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Motor Mounts and Stock Motors

Joyce motor mounts allow direct coupling to the motor shaft on either the right or the left side of the jack input shaft. For easy installation 2-ton through 20-ton jacks are available with motor mount adapters for standard NEMA C-faced motors. Jacks supplied with motor mounts are available with and without NEMA c-faced motors. When motors are included they come with the necessary hardware and coupling keys. Contact Joyce/Dayton about other types of motor mounts (i.e. pneumatic, servo, etc).

Design considerations:

All standard motors are 3-phase, 60 Hz., 208-230/460 VAC or 230/460 VAC. Other motor options are available. Maximum 1750 RPM input.
It is important to consider the input torque a direct drive motor must deliver at start up.
Brake motors (M2) are recommended for double lead jacks, ball screw jacks and actuators, and electric cylinders that are more than 30% efficient.
If the motor frequency will be varied to provide a “soft” start, an inverter duty motor may be needed.

Note: JAX Online may not accurately calculate horsepower required for systems having direct drive motors. Contact [email protected] for assistance.

Ordering Information:

Since motor mounts are mounted directly onto jacks and actuators, they are specified as part of the complete part number. Refer to the ordering section for the products on which they will be used.

Product Media

STOCK MOTORS AND SERVO MOTOR ENGINEERING INFORMATION 2D/3D DRAWINGS

Note: Drawings are artist's conception - not for certification; dimensions are subject to change without notice.

MOTOR MOUNT DIAGRAM

Motor mounts are aluminum

Motor Mount Dimensions
Capacity	NEMA Frame Size	A	B
2 ton	56C	6.25	.50
2 ton	140TC	6.25	.50
2.5 ton	56C	6.25	.50
2.5 ton	140TC	6.25	.50
3 ton	56C	6.25	.50
3 ton	140TC	6.25	.50
5 ton	56C	7.25	.50
	140TC	7.25	.50
	180TC	8.00	.63
10 ton	56C	8.25	.50
	140TC	8.25	.50
	180TC	9.00	.63
15 ton	56C	8.25	.50
	140TC	8.25	.50
	180TC	9.00	.63
20 ton	56C	8.25	.50
	140TC	8.25	.50
	180TC	9.00	.63
	210TC	9.75	.88

Motor Dimensions
HP	NEMA Frame Size	C	D	E	F
1/3	56C	7.06	9.31	5.94	4.25
1/2	56C	7.06	9.31	5.94	4.25
3/4	56C	7.06	9.31	5.94	4.25
1	143TC	7.19	10.25	6.34	4.56
1 1/2	145TC	7.19	10.25	6.34	4.56
2	145TC	7.19	11.25	6.34	4.56
3	182TC	9.06	17.38	7.50	4.56
5	184TC	9.06	18.75	7.50	4.56
7 1/2	213TC	10.85	15.81	7.50	8.25

Ordering information is found within specific product sections.

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