Compact 35 mm frame
A space-efficient motor platform with a 38 mm standard body length and an optional 32 mm body for compact equipment layouts.
35 mm Vacuum Stepper Motor
Vacuum Two-Phase Stepper Motor
Compact 35 mm vacuum stepper motor with a 38 mm standard body, optional 32 mm body, 1.0 A current and 0.2 N·m torque for precision vacuum axes.
Positioning accuracy
High torsional rigidity and constant torsional backlash over the entire gearbox service life ensure consistently high performance
Compactness
High torque density thanks to high performance and short design
Low maintenance
Highest quality standards for a long service life and extended maintenance intervals
Technical data
35 mm vacuum motion platform
Compact, precise motion for demanding environments
A compact 35 mm two-phase, four-wire hybrid vacuum stepper motor platform engineered for repeatable positioning, dependable integration and application-specific environmental configurations.
Reliable positioning
A 1.8° step angle and 0.2 N·m holding torque support stable, repeatable motion.
Engineering-ready data
Verified electrical and mechanical data supports system design and model selection.
High-vacuum capability
Specified configurations are available for vacuum environments down to 1.0 × 10−8 Pa.
Wide-temperature options
Application-specific material and process options support environments from −196°C to +300°C.
Radiation, cleanliness and customization
Optional solutions support radiation levels up to 106 Gy and high-cleanliness use, with shaft, cabling, shock, vibration, impact and gearbox requirements available for engineering review.
Engineering information
Technical data
Review the verified model-specific electrical and mechanical ratings for engineering selection.
Engineering data
Model Specifications
| Model | Step angle | Body length | Rated current | Phase resistance | Phase inductance | Holding torque | Rotor inertia | Weight | Recommended driver |
|---|---|---|---|---|---|---|---|---|---|
| SPHY3538** | 1.8° | 38 mm (32 mm optional) | 1.0 A | 2.4 Ω | 3.5 mH | 0.2 N·m | 20 g·cm² | 0.3 kg | DM422S |
Engineering data
General Specifications
| Specification | Value |
|---|---|
| Step angle | 1.8° |
| Radial clearance | 0.025 mm (450 g load) |
| Axial clearance | 0.075 mm (920 g load) |
| Resistance accuracy | ±5% |
| Inductance accuracy | ±10% |
| Insulation resistance | 100 MΩ |
| Insulation class | Grade B |
| Dielectric strength | 500 VAC, 50 Hz, 1 mA, 1 min |
| Motor temperature rise | 80°C max (rated current, normal pressure) |
| Ambient temperature | Optional grade |
| Radial load | 10 N max (20 mm from flange face) |
| Axial load | 5 N max |
Confirm the final operating point, vacuum conditions and installation requirements with Spotlight Motor engineering support.
System integration
Build a dependable 35 mm vacuum motion axis
Match the motor to the complete operating profile, including chamber pressure, load, speed, duty cycle, cabling and thermal conditions.
- Validate vacuum level and material requirements
- Match torque and speed to the working cycle
- Plan driver, cabling and feedthrough interfaces
Application fields
Designed for precision vacuum automation
A compact solution for equipment that combines controlled environments with repeatable motion.
Semiconductor equipment
Transfer, alignment and process-support motion.
Vacuum coating
Positioning axes for deposition and coating equipment.
Research instruments
Motion inside laboratory chambers and analytical systems.
Precision positioning
Compact rotary and linear stage assemblies.
Discuss your 35 mm vacuum stepper motor requirement with our engineers.
Share your load, speed, duty cycle, controller and installation conditions for model selection and integration support.
Contact us
Would you like to learn more about our solutions?
We would be happy to advise you—personally, competently, and tailored to your requirements.
Perfection in a new dimension
Further Information
Short delivery times available for selected product configurations.
The TP+ HIGH TORQUE enables maximum torque density and maximum torsional rigidity—ideal for demanding applications with dynamic load changes and high positioning accuracy.
alpha Advanced Line gearboxes with increased durability and food-grade lubrication available.
The TP+ for coordinated pinion-rack systems for medium to high requirements. Typical areas of application in wood, plastic, and composite processing, in machining centers, or in automation.
With cynapse® and smart services, you can unleash the full potential of your drive system: sensor data is processed, visualized, and analyzed intelligently. Find out how the combination of gearboxes with cynapse® and our Smart Services can make your digital production faster, safer, and more efficient.
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