A method for detecting centering error of herringbone gear
A herringbone gear, error detection technology, applied in measuring devices, mechanical measuring devices, instruments, etc., can solve problems such as low detection efficiency, and achieve the effect of improving detection efficiency
Active Publication Date: 2022-05-27
DALIAN UNIV OF TECH
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Problems solved by technology
[0003] In order to overcome the low efficiency of herringbone gear centering error detection in the prior art, the present invention proposes a method for detecting herringbone gear centering errors. On the basis of the accumulated error, the centering error of all the teeth of the herringbone gear is obtained through the centering error detection data and geometric relationship of a pair of teeth, so as to realize the efficient detection of the centering error of the herringbone gear
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[0017] In order to better illustrate the technical solutions of the present invention, the present invention will be further described below with reference to the accompanying drawings and specific implementation cases.
[0018] The goal of this implementation case is to efficiently obtain the centering error of all the teeth of the herringbone gear through the cumulative error of the tooth pitch of the left and right-handed teeth of the herringbone gear 1 and the centering error of a single tooth. The specific implementation steps are as follows:
[0019] Step 1: Mark I on any pair of left and right-handed gear teeth on the herringbone gear, such as figure 1 shown as the first gear tooth detected as the cumulative error of the pitch and the alignment error;
[0020] Step 2: Place the herringbone gear 1 on the gear measuring instrument, take the marked gear tooth as the first detected gear tooth, and detect the cumulative error of the tooth pitch of the left-handed gear and th...
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The invention belongs to the technical field of precision detection of herringbone gears, and discloses a method for detecting centering errors of herringbone gears. The method is based on the cumulative error detection of a left and right spiral gear tooth pitch of a herringbone gear, through a pair of left and right spiral gear teeth. The centering error detection data and geometric relationship are used to obtain the centering error of all the teeth of the herringbone gear, and to realize the efficient detection of the centering error of the herringbone gear, including the steps of: marking any pair of left and right spiral teeth on the herringbone gear as The first gear tooth for tooth pitch cumulative error and centering error detection; respectively detect the tooth pitch cumulative error of left-handed gear and right-handed gear on the gear measuring instrument; determine the middle reference plane of the herringbone gear on the three-coordinate measuring instrument, Establish a coordinate system and detect the centering error of a pair of teeth; based on the cumulative error of the tooth pitch of the left-handed gear and the centering error of one tooth, the centering error of all the teeth can be obtained.
Description
technical field [0001] The invention belongs to the technical field of herringbone gear accuracy detection, and in particular relates to a method for detecting a centering error of a herringbone gear. Background technique [0002] Herringbone gears have the advantages of strong bearing capacity, stable transmission, and offset axial force, and are widely used in ships, aviation, heavy machinery and other fields. The teeth of the herringbone gear are a pair of helical surfaces with opposite directions of rotation. During the machining process, manufacturing errors such as centering error, cumulative pitch error, and tooth surface error will inevitably occur, which will affect the transmission accuracy of the herringbone gear. and dynamic performance. At present, the centering error of the herringbone gear is generally detected by a three-coordinate measuring instrument, and the manufacturing errors such as the accumulated pitch error and tooth surface error are detected by t...
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IPC IPC(8): G01B5/008G01B5/252
CPCG01B5/008G01B5/252
Inventor 张楚董惠敏王德伦王智
Owner DALIAN UNIV OF TECH