Thin-wall part supporting device and milling stability forecasting method

A technology for supporting devices and thin-walled parts, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve the problems of prone to chattering, increasing manufacturing costs, affecting the surface quality of workpieces, etc.

Inactive Publication Date: 2015-05-27
BEIJING INSTITUTE OF TECHNOLOGYGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the weak rigidity of thin-walled parts, chatter is prone to occur during milling, which seriously affects the surface quality of the workpiece, reduces the service life of the machine tool and the tool, and may cause damage to the machine tool
Predict the chatter stability of the milling process, choose the appropriate processing conditions, can control the occurrence of chatter, improve processing efficiency, and reduce processing costs. At present, when predicting stability, it is necessary to obtain machi

Method used

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  • Thin-wall part supporting device and milling stability forecasting method
  • Thin-wall part supporting device and milling stability forecasting method
  • Thin-wall part supporting device and milling stability forecasting method

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Embodiment Construction

[0073] One, the embodiment of device of the present invention:

[0074] Such as Figure 4 , 5 As shown, a support device for thin-walled parts includes a support platform 3, a first loop 1, a second loop 2, an X-direction slide 5, a matching buckle 4 with a through hole 6, and a first slide 7 -1, the second slideway 7-2, the third slideway 8-1, the fourth slideway 8-2 and the supporting mechanism for fixing and supporting thin-walled parts;

[0075] The first ring road 1 and the second ring road 2 are concentric and sequentially arranged on the support table 3, and the X-direction slideway 5 is arranged on the support table 3 and passes through the first ring road 1 and the second ring road 2 The center of the circle, the first slideway 7-1 and the second slideway 7-2 are symmetrically arranged on both sides of the X-direction slideway 5, and the third slideway 8-1 and the fourth slideway 8-2 are symmetrically arranged on On both sides of the X-direction slideway 5, the mat...

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Abstract

The invention relates to the field of advanced manufacturing and particularly relates to a thin-wall part supporting device and a milling stability forecasting method. According to the thin-wall part supporting device, the support postures with different spatial shapes can be completed on a support table by cooperation between a matching button and a ring rail and between the matching button and a sliding rail; thin-wall parts can be effectively supported and fixed; more accurate modal parameters can be attained by clamping through the support device, so that the stability limit which is forecasted by using a radial basis function is more accurate; the thin-wall part supporting device is more suitable for production and is capable of providing reliably theoretical support for actual operators.

Description

technical field [0001] The invention relates to the field of advanced manufacturing, in particular to a supporting device for thin-walled parts and a method for predicting milling stability. Background technique [0002] As our country continues to integrate into the global market, the manufacturing industry is facing more and more competitive pressure. High-speed cutting technology has emerged and has been widely used in the manufacture of complex parts in the fields of aviation, aerospace, ships, molds and automobiles. Wall parts are typical complex parts, and they are used more and more in the industrial field. Due to the weak rigidity of thin-walled parts, chatter is prone to occur during milling, which seriously affects the surface quality of the workpiece, reduces the service life of the machine tool and the tool, and may cause damage to the machine tool. Predict the chatter stability of the milling process, choose the appropriate processing conditions, can control th...

Claims

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Application Information

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IPC IPC(8): G06F19/00
Inventor 刘志兵闫正虎王西彬王东前刘彪吕维维赵倩
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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