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A method of medium and high frequency induction heating radial forging forming screw

A high-frequency induction heating and radial forging technology, applied in metal processing equipment and other directions, can solve the problem of forming large-diameter lead screws without warm forming technology using radial forging

Active Publication Date: 2015-08-05
XI AN JIAOTONG UNIV
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Problems solved by technology

In the patent with the publication number CN102814436A, a method of wheel-rolled warm forming screw parts is disclosed, but the warm forming technology has not been applied to the plastic processing technology of radial forging and forming large-diameter screw

Method used

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  • A method of medium and high frequency induction heating radial forging forming screw
  • A method of medium and high frequency induction heating radial forging forming screw
  • A method of medium and high frequency induction heating radial forging forming screw

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Embodiment Construction

[0046] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0047] In this example, four hammerheads are used, and the four hammerheads are arrayed at equal intervals along the axis of the workpiece in space, and the material of the lead screw is 42CrMo high-strength steel.

[0048] A method for radially forging and forming a lead screw by medium and high frequency induction heating, comprising the following steps:

[0049] Step 1, clamping the workpiece 2, one end of the workpiece 2 is clamped by the first manipulator 1;

[0050]Step 2, locally heating the surface of the end area of ​​the formed screw section on the workpiece 2, specifically:

[0051] 2.1. Reference figure 1 , the workpiece 2 is fed in the direction of the radial forging hammer head 3, and the forming screw section on the workpiece 2 enters the medium-high frequency induction heater 4, and the medium-high frequency induction heater 4 is arr...

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Abstract

The invention discloses a method utilizing middle and high-frequency induction to heat radial forging to form screws. The method includes clamping workpieces, heating partial surface of forming screw section end portion area of the workpieces, conveying workpieces heat section in a radial forging hammer direction, performing middle and high-frequency induction heating continuously, finishing thread shape forming of 1 / 2-2 / 3 portion of the forming screw section of workpieces via the hammer, clamping the other end of the workpieces via a second mechanical arm, loosening and retreating the first mechanical arm, performing middle and high-frequency induction heating continuously, finishing thread shape forming of unformed portion of the forming screw section of workpieces via the hammer, rapidly conveying the workpieces via the second mechanical arm in a clamping shaft direction, and discharging materials. The forming screw parts are formed via the middle and high-frequency induction heating and radial forging method, material using rate is increased, production circle is shortened, forming load is small, material flowing performance is good, forming accuracy is high, surface quality is good, screws with large material deformation resistance, high in hardness and large in diameter.

Description

technical field [0001] The invention belongs to the technical field of advanced material forming, and in particular relates to a method for radially forging a forming lead screw by medium and high frequency induction heating. Background technique [0002] Rolling functional parts are not only the basic functional parts of machine tools, but also widely used in aviation, aerospace, vehicles, medical equipment and other fields. They are important general basic components in the machinery industry, and screw is an important part of rolling functional parts. With the rapid development of aviation, aerospace, weapons industry and equipment manufacturing industry, there is an increasing need for high-thrust, high-speed, heavy-load, high-strength, high-performance, and long-life functional components. In particular, the demand for high-speed, heavy-duty, high-performance and large-diameter lead screws using high-strength and difficult-to-deform materials is increasing. [0003] Th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21J1/06B21J5/00
Inventor 张大伟赵升吨张超
Owner XI AN JIAOTONG UNIV
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