The new type of computer numerically controlled gear grinding machine has made a leap in the production efficiency of grinding the spiral bevel gear by grinding wheel. This machine uses a computer numerical control system. The machine eliminates the manual adjustment of the cradle, the knife tilt, the cutter eccentricity (tool position) and the knife swivel mechanism. A powerful FANUCMB controller simplifies the complex machine geometry. To adjust the project, the machine's six axes of motion meet all the forms of motion required to grind spiral bevel gears.
For spiral bevel gears, the small wheels are always cut by the development method, while the large wheels are cut by both the forming method and the non-expanding method. When grinding a spiral bevel gear that is cut by a forming method, the gear is ground and ground using a cylindrical cup-shaped grinding wheel. With this grinding method, the grinding wheel represents a tooth of the imaginary wheel, and the gear is ground and ground by the mutual movement between it and the gear groove being ground. The structural design of the eccentric wheel brake is unreasonable. The main parameters, such as the eccentricity of the eccentric wheel, the stiffness of the tension spring of the brake band and the pre-tightening amount, are difficult to design, so computer optimization should be used.
When grinding large gears that are cut by non-expanding method, grinding can be performed by the grinding method of the eccentric main shaft or the flared cup grinding wheel. With this method, it is necessary to provide the coolant and the removal of the grinding debris. Clearance. Since the grinding teeth provide more stable precision and quality, and because of the computer numerical control system of the machine tool, the repeatability of batch and batch production can be achieved with a minimum of setting and adjustment conversion. The new Gleason grinding machine is now in front of us with high efficiency and high precision.
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