SEW F series Parallel Shaft Helical Gear reducer Gearbox
1. Highly Standard Modular Designed
The products are easily connected with and driven by different types of motors or other kinds of input power. The same type geared motor can be adapted to optioned powers of motors. It's therefore easy to realize different solutions for varied requirements.
2. High strength, Compact dimension
Housings are made of high strength cast iron. Gears and shaft gears are finished with gas carburising process and precise grouding to sequentially get high loading capacity of percertain volume.
3. Long service life
Under the condition of accurately selection type size and the normal maintenance and use, main components(expect those easily-disabled parts)can last as long as up to more than 25, 000hours. Easily-disabled parts include lubricating oil, oil seals, and bearings.
4. Low noise
All key components are finished by precisely machining, accurate assembly, and finally tested, and therefore, fairly low noise is reached.
5. High efficiency
The efficiency of gear unit can reach 95%, The efficiency of worm gear unit can reach 89%.
6. Large radial loading ability
7. Axial load ability of up to 5%of radial load
8. Mounting Arrangemnet
No strict limitation to the mounting arrangement.
Featured many closely divided ratios and wide range of them. Very big final ratios can be obtained through combined unites to reach extremely low output speeds.
Gear unit weight
The weights are mean values, only for reference
Maximum torque means the biggest one of the maximum torque related to the different ratio for the specified size.
|Up to 18000N.m|
|Parallel Helical Hardened Gearbox|
|Input Speed||50HZ or 60HZ of 4Pole,6Pole and 8pole motor|
|Housing material || HT2OO high-strength cast iron from F37,47,57,67,77,87 |
| Housing material ||HT250 High strength cast iron from F97,127,157,167,187|
|Surface hardnesss of gear ||HRC58°-62°|
|Gear core hardness||HRC33°-40°|
|Input/Output shaft material ||40CrMnTi|
|Input/Output shaft hardness||HBS241°-286°|
|Shaft at oil seal postion hardness||HRC48 ° -55 °|
|Machining precision of gears material||Accurate grinding 6-5 grade|
|Heat treatment||tempering, cementing, quenching etc|
|Bearing brands||NSK,HRB,C&U etc|
|Oil seal brands||NAK, CTY,SKF etc|
|Oil:||CHELSEA or CHANGCHENG|
|Motor||IP55, F class|
|Motor shaft||40Cr, Tempering, cementing,quenching etc|
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