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Measuring method for transmission accuracy of gear pair

A transmission precision and gear pair technology, which is applied in the field of gear pair transmission precision measurement, can solve the problems of high cost of measuring devices, non-automated measurement, and low measurement accuracy, and achieve low cost, fast measurement speed, and good measurement accuracy.

Inactive Publication Date: 2009-09-30
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Problems solved by technology

[0004] In view of the problems of non-automatic measurement, low efficiency, low measurement accuracy and high cost of measurement devices in the current measurement of gear pair transmission accuracy

Method used

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  • Measuring method for transmission accuracy of gear pair
  • Measuring method for transmission accuracy of gear pair

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Embodiment Construction

[0023] The gear pair transmission accuracy measurement device is composed of three parts: the angle input platform, the angle output measurement platform and the computer test system. Support plate 6 and input platform triangular support 12 etc. are formed. The angle output measurement platform is made up of output angle sensor 15, output platform front support plate 17, output sensor support plate 18, output platform triangular support 23 and shielding cover.

[0024] The gear pair transmission accuracy measurement device uses a high-resolution angle sensor, which uses the working principle of a resolver and can achieve the equivalent of 19-bit absolute encoder measurement accuracy. Its cost performance is much higher than the encoder measurement method, and the sensor itself has no hysteresis error.

[0025] On the angle input platform, the "input angle sensor 1" is fixed on the "input platform bottom plate 4" through the "input sensor bracket plate 7", and the "input senso...

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Abstract

The invention relates to a gear pair transmission precision measurement method, which belongs to the technical field of gear pair transmission precision measurement. The method comprises the following steps: (a) the computer controls the rotation angle and speed of the servo motor (2) according to the speed ratio of the gear pair, and synchronously collects two sensor data of an input angle sensor (1) and an output angle sensor (15); (b ) The computer completes the sensor data peak removal, numerical filtering, and error curve profile extraction, and uses rectangular and polar coordinates to display the transmission error, return difference, and deviation trend of each point of the gear pair. The device and method have good reliability, fast measuring speed, high measuring precision and wide measuring range.

Description

technical field [0001] The method for measuring gear pair transmission precision of the invention belongs to the technical field of gear pair transmission precision measurement. Background technique [0002] The currently used gear pair transmission accuracy measurement often adopts the method of manual interpretation, such as installing two code discs on the input shaft and output shaft of the gear pair under test respectively, after zero calibration, then rotate the input shaft, and observe the output shaft in the setting Whether the deviation and hysteresis of the specified angles fall within the specified range, and judge whether the product is qualified. In order to improve the resolution and facilitate observation, a camera is also used to enlarge the scale of the code disc. This measurement method uses manual interpretation, which has low precision, complicated operation and long detection time. As introduced in the article "Measurement and Data Processing of Hyster...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M13/02
Inventor 赵敏姚敏顾伟
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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