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Aerospace-grade ball grid precision machining system

A precision machining and aerospace-level technology, applied in the direction of metal processing equipment, metal processing machinery parts, manufacturing tools, etc., can solve the problems of interactive active parts that have not been seen in the application, and achieve the purpose of providing space processing range, improving processing efficiency, and processing smooth process effect

Active Publication Date: 2021-01-15
SUZHOU KEAIJIA AUTOMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the function of the ball grid to transmit signals has been known for a long time, and the use of the ball grid has a history of decades, but as an interactive active part, no application case has been seen.

Method used

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  • Aerospace-grade ball grid precision machining system
  • Aerospace-grade ball grid precision machining system
  • Aerospace-grade ball grid precision machining system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] The invention provides an aerospace-grade ball grid precision machining system, such as Figure 1-11 As shown, it includes a workbench 100, a rotary table 200, a linear displacement ball grid 300, a first angular displacement ball grid 400, an anti-backlash transmission system 500, a second angular displacement ball grid 600, a swing seat 700, a universal ball seat 800 and The swing assembly 900, the worktable 100 is moved and set on the rotary table 200, the linear displacement ball grid 300 measures the movement of the worktable 100, the rotary table 200 is rotated and set on the swing seat 700 through the anti-backlash transmission system 500, the first angular displacement ball The grid 400 measures the amount of rotation of the rotary table 200, the swing seat 700 is set on the universal ball seat 800 through the swing assembly 900, the second angular displacement ball grid 600 measures the swing amount of the swing seat 700, and the workpiece is fixed on the workbe...

Embodiment 2

[0067] On the basis of Example 1, as Figure 3-5 As shown, the backlash-free screw base 260 is divided into a first screw base 261 and a second screw base 262 according to the center, and several waist-shaped holes are opened on the outside of the first screw base 261 and the second screw base 262 263, the first screw seat 261 and the second screw seat 262 are installed on both sides of the screw seat hole 220 through the waist hole 263 through the nut, and after screwing the screw mandrel 230 into the gapless screw seat 260, The installation position of the screw-in screw 230 and the gap-free screw seat 260 is precisely adjusted. Usually, there is a gap between the screw-in screw 230 and the gap-free screw seat 260 that is threaded, and the screw-in screw 230 and the gap-free screw seat 260 The threaded side wall on one side of the backlash-free screw seat 260 is in contact, and the screw-in screw 230 is dragged to move in one direction. When the screw-in screw 230 moves in t...

Embodiment 3

[0069] On the basis of Example 2, such as Figure 9-11 As shown, according to the surface characteristics of the workpiece, in order to control the inclination process of the oscillating seat 700 according to the command, select the speed regulating gear 930 with a suitable pitch circle diameter, adjust the meshing state with the floating screw gear 920 and the power gear 940, Simultaneously, the matching mobile installation shaft 931 is positioned in the elongated through hole 731, so that the speed regulating gear 930 of corresponding size is installed in the swing assembly, and the speed regulating gear 930 is connected with the floating screw gear 920 and the power gear 940. Simultaneous meshing, specifically, if the curved surface of the workpiece has a small radian, increase the diameter of the speed regulating gear 930 to reduce the progress of the swing seat 700 and improve the machining accuracy of the curved surface; if the curved surface of the workpiece has a large ...

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Abstract

Disclosed is an aerospace-grade ball grid precision machining system, comprising a workbench (100), a rotating table (200), a linear displacement ball grid (300), a first angular displacement ball grid (400), a clearance elimination drive system (500), a second angular displacement ball grid (600), a swing seat (700), a universal ball seat (800) and a sway assembly (900). The workbench (100) is movably arranged on the rotating table (200). The linear displacement ball grid (300) measures the amount of movement of the workbench (100). The rotating table (200) is rotatably arranged on the swing seat (700) by means of the clearance elimination drive system (500). The first angular displacement ball grid (400) measures the amount of rotation of the rotating table (200). The swing seat (700) is arranged on the universal ball seat (800) in a swinging manner by means of the sway assembly (900). The second angular displacement ball grid (600) measures the amount of swing of the swing seat (700). Machined parts are fixed on the workbench (100). With the multi-dimensional operation and precision control of a machining machine, the machining efficiency and precision on machined parts are improved.

Description

technical field [0001] The invention relates to the technical field of precision machining, and more specifically, the invention relates to an aerospace-grade ball grid precision machining system. Background technique [0002] The ball grid is a displacement sensor developed in the 1970s. During the detection process of mechanical line displacement or angular displacement, the error of the ball itself is not continuous, but only a periodic phenomenon. Therefore, the control system of the ball grid sensor is If it can be clearly identified and eliminated, the measurement accuracy can be infinitely improved, and its error can also approach zero. At present, this kind of ball grid has been used in high-end equipment. With people's awareness and cost reduction, this ball grid will be popularized in industries and equipment that need to be measured, including aerospace equipment. [0003] In the direction of improving precision machining equipment, people focus on improving mach...

Claims

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Application Information

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IPC IPC(8): G01B7/00B23Q17/22
CPCB23Q17/22G01B7/00
Inventor 储建华高霞
Owner SUZHOU KEAIJIA AUTOMATION TECH CO LTD
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