Inverted Roller Screw Actuator

Compact electromechanical actuator architecture built around an inverted roller screw, frameless motor envelope, and push-tube integration.

Target Buyer:Actuator OEMs and system integrators designing compact EMA modules around proprietary motor and housing constraints.

Inverted Roller Screw Industrial Actuator

Capability Highlights

Inverted screw layout for short axial envelope and high force density
Frameless motor, bearing, encoder, and housing interface review
Sealing, lubrication, and thermal-management options for duty-cycle fit

Typical Applications

Automotive Welding
Flight Control
Medical Tables

Engineering Focus

Motor rotor and nut interface geometry
Thermal dissipation, grease life, and continuous-force limits
Encoder, bearing, sealing, and cable routing constraints

Buyer Decision Notes

When this product fits

Choose this family when the application, envelope, and validation needs match: Automotive Welding, Flight Control, Medical Tables.

What to validate first

Start with system efficiency and inspection evidence before comparing quoted price or delivery time.

Best RFQ starting point

Send the first drawing revision, STEP file, or sample photos with target load, lead, stroke, preload, quantity, and delivery country.

Key Evaluation Matrix

Metric	Typical Range	Why It Matters
System Efficiency	Up to 80%	Reduces battery drain in mobile/aerospace applications.
Envelope Review	Motor OD, nut length, stroke, bearing span	Determines whether the inverted screw actually reduces actuator length after all interfaces are included.
Thermal Control	Duty-cycle and lubricant dependent	Continuous EMA loads can be limited by heat before screw static capacity is reached.

RFQ Checklist

Peak/continuous force, speed, stroke, and duty cycle
Motor voltage/current limits or preferred frameless motor family
Encoder, bearing, connector, sealing, and mounting constraints
Target prototype build stage and acceptance test method

Risk Controls

Thermal runaway under continuous load: Review motor heat, screw friction, lubricant temperature range, housing thermal path, and sensor strategy before finalizing the actuator package.
Envelope savings lost to bearings, encoder, and seals: Compare retracted length with all interfaces included, not only the screw/nut geometry.
Control performance limited by backlash or compliance: Agree on backlash/preload, axial stiffness, torque trace, and reversal test method for sample validation.

Product Gallery

Buyer FAQ

Do you supply the servo drive as well?

We specialize in the mechanical actuator and motor integration, but can recommend compatible third-party drives.

What feedback sensors can be integrated?

The mechanical package can be reviewed around absolute encoders, resolvers, limit switches, or buyer-specified feedback hardware when dimensions and mounting requirements are provided.

Is the actuator sealed against dust and fluids?

Sealing is scoped by environment. Share dust, fluid, temperature, washdown, and stroke-speed assumptions so wipers, seals, grease, and inspection criteria can be selected.

Can we request a specific frameless motor brand?

Yes. Send the motor drawing or datasheet so rotor/nut interface, bearing support, encoder clearance, cable routing, and thermal path can be reviewed.

Related Resources

Send drawings to [email protected] or WhatsApp +86 18857971991 for a manufacturing review.

Inquiry Email

[email protected]

Email app

Include target OD, lead, stroke, load, quantity, and delivery country.

WhatsApp Engineering

+8618857971991

Chat on WhatsApp

Best for quick RFQ clarification and drawing-review coordination.