Gear shaving machining tooth form modification method

A technology of shaving cutter and concave tooth profile, which is applied in the field of involute gear tooth root modification, can solve the problems of poor gear meshing stability, affecting the performance of gears, affecting the performance of the whole machine, etc., so as to reduce gear meshing. Noise, good economic efficiency, easy operation effect

Inactive Publication Date: 2017-05-10
沈阳精力传动设备有限公司
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Problems solved by technology

[0004] The concave of the shaving tooth profile is one of the main precision faults in the shaving process, see Figure 5 , is a problem often encountered in gear shaving processing, which ma

Method used

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  • Gear shaving machining tooth form modification method
  • Gear shaving machining tooth form modification method
  • Gear shaving machining tooth form modification method

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Embodiment Construction

[0014] The present invention is a kind of involute gear dedendum modification method of trimming shaving cutter, according to the concave defect of the tooth shape produced by the gear part, it is characterized in that using the gear type diamond trimming wheel pair to carry out the concave repair around the pitch circle of the cutter tooth, See figure 1 , 3 , using a shaving cutter with a concave pitch circle to reprocess the workpiece gear to eliminate the problem of "shaving concave", the implementation steps are as follows:

[0015] Step 1: Design the dressing wheel 1 of the gear type diamond, the dressing wheel is a standard gear shape, and the surface of the gear teeth is coated with a solid diamond particle layer 2, see figure 2 , the gear-type diamond dressing wheel needs to be customized by a professional manufacturer. The number of teeth of the dressing wheel 1 is selected according to the specific modulus and number of teeth of the gear product produced. Generall...

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Abstract

Provided is a gear shaving machining tooth form modification method. The method is characterized in that reverse cutting is conducted on a gear shaving cutter by means of a diamond dressing wheel, the tooth surface of the gear shaving cutter is concave, a gear is machined through the gear shaving cutter with the concave tooth surface, the concave phenomenon can be eliminated; the form modification comprises the steps that 1, the diamond dressing wheel is customized, the number of teeth of the dressing wheel is selected according to the specific mode number and tooth number of the gear product; 2, the dressing wheel is installed on a gear shaving machine to replace a workpiece gear, the dressing wheel is subjected to cutting machining by using the gear shaving cutter needing to be modified, and the tooth form surrounding the gear shaving cutter reference circle is concave; 3, nitridation treatment is conducted on the modified gear shaving cutter; the shape of the diamond dressing wheel is the same as that of the product gear, and the gear tooth surface of the customized diamond dressing wheel is coated with a diamond particle layer. By machining the gear through the gear shaving cutter modified through the method, the concave phenomenon in the tooth form obtained after gear shaving machining can be effectively solved, the yield of gear parts is guaranteed, and the use efficiency of the gear shaving cutter is improved.

Description

technical field [0001] The invention belongs to the field of mechanical equipment manufacturing, and relates to a method for modifying the tooth root of an involute gear for trimming a shaving cutter. Background technique [0002] On the shaving machine tool, using a shaving cutter to shave the involute surface of the workpiece gear tooth is a common method for gear surface finishing. The disc shaving cutter is shaped like a gear, see Figure 4 , can be regarded as a helical gear meshing between the shaving cutter and the workpiece without backlash. The disc-shaped shaving cutter can be regarded as a cylindrical gear. Between the two centers on the machine table, the workpiece can rotate freely. Theoretically speaking, the disc shaving cutter and the workpiece gear belong to helical gear meshing, and the tooth surfaces of the two gears are in point contact. With the rotation of the gear, the contact point moves along the tooth surface inclined to the tooth end surface, Whil...

Claims

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Application Information

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IPC IPC(8): B23P15/44B23F21/28
CPCB23P15/44B23F21/286
Inventor 刘振民郑小为张先杰孟巍董福超林阔霍岩邓奕王冰刘素芬李冬梅年志坚葛春云冯宝强王明海张禹田斌杨天琦高崇闫巍于涛宋光辉张君徐江
Owner 沈阳精力传动设备有限公司
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