Achieving strict perpendicularity while maintaining the tolerances of both the pump gear section's end face and the shaft section!
We would like to introduce a product example of the "pump gear," an important component that forms a mechanism to trap liquid or air in the space created between the case and the gear by rotating a gear called the drive gear and the driven gear. While maintaining the tolerances of both the end face of the pump gear section and the shaft section, we achieved strict perpendicularity. The surface roughness of the shaft section is 0.08a and has a reverse taper. 【Case Overview】 ■ Size: φ95-300, Module 6.5, High Tooth ■ Material: SCM415H ■ Application: Hydraulic pump for construction machinery ■ Features - Achieved strict perpendicularity while maintaining tolerances for both the end face of the pump gear section and the shaft section - The surface roughness of the shaft section is 0.08a and has a reverse taper *For more details, please refer to the PDF document or feel free to contact us.
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Machida Gear Manufacturing Co., Ltd. has been consistently manufacturing "gears" for construction machinery, agricultural machinery, forklifts, automobiles, large printing machines, etc., from material procurement to finished products since its establishment in 1945. We achieve high-precision processing using various machine tools, including hobbers, gear shapers, broaching machines, and shaving machines, as well as NC lathes, machining centers, grinding machines, and multi-tasking machines, and we provide comprehensive support from prototype development to mass production. We flexibly respond to detailed requirements such as spur gears, helical gears, and internal gears with a module size of approximately 1 to 8, as well as crowning processes. These gears are currently used in various fields, primarily in construction machinery, forklifts, automobiles, agricultural machinery, and printing machinery.