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High-Performance Durable YHSA Hysteresis Clutch for Wire Machinery 1

High-Performance Durable YHSA Hysteresis Clutch for Wire Machinery 2

High-Performance Durable YHSA Hysteresis Clutch for Wire Machinery 3

High-Performance Durable YHSA Hysteresis Clutch for Wire Machinery 4

High-Performance Durable YHSA Hysteresis Clutch for Wire Machinery 5

High-Performance Durable YHSA Hysteresis Clutch for Wire Machinery 6

High-Performance Durable YHSA Hysteresis Clutch for Wire Machinery

Hysteresis clutches are a particular variant of electromagnetic couplers used when a constant torque from zero to the synchronous speed needs to be transmitted. Sunrise Group provides the hysteresis clutch with allowable rotating speed to 3000 r/min, rated current 1.0A.

Brand:

Sunrise Group

Model:

YHSA-1A

Allowable Rotating Speed:

3000 r/min

Weight:

3.5 kg

Power Consumption (75°C):

24 W

Rated Current (75°C):

1.0 A

Rated Voltage:

DC24V

Shaft Diameter:

14 mm

Size:

Rated Torque:

1 Nm

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Fig. 1 Structural diagrams of YHSA-1A hysteresis clutch (representative examples)

Hysteresis clutch structure and principle of operation

● Figures 1 show typical structures of hysteresis clutch.

● The hysteresis clutch is composed of three parts: stator, first rotor and second rotor.

● The stator has an exciting coil contained inside, and the first rotor comprises inner and outer magnetic poles. Between these magnetic poles, a cupshaped permanent magnet (not magnetized) of the second rotor is interposed.

● Suppose the first rotor is rotated to excite the exciting coil, a rotating magnetic field is generated in a gap formed by the inner and outer magnetic poles of the first rotor, and the permanent magnet of the second rotor placed in the gap is magnetized, but since the permanent magnet has a hysteresis characteristic, the change of polarity of the permanent magnet is later than that of the magnetic poles, thereby coupling the first rotor and second rotor magnetically, so that torque can be transmitted.

Hysteresis Clutch Feature

FAST RESPONSE

The torque of YHSA series electromagnetic hysteresis clutch is independent of slip speed. Torque is directly proportionate to coil current, thus the torque of each unit can be adjusted by varying the current. Once the current is stable, the torque remains constant.

REPEATABILITY

The YHSA series hysteresis clutches will always duplicate performance under identical operating conditions.

SMOOTH OPERATION

The YHSA series hysteresis clutch does not utilize mechanical friction; therefore, operation is smooth at any slip speed.

LONG LIFE

The YHSA series hysteresis clutch produces drag torque without physical contact (friction) of parts and are not subject to wear (except the normal wear of antifriction bearings).

EASY MOUNTING

Mounting is effortless - no adjustments to make, no gaps to set. The YHSA series hysteresis clutches may be mounted in the horizontal or vertical position.

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Specification

Model No.	YHSA-1A	YHSA-2A	YHSA-4A	YHSA-6A
Rated Torque(Nm)	1	2	4	6
Power Consumption(75°C) (W)	90	120	180	230
Max Voltage (V)	24	24	24	24
Rated resistance (Ω)	27	22	17	13
Max speed (rpm)	3000	3000	3000	3000

Hysteresis clutch dimension(unit: mm)

Model No.		YHSA-1A	YHSA-2A	YHSA-4A1	YHSA-6A
Installation size(mm)	L1	68	79	93	112
	L2	64	75	87	110
	L3	37	50	55	75
	L4	5	5	6	6
	L5	20	20	25	25
	L6	72	82	100	110
	L7	65	75	90	100
	D1	118	146	172	196
	D2(h7)	62	72	92	110
	D3	55	62	82	100
	D4	20	25	30	50
	D5	15	19	24	38
	D6	47	62	75	80
	D7	25	35	45	50
	R	7	7	9	9
	M	4-M4	4-M5	4-M6	6-M6
	d(H7)	11	14	19	30
	W(F7)	4	5	5	7
	T(+0.2	12.5	16	21	33

Hysteresis clutches exciting current VS torque

Hyster clutch exciting current vs torque

Hysteresis clutch torque adjustment

● The relation of torque and exciting current is almost proportional as shownabove, and therefore by adjusting the current, the torque can be easily adjusted.

● Set to a proper value in consideration of the finish of the product or working condition.

Hysteresis clutch|brake application

High-Performance Durable YHSA Hysteresis Clutch for Wire Machinery 17

Textile machinery

Fiber twisters, treatment machines, weaving machines

High-Performance Durable YHSA Hysteresis Clutch for Wire Machinery 18

Metal fishing systems

Extruders, wire stretchers, presses, welders, steel wire retractors, cutters, pipe makers, wire winding machines

High-Performance Durable YHSA Hysteresis Clutch for Wire Machinery 19

Machine tool systems

Lathes, Millers, steel extruders, CNC lathes, specialized machinery

High-Performance Durable YHSA Hysteresis Clutch for Wire Machinery 20

Transportation equipment

Hoists, feeders, conveyors, rollers, winders

Paper- making systems

Bag-making machines, box-making machines, slitters, book-making machinery, cutters, copy paper machines

Magnetic powder clutch Exciting current VS torque

Other machinery

Printing mchinery, wood-working machinerylaminators,testing machinery,food processing machinery, Li-battery machinerytire machinery

Application scenarios

Web guide & tension control system testing machine

Hysteresis clutch maintenance

Turn off the power, and make sure rotating elements are stopped.

● Unlike the other type of clutch and brake, hysteresis clutch and hysteresis brake are noncontact type. Therefore, it requires no adjustment which is otherwise required to compensate time-change. but please avoid to use the unit in the high temperature or high humidity or in the atmosphere full of dust.

● Check the coupling mounting bolts and others for looseness.

CAUTION for hysteresis clutch

High-Performance Durable YHSA Hysteresis Clutch for Wire Machinery 30

Use thermometer when measuring temperature.

High-Performance Durable YHSA Hysteresis Clutch for Wire Machinery 31

Don't touch directly by hand to avoid burns. Turn off the power source, and make sure the rotating elements are stopped still, and measure with thermometer.

High-Performance Durable YHSA Hysteresis Clutch for Wire Machinery 32

In the event of a serious trouble, call us directly by specifying the manufacturing model number together with the type name of the hysteresis clutch and hysteresis brake.

High-Performance Durable YHSA Hysteresis Clutch for Wire Machinery 33

Sunrise Group is not responsible for any damage or trouble caused by repair, disassembly or modification of the product by any third party other than Sunrise Group.

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If you have any questions about our products or services, feel free to reach out to customer service team.