Magnetostrictive driver with water-cooled plant and the forming method of its screw flat tube

A magnetostrictive and water-cooling device technology, applied in the mechanical field, can solve the problems of increased volume of the driver, inapplicability, and difficulty in obtaining an ideal compensation effect, and achieves the effect of fewer processing links and a simple structure

Inactive Publication Date: 2004-03-17
BEIJING UNIV OF TECH
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0013] There are two problems in this error elimination measure: 1) it increases the volume of the driver, which is not applicable when the design space is limited; , material elastic modulus, etc.), it is difficult to achieve the ideal compensation effect
[0014] ② For high-power, ultra-high-precision magne

Method used

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  • Magnetostrictive driver with water-cooled plant and the forming method of its screw flat tube
  • Magnetostrictive driver with water-cooled plant and the forming method of its screw flat tube
  • Magnetostrictive driver with water-cooled plant and the forming method of its screw flat tube

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Embodiment Construction

[0033] At first process the spiral flat tube 6 with the forming method of the spiral flat tube used for the magnetostrictive driver with forced water cooling device of the present invention, as Figure 5 As shown, the metal round tube adopts a copper tube with a diameter of 5mm, and the processing steps are as follows:

[0034] 1) Using an ordinary lathe, clamp the cylindrical mandrel 18 with the positioning hole 23 with the chuck 17 and support it with the neck tip 19;

[0035] 2) Insert one end of the copper tube to be processed into the positioning hole 23 on the mandrel 18, replace the knurled roller with a common bearing 21 and install the rolling tool 20 installed on it through the pin shaft 22 on a common lathe on the tool rest, and adjust the position of the tool rest so that the bearing 21 will squeeze the copper tube near the positioning hole 23; Make the knife rest move according to the mode of processing the left-handed thread, and complete the extrusion molding o...

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Abstract

The present invention relates to mechanical technology and is one kind of driver based on super-magnetostrictive material. The driver consists of magnetostrictive rod, front magnetic pole end cap, back magnetic pole end cap, exciting winding, micro displacement output head, casing, fixed end cap, front end cap, spring, winding tap, flat spiral pipe, water inlet pipe and water outlet pipe. The water cooler of the present invention is formed through inserting one end of some metal pipe into positioning hole of spindle, installing rolling tool onto tool carrier, adjusting the lathe to the pitch of the flat spiral pipe and starting the lathe to complete the extruding formation of the flat spiral pipe. The present invention has simple structure and high reliability and can maintain constant temperature of the magnetostrictive rod.

Description

technical field [0001] The invention belongs to the technical field of machinery and relates to a driver based on giant magnetostrictive materials. Background technique [0002] Magnetostriction is the phenomenon that an object will elongate and shorten along the direction of magnetization under the action of a magnetic field. Materials having magnetostrictive properties have been discovered in many cases. In recent years, reports on the development and application of magnetostrictive materials mainly refer to Terfenol-D (product of the United States). Terfenol-D is a rare earth alloy of iron (Fe), terbium (Tb) and dysprosium (Dy). The most ideal and most valuable magnetostrictive material for promotion and application. Often referred to as giant magnetostrictive materials. [0003] Terfenol-D is a kind of intelligent material. Compared with other intelligent materials, the driver made of it has the characteristics of large load capacity, large deformation, fast response...

Claims

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Application Information

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IPC IPC(8): B21D11/06B23B11/00
Inventor 刘德忠杨建武
Owner BEIJING UNIV OF TECH
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