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Processing method of weakly rigid I-shaped component

A processing method and technology with weak rigidity, applied in metal processing equipment, manufacturing tools, details of milling machine equipment, etc., to achieve the effect of minimizing cutting stress, efficient processing, and improving clamping rigidity

Active Publication Date: 2019-03-08
CHANGZHI QINGHUA MACHINERY FACTORY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] The present invention overcomes the deficiencies in the prior art, and the technical problem to be solved is: adopting the composite processing measures of steady-state processing with gradient gradual change of component stiffness and minimizing control of cutting stress, so as to realize anti-deformation and high-efficiency processing of weakly rigid I-shaped components Purpose

Method used

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  • Processing method of weakly rigid I-shaped component
  • Processing method of weakly rigid I-shaped component
  • Processing method of weakly rigid I-shaped component

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0080] A processing method for a weakly rigid I-shaped member, specifically comprising the following steps:

[0081] The first step, semi-finishing the upper and lower surfaces in the height direction

[0082] 1) The thickness direction of the clamping member of the flat vise;

[0083] 2) Semi-finishing the upper surface in the height direction

[0084] The φ100mm end face toothed disc milling cutter processes the upper surface in the height direction, the speed is 570r / min, the feed rate is 190mm / min, the depth of cut is 2mm, and a margin of 0.5mm is left for the upper surface in the height direction;

[0085] 3) Flip clamping;

[0086] 4) Semi-finishing the lower surface in the height direction

[0087] The φ100mm end face toothed disc milling cutter processes the lower surface in the height direction, the speed is 570r / min, the feed rate is 190mm / min, the depth of cut is 2mm, and a margin of 0.5mm is left for the lower surface in the height direction;

[0088] The secon...

Embodiment 2

[0127] A processing method for a weakly rigid I-shaped member, the specific steps are the same as those in Embodiment 1, except for the following changes.

[0128] In the first step step 2), the milling cutter speed is 600r / min, the feed rate is 200mm / min, the depth of cut is 2mm, and a margin of 0.8mm is left on the upper surface in the height direction;

[0129]In step 4) of the first step, the milling cutter speed is 600r / min, the feed rate is 200mm / min, the depth of cut is 2mm, and a margin of 0.8mm is left on the lower surface in the height direction;

[0130] In the second step step 2), the milling cutter rotates at 600r / min, the feed rate is 200mm / min, the depth of cut is 2mm, and a margin of 2.2mm is left for the front side in the thickness direction and the front side of the two lug ribs 2;

[0131] In the second step step 3), the rotation speed of the milling cutter is 3000r / min, the feed rate is 1500mm / min, the depth of cut is 1mm, and a margin of 2.2mm is left on t...

Embodiment 3

[0144] A processing method for a weakly rigid I-shaped member, the specific steps are the same as those in Embodiment 1, except for the following changes.

[0145] In the first step step 2), the milling cutter speed is 630r / min, the feed rate is 210mm / min, the depth of cut is 2mm, and a margin of 1mm is left on the upper surface in the height direction;

[0146] In step 4) of the first step, the milling cutter speed is 630r / min, the feed rate is 210mm / min, the depth of cut is 2mm, and a margin of 1mm is left on the lower surface in the height direction;

[0147] In the second step step 2), the milling cutter speed is 630r / min, the feed rate is 210mm / min, the depth of cut is 2mm, and a margin of 2.5mm is left for the front side in the thickness direction and the front side of the two lug ribs 2;

[0148] In the second step step 3), the milling cutter speed is 3100r / min, the feed rate is 1560mm / min, the depth of cut is 1mm, and a margin of 2.5mm is left on the left and right sid...

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Abstract

The invention relates to a processing method of a weakly rigid I-shaped component, and belongs to the technical field of machining, in particular to a processing method of a long and thin thin-walledhigh-strength component; and the goal of performing anti-deformation efficient processing on the weakly rigid I-shaped component is achieved by employing a combined processing measure of component rigidity-gradient steady-state processing and minimum control over cutting stress. The employed technical solution is that the processing method of the weakly rigid I-shaped component comprises the following steps of a clamping step: clamping with a double-parallel jaw vice; and a processing step: processing the weakly rigid I-shaped component in sequence of processing from two ends to the center byemploying a processing way of high-speed milling; moreover, when a groove in an I-shaped structure is processed, two technology grooves are firstly milled at a high speed; and the technology grooves are the two end parts of the groove in the I-shaped structure. The processing method disclosed by the invention is used for processing the weakly rigid I-shaped component.

Description

technical field [0001] The invention relates to a processing method of a weakly rigid I-shaped member, which belongs to the technical field of mechanical processing, and in particular relates to a processing method of a slender, thin-walled and high-strength member. Background technique [0002] like Figure 1-Figure 3 As shown, a weakly rigid I-shaped member is elongated as a whole, with flat lugs at both ends. There are steps on the lugs, and arc-shaped lug grooves on the steps. The two lugs are connected to the middle body of the member. Each part is provided with a lug reinforcing rib, and the cross-section of the body part between the two lug reinforcing ribs is I-shaped, and there are multiple lightening holes on the web. The specific structural parameters are shown in the table below. [0003] Table 1 Structural parameters of a weakly rigid I-shaped member [0004] [0005] It can be seen from Table 1 that the characteristics of this component are: [0006] 1. T...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23C3/00
CPCB23C3/00
Inventor 艾敏王威魏武高扬上官洛奎张岩波金继光才冬涛骆新营杨艳玲
Owner CHANGZHI QINGHUA MACHINERY FACTORY
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