Products

Product Portfolio

Frameless servo motor categories for industrial OEM sourcing, from compact joint-actuation kits to high-torque direct-drive motor platforms.

Use this page as a pre-RFQ navigator: pick the product family, capture the correct engineering inputs, and move directly to sample validation criteria that buyers can approve.

How to Select the Right Path

Define required torque at target speed and acceleration profile.
Confirm mechanical interface constraints (shaft, flange, connector).
Choose control architecture (open-loop, closed-loop, driver stack).
Set sample acceptance criteria before quotation freeze.
For ultra-low-speed projects, run the Torque Motor Series evaluation checklist before RFQ.
For equatorial and star-tracker applications, validate mode and drift risk with the Precision Gimbal and Optics solution page.

Frameless servo motor stator and rotor kit

Frameless Servo Motor Kits

Stator and rotor kit platform for compact direct-drive systems with flexible OEM integration.

Best for engineering teams selecting a scalable frameless-servo baseline.

Wide OD/ID architecture options for compact joints
Configurable winding constants for voltage and speed targets
Balanced torque density and thermal transfer readiness

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High torque density frameless torque motor stator

Torque Motor Series

High-torque-density frameless motor platform for low-speed precision and direct-drive control.

For teams prioritizing low-speed smoothness, torque density, and positioning stability.

High pole-count designs for smooth low-speed motion
Optimized copper fill and magnetic circuit layout
Configurable stack options for torque scaling

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Frameless servo hollow and ring structure detail

Hollow Shaft Frameless Servo

Large-aperture frameless-servo configurations designed for cable routing, optics channels, and compact integration.

For system architects requiring cable-through or optical-through direct-drive structures.

High ID/OD ratio for pass-through integration
Compact axial profile for constrained assemblies
OEM-ready mechanical/electrical adaptation support

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Cross-Family Evaluation Snapshot

Product Family	Primary Buyer Focus	Key Metric	Why It Matters
Frameless Servo Motor Kits	Best for engineering teams selecting a scalable frameless-servo baseline.	Stator OD / Rotor ID / Stack: Project-defined multi-size combinations	Directly determines fit, cable pass-through, and torque headroom.
Torque Motor Series	For teams prioritizing low-speed smoothness, torque density, and positioning stability.	Torque Density: Application-dependent by OD and stack	Higher torque density enables compact mechanics and higher payload ratio.
Hollow Shaft Frameless Servo	For system architects requiring cable-through or optical-through direct-drive structures.	Center Aperture Capacity: Project-specific ID requirement	Directly affects routing feasibility and modular architecture.

How to Compare Families Without Relying on Claims

First-round selection should connect architecture, thermal boundary, mounting method, and available evidence. If two families look similar by rated torque, prioritize the one that can be validated with CAD, torque-speed curves, and sample acceptance criteria that match your project.

Frameless Servo Motor Kits

Mechanical fit comes before torque claims: For a frameless kit, stator OD, rotor ID, stack height, retention method, and cable exit direction decide whether the motor can enter the design at all. Treat the CAD review as the first gate, then compare torque-speed data.
Continuous torque must be tied to the housing heat path: The same winding can behave differently in an aluminum joint housing, a thin stainless frame, or a sealed polymer module. Ask for assumptions behind continuous torque: ambient temperature, mounting surface, duty cycle, and thermal sensor strategy.

Torque Motor Series

Low-speed smoothness is a quality requirement, not a brochure adjective: For torque motors used in tables, stages, or precision axes, buyers should define acceptable ripple, cogging feel, and velocity stability before comparing peak torque. Otherwise a strong motor can still fail the motion-quality target.
Peak torque duration must be explicit: Peak torque is useful for acceleration and disturbance recovery only when the allowed duration, current limit, winding temperature, and recovery time are known. Procurement should not compare peak values without those assumptions.

Hollow Shaft Frameless Servo

Aperture is a system constraint, not only a motor dimension: The required center opening must include cable bundle, connector bend radius, optical path, shaft, bearing, encoder, and assembly clearance. A motor ID that looks sufficient can still fail after routing is modeled.
Rotor inertia affects control response: Large aperture designs can increase rotor inertia. Buyers should compare inertia against payload inertia and controller bandwidth before assuming a hollow-shaft option will settle quickly.

Evidence to Request by Family

Before approving a sample, request evidence tied to your real operating condition, not only a generic datasheet.

Frameless Servo Motor Kits	Request 2D/3D CAD and a drawing revision log: A useful package should identify controlled dimensions, interface datum, tolerance assumptions, and whether the model is for layout only or sample-release use.
Torque Motor Series	Torque-speed curve with continuous and peak zones: The curve should separate sustainable operating area from short-duration overload and state bus voltage, current limit, and thermal boundary.
Hollow Shaft Frameless Servo	Aperture-focused CAD package: Ask for CAD that clearly shows center ID, axial stack, cable exit, mounting references, and any keep-out notes used by the factory.

When to Move From Standard Product to OEM

The OD/ID/stack envelope cannot accept an existing variant without changing housing, cable, or retention.
The required torque-speed point falls outside the baseline curve once your voltage and duty cycle are applied.
The end customer requires program-specific cable, sensor, packaging, documentation, or traceability.
Sample approval depends on measurable temperature, noise, vibration, or repeatability limits.

Featured Products

A selection of commonly requested frameless-servo configurations from our OEM portfolio.

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