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Five-axis linkage machine tool RTCP dynamic precision calibrating apparatus and calibrating method thereof

A five-axis linkage machine tool, dynamic precision technology, applied in the direction of mechanical measuring devices, adopting mechanical devices, measuring devices, etc., can solve the problems that affect the accuracy and efficiency of parameter compensation, very accurate, and unequal data, and achieve convenient and simple operation, Simple appearance, easy to pick and place

Active Publication Date: 2015-11-11
中工科安科技有限公司
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Problems solved by technology

Due to the constraints of the devices used in the current method, there are inevitable calculation errors and measurement geometric errors in the calibration or detection methods, so that the obtained data cannot be measured very accurately at one time, which affects the accuracy and efficiency of parameter compensation. It is also necessary to repeatedly perform detection and correction to evaluate and correct the accuracy error
[0004] Simultaneously, the inventor noticed that: there are individual writings mentioning that the special design device does not need to set up the dial indicator for many times, but it needs to repeatedly move the position of the dial indicator so that the dial indicator is aligned with the position of the ball for checking the ball. pole position, such a device also does not escape some of the limitations of conventional dial indicators used in current methods

Method used

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  • Five-axis linkage machine tool RTCP dynamic precision calibrating apparatus and calibrating method thereof
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  • Five-axis linkage machine tool RTCP dynamic precision calibrating apparatus and calibrating method thereof

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[0032] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0033] Please also refer to figure 1 and figure 2The RTCP dynamic precision calibration device for a five-axis machine tool proposed in a preferred embodiment of the present invention includes a bracket 3 and a surface-contact dial gauge 1 and a surface-contact dial gauge 2 installed on the bracket 3 .

[0034] The central axes of the two surface contact dial gauges are perpendicular to each other and in the same plane, and the device satisfies the following formula: d 1 = d 2 ≤r-3mm, where, d 1 is the distance from the measuring end face 11 of the surface-contact dial gauge-1 to the vertical ...

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Abstract

The invention discloses a five-axis linkage machine tool RTCP dynamic precision calibrating apparatus and a calibrating method thereof. The apparatus comprises a support, and a first face contact type dial gauge and a second face contact type dial gauge both arranged on the support. The central axes of the two face contact type dial gauges are perpendicular to each other and located in the same plane. The apparatus satisfies the following formula: d1=d2<=r-3mm. d1 is the distance between the measuring end face of the first face contact type dial gauge to the vertically intersecting point of the central axes of the two face contact type dial gauges. d2 is the distance between the measuring end face of the second face contact type dial gauge to the vertically intersecting point of the central axes of the two face contact type dial gauges. r is the bulb radius of a bulb test rod for calibration. By using the two face contact type dial gauges arranged on the support, the apparatus prevents complex equation solving processes, conventional dial gauge calculating errors and measuring geometric errors, and complex operations during a conventional calibration method using process. The calibration efficiency and the calibration precision are thus greatly improved. The invention further discloses a calibrating method for the five-axis linkage machine tool RTCP dynamic precision calibrating apparatus.

Description

technical field [0001] The invention relates to a five-axis linkage machine tool RTCP (RotationToolCenterPoint, five-axis linkage rotary tool point programming) dynamic precision calibration device and a calibration method. Background technique [0002] With the development of machine tool technology in China, high-precision, high-efficiency five-axis machine tools are increasingly used in aerospace, military, automobile and some civilian enterprises. Many domestic machine tool manufacturers have developed and produced five-axis machine tools . Whether it is when the machine tool manufacturer debugs the five-axis machine tool, or when the machine tool user regularly inspects or maintains the machine tool, the RTCP accuracy of the five-axis linkage machine tool is an extremely important accuracy index, especially the RTCP accuracy of the machine tool by the user. There are special and strict regular accuracy inspection specifications, because the RTCP accuracy of the machine...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B5/00
Inventor 刘新山文长明
Owner 中工科安科技有限公司
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