Linear DC Motors, Voice Coil Motors (VCM) or Voice Coil Actuators (VCA) are the simplest type of electric motors. These motors consist of two separate parts; the magnetic housing and the coil.

Applying a voltage across the terminals of the motor causes the motor to move to one direction. Reversing the polarity of the applied voltage will move the motor to the opposite direction. The generated force is proportional to the current that flows through the motor coil. This force is almost constant in the specified stroke range of the motor.

The non-commutated motor construction increases reliability. The direct coupling of the motor to the load allows for fast acceleration / deceleration and high speed operation.

Very high speeds and accelerations can be easily achieved.

The moving part is supported by a built-in linear bearing.

Comparison Table

Housing Outside Diameter, 2.000 inch, 50.8 mm
Model #	Stroke		Continuous Force		Intermittent Force @ 10% Duty Cycle		Housing Length
GVCM-051-025-01	0.50	inch	5.3	lb	16.7	lb	1.00	inch
data sheet in PDF	12.7	mm	23.5	N	74.4	N	25.4	mm
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Comparison Table

Housing Outside Diameter, 2.000 inch, 50.8 mm
Model #	Stroke		Continuous Force		Intermittent Force @ 10% Duty Cycle		Housing Length
GVCM-051-032-01	0.75	inch	5.7	lb	18.1	lb	1.25	inch
data sheet in PDF	19.1	mm	25.5	N	80.4	N	31.7	mm
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Linear Voice Coil Motors with Internal Bearing Comparison Table
Model #	Stroke		Continuous Force		Intermittent Force @ 10% Duty Cycle		Force Constant		Coil Mass		Body Mass		Housing Outside Diameter		Housing Length
GVCM-051-025-01	0.75	inch	6.3	lb	19.9	lb	1.8	lb/A	5.7	oz	23.6	oz	2.000	inch	2.00	inch
data sheet in PDF	19.1	mm	28.0	N	88.6	N	8.0	N/A	162	gr	668	gr	50.8	mm	50.8	mm
GVCM-051-032-01	0.75	inch	6.3	lb	19.9	lb	1.8	lb/A	5.7	oz	23.6	oz	2.000	inch	2.00	inch
data sheet in PDF	19.1	mm	28.0	N	88.6	N	8.0	N/A	162	gr	668	gr	50.8	mm	50.8	mm
GVCM-051-051-01	0.75	inch	6.3	lb	19.9	lb	1.8	lb/A	5.7	oz	23.6	oz	2.000	inch	2.00	inch
data sheet in PDF	19.1	mm	28.0	N	88.6	N	8.0	N/A	162	gr	668	gr	50.8	mm	50.8	mm
GVCM-051-064-01	1.25	inch	6.6	lb	20.9	lb	2.2	lb/A	6.8	oz	28.9	oz	2.000	inch	2.50	inch
data sheet in PDF	31.8	mm	29.4	N	92.9	N	9.6	N/A	192	gr	818	gr	50.8	mm	63.5	mm
GVCM-051-089-01	2.25	inch	5.9	lb	18.6	lb	2.3	lb/A		oz		oz	2.000	inch	3.50	inch
	57.2	mm	26.2	N	82.7	N	10.1	N/A		gr		gr	50.8	mm	88.9	mm
GVCM-051-165-01	5.25	inch	4.8	lb	15.3	lb	2.4	lb/A		oz		oz	2.000	inch	6.50	inch
	133.4	mm	21.5	N	68.1	N	10.6	N/A		gr		gr	50.8	mm	165.1	mm
GVCM-070-038-01	0.50	inch	14.5	lb	45.9	lb	4.7	lb/A	0.52	lb	2.10	lb	2.750	inch	1.50	inch
data sheet in PDF	12.7	mm	64.6	N	204.4	N	21.2	N/A	234	gr	0.93	kg	69.9	mm	28.6	mm
GVCM-070-051-01	1.00	inch	14.6	lb	46.0	lb	5.5	lb/A	0.62	lb	2.70	lb	2.750	inch	2.00	inch
data sheet in PDF	25.4	mm	64.7	N	204.3	N	24.4	N/A	282	gr	1.22	kg	69.9	mm	50.8	mm
GVCM-070-064-01	1.50	inch	14.4	lb	45.5	lb	2.5	lb/A	0.77	lb	3.30	lb	2.750	inch	2.50	inch
data sheet in PDF	38.2	mm	64.0	N	202.0	N	11.0	N/A	350	gr	1.50	kg	69.9	mm	63.5	mm
GVCM-095-038-01	0.50	inch	23.1	lb	73.1	lb	8.5	lb/A	0.81	lb	4.03	lb	3.750	inch	1.50	inch
data sheet in PDF	12.7	mm	102.7	N	324.4	N	38.0	N/A	368	gr	1.83	kg	95.3	mm	28.6	mm
GVCM-095-051-01	1.00	inch	23.4	lb	70.0	lb	10.1	lb/A	0.96	lb	5.29	lb	3.750	inch	2.0	inch
data sheet in PDF	25.4	mm	104.0	N	328.7	N	44.8	N/A	437	gr	2.40	kg	95.3	mm	50.8	mm
GVCM-095-064-01	1.50	inch	23.1	lb	73.1	lb	4.8	lb/A	1.17	lb	6.55	lb	3.750	inch	2.50	inch
data sheet in PDF	38.2	mm	102.7	N	102.7	N	21.1	N/A	529	gr	2.97	kg	95.3	mm	63.5	mm

The intermittent force at 10% duty cycle is equal to 3.16 times the continuous force.

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