Mirror milling of thin-walled parts with variable stiffness fluid-solid hybrid follow-up support device

A technology of mirror milling and support device, applied in milling machine equipment, milling machine equipment details, metal processing equipment, etc., can solve the problems of inability to support large thin-walled parts, processing space constraints, and not as solid support devices, and achieve the realization of variable stiffness initiative. The effect of vibration suppression, indentation reduction and scratch avoidance

Active Publication Date: 2021-09-21
SHANGHAI JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the support device in the above patent document is fixed together with the milling end, which is limited by the processing space and cannot support large thin-walled parts.
This patent document adopts a single fluid support, the support force is small, the rigidity is weak, and the effect of suppressing vibration and reducing deformation is sometimes even inferior to that of a solid support device, and the device does not have the functions of real-time measurement and active vibration suppression

Method used

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  • Mirror milling of thin-walled parts with variable stiffness fluid-solid hybrid follow-up support device
  • Mirror milling of thin-walled parts with variable stiffness fluid-solid hybrid follow-up support device
  • Mirror milling of thin-walled parts with variable stiffness fluid-solid hybrid follow-up support device

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Embodiment Construction

[0046] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several changes and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0047] Such as Figure 1 to Figure 4 As shown, the wall mirror milling variable stiffness fluid-solid mixing follow-up support device provided by the present invention includes a shell assembly 1, a contact support assembly 2 and a liquid flow non-contact measurement support assembly 3;

[0048] The shell assembly 1 is located on the outside of the device, and is used to protect the internal mechanism of the device and support and fix the internal mechanism. The shell assembly 1 includes a support shel...

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Abstract

The invention provides a thin-walled part mirror milling variable stiffness fluid-solid mixed follow-up support device, including a shell component, a contact support component and a liquid flow non-contact measurement support component, wherein: the shell component is opposite to the contact support component and the liquid flow The flow non-contact measurement support assembly is used for protection, fixing, and support; the contact support assembly includes a ball support head, which supports the workpiece in contact; the liquid flow non-contact measurement support assembly includes a nozzle, and the nozzle performs non-contact to the workpiece. support. The invention is used to solve the deformation and vibration problems in the mirror milling process of large thin-walled parts. The device adopts a fluid-solid mixed support method, which can not only provide sufficient support force, but also prevent indentation and scratches on the support surface of the workpiece. The device has the function of real-time thickness measurement, and can realize active vibration suppression with variable stiffness by adjusting cylinder pressure and liquid pressure.

Description

technical field [0001] The invention relates to the field of thin-walled parts processing, in particular to a variable-rigidity fluid-solid mixing follow-up support device for thin-walled parts through mirror image milling. Background technique [0002] Large thin-walled parts have the characteristics of large size, thin wall thickness and low rigidity, and are prone to chatter and deformation during processing. The traditional chemical milling method for processing thin-walled parts has the disadvantages of low efficiency, large pollution and low precision. Mirror milling developed in recent years has become a new green, efficient and high-precision thin-walled processing method instead of chemical milling. The mirror milling process arranges synchronously moving processing head and support head on both sides of the workpiece, and then locally supports the processing area of ​​the weak rigid part during the processing, reduces the processing vibration and deformation of th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23C9/00B23C3/00
CPCB23C3/00B23C9/00
Inventor 毕庆贞董浩琪欧阳罗辉
Owner SHANGHAI JIAOTONG UNIV
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