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Foshan Li Dexin Machinery Manufacturing Co., Ltd.

Foshan Li Dexin Machinery Manufacturing Co., Ltd.

Specializing in the production of TCT circular saw blades, TCT band saw blades, finger joint knives, flying knives, various non-standard CNC grinding machine production lines

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Grinding Wheel Dressing Technology of CNC Saw Blade Gear Grinding Machine

  • Time of issue:2020-09-28 15:46

(Summary description)The grinding wheel dressing technology of CNC saw blade gear grinding machine

Grinding Wheel Dressing Technology of CNC Saw Blade Gear Grinding Machine

(Summary description)The grinding wheel dressing technology of CNC saw blade gear grinding machine

  • Time of issue:2020-09-28 15:46
The grinding wheel dressing technology of CNC saw blade gear grinding machine
The CNC forming grinding wheel gear grinding machine adopts the forming method to grind, the section accuracy of the grinding wheel is the key, which depends on the section calculation accuracy and the grinding wheel dressing accuracy. Domestic and foreign gear grinding machine manufacturers have conducted in-depth research on the shaping wheel dressing technology and developed different grinding wheel dressing devices to ensure the dressing accuracy of the grinding wheel and improve the gear grinding accuracy.
 
There are two main types of dressing for forming grinding wheels: diamond pen and diamond roller. The diamond pen has a simple structure and low cost. In theory, higher dressing accuracy can be obtained. The diamond pen is severely worn, short in life, difficult to estimate, and cannot be accurately compensated, resulting in poor consistency of sand contour accuracy, which has a greater impact on the grinding of large gears, and is gradually replaced by diamond roller dressing. The diamond roller has high rigidity, large amount of dressing, and high efficiency. It adopts the trajectory envelope method, which is more suitable for dressing complex forming surfaces. Diamond roller dressing methods are divided into plunge-type roller dressing and swing type roller dressing.
 
In the grinding process, the grinding wheel is worn and dull, and the grinding wheel needs to be trimmed to produce a new sharp profile while ensuring consistent accuracy. Grinding wheel dressing tools and dressing conditions have a significant influence on the quality of grinding wheel dressing, which directly determine the shape and profile accuracy of the grinding wheel. The sharpness of the dressing determines the grinding force and grinding temperature. It is necessary to select reasonable grinding wheel dressing parameters.
 
 
 
 
The difference between gear grinding machine and gear hobbing machine of CNC saw blade gear grinding machine
 
1. The gear hobbing machine uses a hob to rough and finish straight gears, helical gears, herringbone gears and worm gears according to the generative method. The processing range is wide and can reach high precision or high productivity. The gear grinding machine uses a grinding wheel for finishing and quenching. High-precision machine tools with hard cylindrical gears or gear cutter tooth surfaces.
 
2. Gear hobbing machine is the most widely used machine tool in gear processing machine tools. It can cut straight and helical cylindrical gears, as well as worm gears and sprockets. A gear processing machine for machining straight, helical and herringbone cylindrical gears and worm gears with a hob according to the generative method. This machine tool can also process various special tooth-shaped workpieces such as splines and sprockets when special hobs are used. The machining accuracy of the ordinary gear hobbing machine is 7 to 6 (JB179-83), and the high precision gear hobbing machine is 4 to 3. The maximum machining diameter is 15 meters.
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