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2. Bevel gear - Wikipedia

   en.wikipedia.org/wiki/Bevel_gear

   In straight bevel gears, the teeth are straight and parallel to the generators of the cone. This is the simplest form of bevel gear. This is the simplest form of bevel gear. It resembles a spur gear, only conical rather than cylindrical.

3. List of gear nomenclature - Wikipedia

   en.wikipedia.org/wiki/List_of_gear_nomenclature

   Outer cone distance in bevel gears is the distance from the apex of the pitch cone to the outer ends of the teeth. When not otherwise specified, the short term cone distance is understood to be outer cone distance. Mean cone distance in bevel gears is the distance from the apex of the pitch cone to the middle of the face width.

4. Gear - Wikipedia

   en.wikipedia.org/wiki/Gear

   Spiral bevel gears have the same advantages and disadvantages relative to their straight-cut cousins as helical gears do to spur gears, such as lower noise and vibration. [40] Simplified calculated bevel gears on the basis of an equivalent cylindrical gear in normal section with an involute tooth form show a deviant tooth form with reduced ...

5. Hobbing - Wikipedia

   en.wikipedia.org/wiki/Hobbing

   Spur gears on horizontal CNC gear hobbing machine Spur gears on horizontal CNC gear hobbing machine. Hobbing can create gears that are straight, helical, straight bevel, faced, crowned, wormed, cylkro and chamfered. [4] A hobbing machine uses two skew spindles. One is mounted with a blank workpiece and the other holds the cutter (or “hob”).

6. Profile angle - Wikipedia

   en.wikipedia.org/wiki/Profile_angle

   In spur gears and straight bevel gears, tooth profiles are considered only in a transverse plane, and the general terms profile angle and pressure angle are customarily used rather than transverse profile angle and transverse pressure angle. In helical teeth, the profiles may be considered in different planes, and in specifications it is ...

7. Spiral bevel gear - Wikipedia

   en.wikipedia.org/wiki/Spiral_bevel_gear

   Spiral bevel gear. A spiral bevel gear is a bevel gear with helical teeth. The main application of this is in a vehicle differential, where the direction of drive from the drive shaft must be turned 90 degrees to drive the wheels. The helical design produces less vibration and noise than conventional straight-cut or spur-cut gear with straight ...