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Laser quenching device and method for non-tempered soft zone on bearing surface

A laser quenching and bearing surface technology, applied in the direction of quenching device, furnace, furnace type, etc., can solve the problems of uneven quenching hardening layer, uneven quenching layer depth, etc., and achieve the effect of high-quality quenching treatment

Active Publication Date: 2019-01-29
INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI
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Problems solved by technology

[0005] The purpose of the present invention is to provide a laser quenching device and method without tempered soft bands on the bearing surface, so as to solve the problems of tempered soft bands, uneven quenched hardened layers, and uneven quenched layer depths in multi-channel scanning quenched workpieces

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  • Laser quenching device and method for non-tempered soft zone on bearing surface
  • Laser quenching device and method for non-tempered soft zone on bearing surface
  • Laser quenching device and method for non-tempered soft zone on bearing surface

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[0026] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0027] figure 1 A schematic diagram of a laser quenching device for a bearing surface without a tempered soft belt provided by the present invention. The laser quenching device includes a laser 1, a beam transmission system 2, a laser processing head 7 and a mechanical arm 8. The laser beam emitted by the laser 1 passes through the The beam transmission system 2, the laser processing head 7 reach the bearing workpiece 9, and the mechanical arm 8 controls the translation and rotation of the laser processing head 7, wherein the laser processing head 7 includes a first lens 3, a second lens 4, a scanning galvanometer 5 and a flat plane The focusing lens 6, the laser beam emitted by the laser 1 enters the laser processing hea...

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Abstract

The invention discloses a laser quenching device and method without a tempering soft belt on a bearing surface. The device comprises a laser unit, a light beam transmission system, a laser processing head and a mechanical arm, wherein a laser beam emitted by the laser unit sequentially passes through the light beam transmission system and the laser processing head to reach a bearing workpiece; the mechanical arm controls the laser processing head to horizontally move and rotate, so that laser spots which reach the bearing workpiece can cover the surface of the workpiece; the laser processing head comprises a first lens, a second lens, a scanning galvanometer and a flat field focusing lens, wherein after entering the laser processing head through the light beam transmission system, the laser beam emitted by the laser unit sequentially passes through the first lens and the second lens in the laser processing head to reach the scanning galvanometer, and reaches the bearing workpiece through the flat field focusing lens after being reflected by the scanning galvanometer to change the direction. Laser directly scans and irradiates the bearing surface by virtue of modes of laser beam reshaping and scanning galvanometer scanning and processing, so that the quenching purpose is reached, and therefore, the effects of no tempering soft belt, and a deep and wide size of an ultra-hardened layer can be realized.

Description

technical field [0001] The invention relates to the technical field of surface laser quenching, in particular to a laser quenching device and method for a non-tempered soft belt on the surface of a bearing. Background technique [0002] Laser hardening, also known as laser phase transformation hardening, is a heat treatment technology applied to metal surfaces. The main process is to irradiate the surface of the iron-carbon alloy with a phase transition point with a high-energy-density laser, and the temperature of the metal surface rises rapidly above the phase transition point to produce an austenite structure, and then the workpiece itself is rapidly cooled by heat conduction to obtain fine martensite. Highly hardened layer of the body. Laser quenching does not need cooling medium such as water or oil. It is a self-quenching process technology. The processing form is flexible and efficient. The hardness, wear resistance and fatigue resistance of the obtained metal surfac...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C21D1/09C21D1/62C21D9/40
CPCC21D1/09C21D1/62C21D9/40
Inventor 林学春罗虹李达付金祥于海娟林培晨
Owner INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI
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