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Complex-space curved-surface dot-motion induction heating hardening device and method

A technology of induction heating and quenching device, which is applied in the direction of quenching device, heat treatment equipment, heat treatment process control, etc., to achieve the effects of high degree of generalization, easy automation, and low heat loss

Active Publication Date: 2012-07-04
HUBEI TRI RING FORGING
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0009] The technical problem to be solved by the present invention is to provide a complex space curved surface point-type mobile induction heating and quenching device and method to solve the problems and deficiencies existing in the current surface strengthening technology when processing parts with complex space curved surfaces

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  • Complex-space curved-surface dot-motion induction heating hardening device and method

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Embodiment Construction

[0038] In order to better understand the present invention, the content of the present invention will be further clarified below in conjunction with specific embodiments and accompanying drawings, but the content of the present invention is not limited to the following embodiments.

[0039] The complex space curved surface quenching device provided by the present invention has a structure such as figure 1 As shown: it is mainly composed of a numerical control system 4 installed on the frame, a five-axis servo mechanism, an induction heater 12 driven by the five-axis servo mechanism, and a coolant nozzle 13, wherein: the induction heater 12 and the coolant nozzle 13 Three-dimensional continuous movement along the complex space surface of part 2. The induction current provided by the induction power supply 1 is passed into the induction heater 12, and after the surface of the part 2 is heated to the austenite transformation temperature, the cooling medium is sprayed from the coo...

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Abstract

The invention relates to a complex-space curved-surface dot-motion induction heating hardening device and method. The complex-space curved-surface dot-motion induction heating hardening device mainly comprises a numerical control system (4), a five-axis servo mechanism, an induction heater (12) and a cooling liquid sprayer (13), wherein the numerical control system (4) and the five-axis servo mechanism are arranged on a frame; the induction heater (12) and the cooling liquid sprayer (13) are driven by the five-axis servo mechanism to respectively make a three-dimensional continuous motion along the complex-space curved surface of a part; after the induction heater heats the surface of the part to austenite transition temperature, the cooling liquid sprayer sprays out a cooling medium to cool the surface of the part, thereby realizing the hardening reinforcing treatment of the surface of the part. By utilizing the device, the method is realized in a way that: the current frequency, motion speed and route of an induction power source (1) is selected according to the material type and heat treatment technique of the treated part, and the process of heating and cooling on the surface of the part is completed while the induction heater and the cooling liquid sprayer respectively make a three-dimensional continuous dot motion on the surface of the part. The invention can accurately control the depth of hardening layer, and has the advantages of high work efficiency, low loss of heat energy, no pollution and the like; and the surface structure after hardening is uniform.

Description

technical field [0001] The invention relates to the technical field of heat treatment of metal materials, in particular to a quenching method for surface strengthening of complex spatial curved surfaces by using induction heating and adopting an appropriate cooling method. Background technique [0002] At present, there are more and more parts with complex spatial surfaces, such as: drawing dies for sheet metal stamping, bending dies, metal dies for casting and plastic injection dies, extrusion dies, blown dies, etc. Surfaces of molds such as plastic molds, marine propellers, aerospace vehicle parts, etc. With the widespread application of multi-axis linkage CNC machine tools, the surface machining accuracy is getting higher and higher. In order to improve the working performance and service life of these parts, it is usually strengthened so that the core has high impact resistance, and the surface has high hardness and wear resistance. [0003] In the existing process tec...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C21D1/10C21D1/667C21D11/00
CPCY02P10/25
Inventor 秦训鹏华林邢哲解洪江
Owner HUBEI TRI RING FORGING
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