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Blisk composite numerical-control milling folded-structured machine tool

A technology of integral blisk and CNC milling, which is applied in the direction of milling machine equipment, milling machine equipment details, metal processing machinery parts, etc., can solve the problem of low efficiency of the overall blisk

Inactive Publication Date: 2015-07-22
NORTHWESTERN POLYTECHNICAL UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the inefficiency of the existing general-purpose five-coordinate machine tool for machining blisks with low efficiency, the present invention provides a composite CNC milling and folding structure machine tool for blisks

Method used

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  • Blisk composite numerical-control milling folded-structured machine tool
  • Blisk composite numerical-control milling folded-structured machine tool
  • Blisk composite numerical-control milling folded-structured machine tool

Examples

Experimental program
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Effect test

Embodiment Construction

[0021] The following examples refer to Figure 1~4 .

[0022] The integral blisk composite CNC milling folding structure machine tool of the present invention includes a disk milling device 7 , a plunge milling and side milling device 5 , a fixture 10 , a rotary table 11 , a horizontal table, a bed base 20 and a column 22 .

[0023] The machine tool has an L-shaped structure as a whole, and the column 22 is installed on the rear end of the bed base 20 with screws, constraining six degrees of freedom. The Z-axis machine guide rail 4 is stuck on the Z-axis machine tool ram 3, and the Z-axis machine tool ram 3 is installed on the front end of the column 22 with screws. The plunge milling and side milling device 5 passes through the Z-axis ball screw nut pair 2 and the Z-axis machine tool guide rail. 4 is connected with the Z-axis machine tool ram 3, and finally connected with the machine column 22 to become one. The Z-axis servo motor 1 is installed on the top of the column 22,...

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Abstract

The invention discloses a blisk composite numerical-control milling folded-structured machine tool used for solving a technical problem of low efficiency of a current general blisk processing method employing a five-coordinate machine tool. The invention provides a technical scheme that a disc milling device (7) is added on the basis of plunge and side milling devices (5). According to the invention, disc milling, plunge milling, and side milling technologies are highly integrated. Disc milling is used in large margin resection and grooving processing. Plunge milling is used in groove expansion processing and curved surface forming. Side milling is used in semi-finishing, and edge-trimming. With a large-torque high-rigidity disc milling / plunge milling double power head structure, the blisk high-efficiency high-power composite numerical-control milling machine tool is formed. With the machine tool, one-step fixture positioning is realized, and blisk rough processing and semi-finishing can be achieved.

Description

technical field [0001] The invention relates to a numerically controlled milling machine tool for integral blisks, in particular to a machine tool with composite numerically controlled milling and folding structure for integral blisks. Background technique [0002] The blisk is the core component of a high-thrust-to-weight ratio, high-performance engine, and it is also a key part for weight reduction, efficiency increase and performance improvement of major equipment in the fields of aerospace, defense, energy, and power. Compared with the traditional blade and hub assembly structure, the integral blisk omits the tenon, tenon groove and corresponding connecting parts, reduces the weight, improves the thrust-to-weight ratio, and improves the working life, safety and reliability of the engine. However, due to its structure Complexity, narrow passages, poor openness, etc., make its manufacturing technology an international problem. Therefore, realizing high-efficiency, high-qu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23C3/00B23Q1/26B23Q5/40
Inventor 史耀耀辛红敏张军锋赵盼吴广李志山宁立群
Owner NORTHWESTERN POLYTECHNICAL UNIV
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