Pulse electrochemical polishing processing method for gear teeth face
A technology for finishing and gear teeth, which is applied in the direction of gear teeth, belts/chains/gears, components with teeth, etc. It can solve the problems of grinding wheel and honing wheel loss, easy clogging, and increased production costs.
Inactive Publication Date: 2006-04-05
周锦进
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Problems solved by technology
Among them, the shaving process has a higher processing efficiency, but it is mainly used for soft tooth surface processing, and the economic roughness value that can be achieved is relatively high. The grinding and honing methods can process hard tooth surface gears, and the economic roughness that can be achieved is It is also relatively low, but the gear grinding equipment and honing equipment are complex in structure and expensive. During the processing, the grinding wheel and honing wheel are worn out and easily blocked, and they need to be repaired frequently
[0003] For gears with lower tooth surface roughness requirements, tooth polishing or grinding processes are usually used. To obtain tooth surfaces with extremely low roughness, very fine abrasives must be used. Reduced grit size of replacement abrasives, which increases production costs
Especially for large and extra-large gears, it is difficult to meet the finishing requirements under the premise of ensuring production efficiency
Therefore, the polishing or grinding process is currently only used on gears with high quality requirements
Method used
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[0014] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0015] Such as figure 1 As shown, a cathode tool 1 corresponding to the tooth shape of the gear to be processed is connected to the negative pole of the pulse power supply 4, and the gear workpiece 2 is connected to the positive pole of the power supply. Liquid 3, an electrochemical action occurs on the tooth surface to level the tooth surface, and another example figure 2 As shown, when one tooth is processed, the indexing mechanism 6 of the workpiece gear drives the workpiece gear to rotate through a certain angle, and the next tooth is processed, and each tooth is processed in turn. . In addition, the movement of the cathode tool along the tooth direction is realized by a set of linear motion mechanism 5 that can change speed during the movement. The output voltage provided by the pulse power supply can be controlled, and the voltage chan...
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Abstract
This invention discloses one method to adopt impulse chemical process gear plane, wherein, The negative electrode takes same shape of part gear 2 with contracted circle with width less than part gear; in processing, impulse power positive electrode connects part gear; work gear and negative electrode are passed by electrolytic solution; the gear plane and negative toll generate electric and chemical action to flatten the gear; negative toll sweeps the gear for once; after one process, the division device drives gear rotate to certain angle; In the process, the speed or process current density changes through control negative electrode to realize the different part and to realize dump gear process.
Description
Technical field: [0001] The invention relates to a finishing method for the tooth surface of a metal gear. Background technique: [0002] At present, the final processing methods of gear tooth surfaces widely used in actual production mainly include shaving, grinding and honing. The economic roughness Ra value of the shaving tooth surface is about 1.6μm~0.8μm, the economic roughness Ra value of the grinding tooth surface is about 0.8μm~0.2μm, and the economic roughness Ra value of the honing tooth surface is about 0.4μm ~0.2 μm. Among them, the shaving process has a higher processing efficiency, but it is mainly used for soft tooth surface processing, and the economic roughness value that can be achieved is relatively high. The grinding and honing methods can process hard tooth surface gears, and the economic roughness that can be achieved is It is also relatively low, but the gear grinding equipment and honing equipment are complex in structure and expensive. During the p...
Claims
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IPC IPC(8): B23H9/02B23F19/00
Inventor周锦进
Owner周锦进