasing to 1180MP and plate thickness to 1.2mm, the surface treatment technology proposed above has encountered a problem. In the process of shearing the steel plate, the problem of blade chipping occurred. , rather than wear and tear issues, so that the service life is about 200 tons, and the service life is short

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A method for plasma implanting titanium into a metal plate disk hob blade, comprising the steps of:

[0021] Step 1. Pretreat the surface of the hob. The pretreatment method is to place the hob in an environment with a plasma intensity greater than 200 electron volts, and the temperature range formed on the surface of the hob is 1100° C.;

[0022] Step 2. Carry out arc magnetic filtration to the hob in step 1, and deposit TI of 4-6 microns on the surface of the hob; the surface glow discharge formed on the surface of the hob is 400V, and the surface is treated with glow plasma. For cleaning, the glow plasma is 200KHZ, the hob of glow plasma discharge is placed in the plasma chemical heat treatment furnace, and the vacuum is pre-evacuated to 1×10 - 4 Pa, and feed O and N gas, control the flow ratio of N gas and N;

[0023] Step 3: Perform multi-layered plasma infiltration on the surface of the hob in step 2. First, arc-filtered TICRVAL metal ions are discharged. The tr...

Embodiment 2

[0026] A method for plasma implanting titanium into a metal plate disk hob blade, comprising the steps of:

[0027] Step 1. Pretreat the surface of the hob. The pretreatment method is to place the hob in an environment with a plasma intensity greater than 200 electron volts, and the temperature range formed on the surface of the hob is 1150° C.;

[0028] Step 2. Perform arc magnetic filtration on the hob in step 1, and deposit 5 micron TI on the surface of the hob; the surface glow discharge formed on the surface of the hob is 425V, and the surface is cleaned by glow plasma , the glow plasma is 200KHZ, the hob of the glow plasma discharge is placed in the plasma chemical heat treatment furnace, and the vacuum is pre-evacuated to 2×10 -4 Pa, and feed O and N gas, control the flow ratio of N gas and N;

[0029] Step 3: Perform multi-layer plasma infiltration on the surface of the hob in step 2. First, arc-filtered TICRVAL metal ions are discharged. The treatment temperature of ...

Embodiment 3

[0032] A method for plasma implanting titanium into a metal plate disk hob blade, comprising the steps of:

[0033] Step 1. Pretreat the surface of the hob. The pretreatment method is to place the hob in an environment with a plasma intensity greater than 200 electron volts, and the temperature range formed on the surface of the hob is 1200° C.;

[0034] Step 2. Perform arc magnetic filtration on the hob in step 1, and deposit 5 micron TI on the surface of the hob; the surface glow discharge formed on the surface of the hob is 450V, and the surface is cleaned by glow plasma , the glow plasma is 200KHZ, the hob of the glow plasma discharge is placed in the plasma chemical heat treatment furnace, and the vacuum is pre-evacuated to 3×10 -4 Pa, and feed O and N gas, control the flow ratio of N gas and N;

[0035] Step 3: Perform multi-layer plasma infiltration on the surface of the hob in step 2. First, arc-filtered TICRVAL metal ions are discharged. The treatment temperature of ...

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PUM

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Abstract

The invention discloses a plasma titanium injection method for a disc hob blade of a metal steel plate. The plasma titanium injection method for the disc hob blade of the metal steel plate is characterized by comprising the following steps that S1, the surface of a hob is pretreated; S2, electric arc magnetic filtration is carried out on the hob in the S1, and 4-6 microns of TI is deposited on the surface of the hob; and S3, plasma infiltration of a multi-layer structure is carried out on the surface of the hob in the S2. Compared with the prior art, the plasma titanium injection method for the disc hob blade of the metal steel plate has the beneficial effects that a plasma infiltration technology is carried out on the surface of the hob, the resistance strength of the blade is enhanced, the problem of blade breakage in the steel plate shearing process is solved through the plasma infiltration of the multi-layer structure, the service life is prolonged by 2.5-3.5 times, and a specific PVD coating of a company is carried out after the mode is adopted, so that the service life of the hob is prolonged; on the basis, the PVD coating can be used for improving the efficiency, and a good use value is achieved in surface coating and coating of high-speed steel tools, dies and industrial parts.

Description

technical field [0001] The invention relates to the technical field of plasma titanium infiltration surface treatment, in particular to a method for plasma implanting titanium into a disc hob blade of a metal steel plate. Background technique [0002] The current PVD plasma nitriding method, such as patent 2016108644364, is called an integrated composite treatment method for in-situ PVD coating on the surface of alloy steel after nitriding. The present invention discloses an in-situ PVD coating on the surface of alloy steel after nitriding integrated composite processing method. First, the substrate is ground, polished, and ultrasonically cleaned, and then the surface is plasma cleaned and etched using arc-enhanced glow discharge technology; then ion nitriding is performed to obtain a nitrided layer; finally, under similar temperature and pressure conditions, Advanced plasma-assisted arc coating treatment is carried out in situ, the substrate is negatively biased, and a har...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C14/16C23C14/32C23C14/48
CPCC23C14/16C23C14/325C23C14/48
Inventor 黄仕江蒋源袁明
Owner 上海妙壳新材料科技有限公司
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