Guaranteed Quality Price 15~3400Nm Helical Worm Speed Gearbox
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Helical gearmotors are the new generation of hard teethface helical gear reducer which are based on the modularized design. Due to the advantage of compact construction, great transmission torque, low noise, high mechanical efficiency, etc, it becomes a new direction for the transmission industry. Gears, the central part of gearmotor, with the material of 20CrMnTi alloy steel and the hardness of surface can reach to HRC58°~ 62°after tempering, ccementiting, quenching etc. heat treatment. All the gears are processed by accurate grinding and the precision can reach to grade 6~5. The gearmotors have been widely used in paper making, printing machinery, chemical machinery, cement agitator machinery, pharmaceutical agitator machinery, petroleum, mine machinery, metallurgy, ceramic line production machinery and stage machinery, etc.
Helical reducer gearmotor
| Housing material | HT250 high-strength cast iron |
| Housing hardness | HBS190-240 |
| Gear material | 20CrMnTi alloy steel |
| Surface hardness of gears | HRC58°~62 ° |
| Gear core hardness | HRC33~40 |
| Input / Output shaft material | 42CrMo alloy steel |
| Input / Output shaft hardness | HRC25~30 |
| Machining precision of gears | accurate grinding, 6~5 Grade |
| Lubricating oil | GB L-CKC220-460, Shell Omala220-460 |
| Heat treatment | tempering, cementiting, quenching, etc. |
| Efficiency | 94%~96% (depends on the transmission stage) |
| Noise (MAX) | 60~68dB |
| Temp. rise (MAX) | 40℃ |
| Temp. rise (Oil)(MAX) | 50℃ |
| Vibration | ≤20µm |
| Backlash | ≤20Arcmin |
| Brand of bearings | China Top brand HRB,LYC,ZWZ or other brands requested, NSK….. |
| Brand of oil seal | NAK--- Taiwan or other brands requested |
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