Metallurgy machinery soft tooth flank helical gear

Gear Basic Data
Gear Tooth Shape	involute
Gear Material	45
Gear Process	forging, lathing, hobbing, external grinding, keyway milling, tooth grinding
Pressure Angle	20°
Quality level	DIN 3962 class 6
Gear Type	Mn=3, Z=128, β=11.5°, α=20°, left handed

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