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Longitudinal inductor and scanning quenching technology for stepped axle longitudinal inductor

A technology of inductors and stepped shafts, which is applied in the field of scanning quenching process of longitudinal guide sensors and stepped shaft longitudinal guide sensors, can solve the problems of high cost and complicated process, and achieve the improvement of utilization rate, production efficiency and equipment cost economy Effect

Active Publication Date: 2009-02-11
WANXIANG 123 CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Aiming at the disadvantages of complicated process and high cost in the prior art, the present invention proposes a longitudinal guide sensor with simple structure and low cost

Method used

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  • Longitudinal inductor and scanning quenching technology for stepped axle longitudinal inductor
  • Longitudinal inductor and scanning quenching technology for stepped axle longitudinal inductor
  • Longitudinal inductor and scanning quenching technology for stepped axle longitudinal inductor

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Embodiment

[0022] Longitudinal sensor: as attached Figure 1-3 As shown, it includes a coil body 8 connected to the lifting mechanism and connected to the intermediate frequency induction power supply through a power line, and a high-flux silicon steel sheet 13 fixed on the coil body. The coil body 8 is bent from a copper tube. Body 81, lower semicircular coil body 83 and two sections of straight pipe coil body 82 connected with upper semicircular coil body 81 and lower semicircular coil body 83 form an approximately closed space, and the stepped shaft passes through upper semicircular coil body 81 and lower semicircular coil body 81. The space formed by the semicircle coil body 83; the straight tube coil body 82 is perpendicular to the plane where the upper semicircle coil body 81 and the lower semicircle coil body 83 are located, and the straight tube coil body 82 is fixed with a U-shaped high-flux silicon steel sheet 13, U The open end of shaped high-flux silicon steel sheet 13 is clo...

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PUM

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Abstract

The invention relates to a longitudinal conducting inductor and stepped shaft longitudinal inductor for scanning quenching for heat treatment of machinery parts. Said longitudinal conducting inductor is composed of coil bodies and a magnetic conducting body. A stepped shaft is inserted through the space formed by upper semi-circular and lower semi-circular coil body. The straight tube coil is perpendicular to the plane on which the upper and lower semi-circular coil bodies are existed. A U shaped magnetic conductor is fixed on said straight tube coil. The opening of the conductor is near the shaft end. The axis of symmetry of U shaped cross section of the conductor is passing through the center of the cross section of the shaft. The invented quenching art consists of: the inductor is placed under the lower end of the shaft. After the temperature of the surface of the shaft is increased to the quenching temperature, we proceed scanning jetting quenching onto the surface of the shaft.

Description

technical field [0001] The invention relates to a heat treatment device and a heat treatment method for mechanical parts, in particular to a scanning quenching process for a longitudinal guide inductor and a stepped shaft longitudinal guide inductor. Background technique [0002] For a long time, the intermediate frequency quenching of shafts has adopted ring-type continuous quenching inductors. This process itself has a disadvantage that is difficult to overcome. A discontinuous hardened layer appears, and the shoulder is easily overheated and cracked. Because when the ring-shaped inductor is used for continuous heating, the induced current on the workpiece flows along the circumferential direction, which is opposite to the direction of the intermediate frequency current on the inductor. Due to the proximity effect, the intermediate frequency current density on the inductor will change. , resulting in strong and weak induction currents at different diameters, resulting in ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C21D1/42C21D1/667C21D9/28
CPCY02P10/25
Inventor 周利军
Owner WANXIANG 123 CO LTD
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