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Method for adjusting amount of spinning stagger of two spinning wheels

A spinning wheel and offset technology, which is applied in the field of adjusting the offset amount of two-wheel spinning, can solve the problems of cumbersome calculation process, poor stability, and poor scientific applicability, and achieve simple operation, high stability, and good applicability sexual effect

Active Publication Date: 2019-05-21
XIAN AEROSPACEMOTOR MACHINE FACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In order to overcome the shortcomings of the existing technology in terms of poor stability, applicability, and scientificity, as well as the cumbersome calculation process, the present invention proposes a method for adjusting the amount of misalignment in the spinning of two rollers

Method used

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  • Method for adjusting amount of spinning stagger of two spinning wheels
  • Method for adjusting amount of spinning stagger of two spinning wheels
  • Method for adjusting amount of spinning stagger of two spinning wheels

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0050] This embodiment is a method for adjusting the amount of spinning offset in the processing of ultra-high-strength steel thin-walled cylindrical parts by the two-wheel offset spinning method.

[0051] The structure of the rotary wheels used in the processing process is exactly the same, the number of rotary wheels N is 2, the diameter of the rotary wheels D is 300mm, the thickness of the rotary wheels d is 70mm, the angle of rotation of the rotary wheels is 30°, and the thickness of the rotary wheel screw-in ends is d 0 is 35mm, the exit angle β of the rotary wheel is 30°, and the fillet radius R of the rotary wheel is 6mm.

[0052] The concrete process of this embodiment is:

[0053] Step 1, determine the basic parameters of the wheel.

[0054] The number N of said rotary wheels is 2, and each rotary wheel has the same structure. The basic parameters of the rotary wheel include the rotary wheel diameter D, the rotary wheel thickness d, the rotary wheel screw-in angle α, ...

Embodiment 2

[0078] This embodiment is a method for adjusting the amount of spinning offset in the processing of ultra-high-strength steel thin-walled cylindrical parts by the two-wheel offset spinning method.

[0079] The structure of the rotary wheels used in the processing process is exactly the same, the number of rotary wheels N is 2, the diameter of the rotary wheels D is 300mm, the thickness of the rotary wheels d is 70mm, the angle of rotation of the rotary wheels is 30°, and the thickness of the rotary wheel screw-in ends is d 0 is 35mm, the exit angle β of the rotary wheel is 30°, and the fillet radius R of the rotary wheel is 6mm.

[0080] The concrete process of this embodiment is:

[0081] Step 1, determine the basic parameters of the wheel.

[0082] The number N of said rotary wheels is 2, and each rotary wheel has the same structure. The basic parameters of the rotary wheel include the rotary wheel diameter D, the rotary wheel thickness d, the rotary wheel screw-in angle α...

Embodiment 3

[0106] This embodiment is a method for adjusting the amount of spinning offset in the processing of ultra-high-strength steel thin-walled cylindrical parts by the two-wheel offset spinning method.

[0107] The structure of the roller used in the processing process is exactly the same, the number N of the roller is 2, the diameter D of the roller is 300mm, the thickness d of the roller is 70mm, the angle of rotation of the roller is α is 30°, and the thickness of the end of the roller is d 0 is 35mm, the exit angle β of the rotary wheel is 30°, and the fillet radius R of the rotary wheel is 6mm.

[0108] The concrete process of this embodiment is:

[0109] Step 1, determine the basic parameters of the wheel.

[0110] The number N of said rotary wheels is 2, and each rotary wheel has the same structure. The basic parameters of the rotary wheel include the rotary wheel diameter D, the rotary wheel thickness d, the rotary wheel screw-in angle α, the rotary wheel screw-in end thi...

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Abstract

The invention discloses a method for adjusting the amount of spinning stagger of two spinning wheels. When setting the amount of thickness reduction of each spinning wheel, the amount of thickness reduction of each spinning wheel is determined according to work hardening of a material when three-spinning-wheel stagger spinning; according to a total amount T of thickness reduction, the number of the spinning wheels and a distribution value of the amount of thickness reduction at the time of stagger spinning of each spinning wheel, the amount of thickness reduction of each spinning wheel is obtained; and when adjusting the axial position of each of the spinning wheels, the spinning wheels are radially moved along a cylindrical member to a corresponding wall thickness reduction amount area ofa spinning blank to enable straight lines on which the sides of spinning angles alpha of the spinning wheels are located to be tangent to straight lines on which the sides of the spinning angle alphaof the first spinning wheel to obtain the amount of stagger between the spinning wheels, and the precision reaches a 0.01mm level. According to the method for adjusting the amount of spinning staggerof the two spinning wheels, a plurality of spinning wheels are equivalent to a stepped integral spinning wheel to realize stable deformation of the metal material; and when determining the amount ofstagger between the spinning wheels, the rebound of the material and equipment and work hardening caused by the distribution of the amount of thickness reduction of each spinning wheel are fully considered, the amount of stagger between the spinning wheels is consistent with the actual production, the characteristics of simple operation, quickness and convenience are achieved, and the efficiency is extremely high.

Description

technical field [0001] The invention relates to the field of mechanical processing, in particular to a method for adjusting the misalignment amount of spinning of two rollers. Background technique [0002] With the rapid development of my country's aviation, aerospace and other high-precision manufacturing industries and the national economy, there are more and more demands for thin-walled metal spinning cylindrical parts, and the precision requirements of parts are also getting higher and higher. Therefore, the requirements for the stability, applicability, scientificity and speediness of parameter selection for the powerful spinning process of cylindrical parts are getting higher and higher. [0003] The staggered pitch spinning can achieve a larger pass thinning rate in one spinning stroke, and the production efficiency is higher; if the staggered distance between the rollers is too large or too small, the quality of the spinning parts will be affected. If the amount of m...

Claims

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Application Information

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IPC IPC(8): B21D22/16
Inventor 曹学文杨延涛王亚社赵琳瑜孟繁瀛张岩杨东浩王春平宋琪
Owner XIAN AEROSPACEMOTOR MACHINE FACTORY
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