Forging method of hanger

A technology of hanger and initial forging temperature, applied in metal processing equipment and other directions, can solve the problems of complex hanger forging method, etc., and achieve the effect of high strength and simple manufacturing process

Inactive Publication Date: 2016-08-31
SUZHOU DONGSHENG FORGING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The forging method of the existing hanger is complicate...

Method used

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Embodiment Construction

[0025] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0026] A forging method of a hanger, comprising the steps of:

[0027] 1) Material selection and blanking, removing the head and tail of the blank, and then blanking;

[0028] 2) Heating, provide a furnace, the temperature of the furnace is not higher than 1000 ° C, when the furnace temperature reaches the initial forging temperature, it needs to be kept for two and a half hours, and the material sections enter the furnace in order, first in first out;

[0029] 3) Forging and extrusion, the stroke of the main pressure head of the slider is set, the distance between the main pressure heads is adjusted after the blank is loaded into the mold, and the distance between the main pressure heads is adjusted, and the stroke of the main pressure head reaches the set value.

[0030] 4) Punch out, move the upper slide to the punching station, adjust the distance ...

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Abstract

The invention discloses a forging method of a hanger. The forging method of the hanger comprises the following steps that (1) sorting and blanking are carried out, specifically, the head and tail of a blank are removed, and then blanking is carried out; (2) heating is carried out, specifically, a furnace is provided, the furnace loading temperature is not higher than 1000 DEG C, the furnace temperature needs to be maintained for two and half hours when reaching an initial forging temperature, and material sections are fed into the furnace in sequence, namely in the first-in first-out sequence; (3) forging extrusion is carried out, specially, the stroke of main pressure heads of sliding blocks is set, the interval of the main pressure heads is adjusted for upsetting extrusion after the blank is loaded to a die, and the main pressure heads return after the set stroke value is met; (4) punching ejection is carried out, specially, an upper sliding plate is moved to the punching station, the interval of punch bits is adjusted to form an inner hole, and then the punch bits return; and (5) cooling is carried out, specially, the final forging temperature of the forge is not lower than 800 DEG C, and the forge is placed in a sandpit to be slowly cooled.

Description

technical field [0001] The invention relates to a forging method of a hanger. Background technique [0002] Forging is a processing method that uses forging machinery to apply pressure to metal blanks to cause plastic deformation to obtain forgings with certain mechanical properties, certain shapes and sizes. It is one of the two major components of forging (forging and stamping). Forging can eliminate defects such as as-cast porosity produced in the metal smelting process and optimize the microstructure. At the same time, due to the preservation of complete metal flow lines, the mechanical properties of forgings are generally better than castings of the same material. For important parts with high loads and severe working conditions in related machinery, forgings are mostly used, except for plates, profiles or weldments that can be rolled with simpler shapes. [0003] According to the forging temperature, it can be divided into hot forging, warm forging and cold forging. ...

Claims

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Application Information

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IPC IPC(8): B21J5/00
CPCB21J5/002
Inventor 马一鸣
Owner SUZHOU DONGSHENG FORGING
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