Yancheng XINLAN Precision Machinery Co., Ltd.

Gear box processing, gear box processing, precision gear processing, gear processing, gear box customization

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Machining helical gears

When machining helical gears, why choose the tool number according to the number of teeth? Because the tooth groove of the helical cylindrical gear is a spiral groove, when milling with a gear disk, the worktable must change the spiral angle to make the spiral plane of the milling cutter and the direction of the coexisting tooth groove Unanimous.In other words, the tooth profile of the milling cutter must be the same as the normal tooth profile of the gear, that is to say, it must be the same as the tooth profile of the equivalent gear of the helical cylindrical gear.Therefore, when milling a helical gear, the tool number is selected based on the number of teeth equivalent to the gear (that is, the number of teeth equivalent).