Planetary GearboxesSPG SERIES
SPG Series
The SPG Series is available from Source Engineering Inc. in Santa Clara, CA for OEM planetary gearboxes programs. Contact us for sizing, customization, samples, and volume pricing.
SPG Series
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
| 1 | Gear head frame size: 20, 32, 50 | ||||
|---|---|---|---|---|---|
| 2 | Gear head series code: SPG: High torque type SDPG: Standard torque type | ||||
| 3 | Gear ratio Single stage: 5 Two stages: 11, 15, 21, 33, 45 | ||||
| 4 | Backlash Output load is ±3% of the rated output torque | Reducer Type No | Stage | Standard Type | High Precision Type PO |
| 20SPG | 1 | 3 arc-min | 1 arc-min | ||
| 2 | 5 arc-min | 3 arc-min | |||
| 32SPG | 1 | 3 arc-min | 1 arc-min | ||
| 2 | 5 arc-min | 3 arc-min | |||
| 50SPG | 1 | 3 arc-min | 1 arc-min | ||
| 2 | 5 arc-min | 3 arc-min | |||
| 5 | Input 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) | ||||
| 6 | Applicable servo motor power (W) | ||||
| 7 | Model of servo motor & input flange | ||||
SPG Performance Data
| Specifications | Stage Number | Reduction Ratio | 20SPG | 32SPG | 50SPG | |
|---|---|---|---|---|---|---|
| Rated output torque T2N | Nm | 1 | 5 | 50 | 150 | 380 |
| 2 | 11 | 59 | 160 | 450 | ||
| 15 | 70 | 220 | 460 | |||
| 21 | 78 | 240 | 490 | |||
| 33 | 72 | 200 | 620 | |||
| 45 | 98 | 280 | 640 | |||
| 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 | 5 | ≤1 | ≤1 | ≤1 |
| 2 | 11~45 | ≤3 | ≤3 | ≤3 | ||
| Standard back lash | arcmin | 1 | 5 | ≤3 | ≤3 | ≤3 |
| 2 | 11~45 | ≤5 | ≤5 | ≤5 | ||
| 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 | 0.16 | 0.8 | 4.90 |
| 2 | 11 | 0.17 | 1 | 4.00 | ||
| 15 | 0.15 | 0.74 | 3.50 | |||
| 21 | 0.071 | 0.35 | 1.60 | |||
| 33 | 0.029 | 0.17 | 0.72 | |||
| 45 | 0.022 | 0.12 | 0.50 | |||
SDPG Performance Data
| 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 | |||
Key Features
- SPG Series: OEM motion component configured for your application
- Custom shafts, windings, and mounts available
- US engineering support with overseas manufacturing cost structure
- Prototype to production volumes
Configuration Options
- Custom shafts, windings, encoders, and cable assemblies on request
- Prototype samples through production volumes
Applications
- Robotics
- CNC
- Semiconductor
- Factory automation
- AGV/AMR
When to Choose This Model
Select this planetary series based on backlash, ratio range, and mounting requirements for your servo or stepper.
Frequently Asked Questions
What is the SPG Series used for?
The SPG Series is used in OEM motion-control applications. Contact us to match torque, speed, and mounting to your design.
Can you customize this model?
Yes. Shafts, windings, ratios, encoders, cables, and mounting interfaces can be customized for OEM programs.
How do I get pricing and lead time?
Request a quote with your quantity, target specs, and timeline. We typically respond within one business day.
Ready to spec your next motion system?
Talk to a Source Engineering application specialist. No obligations, just answers.