The KSHE2-30L is a helical gear with a 2 mm normal module, 30 teeth, and a 20° normal pressure angle, made from S45C steel with a black oxide surface treatment and tooth hardness less than 194 HB. It has a bore diameter of 55 mm, an outside diameter of 68 mm, a face width of 25 mm, and a hub width of 16 mm. The gear has a profile shift coefficient of +0.085 and a mounting distance of 200 mm. The allowable torque is 136 N·m (13.8 kgf·m) for bending strength and 43.8 N·m (4.46 kgf·m) for surface durability, with a backlash range of 0.12-0.32 mm. It complies with JIS grade N8 (JIS B1702-1:1998) precision standards.
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Helical gears are comparable to spur gears, but due to the higher contact ratio, they are quieter, vibrate less, and experience less friction. Helical gear pairs have the same helix angle but opposite threads (left-hand and right-hand). Helical gears can be used in place of spur gears; they can be used in drives with non-parallel axes or positioned in between parallel axes. Helical gears are suitable for applications involving faster speeds and larger loads because, unlike spur gears, their teeth are twisted along the helical path and progressively interlock into one another.
Helical gears can also be found in industries related to movable earth, power, and oil drilling. Because of their efficacy with heavy loads, they are found in elevators, conveyors, compressors, and blowers. The most popular helical gear application is in the automobile industry, specifically in transmissions.
Our inch and metric helical gears are offered in 48-pitch modules 1, 2, and 3.
They are available in stainless steel, aluminum, and ground-hardened steel with black oxide finishes.
Call us: 516-328-3300
| Stock Drive Products & Sterling Instrument - SDP/SI | |
|---|---|
| Product Category | Gears |
| Product Number | KSHE2-30L |
| Product Name | 2 mm Normal Module, 30 Teeth, 20° Pressure Angle, S45C Steel Helical Spur Gear |
| Gear Type | Spur; Helical; Rack |
| Number of Teeth | 30 |
| Direction | Left |
| Pressure Angle | 20° |
