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Helical Gear Unit
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| Place of Origin | CHINA |
| Brand Name | SEW |
| Certification | CE/3C |
| Model Number | RF77 DRN100LS4/BE5 |
▶▶▶Description:
Helical gearmotors
Covering 6 specifications of single-stage reducers and 14 specifications of 2-stage and 3-stage reducers, the R series of helical gear reduction motors perfectly meet the requirements of power and installation space.
| R series helical gearmotors hard surface reducer ✪●✪ Product size&Technical data |
|||||||
| Gear unit size | R17 | R27 | R37 | R47 | R57 | R67 | R77 |
| Motor Power(KW) | 0.09-0.75 | 0.12-3 | 0.12-3 | 0.12-5.5 | 0.12-7.5 | 0.12-7.5 | 0.18-11 |
| gear ratio range | 3.83-81.64 | 3.37-135.09 | 3.41-134.82 | 3.83-176.88 | 4.59-186.89 | 4.29-199.81 | 5.31-195.24 |
| Mamax Gear unit(Nm) | 85 | 130 | 200 | 300 | 450 | 600 | 820 |
▶▶▶Features
RX series (single-stage)
•Highly efficient helical gear units in 6 sizes
•High output speed, up to 830 Nm
•Gear unit ratios up to i = 8.65
•Available in foot or flange-mounted design
R series (multi-stage)
•Optimum ratio between performance and space requirements thanks to 15 sizes
•Finely stepped gear unit ratios up to i = 289.74; or i = 27,001 for double gear units
•Available in foot or flange-mounted design
•Also available with reduced backlash
▶▶▶Production details
| Catalog designation | RF77 DRN100LS4/BE2 |
| Product | Helical gearmotors R..DRN.. (IE3) |
| Product data | |
| Speed 50Hz [r/min] | 1450 / 39 |
| Total ratio [i] | 36,83 |
| Ma max [Nm] | 820 |
| Output torque 50Hz [Nm] | 535 |
| Service factor SEW-FB | 1,55 |
| Mounting position | M1 |
| ISO code | CLP 220 |
| Lubricant type | Miner.Oil |
| Lubricant volume [l] | 1,20 |
| Motor power [kW] | 2.2 |
| Motor frequency [Hz] | 50 |
| Cyclic duration factor S1-S10 | S1 |
| Voltage range [V] | 220-230 delta/380-400 star |
| Nominal current [A] | 8,40 / 4,85 |
| cos phi | 0,76 |
| Thermal cl.[°C]/Enclosure[IP] | 155(F) / 55 |
| International efficiency class | IE3 |
| Efficiency (100% Pn) [%] | 86,9 |
| Design specification | IEC 60034 |
| Nameplate | English |
| Weight | 67.00 kg |
▶▶▶ SEW reducer R series helical gear reducer
Gear transmission efficiency up to 98%, low vibration, low noise
Solid shaft, flange or footing mounting, can be used as the input stage part of the multi-stage reduction box
out speed (rpm): 0.05rpm - 1829rpm
Torque range(Nm)/Power range(KW): 50Nm - 18,000 Nm/ 0.09KW - 160 kW
▶▶▶FAQ
Q: What information shall we give before placing a purchase order?
A:a) Type of the gearbox, ratio, input and output type, input flange, mounting position, and motor informationetc.
b) Housing color.
c) Purchase quantity.
d) Other special requirements.
