CHANGZHOU JKONGMOTOR CO.,LTD
Changzhou Jkongmotor Co., Ltd. Professional Stepper & Bldc Motor Manufacture in China with 15+ Years Experience. Certification: CE Rohs Reach ISO9001 ISO14001
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High Torque Stepper Motor Nema34 3.5N.m - 12.2N.m With Gearbox Ratio 3:1 - 216:1
Genaral Specification of stepper motor gear reducer:
Housing Material : Metal
Bearing at Output : Ball Bearings
Max.Radial Load(12mm from flange) : ≤550N
Max.Shaft Axial Load : ≤500N
Backlash arcmin (arcmin) : ≤18
Electrical Specifications of nema 34 cnc stepper motor:
| Model No. | Step Angle | Motor Length | Current /Phase | Resistance /Phase | Inductance /Phase | Holding Torque | # of Leads | Detent Torque | Rotor Inertia | Mass |
| ( °) | (L)mm | A | Ω | mH | N.m | No. | Kg.cm | g.cm | Kg | |
| JK86HS68-3004 | 1.8 | 68 | 3.0 | 1.2 | 7.1 | 3.5 | 4 | 0.8 | 1000 | 1.7 |
| JK86HS68-2808 | 1.8 | 68 | 2.8 | 1.4 | 3.9 | 2.4 | 8 | 0.8 | 1000 | 1.7 |
| JK86HS78-5504 | 1.8 | 78 | 5.5 | 0.46 | 4 | 4.6 | 4 | 1.2 | 1400 | 2.3 |
| JK86HS78-4208 | 1.8 | 78 | 4.2 | 0.75 | 3.4 | 4.6 | 8 | 1.2 | 1400 | 2.3 |
| JK86HS115-6004 | 1.8 | 115 | 6.0 | 0.6 | 6.5 | 8.7 | 4 | 2.4 | 2700 | 3.8 |
| JK86HS115-4208 | 1.8 | 115 | 4.2 | 0.9 | 6 | 8.7 | 8 | 2.4 | 2700 | 3.8 |
| JK86HS155-6204 | 1.8 | 155 | 6.2 | 0.75 | 9 | 12.2 | 4 | 3.6 | 4000 | 5.4 |
| JK86HS155-4208 | 1.8 | 155 | 4.2 | 1.25 | 8 | 12.2 | 8 | 3.6 | 4000 | 5.4 |
Gearbox Electrical Specification of planetary gearbox:
| Stage | One stage | Two stage | Three stage |
| Ratio | 3,4,5,6 | 10,12,16,20,24,30,36 | 48,52.8,64,96,144,216 |
| Length (mm) L2 | 79 | 93 | 107 |
| Max.Input Rpm (Rpm) | 3000 | 3000 | 3000 |
| Max.Radial load (N) | 550 | 550 | 550 |
| Max.Shaft axial load (N) | 500 | 500 | 500 |
| Efficiency (%) | 85 | 80 | 75 |
| Lubricating system | Long-term | ||
