Electric Motor NEMA 8 Micro Geared Reducer Stepper Motor for Robot Camera Medical Appliance

• Application: Nc Machine Tool
• Speed: Low Speed
• Number of Stator: Two-Phase
• Excitation Mode: HB-Hybrid
• Function: Driving
• Number of Poles: 2
• Operate Mode: Three Phase Double Beat
• Type: Magnetic-Electric
• Certification: ISO9001, CE, RoHS
• Brand: Jkongmotor
• Name: Stepper Motor
• Phase: 2
• Step Angle: 1.8degree
• Insulation Class: Class B
• Transport Package: Inner Pack and Poly and Master Carton and Pallet
• Specification: 50pcs per carton
• Trademark: Jkongmotor
• Origin: Jiangsu Changzhou
• HS Code: 8501109990
• Production Capacity: 50000piece/Month

Product Description

Specification: 

	Metal
Bearing at Output	Ball or Sleeve
Permissible overhung Load	≤2.5kg
Permissible Thrust Load	≤0.5kg
Radial Play of Shaft (near to Flange)	≤0.05mm
Axial Play of Shaft	≤0.3mm
Backlash at No-load	≤1°

  20HS Hybrid Stepping Motor Specifications

Model No.	Step Angle	Motor Length	Current /Phase	Resistance /Phase	Inductance /Phase	Holding Torque	# of Leads	Rotor Inertia	Motor Weight
	( °)	(L)mm	A	Ω	mH	g.cm	No.	g.cm	Kg
JK28HS32-0674	1.8	32	0.67	5.6	3.4	600	4	9	0.11
JK28HS32-0956	1.8	32	0.95	2.8	0.8	430	6	9	0.11
JK28HS45-0956	1.8	45	0.95	3.4	1.2	750	6	12	0.14
JK28HS45-0674	1.8	45	0.67	6.8	4.9	950	4	12	0.14
JK28HS51-0956	1.8	51	0.95	4.6	1.8	900	6	18	0.2
JK28HS51-0674	1.8	51	0.67	9.2	7.2	1200	4	18	0.2

Planetary Gearbox Specifications
 

Reduction ratio	4	5	16	19	22	64	76	90	107
Number of gear trains	1	1	2	2	2	3	3	3	3
Length of gearbox   mm	21	21	26	26	26	31	31	31	31
Max.rated torque   kg.cm	5	5	7	7	7	9	9	9	9
Short time permissible torque   kg.cm	10	10	15	15	15	20	20	20	20