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Ultra-long guide rail for three-coordinate measuring machine

A three-coordinate measuring machine and guide rail technology, applied in the field of ultra-long guide rails, can solve the problems of wide joints of divided guide rails, low utilization rate of Jinan blue granite resources, and many manual random factors, and achieves good straightness and simple structure. , the effect of low cost

Inactive Publication Date: 2014-01-22
浙江时代计量科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Most of the existing length measuring machines are single-axis or single-coordinate length measuring machines. There are many manual random factors, and the utilization rate of high-quality Jinan blue granite resources is scarce. The granite sub-rails are only supported by load-bearing jacks, and the ambient temperature changes. , the expansion and contraction of the guide rail causes random changes in flatness and straightness, and the joints of the divided guide rails are wider

Method used

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  • Ultra-long guide rail for three-coordinate measuring machine
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  • Ultra-long guide rail for three-coordinate measuring machine

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Embodiment

[0052] The ultra-long guide rail of the three-coordinate measuring machine of the present invention comprises a plurality of cuboids of high-precision granite material which are sequentially spliced ​​and connected and supported in place by a plurality of support bodies; The side bottom surface and two end surfaces, the secondary side is parallel to the main side; two stepped holes are respectively arranged on the combined end surfaces, and the main side and the secondary side of the sub-guide rail 11 in the middle area each have a pair of holes, and the small holes of the stepped holes pass through the The first wall of the square hole; the left end of the first sub-guide rail 19 and the right end of the end sub-guide rail 20 do not need stepped holes and square holes, such as Figure 8 .

[0053] The cuboid all corresponds to a bench-shaped front base 1 and a rear base 18. The upper bottom surface of the front base 1 has three threaded holes each equipped with a rigid adjust...

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Abstract

The invention discloses an ultra-long guide rail for a three-coordinate measuring machine. The ultra-long guide rail comprises branch guide rails and front and rear bases for the branch guide rails, wherein four bolt holes for arranging full-thread screws are formed in a lower bottom plate of each of the front and rear bases, and threaded holes are formed in vertical plates and upper bottom plates of the front and rear bases; an elastic adjusting bolt is arranged in one threaded hole of each vertical plate, and rigid adjusting bolts are arranged in the other threaded holes of each vertical plate; a square hole is formed in each of the two ends of each of main and auxiliary lateral surfaces of each branch guide rail, and a pair of stepped holes communicated with the corresponding square holes is formed in each of the front and rear end faces of each branch guide rail; springs are arranged in the stepped holes of the spliced end faces; the full-thread screws penetrate through the springs in the stepped holes; the two ends of the full-thread screws are positioned in the corresponding square holes respectively, and are locked by nuts. The ultra-long guide rail is high in planeness accuracy, straightness and splicing seam bonding accuracy, strong in splicing seam bonding strength, small in bonding seam thickness, simple in structure, easy to assemble, free of maintenance and low in cost, influence on accuracy when air bearings pass through bonding seams is avoided, and the accuracy, comprising the planeness and the straightness, of the guide rail is kept unchanged when temperature is changed.

Description

technical field [0001] The invention relates to an ultra-long guide rail of a three-coordinate measuring machine, which is used for supporting and splicing in place the ultra-long guide rail of the three-coordinate measuring machine with a single-axis travel range of tens of meters or even hundreds of meters. Background technique [0002] Ultra-long measurement benchmarks, such as steel tape rulers, and the measurement of the dimensions and position accuracy of ultra-long parts require a single-axis, ultra-long travel range, and high-precision three-coordinate measuring machine. The supporting guide rail for single-axis movement is composed of multiple super-finishing sub-rails, seam bonding and other connection methods and supporting sub-rail support and guide devices. The flatness of the top surface of the super-long guide rail and the main side, the consistency of the angle between the top surface of the super-long guide rail and the main side, the parallelism of the seco...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B21/00
Inventor 曲殿光陈建新牛刚谢黎
Owner 浙江时代计量科技有限公司
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