Method for processing keyway through helical gear
A processing method and technology of helical gears, applied in the field of mechanical processing, can solve the problems of poor versatility, complicated tooling production process, high cost, etc., and achieve good versatility, simple processing and production process, and reduce production costs.
Active Publication Date: 2016-03-02
CHANGZHOU TIANSHAN HEAVY IND MACHINERY
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Generally, there are two processing methods: one is to use the machine tool to engrave the line, and then use the wire cutting method to process the keyway according to the center line engraved by the machine tool; the other method is to design a special tooling, which is different from the first method. The accuracy of the method is relatively high, but the manufacturing process of the tooling is complicated and expensive, and the specificity of the tooling is relatively strong, and the versatility is poor
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[0017] The present invention will now be further described in conjunction with the accompanying drawings and preferred embodiments. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.
[0018] like figure 1 A processing method for the helical gear pair keyway is shown, which is suitable for accurately positioning the position of the keyway in the inner hole according to the characteristics of the helical gear, including the following steps:
[0019] 1) A welded steel plate 2 is welded on the non-fitting surface of the finished helical gear part 1 . The welded steel plate 2 has a certain thickness and length, and there is no strict accuracy requirement for the installation position.
[0020] 2) Insert the pitch round rods 4 symmetrically into the tooth grooves 3 on both sides of the required pair of teeth of the pro...
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The invention discloses a method for processing a keyway through a helical gear. The method comprises the steps of mounting a welding steel plate on the non-matching surface of a helical gear part; milling a reference plane through a planer type milling machine; and aligning the axis of the helical gear part according to the reference plane, so as to process the keyway. The method has relatively good universality, the location accuracy of the keyway position is high, the processing and manufacturing process is simple, the welding steel plate loss is less and can be reused, and the production cost is reduced while the production efficiency is improved.
Description
technical field [0001] The invention relates to the field of mechanical processing, in particular to a processing method for helical gear pair key grooves. Background technique [0002] A gear is a mechanical element with teeth on the rim that can continuously mesh to transmit motion and power. In mechanical manufacturing, gears are high-precision products. The tooth shape of the gear has precision requirements, especially the helical gear, and the keyway of the helical gear has precision requirements for the teeth. Generally, there are two processing methods: one is to use the machine tool to engrave the line, and then use the wire cutting method to process the keyway according to the center line engraved by the machine tool; the other method is to design a special tooling, which is different from the first method. The accuracy of the method is relatively high, but the manufacturing process of the tooling is complicated and the cost is high, and the specificity of the too...
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IPC IPC(8): B23P15/00
CPCB23P15/00
Inventor 肖圣亮牟杏华王晓冬杨智文陈思洁
Owner CHANGZHOU TIANSHAN HEAVY IND MACHINERY