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Data Displays & Test Heads

Motorized Dynamometer Test Head Model 6610 DS

These test heads combine in spindle form an optical torque transducer, an optical encoder, a low inertia clutch and a synchronous drive motor.

They are available with full scale torque capacities from 1-Oz-In to 320-In-lbs.

Speed can be measured with an accuracy of I RPM and position can be measured with an accuracy of .1 degrees.

Outline Dimensions

Note: Length may vary with test head size. Consult factory for exact dimensions.

Model 6610- Dash No.	Max Torque Oz-in	Shaft Dia. 'A'	Shaft Length 'B'	Max Speed RPM	Total Moment of Inertia oz-in-sec	Friction Torque Oz-in	Max Continuous Watts
LJ1DS-SD	1.0	.1873 .1870	.200	3000	2.1 x 10^-4	.05	25
LJ2DS-SD	2.0
LJ3.2DS-SD	3.2
LJ5DS-SD	5.0					.1
LJ10DS-SD	10
10DS-SD	10	.2498 .2495	.560		3.5 x 10^-4
32DS-SD	32				4.4 x 10	.3	50
50DS-SD	50				4.4 x 10	.5	100
100DS-SD	100				11.7 x 10	1.0	100
160DS-SD	160	.4998	.940	2000	28.8 x 10	1.7	150
320DS-SD	320	.4998			28.8 x 10	3.2
400DS-SD	400	.4995			59.7 x 10^-4	4.0
512DS-SD	512	.4995			59.7 x 10^-4	5.1

Consult factory for larger torque capacities.

Test Head Description

The 6610 series of test heads combine in spindle form a Vibrac Optical Torque Transducer, an Optical Encoder, a Magnetic Clutch and a variable speed drive motor that is connected to the clutch through a worm drive system.

This combination of components enables these test heads to be used in both a loading mode and a driving mode.

In the loading mode, the worm drive system prevents the clutch from being back-driven and therefore it performs as a load brake.

In the driving mode, the clutch provides overload protection for the torque transducer.

The 6610DS-SD series of test heads were designed specifically for use with Vibrac's PC 3000 series instrumentation. This combination of test heads and instrumentation can produce turn-key systems for testing stepper motors, DC motors, brushless DC motors, actuators and other similar type components.

Model 6610 Test Head Specifications:

Torque Transducers: ±0.5% full scale accuracy
Position Encoder: 0.1 degree / 3600 pulses per revolution
Clutch: Magnetic Particle
Drive system: Bi-directional / Variable Speed (1 to 5 RPM)

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