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Machining method for rolling cone cylinder through bending machine

A processing method and technology of a bending machine are applied in the field of coil processing, which can solve the problems of complicated processing procedures and waste of raw materials, and achieve the effects of reducing the process of removing the allowance, improving the work efficiency, and reducing the reserved allowance.

Pending Publication Date: 2022-03-18
航天科工哈尔滨风华有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The research and development of the present invention solves the problem of complex processing procedures and waste of raw materials caused by the use of three-roll plate rolling machines

Method used

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  • Machining method for rolling cone cylinder through bending machine
  • Machining method for rolling cone cylinder through bending machine
  • Machining method for rolling cone cylinder through bending machine

Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0030] Specific implementation mode one: combine Figure 1-8 Describe this embodiment mode, a kind of processing method that adopts bending machine roll cone cylinder of this embodiment mode, comprises the following steps:

[0031] Step 1: Use a laser cutting machine to cut the expanded material (2). The expanded material is a 3-5mm thick superalloy plate. The expanded material (2) is fan-shaped, and the bending line (3) is a radial straight line. The bending line (3) Divide the developed material (2) evenly and divide the developed material (2) into several partitions by drawing the bending line (3);

[0032] Step 2: Calculate the bending angle:

[0033] A=180°-Z / n;

[0034] A-bending angle, unit is degree, Z-cone angle, unit is degree, n-number of partitions, that is, n=number of bending lines+1;

[0035] Step 3: The bending part (1) of the upper die of the bending machine is a circular arc with a radius greater than 9mm, and the unfolded material (2) is placed between th...

specific Embodiment approach 2

[0037] Specific implementation mode two: combination Figure 1-8 Describe this embodiment mode, a kind of processing method that adopts bending machine roll cone cylinder of this embodiment mode, comprises the following steps:

[0038] Step 1: Use a laser cutting machine to cut the unfolded material (2). The developed material is a 3-5mm thick superalloy plate. The developed material (2) is a developed material with holes. The bending line (3) is a radial straight line. The fold line (3) divides the unfolded material (2) evenly and divides the unfolded material (2) to form several partitions by drawing the bend line (3);

[0039] Step 2: Calculate the bending angle:

[0040] A=180°-Z / n;

[0041] A-bending angle, unit is degree, Z-cone angle, unit is degree, n-number of partitions (that is, n=number of bending lines+1);

[0042] Step 3: The bending part (1) of the upper die of the bending machine is a circular arc with a radius greater than 9mm, and the unfolded material (2)...

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Abstract

The invention relates to a machining method for rolling a cone cylinder through a bending machine, and belongs to the technical field of plate rolling machining. The problems that due to the adoption of a three-roller plate bending machine, the machining procedure is complex, and raw materials are wasted are solved. Comprising the following steps that an unfolded material is blanked, and the unfolded material is divided into a plurality of subareas by carving bending lines; calculating a bending angle; a bending machine is used for sequentially bending according to a bending line, and the bending angle is A; and conical cylinder forming. According to the method, the bending machine is used for rolling the conical cylinder, the unfolded material is directly measured, allowance does not need to be increased, one-time forming is achieved, the two sides of the unfolded material can be bent, raw materials are saved, the procedures of allowance reserving and allowance removing are reduced, operation is easy, and the working efficiency is improved.

Description

technical field [0001] The invention relates to a processing method for a bending machine coiling cone, which belongs to the technical field of plate coiling processing. Background technique [0002] Superalloy sheet has high high temperature strength, good oxidation resistance and corrosion resistance, good fatigue performance, fracture toughness, etc. Superalloy is a single austenite structure, which has good stability and reliability at various temperatures High temperature alloy has a large amount of springback when it is rolled, the size of the roll is not easy to control, and the amount of deformation is large, especially for cone rolls, the amount of springback leads to inaccurate processing accuracy. The existing technology uses a three-roll plate rolling machine, and adopts the method that the three rolls are all cone rolls to roll the high-temperature alloy sheet. When cutting the material, the two sides of the high-temperature alloy sheet need to leave a margin. I...

Claims

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Application Information

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IPC IPC(8): B21D5/02B23P15/00
CPCB21D5/0209B23P15/00
Inventor 孙德权
Owner 航天科工哈尔滨风华有限公司