SF77/S77/SAF77/SA77/SAZ77/Helical gear worm gear reducer (without motor) series worm gear reducer has the usual characteristics, the machine also uses helical gear-worm gear form, so that The structure is more rationalized, which not only changes the transmission efficiency and carrying capacity higher than that of the single-stage worm gear transmission, but also reduces the space footprint in the structural layout, and at the same time, can obtain a larger transmission ratio under similar volume conditions. It is more conducive to the configuration of the equipment. The machine can be combined with various reduction and transmission to meet different usage requirements.
Electronic Catalog 
PDF Catalog
| Product Description | |
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Features ●High modular design, biomimetic surface with owned intellectual property right. ◆Adopt German worm hob to process the worm wheel. ◆With the special gear geometry, it gets high torque, efficiency and long life circle. ◆It can achieve the direct combination for two sets of gearbox. ◆Mounting mode: foot mounted, fiange mounted, torque arm mounted. ◆Output shaft: solid shaft, hollow shaf. |
Main applied for ◆Chemical industry and environmental protection ◆Metal processing ◆Building and construction ◆Agriculture and food ◆Textile and leather ◆Forest and paper ◆Car washing machinery |
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Housing material |
Cast iron/Ductile iron |
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Housing hardness |
HBS190-240 |
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Gear material |
20CrMnTi alloy steel |
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Surface hardness of gears |
HRC58*~62。 |
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Gear core hardness |
HRC33~40 |
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Input / Output shaft material |
42CrMo alloy steel |
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Input / Output shaft hardness |
HRC25~30 |
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Machining precision of gears |
accurate grinding, 6~5 Grade |
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Lubricating oil |
GB L-CKC220-460, Shell 0mala220-460 |
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Heat treatment |
tempering, cementiting, quenching, etC. |
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Effciency |
94%~96% (depends on the transmission stage) |
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Noise (MAX) |
60~ 68dB |
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Temp. rise (MAX) |
40°C |
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Temp. rise (OiI)(MAX) |
50°C |
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Vibration |
≤20μm |
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Backlash |
≤20Arcmin |
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Brand of bearings |
China top brand bearing, HRB/LYC/ZWZ/C&U. Or other brands requested,SKF, FAG, INA, NSK. |
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Brand of oil seal |
NAK -- Taiwan or other brands requested |
S series reducer has the following models:
S37 S47 S57 S67 S77 S87 S97
SA37 SA47 SA57 SA67 SA77 SA87 SA97
SF37 SF47 SF57 SF67 SF77 SF87 SF97
SAF37 SAF47 SAF57 SAF67 SAF77 SAF87 SAF97
SAT37 SAT47 SAT57 SAT67 SAT77 SAT87 SAT97
SAZ37 SAZ47 SAZ57 SAZ67 SAZ77 SAZ87 SAZ97
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SIZE |
Shaft Dia (mm) Solid Hallow |
Center Height |
Output Flange Dia.
(mm) |
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Ratio |
Permissible
Torque(N.m) |
Weight
(KGS) |
|||
| 37 |
φ20k6 |
φ20h7 |
82 |
φ120/160 |
0.18-0.75 |
10.27-165.71 |
90 | 7 | ||
| 47 |
φ25k6 |
φ25h7 |
100 |
φ160 |
0.18-1.50 | 11.46-244.74 | 170 | 10 | ||
| 57 |
φ30k6 |
φ30h7/35h7 |
180 |
φ200 |
0.18-3.0 | 10.78-196.21 | 300 | 14 | ||
| 67 |
φ35k6 |
φ40h7/45h7 |
140 |
φ200 |
0.25-5.50 | 11.55-227.20 | 520 | 26 | ||
| 77 |
φ45k6 |
φ50h7/60h7 | 180 |
φ250 |
0.55-7.50 | 9.96-241.09 | 1270 | 50 | ||
| 87 |
φ60m6 |
φ60h7/70h7 |
225 |
φ350 |
0.75-15.0 | 11.83-223.26 | 2280 | 100 | ||
| 97 |
φ70m6 |
φ70h7/90h7 |
280 |
φ450 |
1.50-22.0 | 12.5-230.48 | 4000 | 170 | ||
 S-0.18KW.pdf |
S-0.25KW.pdf |
S-0.37KW.pdf |
S-0.55KW.pdf |
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S-0.75KW.pdf |
S-1.1KW.pdf |
S-1.5KW.pdf |
S-2.2KW.pdf |
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S-3KW.pdf |
S-4KW.pdf |
S-5.5KW.pdf |
S-7.5KW.pdf |
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S-11KW.pdf |
S-15KW.pdf |
S-18.5KW.pdf |
S-22KW.pdf |
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