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2024379 Gear
$1.00piece
2020869
$1.00piece
The 2020869 helical gear (dedicated for power tools) has a pressure angle of 20°, module of 0.8, 8 teeth and helix angle of 15°/R. With a shaft diameter of 8mm, outer diameter of 8.7mm, total length of 87mm and weight of 0.045kg, it is made of 20CrMo material through precision processes including normalizing, hobbing and heat treatment + correction, featuring stable transmission and high fatigue resistance.
SKU:
QY-040-C
分类: Helical Gears
描述
This 2020869 helical gear is a precision transmission component specially developed for power tools, classified as a helical gear type. Its core technical parameters are adapted to the compact and high-stability transmission requirements of power tools: pressure angle of 20°, module of 0.8, number of teeth of 8, helix angle of 15°/R, shaft diameter of 8mm, addendum circle diameter of 8.7mm, total length of 87mm, and a unit weight of 0.045kg. It features a slender structure while balancing transmission efficiency and structural strength.
The gear is made of 20CrMo alloy structural steel, a material with good hardenability and fatigue resistance, which can fully cope with the high-frequency start-stop and high-load operating conditions of power tools. The manufacturing process complies with strict precision machining standards with closely connected procedures: normalizing pretreatment → turning → rough grinding for datum correction → hobbing → heat treatment + correction → shot blasting → outer diameter grinding → full appearance inspection. Among these processes, the rough grinding for datum correction ensures the dimensional accuracy of subsequent processing; the combined process of heat treatment + correction improves tooth hardness and avoids deformation; the outer diameter grinding further optimizes assembly fit accuracy; and the final full inspection guarantees zero defects in product appearance and dimensions, fully meeting the power transmission requirements of power tools.
其他信息
| weight |
0.045 |
|---|---|
| Core Components |
gear |
| Craftsmanship |
Hobbing |
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