Stepper Motors

Incorporated with the aim of designing and manufacturing technically superior and competitively priced of Stepper Motors. A stepper motor is an electromechanical device which converts electrical pulses into discrete mechanical movements. Our dedicated team of design engineers and technicians coupled with sophisticated machines ensure a product high both in, quality and reliability. Our design and manufacturing processes have been set to incorporate any changes in technical specifications.

Industrial Unipolar Stepper Motor

Item Code : D-48-42-U

We are one of the leading manufacturer and exporter of unipolar stepper motor in 7.5 degree, double stacked motors for high torque at lower speeds. Technical Specifications:

Specifications		D- 48- 42- U29	D- 48- 42-U28	D- 48- 42-U24
.	Units	Unipolar, Medium Torque	Unipolar, High Torque	Unipolar, High Torque
Operating Voltage	V	6	12	24
Resistance per phase	W	3	11	24
Inductance per phase	mH	1.5	6	12
Holding Torque	mNm (oz-in)	80.0 (11.36)	107.8 (15.31)	114.7 (16.3)
Detent Torque	mNm (oz-in)	18.5 (2.67)	18.5 (2.67)	18.5 (2.67)
Rotor Inertia	g-m²	25.6 x 10^-4	25.6 x 10^-4	25.6 x 10^-4
Weight	gms (oz)	185 (6.52)	185 (6.52)	185 (6.52)
Step Angle	degrees	7.5	7.5	7.5
Step angle accuracy	^o	/- 0.5^o	/- 0.5^o	/- 0.5^o
Max. operating temperature	^oC	100	100	100
Dielectric strength	-	1000 VAC for 1 min.	1000 VAC for 1 min.	1000 VAC for 1 min.
End play	mm (in)	0.2 (0.008)	0.2 (0.008)	0.2 (0.008)

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Industrial Bipolar Stepper Motor

Item Code : B-48-42-B

At, Precision Motors Private Limited, we offer bipolar stepper motors in 7.5 degree, 42 mm thin type (16 mm only). Our bipolar motors have a high speed operation with very good torques at high speeds. Technical Specifications:

Specifications		B- 48- 42- B10	B- 48- 42- B15	B- 48- 42-B18	B- 48- 42- B112
.	Units	Bipolar, Medium Torque	Bipolar, High Torque	Bipolar, High Torque, High Speed	Bipolar, High Torque, High Speed
Operating Voltage	V	6	12	24	25
Resistance per phase	W	5.5	12	30	8.5
Inductance per phase	mH	3	6	12	6.5
Holding Torque	mNm (oz-in)	64.5 (9.15)	123 (17.5)	102 (14.5)	113 (16.6)
Detent Torque	mNm (oz-in)	12.25 (1.74)	12.25 (1.74)	12.25 (1.74)	12.25 (1.74)
Rotor Inertia	g-m²	12.8 x 10^-4	12.8 x 10^-4	12.8 x 10^-4	12.8 x 10^-4
Weight	gms (oz)	95 (3.35)	95 (3.35)	95 (3.35)	95 (3.35)
Step Angle	degrees	7.5	7.5	7.5	7.5
Step angle accuracy	^o	/- 0.5^o	/- 0.5^o	/- 0.5^o	/- 0.5^o
Max. operating temperature	^oC	100	100	100	100

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Unipolar Stepper Motor

Item Code : B-48-42-U

We design and manufacture unipolar stepper motor in 7.5 degrees, 42 mm thin type (16 mm only) with high torque for its size. Technical Specifications:

Specifications		B- 48- 42- U19	B- 48- 42-U110	B- 48- 42- U14	B- 48- 42- U122
.	Units	Unipolar, Medium Torque	Unipolar, Medium Torque	Unipolar, High Torque	Unipolar, High Torque
Operating Voltage	V	6	12	24	35
Resistance per phase	W	6	24	48	68
Inductance per phase	mH	1.5	7	12	24
Holding Torque	g-cm	420	630	890	890
Detent Torque	g-cm	120	120	120	120
Rotor Inertia	g-m²	10.6 x 10^-4	10.6 x 10^-4	10.6 x 10^-4	10.6 x 10^-4
Weight	gms	90	90	90	90
Step Angle	degrees	7.5	7.5	7.5	7.5
Step angle accuracy	^o	/- 0.5^o	/- 0.5^o	/- 0.5^o	/- 0.5^o
Max. operating temperature	^oC	100	100	100	100
Dielectric strength	-	1000 VAC for 1 min.	1000 VAC for 1 min.	1000 VAC for 1 min.	1000 VAC for 1 min.

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Bipolar Stepper Motor

Item Code : D-48-42-B

We offer bipolar stepper motors in 7.5 degree, double stacked motors for high torques at lower speeds. Technical Specifications:

Specifications		D- 48- 42- B27	D- 48- 42- B25	D- 48- 42- B28
.	Units	Bipolar, Medium Torque	Bipolar, High Torque	Bipolar, High Torque
Operating Voltage	V	6	12	24
Resistance per phase	W	2.7	6	15
Inductance per phase	mH	3	6	12
Holding Torque	mNm (oz-in)	94.9 (13.47)	148 (21.1)	164 (23.3)
Detent Torque	mNm (oz-in)	18.5 (2.67)	18.5 (2.67)	18.5 (2.67)
Rotor Inertia	g-m²	25.6 x 10^-4	25.6 x 10^-4 /TD>	25.6 x 10^-4
Weight	gms (oz)	185 (6.52)	185 (6.52)	185 (6.52)
Step Angle	degrees	7.5	7.5	7.5
Step angle accuracy	^o	/- 0.5^o	/- 0.5^o	/- 0.5^o
Max. operating temperature	^oC	100	100	100
Dielectric strength	-	1000 VAC for 1 min.	1000 VAC for 1 min.	1000 VAC for 1 min.
End play	mm (in)	0.2 (0.008)	0.2 (0.008)	0.2 (0.008)

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High Torque Stepper Motor

Item Code : A-48-42

We design and manufacture stepper motor in 7.5 degree NEMA 17, 42 mm dia motor, available in unipolar and bipolar formats and in different voltages. Technical Specifications:

Specifications		D- 48- 42- B27	D- 48- 42- B25	D- 48- 42- B28
.	Units	Unipolar, Low Torque	Unipolar, High Torque	Bipolar, High Torque
Operating Voltage	V	5	24	24
Rated Current	mA	900	700	1200
Resistance per phase	§	5.3	34	20
Inductance per phase	mH	3.8	17.5	17
Holding Torque	g-cm	340(2ph)	650(2ph)	880
Detent Torque	g-cm	42	42	42
Rotor Inertia	g-m²	8.5 x 10^-4	6.5 x 10^-4	6.5 x 10^-4
Weight	gms	120	120	120
Step Angle	degrees	7.5	7.5	7.5
Step angle accuracy	^o	/- 0.5^o	/- 0.5^o	/- 0.5^o
Max. operating temperature	^oC	100	100	100
Dielectric strength	-	1000 VAC for 1 min.	1000 VAC for 1 min.	1000 VAC for 1 min.
End play	mm	0.2	0.2	0.2

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Mr. Natesan Chandrasekaran (Managing Director)
129, Burma Colony, Perungudi
Chennai, Tamil Nadu - 600 096, India
Telephone: +(91)-(44)-24964464/ 42629064

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