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Gear tooth profile error detecting device

An error detection and gear tooth profile technology, applied in the field of precision measurement, can solve the problems of high manufacturing cost, technical difficulty threshold, difficult promotion, complex system structure, etc., to achieve great convenience and operability, and avoid test installation errors , The effect of eliminating the secondary clamping error

Pending Publication Date: 2018-09-21
CHONGQING MACHINE TOOL GROUP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Inadequacies of the existing technology: the existing gear testing instruments, including the gear testing center, are usually not suitable for the precision testing of large gears, especially for the tooth profile testing of large involute gears, there is no general tooth profile testing instrument
The existing technology is generally to add an on-machine detection system to the precision large-scale gear processing machine tool. The system structure is complex, and the requirements for the machine tool's own mechanical precision and motion control precision are extremely high. The high manufacturing cost and technical difficulty threshold make it difficult to popularize.
Usually, the detection of large involute gear tooth profile accuracy items is very inconvenient to realize

Method used

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Embodiment Construction

[0020] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings; it should be understood that the preferred embodiments are only for illustrating the present invention, rather than limiting the protection scope of the present invention.

[0021] Such as figure 1 , 2 , shown in 4, a kind of gear tooth shape error detection device, comprises fixed support 1, angle encoder 2, measuring head 4, servo motor 5, micrometer sensor 6, telescoping rod 7 and industrial computer, described fixed support is used for The shell of the angle encoder is fixed so that when the encoder mandrel and the gear 3 rotate synchronously, the encoder shell remains stationary. The measuring head is connected with the micrometer sensor, the measuring head is arranged at the front end of the micrometer sensor, and the micrometer sensor is arranged at the front end of the telescopic rod, when the servo motor performs forward and rever...

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Abstract

The invention discloses a gear tooth profile error detecting device, and belongs to the technical field of precision measurement. The gear tooth profile error detecting device comprises a fixing bracket, an angle encoder, a probe, a servo motor, a micro sensor, a telescopic rod and an industrial computer, wherein the fixing bracket is used for fixing the casing of the angle encoder; the probe is connected with the micro sensor and is disposed at the front end of the micro sensor; the micro sensor is disposed at the front end of the telescopic rod; when the servo motor rotates forwards or backwards, the telescopic rod is driven to move forwards or backwards and the micro sensor moves forwards or backwards with the telescopic rod. The gear tooth profile error detecting device is used for detecting the tooth profile error of middle and large involute gears, and can directly detect the tooth shape error of a machined gear on an ordinary large gear hobbing machine.

Description

technical field [0001] The invention belongs to the technical field of precision measurement, and in particular relates to a gear tooth profile error detection device. The invention is especially used for detecting the tooth shape error measurement of large gears, and can directly detect the involute tooth shape error of the processed gear workpiece on the ordinary large gear hobbing machine. Background technique [0002] Involute tooth profile error is one of the main indicators affecting the stability of gear transmission, so tooth profile error is the most commonly used test item for gear accuracy. [0003] Inadequacies of the existing technology: the existing gear testing instruments, including the gear testing center, are usually not suitable for the precision testing of large gears, especially for the tooth profile testing of large involute gears, there is no general tooth profile testing instrument. In the existing technology, an on-machine detection system is genera...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B21/20
CPCG01B21/20
Inventor 刘代福李先广曾令万杨勇刘典邹政
Owner CHONGQING MACHINE TOOL GROUP
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