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Coaxiality processing device and processing method of high-precision rotary frame

A technology of processing device and rotary frame, applied in positioning devices, metal processing equipment, metal processing mechanical parts, etc., can solve the problems of unsatisfactory coaxiality accuracy, affecting hole processing accuracy, low speed of boring machine, etc. Processing accuracy and product quality, improve processing efficiency, and facilitate the effect of processing and manufacturing

Active Publication Date: 2017-08-11
HUBEI SANJIANG AEROSPACE WANFENG TECH DEV
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Problems solved by technology

[0002] The rotary frame is widely used in high-precision products such as three-dimensional turntables. Its rotary accuracy is mainly guaranteed by the coaxiality accuracy of a group of central shaft holes. The level of coaxiality accuracy affects the final performance of the product. The coaxiality accuracy of the high-precision rotary frame Generally at the micron level, at present, a boring machine with a rotary table is usually used to process a high-precision rotary frame. Due to the limitation of the rotary accuracy of the rotary table, it needs to be checked many times for alignment; the radial runout of the spindle also affects the machining accuracy of the hole. The coaxiality accuracy often fails to meet the requirements; and the boring machine has low speed and low efficiency

Method used

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Embodiment Construction

[0021] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0022] The coaxiality processing device of the high-precision rotary frame of the present invention, such as Figure 1-7 As shown, it includes a workbench 1 (T-slot workbench), a positioning mandrel 2 installed on the workbench 1 through a fixing bolt 4 and a corresponding T-slot nut 5, arranged on the machine tool spindle and connected with the positioning mandrel 2 corresponding to the boring tool 7, wherein the positioning mandrel 2 is provided with a positioning round table 2.5, the side of the positioning round table 2.5 is a positioning surface 2.1, and the positioning round table 2.5 is used to be inserted into the positioning hole 6.1 at one end of the rotary frame 6, The positioning mandrel 2 is provided with a pressing bolt 3 for pressing the positioning mandrel 2 and the rotary frame 6, and the boring tool 7 is located at the other en...

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Abstract

The invention relates to a coaxiality machining device for a high precision rotary frame. The coaxiality machining device comprises a workbench, a positioning mandrel installed on the workbench through a fixing bolt and a corresponding T-shaped groove nut and a boring tool arranged on a machine tool main shaft and corresponding to the positioning mandrel; a positioning circular truncated cone is arranged on the positioning mandrel, the side face of the positioning circular truncated cone is the positioning face, and the positioning circular truncated cone is sleeved with a positioning hole in one end of the rotary frame; a compression bolt used for compressing the positioning mandrel and the rotary frame is arranged on the positioning mandrel, and the boring tool is located at the other end of the rotary frame. According to the coaxiality machining device and machining method for the high precision rotary frame, not only is the machining efficiency of the rotary frame coaxiality improved, but also the machining precision and the production quality are guaranteed.

Description

technical field [0001] The invention relates to the technical field of mechanical processing, in particular to a coaxiality processing device and processing method of a high-precision revolving frame. Background technique [0002] The rotary frame is widely used in high-precision products such as three-dimensional turntables. Its rotary accuracy is mainly guaranteed by the coaxiality accuracy of a group of central shaft holes. The level of coaxiality accuracy affects the final performance of the product. The coaxiality accuracy of the high-precision rotary frame Generally at the micron level, at present, a boring machine with a rotary table is usually used to process a high-precision rotary frame. Due to the limitation of the rotary accuracy of the rotary table, it needs to be checked many times for alignment; the radial runout of the spindle also affects the machining accuracy of the hole. The coaxiality accuracy often fails to meet the requirements; and the boring machine ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23Q3/06B23B41/00
CPCB23B41/00B23Q3/062
Inventor 马柯马珣吉晓阳杨普文万洋谢建华文宇飞
Owner HUBEI SANJIANG AEROSPACE WANFENG TECH DEV
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