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High-precision angular indexing dynamic measuring spindle system

A dynamic measurement and angular indexing technology, applied in the direction of measuring devices, measuring instrument components, instruments, etc., can solve the problem of difficult to achieve micron-level accuracy, inability to angular indexing measurement and high-precision angular indexing measurement, single function, etc. To solve the problem, to achieve the effect of concise system working link, high rotation accuracy of main shaft system, and high accuracy of circumferential indication value

Active Publication Date: 2009-12-23
贵阳新天光电科技有限公司
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AI Technical Summary

Problems solved by technology

[0002] In common applications, the spindle system is usually called "headstock". Its common disadvantages are: ① Generally, it is only used as a fulcrum for tightening the workpiece or coupled with rotational power, and has a single function
② Due to structural design flaws, the precision of the spindle is not high, generally only in the filament precision, it is difficult to achieve micron-level precision
③Usually cannot perform angular indexing measurement or cannot perform high-precision angular indexing measurement
⑤Cannot perform dynamic measurement
⑥Usually can not carry out computer automatic control operation
⑧Cannot be given as the reference amount of rotation

Method used

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Embodiment Construction

[0020] Such as figure 1 , figure 2 As shown, the drive system is composed of drive motor 1, reducer 2 and pinion gear set 4. Given the rated speed and corresponding driving torque under computer control, this driving system can obtain a larger reduction ratio by combining with the large gear set 6, so that a larger driving torque can be obtained.

[0021] The dense ball bearing system with precision grating disc is composed of large gear set 6, precision grating disc 7, dense ball bearing set 8, dial set 9, Morse top 11 and spindle 12. The mandrel 12 is assembled and fixed on the lower casing 18, and the center hole of the mandrel is tightly fitted with the Morse top 11, and the precision grating disc 7 is installed on the large gear set 6, and is set on the mandrel 12 through the dense ball bearing set 8, The dense bead shaft system can control the interference fit of the mandrel 12 through technological methods, so as to ensure that the precision grating disc 7 and the to...

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Abstract

The invention relates to a high-precision angular indexing dynamic measuring spindle system belonging to a precision measuring device. A mandrel (12) is fixed on a lower seat body (18), and the center is provided with a Mohs tip (11) ; a gearwheel set (6) is provided with a precision grating disc (7) which is sheathed on the mandrel by a ball bearing set (8); two sets of grating read heads (13) are arranged on the lower seat body (18) and are distributed diametrically to sample reading; a drive plate set (9), the precision grating disc (7) and the outer cover of the ball bearing set (8) are in rigid connection with the gearwheel set (6); a grip set (10) and a clamping workpiece (14) are arranged on the drive plate set (9), and a drive motor (1), a reducer (2) and a pinion wheel set (4) are arranged in an upper seat body (3) to form a drive system. The invention aims to provide the high-precision angular indexing dynamic measuring spindle system which has novel design, advanced technology, reliable structure and low manufacture cost and can be widely applied to precision measuring apparatus industry.

Description

Technical field: [0001] The invention relates to a precision measuring device, in particular to a high-precision angle-grading dynamic measuring spindle system. Background technique: [0002] In common applications, the spindle system is usually called "headstock", and its common disadvantages are: ① Generally, it is only used as a fulcrum for tightening the workpiece or coupled with rotational power, and has a single function. ② Due to structural design flaws, the precision of the spindle is not high, generally only in the filament precision, and it is difficult to achieve micron-level precision. ③Usually, it is not possible to perform angular indexing measurement or high-precision angular indexing measurement. ④The transmission torque is small. ⑤ Dynamic measurement cannot be performed. ⑥ usually can not carry out computer automatic control operation. ⑦ The scope of application is single. ⑧It cannot be given as the rotation reference amount. Invention content: [0...

Claims

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Application Information

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IPC IPC(8): G01D11/00
Inventor 胡列科
Owner 贵阳新天光电科技有限公司
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