Name: 8.5mm 8520 high speed coreless motor
Brand: chaoli
Availability: InStock

Product Details

Product Description

1.This product

Below are the specifications and structures of the product, for more information, please feel free to contact us.
Furthermore, we provide customizable service of micro dc motor/generator, including consulting, design and manufacture services, all the products are made to your order.

BASIC INFORMATION		VOLTAGE		NO LOAD		AT MAXIMUM EFFICIENCY						STALL			Terminal resistance
Model	Calculate KV	Operation range	Nominal	Current	Speed	Current	Speed	Efficiency	Torque		Power	Current	Torque		Terminal resistance
Model	rpm /V	VDC	VDC	mA	r/min	mA	r/min	η_max	mN.m	gf.cm	mW	A	mN.m	gf.cm
CL-8520	5.9	6.0~8.0	7.0	80.0	41500	604.6	36651	75.29%	0.830	8.469	3186.4	4.57	7.106	72.48	1.53
	6.4	6.0~8.0	7.0	70.0	45000	591.6	40239	77.74%	0.764	7.793	3219.0	5.00	7.221	73.65	1.40
	6.9	6.0~8.0	7.0	100.0	48000	830.7	42842	77.37%	1.003	10.228	4498.6	6.90	9.332	95.19	1.01
	7.4	6.0~8.0	7.0	100.0	52000	836.7	46448	77.52%	0.933	9.521	4540.0	7.00	8.743	89.18	1.00
	10.9	1.5~4.0	3.2	120.0	35000	889.3	30839	74.83%	0.659	6.726	2129.3	6.59	5.546	56.57	0.49
	11.9	1.5~4.0	3.7	92.0	44000	651.2	38554	73.74%	0.440	4.489	1776.8	4.61	3.556	36.27	0.80
	12.6	1.5~4.0	3.4	140.0	43000	982.9	37639	73.54%	0.623	6.360	2457.3	6.90	5.001	51.01	0.49
	13.7	1.5~4.0	3.7	102.0	50700	675.2	44046	72.07%	0.390	3.982	1800.4	4.47	2.975	30.34	0.83
	14.0	1.5~4.0	3.0	190.0	42000	1311.3	36685	73.12%	0.749	7.637	2876.3	9.05	5.916	60.35	0.33
	16.0	1.5~3.7	2.4	170.0	38500	1166.2	33602	72.97%	0.580	5.920	2042.2	8.00	4.562	46.53	0.30
	17.7	1.5~3.7	2.4	280.0	42500	1446.2	35606	65.03%	0.605	6.174	2256.9	7.47	3.732	38.07	0.32
	18.0	1.5~3.7	3.2	270.0	57500	1697.3	49609	70.72%	0.739	7.541	3840.6	10.67	5.387	54.95	0.30

Special features/structure:
- Motor type: PMDC coreless motor
- Motor housing (D*F* L): Φ8.5*20mm
- Housing material: SECD-O
- Shaft (diameter): 1.0mm SUS304 steel (nickel coating)
- Way of commutation: Precious metal-brush
- Structure: 2-pole stator and hollow cup type
- Magnet type: Nd-Fe-B
- Rotation: CW/CCW and reversible
- Weight: 1.4g(approx)
Options:
- Length and shape for the extended shaft
- EMI/EMC suppression
- Gear, eccentric wheel or reducer Increased
- Magnet type
- Wire diameter and turn number
- Key parameters/performance
- Rated voltage: 4.1V DC
At no load:
- Speed: 36000rpm
- Current: 75mA
At maximum efficiency:
- Speed: 26000rpm
- Current: 1300mA
- Torque: 10gf.cm
- Output: 2.0W
At stall:

Current: 4.4A (maximum)
Torque: 36gf.cm

Application:

This product is widely used in: medical equipment, industrial equipment, navigation models, electrical tool and household appliances.

2.Our products

Following are the main products of our company, including coreless dc motors, brushed dc motors, flat vibration motors and micro generators, etc., covering a wide range of around 1,000 products.