Annular piece combined forging method

A ring-shaped piece, forging press technology, applied in the field of forging, can solve the problems of slow turning efficiency and too much waste of forging energy, and achieve the effect of reducing energy consumption and saving raw material consumption.

Inactive Publication Date: 2019-08-30
CHONGQING JUTAI MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] According to conventional production technology, the above two parts need to be produced as two parts, and the forging cost is the cost of two forgings, and there are two punching and skinning (ie scrap), especially when the parts are small in size, due to the existing The tonnage of the forging equipment is large, and the waste of forging energy is too large. For the waste structure of forging punching, please refer to Figure 4 shown
[0005] Among them, the conventional production process reference image 3 , need to go through forging, punching and turning respectively, the efficiency is slow

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] A combined forging method of a ring-shaped piece, comprising the steps of:

[0036] Step 1. The round steel is heated to the process temperature and kept warm, and then placed into the forging die of the forging press. The upper die is provided with an upper punch, and the middle of the lower die is provided with a lower punch. The upper punch is used to combine forging forgings The upper counterbore and the lower punch are used to combine the lower counterbore of the forging piece. The slider of the forging press drives the upper die to descend. The upper die and the lower die upset the bar and forge the first forging piece and the second forging piece. The combined forging piece is forged. For the ring blank, the center forging of the combined forging part removes the core material to make a combined ring blank;

[0037] The holding time t = heating coefficient η × δ, δ is the cross-sectional diameter of the ring blank, the unit is mm, the heating coefficient η = 0.5,...

Embodiment 2

[0044] A combined forging method of a ring-shaped piece, comprising the steps of:

[0045] Step 1. The round steel is heated to the process temperature and kept warm, and then placed into the forging die of the forging press. The upper die is provided with an upper punch, and the middle of the lower die is provided with a lower punch. The upper punch is used to combine forging forgings The upper counterbore and the lower punch are used to combine the lower counterbore of the forging piece. The slider of the forging press drives the upper die to descend. The upper die and the lower die upset the bar and forge the first forging piece and the second forging piece. The combined forging piece is forged. For the ring blank, the center forging of the combined forging part removes the core material to make a combined ring blank;

[0046] The holding time t = heating coefficient η × δ, δ is the cross-sectional diameter of the ring blank, the unit is mm, the heating coefficient η = 0.8,...

Embodiment 3

[0053] Step 1. The round steel is heated to the process temperature and kept warm, and then placed into the forging die of the forging press. The upper die is provided with an upper punch, and the middle of the lower die is provided with a lower punch. The upper punch is used to combine forging forgings The upper counterbore and the lower punch are used to combine the lower counterbore of the forging piece. The slider of the forging press drives the upper die to descend. The upper die and the lower die upset the bar and forge the first forging piece and the second forging piece. The combined forging piece is forged. For the ring blank, the center forging of the combined forging part removes the core material to make a combined ring blank;

[0054]The holding time t = heating coefficient η × δ, δ is the cross-sectional diameter of the ring blank, the unit is mm, the heating coefficient η1.2, and the unit of the holding time t is min;

[0055] Step 2. Put the combined forging ri...

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Abstract

The invention discloses an annular piece combined forging method, and belongs to the technical field of forging. The problems that two components need to be produced according to the two components, the forging cost is increased, forging energy waste is large, and raw material consumption is large are solved. According to the annular piece combined forging method, a combined production manner is used for combining the two components the same in material for forging, the method comprises the following steps that round steel is arranged in a forging die of a forging press, a first forge piece and second forge piece combined forging force piece ring blank is formed, an annular piece of a combined forging force piece is placed in a punch press to conduct recess punching, the ring blank of thecombined forging force piece is cut off, and a first forge piece blank and a second force piece blank are obtained. By means of the annular piece combined forging method, one punching waste is omitted, raw material consumption is reduced, energy consumption is reduced, the forging manual operation is reduced, the forging efficiency is improved, and output per shift is increased. In addition, the combined force piece is divided into the two components, the method for punching, cutting-off and hobbing through a lathe can be adopted for proceeding, and materials are saved to the maximum degree without procedure increasing.

Description

technical field [0001] The invention relates to the technical field of forging, in particular to a combined forging method of a ring-shaped piece. Background technique [0002] The early double-ring blanks generally adopt the axial split forging method. Although the process is simple, the material consumption is large due to the presence of flashes that need to be removed, and the material flow is more complicated. The structure and mechanical properties of different parts of the product are quite different. Large, it is easy to cause large processing deformation and heat treatment deformation. [0003] Especially when two annular parts are of the same material and the user needs to supply them in pairs, the determined production process is: forging, punching, heat treatment, and turning. see figure 1 and figure 2 shown, where, figure 1 are two annular mating parts, figure 2 Forgings for two annular mating parts. [0004] According to the conventional production tech...

Claims

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Application Information

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IPC IPC(8): B21J5/00B21J5/02B21K27/06B21K29/00B23P15/00
CPCB21J5/002B21J5/02B21K27/06B21K29/00B23P15/00
Inventor 雷安元张国路彭勇龙凤修李欣李宗黄成明
Owner CHONGQING JUTAI MACHINERY
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