Fabrication process for energy storage spring conductor rod

A production process and technology of energy storage springs, which are applied in metal processing equipment, power devices inside switches, electrical components, etc., can solve the problems of high technical requirements and difficult manufacturing of energy storage spring guide rods.

Inactive Publication Date: 2009-03-25
ZHEJIANG ZHENGCHANG FORGING
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Problems solved by technology

[0002] Energy storage spring guide rods are mainly used in medium-voltage electrical switches. In some important medium-voltage electrical switches, the te

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  • Fabrication process for energy storage spring conductor rod

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Embodiment Construction

[0010] Reference attached figure 1 The energy storage spring guide rod is a combined forging with insert 1, the body material is brass of CuZn39Pb2, and the insert 1 is a stainless steel rod made of 1Cr18Ni9Ti-Q. The manufacturing process of the guide rod is: first, copper material According to a certain weight requirement, the material is cut on the sawing machine. The stainless steel rod is first turned and then groundlessly; then the copper material is heated in an intermediate frequency induction furnace, and the heating temperature is controlled at 700~750℃; then the stainless steel rod Place it on the lower mold of the mold, then put the heated copper material, and at the same time heat the mold through the carbon silicon rod, keep the mold temperature at 250-300℃, and forge the copper material and stainless steel rod together on a 200-ton punch. Two guide angle locks are designed on the mold, and the fit gap of the upper and lower mold locks is controlled within 0.02~0.05mm...

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Abstract

The invention discloses a manufacture process for an energy-storing spring guide bar, which is characterized in that the guide bar takes a brass combined forging with an insert as a body material, and the insert is a stainless steel bar taking 1Cr18Ni9Ti-Q as the material. The manufacture process comprises the following steps: a. blanking the brass material, and fine-processing the stainless steel bar; b. heating the brass material at the heating-up temperature to be 700-750 DEG C; c. placing the stainless steel bar and the brass material into a die, and die-forging the brass material and the stainless steel bar together on a punch, heating the die during the die-forging process at the heating temperature to be 250-300 DEG C; d. removing the stress and annealing the forging after the die-forging; and e. cold-trimming the forging . The manufacture process efficiently solves the problems of high technical requirements and great manufacture difficulties of the energy-storing spring guide bar.

Description

【Technical Field】 [0001] The invention relates to a manufacturing process of a switch component of a medium voltage electric device, in particular to a manufacturing process of an energy storage spring guide rod. 【Background technique】 [0002] Energy storage spring guide rods are mainly used in medium voltage electrical switches. In some important medium voltage electrical switches, the technical requirements for energy storage spring guide rods are very high, and its manufacturing is difficult. At present, there are no domestic manufacturers to produce them. [Summary of the invention] [0003] In view of the problems existing in the currently known technology, the present invention provides a manufacturing process for the energy storage spring guide rod that can solve the above technical problems. [0004] In order to solve the above technical problems, the present invention adopts the following technical solutions to complete: [0005] A manufacturing process of an energy sto...

Claims

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Application Information

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IPC IPC(8): H01H11/00H01H3/30B21J1/06B21J5/02C22F1/08
Inventor 董锦荣刘刚黄明兴
Owner ZHEJIANG ZHENGCHANG FORGING
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