SPG/SDPG Series Gearbox

Key features

  • Low noise
  • Helical Gear
  • Backlash ≤1-≤5 arcmin
  • 97% efficiency
  • Operating Temp -10℃~+90℃
  • Lifetime lubrication
  • Multiple stage configurations
  • IP65
  • Customs available

Ordering Information

1Gear head frame size: 20, 32, 50
2Gear head series code: SPG: High torque type  SDPG: Standard torque type
3Gear ratio Single stage: 5 Two stages: 11, 15, 21, 33, 45
4Backlash
Output load is ±3% of the rated output torque
Reducer Type NoStageStandard TypeHigh Precision Type
PO
20SPG13 arc-min1 arc-min
25 arc-min3 arc-min
32SPG13 arc-min1 arc-min
25 arc-min3 arc-min
50SPG13 arc-min1 arc-min
25 arc-min3 arc-min
5Input shaft type
S: Overall Locking (Omission)(Regardless whether the motor with keyway can use it)
S1: Locking with locking ring(Omission)(Regardless whether the motor with keyway can use it)
S2: Locking with keyway (Input shaft with key)
A: Other type (Please contact with us)
6Applicable servo motor power (W)
7Model of servo motor & input flange
Specifications Stage NumberReduction Ratio20SPG32SPG50SPG
Rated output torque T2NNm1550150380
21159160450
1570220460
2178240490
3372200620
4598280640
Instantaneous maximum torqueNm1,2 2 times rated output torque 
Recommended input speedrpm1,25~45300030002000
Maximum input speedrpm1,25~45600060004500
Precision back lasharcmin15≤1≤1≤1
211~45≤3≤3≤3
Standard back lasharcmin15≤3≤3≤3
211~45≤5≤5≤5
Torsional rigidityNm/arcmin1,25~450.552.214
Lifehr1,25~4520000
Efficiency%15≥97
211~45≥94
WeightKg151.2310
211~451.53.712
Ambient temperature1,211~45-10℃~+90℃
lubrication 1,211~45Lifetime lubrication
Protection grade 1,211~45IP65
Installation direction 1,211~45Any direction
Noise valuedB (A)1,211~45≤63≤65≤72
The moment of inertiaNm150.160.84.90
2110.1714.00
150.150.743.50
210.0710.351.60
330.0290.170.72
450.0220.120.50
Specifications
Stage Number Reduction Ratio 20SDPG 32SDPG 50SDPG
Rated output torque  T2N Nm 1 5 38 120 290
2 11 46 160 340
15 58 170 400
21 58 190 450
33 70 200 470
45 73 240 560
Instantaneous maximum torque Nm 1,2 2 times rated output torque
Recommended input speed rpm 1,2 5~45 3000 3000 2000
Maximum input speed rpm 1,2 5~45 6000 6000 4500
Precision back lash arcmin 1,2 5~45 ≤1 ≤1 ≤1
Standard back lash arcmin 1,2 5~45 ≤3 ≤3 ≤3
Torsional rigidity Nm/arcmin 1,2 5~45 0.55 2.2 14
Life hr 1,2 5~45 20000
Efficiency % 1 5 ≥97
2 11~45 ≥94
Weight Kg 1 5 1.2 3 10
2 11~45 1.5 3.7 12
Ambient temperature 1,2 11~45 -10℃~+90℃
lubrication 1,2 11~45 Lifetime lubrication
Protection grade 1,2 11~45 IP65
Installation direction 1,2 11~45 Any direction
Noise value dB (A) 1,2 11~45 ≤63 ≤65 ≤72
The moment of inertia Nm 1 5 0.17 0.73 4.8
2 11 0.15 0.78 3.3
15 0.14 0.62 2.9
21 0.069 0.34 1.6
33 0.023 0.12 0.6
45 0.022 0.11 0.6