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Processing method for T-shaped thin-walled parts

A processing method and technology of thin-walled parts, applied in the field of parts processing, can solve the problems of time-consuming and laborious loading and unloading of parts, unstable parts quality, easy deformation of thin-walled parts, etc., to reduce loss and processing costs, good symmetry, eliminate Effects of deformation of thin-walled parts

Active Publication Date: 2015-04-22
中国航发湖南南方宇航工业有限公司
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Problems solved by technology

Such as T-shaped thin-walled parts, the part base is thin-walled, and the thin-walled base is clamped with conventional soft claws or vices during milling. The thin-walled parts are easily deformed during processing, and the quality of the processed parts is unstable; followed by part loading and unloading Time-consuming and labor-intensive, the processing steps are cumbersome, and the processing efficiency is low; secondly, loading and unloading such parts requires skilled professional skills

Method used

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  • Processing method for T-shaped thin-walled parts
  • Processing method for T-shaped thin-walled parts
  • Processing method for T-shaped thin-walled parts

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Embodiment Construction

[0022] The processing method of T-type thin-walled part of the present invention, processing step is as follows:

[0023] a. Select the cutting tool: According to the groove depth C of the T-shaped thin-walled part to be processed is 12.5mm, the part height H is 30mm, the groove width W is 24mm, and the diameter of the milling cutter is 22mm, choose a three-edged tapered shank for rough machining Milling cutter and finishing milling cutter, the roughness of the cutting edge of the finishing milling cutter is Ra0.3.

[0024] b. On the CNC machine tool, set the groove depth C of the part to 12.5 mm, the thickness of the rough machining layer to 2 mm, the number of rough machining layers to 6 layers, the groove width W to 24 mm and the finishing allowance to 0.5 mm.

[0025] c. Set the linear speed and cutting feed of CNC machine tool spindle rotation. The linear speed and cutting feed of rough machining are 200m / min and 70mm / min respectively, and the linear speed and cutting fee...

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Abstract

The invention relates to a processing method for T-shaped thin-walled parts. The main point lies in that: a low feed layer-by-layer processing method adopting cushion block supporting and vice paired clamping, and combining rough machining and finish machining is employed to process the T-shaped thin-walled parts. The processing method is convenient to load and unload parts, simplifies loading-unloading and processing procedure, and reduces the labor intensity of part loading and unloading, the processing process is simple, and parts are difficult to deform during loading-unloading processing. The method employs a low feed layered milling and rigid clamping mode, and rough machining and finish machining combined stepwise layer-by-layer processing, reduces the vibration of cutting tools and parts, improves the processing efficiency of T-shaped thin-walled parts, has stable processing quality stable and good reliability, lowers the loss and processing cost of cutting tools, and is suitable for large-scale production and processing.

Description

technical field [0001] The invention relates to a processing method of a part, in particular to a processing method of a T-shaped thin-walled part. Background technique [0002] With the continuous improvement of product performance requirements in the mechanical design industry, the increase in the number of thin-walled parts has gradually become a trend in the machinery manufacturing industry, and the processing quality and precision requirements for thin-walled parts are also getting higher and higher. Such as T-shaped thin-walled parts, the base of the part is thin-walled, and the thin-walled base is clamped with conventional soft jaws or vices during milling. The thin-walled parts are easily deformed during processing, and the quality of the processed parts is unstable; followed by parts loading and unloading Time-consuming and labor-intensive, the processing steps are cumbersome, and the processing efficiency is low; secondly, loading and unloading such parts requires ...

Claims

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Application Information

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IPC IPC(8): B23C3/00B23Q3/06
CPCB23C3/00B23Q3/065B23Q3/066
Inventor 刘翔郭端霞肖晖
Owner 中国航发湖南南方宇航工业有限公司
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