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Machining method of wear-resistant cutters

A processing method and cutting tool technology, which are applied in metal material coating technology, ion implantation plating, coating, etc., can solve problems such as unsatisfactory effect, easy wear of blades, and reduced service life of devices, so as to achieve good impact resistance Performance and wear resistance, improved strength and toughness, and improved service life

Active Publication Date: 2012-06-27
SHANTUI CONSTR MASCH CO LTD
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  • Application Information

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Problems solved by technology

When working in various harsh working environments and conditions, the working devices of construction machinery are subject to severe impact and friction, which causes the working devices, especially the blades that directly interact with the soil, to be easily worn, reducing the service life of the device
Usually, in order to improve the wear resistance of the working device and reduce the number of replacements, a new type of special wear-resistant alloy steel plate is used and a special heat treatment process is performed, but the effect is still not ideal

Method used

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  • Machining method of wear-resistant cutters
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  • Machining method of wear-resistant cutters

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Embodiment Construction

[0050] For reference and clarity, the technical terms used below are summarized as follows:

[0051] Multi-arc ion plating: It is an improved vacuum arc ion plating technology, which improves the state of arc discharge through an external magnetic field, refines the arc spot and improves the etching of the cathode target, and improves the flow and orientation of the beam. Reduced droplet density further improves deposition rate, coating quality and adhesion. The method has the advantages of fast deposition speed, high efficiency, uniform coating, and high bonding strength of the coating substrate.

[0052] Magnetron sputtering deposition: It is a pulsed unbalanced magnetron sputtering method, which has the advantages of preparing large-area, multi-component, dense, and high-quality coatings.

[0053] The core of the invention is to provide a processing method for a wear-resistant cutting tool to improve the service life of the cutting tool.

[0054] In order to enable those ...

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Abstract

The invention discloses a machining method of wear-resistant cutters, which includes steps of pretreating; cleaning bases of the cutters in an ionized manner; depositing a Ti transitional layer on the surface of the bases of the cutters by means of multi-arc ion plating; depositing a TiN bottom layer on the Ti transitional layer by means of multi-arc ion plating; and depositing a TiN layer on the TiN bottom layer by means of unbalanced magnetron sputtering. Since coating layers are prepared and deposited by means of multi-arc ion plating and unbalanced magnetron sputtering, strength and ductility of the coating layers can be improved evidently, impact resistance and wear resistance of the cutters are better and the service lives of the cutters in mechanical engineering devices are prolonged effectively.

Description

technical field [0001] The invention relates to the technical field of engineering machinery processing, in particular to a processing method of a wear-resistant cutting tool. Background technique [0002] Construction machinery belongs to earthwork operation machinery, which can independently complete various complicated earthwork works. It is currently widely used and plays an important role in the process of national construction. [0003] The operation process of construction machinery is a cyclic operation, and each cyclic operation needs to complete a series of processes such as cutting soil, shoveling soil, and transporting soil. During the whole operation process, the force on the working device is very complicated, including cutting resistance, frictional resistance between the blade cutting edge and the ground, etc. my country has a vast territory, and the soil types and properties vary greatly. There are clays with relatively high cohesion and rocks and soils wit...

Claims

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Application Information

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IPC IPC(8): C23C14/16C23C14/06C23C14/32C23C14/35
Inventor 李宣秋宋文龙徐长重冯西友李乃柱张亮吕文彬宋润州郑建新
Owner SHANTUI CONSTR MASCH CO LTD
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