R37 helical gear units

R37 helical gear units

  • R37 series helical gear reducer has the advantages of easy transmission ratio, high efficiency, small vibration and large radial load of shaft.

Applications:

Food light industry, electrical machinery, construction machinery, metallurgical machinery,

Cement machinery, environmental protection machinery, electronic appliances, road construction machinery,

Water conservancy machinery, chemical machinery, mining machinery, transportation machinery,

Building materials machinery, rubber machinery, petroleum machinery and other industries.

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.
effectiveness 94% ~ 96% (depending on the transmission stage)
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
model   size Shaft diameter solid

(mm)

Center height

(mm)

Output flange diameter
(mm)
Power (kw) Speed ratio Allowable

torque
(N.m)

Weight

(KGS)

R17 φ20k6 75 φ120 / 140 0.18-0.75 3.83-74.84 85 4
R27 φ25k6 90 φ120 / 140 0.18-3.00 3.37-135.09 130 5.5
R37 φ25k6 90 φ160 / 200 0.18-3.00 3.33-134.82 200 8.5
R47 φ30k6 115 φ160 / 200 0.18-5.50 3.83-176.88 300 10
R57 φ35k6 115 φ200 / 250 0.18-7.50 4.39-186.89 450 18
R67 φ35k6 130 φ200 / 250 0.18-7.50 4.29-199.81 600 25
R77 φ40k6 140 φ250 / 300 0.18-11.00 5.21-195.24 820 36
R87 φ50k6 180 φ300 / 350 0.55-22.00 5.36-246.54 1550 63
R97 φ60m6 225 φ350 / 450 0.55-30.00 4.49-289.74 3000 101
R107 φ70m6 250 φ350 / 450 2.20-45.00 5.06-249.16 4300 153
R137 φ90m6 315 φ450 / 550 5.50-55.00 5.15-222.60 8000 220
R147 φ110m6 335 φ450 / 550 11.00-90.00 5.0-16.31 13000 400
R167 φ120m6 425 φ550 / 660 11.00-160.00 10.24-229.71 18000 700
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