Application Scenarios
Picture a small-batch electronics manufacturer struggling with inconsistent positioning on their desktop pick-and-place machine. Components shift slightly during placement, causing rework rates to spike. The K&S 2H17SH-KS02 directly solves this challenge. Used to drive the XY positioning stage, this stepper motor provides the smooth, repeatable motion needed to place fine-pitch components with confidence. The K&S 2H17SH-KS02 is also the go-to actuator for 3D printer Z-axis and extruder drives, where its low vibration profile ensures clean layer alignment and high-quality prints . In laser engraving and small CNC routing, the K&S 2H17SH-KS02 delivers the torque consistency required to maintain cutting precision across varying material densities, directly addressing the pain point of lost steps under load.
Parameters
| Main Parameters | Value/Description |
|---|---|
| Product Model | 2H17SH-KS02 |
| Manufacturer | K&S (K&S Motion Technology / Kulicke & Soffa) |
| Product Category | Two-Phase Hybrid Stepping Motor |
| Step Angle | 1.8° (200 steps/revolution) |
| Rated Current (Per Phase) | 1.7 A |
| Holding Torque | ≥ 0.41 N·m (4.2 kg·cm) |
| Phase Inductance | Optimized for low-inductance, high-speed operation |
| Insulation Class | Class B (130°C) |
| Rotor Inertia | Approx. 54 g·cm² |
| Shaft Diameter | 5 mm |
| Mounting Standard | NEMA 17 (42mm x 42mm flange) |
| Lead Wire Count | 4 wires (A+, A-, B+, B-) |
| Operating Temperature | -20°C to +50°C |
| Protection Rating | IP40 (open frame, suitable for indoor equipment) |
Technical Principles and Innovative Values
Innovation Point 1: Hybrid Stepper Design with High-Grade Magnetics. The K&S 2H17SH-KS02 employs a hybrid stepper architecture that combines the best of permanent magnet and variable reluctance designs. It uses high-grade neodymium magnets to achieve superior torque density within the compact NEMA 17 footprint . This means the K&S 2H17SH-KS02 delivers more holding torque per unit volume than conventional designs, making it exceptionally efficient in space-constrained automation platforms.
Innovation Point 2: Optimized Torque-Flatness Curve. Unlike many budget motors that lose torque rapidly at mid-range speeds, the maintains over 80% of its holding torque at speeds below 1000 RPM . This flat torque curve ensures reliable performance in applications requiring sustained force without the need for oversized motors or complex gearing, reducing both cost and mechanical complexity.
Innovation Point 3: Low-Vibration, Quiet Operation. The rotor assembly of the is precision-balanced to minimize vibration even at high step rates (up to 3000 steps/second) . This makes the significantly quieter than competing products, a critical advantage for office environments, medical devices, or noise-sensitive laboratory automation where acoustic comfort is a key purchasing factor.
Innovation Point 4: Future-Ready for Closed-Loop Upgrades. While natively an open-loop stepper, the features a mechanical structure fully compatible with aftermarket encoder integration for closed-loop stepper systems . This design foresight allows engineers to start with a cost-effective open-loop solution and upgrade to a closed-loop, stall-detection system later without changing the motor itself, providing a clear upgrade path.
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