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NEMA 11 (28mm) Hybrid Stepper Motor with 3246 Worm Gearbox 66:1 & Integrated Closed-Loop Driver
Model GM3246-28HYB-32
Motor Type Hybrid Stepper Motor
Gearbox Type Worm Gearbox 3246
Gear Ratio 66:1
Driver Type Integrated Closed-Loop
Affiliated Classification:
NEMA Stepper Motor
NEMA 11(28mm)
Closed Loop Stepper Motor
Geared Stepper Motor
Worm Gear Motor
Product Accessories:
Product Description
⚙️ NEMA 11 Hybrid Stepper Motor – Precision Specifications
| 📐 Gear Ratio | 66:1 (Worm Gearbox integrated) |
|---|---|
| 🎯 Step Angle | 1.8° ±5% |
| 🔁 Number of Phases | 2 Phase |
| ⚡ Rated Voltage | 8.2 V |
| 💡 Rated Current per Phase | 0.8 A |
| 🔒 Holding Torque (Min.) | 0.8 kg·cm |
| 🌀 Detent Torque (Ref.) | 50 g·cm |
| 📊 Phase Resistance | 8.2 Ω ±10% |
| 🧲 Phase Inductance | 4.5 mH ±20% (1kHz 1V RMS) |
| ⚡ Dielectric Strength | 500 VAC / 1min / 5mA (Max.) |
| 🔌 Insulation Resistance | 500 VDC / 100 MΩ |
| 🌀 Rotor Inertia | 7.5 g·cm² |
| ⚖️ Weight | 85 g |
| 🌡️ Insulation Class / Temp Rise | Class B (130℃); Temperature Rise 80K (Max.) |
| 🌍 Operating Environment | -10℃ ~ 55℃ ; 20%RH ~ 90%RH |
| 📦 Storage Environment | -20℃ ~ 65℃ ; 15%RH ~ 90%RH |
🚀 Eliminate step loss – closed-loop ready💪 Boost torque 35% with custom winding🎛️ 0.9° microstep accuracy & zero vibration🔥 Reduce temperature rise by 15K with advanced lamination🔧 Integrate worm gear 66:1 – multiply torque instantly⚡ Plug & play closed-loop driver – stall prevention guaranteed
💡 Upgrade to NEMA 11 hybrid + 3246 gearbox: run smoother, hold tighter, last longer.
📏 Motor Dimension Drawing – NEMA 11 with Worm Gearbox
🐌 Worm Gearbox & Integrated Closed-Loop Drive – System Performance
| 🔧 Gearbox Type | Worm & Worm Wheel (蜗轮蜗杆) – 3246 Model |
|---|---|
| 📐 Reduction Ratio | 66:1 (Precision matched) |
| ⚙️ Backlash (Max.) | <1° (Ultra-low lost motion) |
| 📈 Efficiency (Typical) | 68% – optimized for holding torque |
| 🔁 Max Output Torque | 5.2 N·m (with 0.8A rated current) |
| 🎛️ Closed-Loop Control | Integrated encoder feedback | Stall detection & auto current reduction |
| 📡 Encoder Resolution | 1000 PPR (incremental) |
| ⚡ Drive Supply Voltage | 12–36 VDC (recommended for closed-loop) |
| 🔌 Control Interface | Pulse/Direction, CW/CCW, CLK+DIR |
| 🛡️ Protection Features | Over-current, over-voltage, thermal shutdown |
| 🧲 Holding Torque (System) | 0.8 kg·cm (motor) × gearbox gain = effective 45+ kg·cm at output |
| 🌡️ Operating Temp (Drive) | -10°C ~ +50°C, derating above 45°C |
🔍Keywords
NEMA 11 stepper motor hybrid stepping motor 28mm 66:1 worm gearbox stepper 3246 gearbox integrated closed-loop stepper drive 0.8A 2-phase stepper holding torque 0.8 kg·cm worm gear reducer NEMA 11 step angle 1.8° motor detent torque 50 g·cm 8.2V rated stepper Class B insulation stepper IP40? custom closed-loop zero stall positioning high torque density hybrid precision worm wheel drive motor inertia 7.5 g·cm² 3246 planetary alternative? worm type stepper with encoder feedback 28-32 hybrid step motor
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