SWL series worm-wheel screw jack completes lifting, descending, advancing and turning functions through worm-wheel drive screw. It is widely used in machinery, metallurgy, water conservancy, chemical industry, medical treatment, and other industries.
SWL series of worm wheel and screw can be self-locking, bearing capacity is 2.5T~120T, can be driven directly by motor or manually.
The maximum input speed is 1500 r/min and the maximum lifting speed is 2.7 m/min. The working environment temperature is between – 20 and 100 degrees Celsius, and the lifting height is manufactured according to user’s requirements.
| Technical data | |
| Shell material | Cast iron / ductile iron |
| Shell hardness | HBS190-240 |
| Gear material | 20CrMnTi alloy steel |
| Gear surface hardness | HRC58 ° ~ 62 ° |
| Gear core hardness | HRC33 ~ 40 |
| Input / output shaft material | 42CrMo alloy steel |
| Input / output shaft hardness | HRC25 ~ 30 |
| Gear machining accuracy | Precision grinding, level 6 ~ 5 |
| lubricating oil | GB L-CKC220-460, Shell withstand voltage 220-460 |
| Heat treatment | Tempering, carburizing, quenching, etc. |
| Efficiency | 98% |
| Noise (maximum) | 60 ~ 68dB |
| Temperature rise (MAX) | 40 ° C |
| Temperature rise (oil) (maximum) | 50 ° C |
| vibration | ≤20µm |
| Recoil | ≤20Arcmin |
| Bearing brand | Chinese brand bearings, HRB / LYC / ZWZ / C & U. Or other brands requested, SKF, FAG, INA, NSK. |
| Oil seal brand | NAK — Taiwan or other brand requirements |
