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Preparation method of laser cladding type diamond wear-resistant material

A technology of laser cladding and wear-resistant materials, which is applied in the direction of metal material coating process, improvement of process efficiency, heating inorganic powder coating, etc., can solve problems such as damage, difficulty, and shedding, so as to reduce production costs and improve Abrasion resistance and the effect of prolonging the service life

Pending Publication Date: 2022-08-05
永州金科地质装备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the process of geological drilling, it is usually necessary to use the drill bit for drilling processing, so as to confirm the drilling processing under the current geological environment. Due to the different hardness of different rock layers, it is more difficult to drill, so the wear resistance of the drill bit is higher. Requirements, in order to improve the durability of the drill bit, a layer of wear-resistant layer is usually laid on the surface of the drill bit, but the traditional wear-resistant coating is mostly fixed by electroplating, and the coating cannot be fully fused with the metal substrate of the drill bit, and The durability of the coating is insufficient, it is easy to be damaged during use, and eventually falls off, which cannot meet the current use requirements and is insufficient in practicability. Therefore, a new preparation method for wear-resistant materials is proposed to solve the problem

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Step 1: Clean the diamond and the metal substrate, put the diamond and the metal substrate into the ultrasonic cleaning machine for cleaning, remove impurities and oil stains, and ensure that the surface of the diamond and the metal substrate is clean;

[0024] Step 2: Prepare wear-resistant powder, put diamond and alloy powder into the heating box at a ratio of 1:3 for preliminary heating and fully stir and mix;

[0025] Step 3: preheating and sintering, uniformly coating the wear-resistant powder on the surface of the metal substrate by means of coaxial powder feeding, and placing it in a heating furnace for sintering, so that the wear-resistant powder is initially solidified and formed in the heating furnace;

[0026] Step 4: Laser cladding, take out the metal substrate with the surface wear-resistant powder initially solidified and place it in the laser cladding device, and use the semiconductor fiber output laser to clad and heat the wear-resistant powder on the sur...

Embodiment 2

[0040] Step 1: Clean the diamond and the metal substrate, put the diamond and the metal substrate into the ultrasonic cleaning machine for cleaning, remove impurities and oil stains, and ensure that the surface of the diamond and the metal substrate is clean;

[0041] Step 2: Prepare wear-resistant powder, put diamond and alloy powder into the heating box at a ratio of 1:4 for preliminary heating and fully stir and mix;

[0042] Step 3: preheating and sintering, uniformly coating the wear-resistant powder on the surface of the metal substrate by means of coaxial powder feeding, and placing it in a heating furnace for sintering, so that the wear-resistant powder is initially solidified and formed in the heating furnace;

[0043] Step 4: Laser cladding, take out the metal substrate with the surface wear-resistant powder initially solidified and place it in the laser cladding device, and use the semiconductor fiber output laser to clad and heat the wear-resistant powder on the sur...

Embodiment 3

[0056] Step 1: Clean the diamond and the metal substrate, put the diamond and the metal substrate into the ultrasonic cleaning machine for cleaning, remove impurities and oil stains, and ensure that the surface of the diamond and the metal substrate is clean;

[0057] Step 2: Prepare wear-resistant powder, put diamond and alloy powder into the heating box at a ratio of 1:5 for preliminary heating and fully stir and mix;

[0058] Step 3: preheating and sintering, uniformly coating the wear-resistant powder on the surface of the metal substrate by means of coaxial powder feeding, and placing it in a heating furnace for sintering, so that the wear-resistant powder is initially solidified and formed in the heating furnace;

[0059] Step 4: Laser cladding, take out the metal substrate with the surface wear-resistant powder initially solidified and place it in the laser cladding device, and use the semiconductor fiber output laser to clad and heat the wear-resistant powder on the sur...

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Abstract

The invention discloses a preparation method of a laser cladding type diamond wear-resistant material. The preparation method comprises the following steps that 1, diamond and a metal base material are cleaned; step 2, preparing wear-resistant powder; step 3, preheating and sintering; 4, laser cladding is carried out; 5, spraying forming is carried out; step 6, cooling and temperature reduction; and 7, polishing and cleaning. The diamond mixed alloy powder is adopted as a base material, preliminary curing is conducted in a laser cladding mode, meanwhile, a layer of wear-resistant powder is laid in the hot melting and cooling process, the wear resistance of the metal base material can be remarkably improved, the service life can be prolonged, and the production cost can be reduced.

Description

technical field [0001] The invention relates to the field of wear-resistant material production equipment, in particular to a preparation method of a laser cladding type diamond wear-resistant material. Background technique [0002] In the process of geological drilling, it is usually necessary to use a drill bit for drilling processing to confirm the drilling processing in the current geological environment. Due to the different hardness of different rock layers, drilling is more difficult, so the wear resistance of the drill bit is higher. In order to improve the durability of the drill bit, a wear-resistant layer is usually laid on the surface of the drill bit, but the traditional wear-resistant coating is mostly fixed by electroplating, and the coating cannot be fully integrated with the metal substrate of the drill bit, and The durability of the coating is insufficient, it is easy to be damaged in the process of use, and eventually falls off, which cannot meet the curre...

Claims

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Application Information

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IPC IPC(8): C23C24/10C23C24/08C22C26/00B22F1/12
CPCC23C24/10C23C24/103C23C24/082C23C24/085C22C26/00Y02P10/25
Inventor 杨辉武黄艳云
Owner 永州金科地质装备有限公司