Bearing unit for testing and controlling angular displacement of revolving platform

A technology of angular displacement and rotary table, which is applied in the direction of bearings, bearing components, bearings, etc. in rotating motion, can solve the problems of increased operation error and low rotation angular displacement accuracy, and achieves improved measurement accuracy, improved work accuracy, and convenient installation. Effect

Active Publication Date: 2010-08-11
SHIBIAI SPECIAL BEARING LUOYANG
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  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0002] At present, precision rotary tables are mainly used in the field of high-precision rotation and control, such as; CNC machine tools and CNC machining center rotary tables, tank turrets, radar rotary tables, surgical rotary tables, electronic component welding rotary tables, etc. These types of equipment require High transmission precision, and cooperate with high-precision bearings to complete each action. Therefore, in actual operation, due to fatigue and wear of the transmission parts, the precision will gradually decrease, and the operation error will gradually increase, resulting in Serious consequences. For this reason, people think of using elements such as sensors to combine with the stressed rotating parts of the equipment to detect parameters such as vibration, speed, tem

Method used

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  • Bearing unit for testing and controlling angular displacement of revolving platform
  • Bearing unit for testing and controlling angular displacement of revolving platform
  • Bearing unit for testing and controlling angular displacement of revolving platform

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Embodiment Construction

[0021] Such as figure 1 , figure 2 and image 3 As shown, a bearing unit for angular displacement measurement and control of a rotary table is mainly composed of a worktable 1, a support seat 2, a bearing body 3 between them, a control system 4, a driving device 5 and an angular displacement measuring device 6. The bearing body described above is composed of a moving ring 9 , a stationary ring 10 and a rolling element 11 , and the angular displacement measuring device 6 is composed of a magnetic scale 7 and a sensor 8 .

[0022] Such as figure 1 , figure 2 and image 3 shown, combined with Figure 4 and Figure 5 , a positioning surface I 13 is set on the bottom surface of the workbench 1, the moving coil 9 is fixed with the worktable 1 through the positioning surface I 13, a positioning surface II 14 is set on the top surface of the support seat 2, and the static ring 10 The positioning surface II 14 is fixed together with the supporting seat 2, the rolling body 11 i...

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PUM

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Abstract

The invention provides a bearing unit for testing and controlling the angular displacement of a revolving platform, which mainly consists of a work bedplate, a supporting seat, a bearing body arranged therebetween, a control system, a driving device and an angular displacement testing device, wherein the bearing body is formed by a moving coil, a static coil and a rolling body; and the angular displacement testing device is formed by a magnetic grid ruler and a sensor. The bearing unit has flexible and convenient installation, combines with the real-time test of a high-precision bearing, feeds an angular displacement signal back to a controlling system, and achieves the aim of closed-loop control. The work bedplate is driven by the driving device, a signal output end of the controlling system inputs the driving device, the angular displacement testing device immediately tests the angular displacement and inputs the signal to the controlling system when the work bedplate is rotated, and the controlling system controls the driving device to modify the angular displacement of the work bedplate.

Description

technical field [0001] The invention relates to a precision rotary table with measurement and control, in particular to a bearing unit for angular displacement measurement and control of the rotary table. Background technique [0002] At present, precision rotary tables are mainly used in the field of high-precision rotation and control, such as; CNC machine tools and CNC machining center rotary tables, tank turrets, radar rotary tables, surgical rotary tables, electronic component welding rotary tables, etc. These types of equipment require High transmission precision, and cooperate with high-precision bearings to complete each action. Therefore, in actual operation, due to fatigue and wear of the transmission parts, the precision will gradually decrease, and the operation error will gradually increase, resulting in Serious consequences. For this reason, people think of using elements such as sensors to combine with the stressed rotating parts of the equipment to detect par...

Claims

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Application Information

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IPC IPC(8): F16C19/50F16C41/00G01B7/30
Inventor 王迪郝希平梅建洛陈绍刚李培培
Owner SHIBIAI SPECIAL BEARING LUOYANG
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