CMN-NMRV Worm Gear Reducers/Worm Gearbox

CMN-NMRV worm gear reducers use a worm (a screw-like gear) that meshes with a worm wheel (a circular gear). The rotational motion of the worm is converted into a slower rotational motion of the worm wheel, providing a high reduction ratio. CMN-NMRV worm gearboxes are commonly used in industrial applications that require high reduction ratios, high torque output, and compact design. They are often found in machinery, conveyors, and other power transmission systems.

Categories: Worm Gearbox, RV Series Worm Gearbox Tags: Aluminum Worm Gearbox, Worm Drive Gearbox, Worm Gear Gearbox, Worm Gear Motor, Worm Gear Reducers, Worm Gear Speed Reducer, Worm Gearbox for Sale, Worm Gearbox Manufacturers, Worm Gearbox Suppliers, Worm Reducer Gearbox, Worm Reduction Gearbox, Worm Wheel Gearbox

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Description
Additional information

CMN-NMRV Worm Gearbox

CMN-NMRV Worm Gearbox Model & Marker

CMN-NMRV-063-30-VS-F1(FA)-AS-80B5-0.75kW-B3
CMN-NMRV	Worm geared motor
CMN-NRV	Worm reduction unit
063	Center distance
30	Reduction ratio
VS	Double input shaft	F1(FA)	Output flange
AS	Single output shaft	AB	Double output shaft
PAM	Fitted for motor coupling	80B5	Motor size & mounting position
0.75kW	Power of electric motor	B3	Mounting position

Mounting Position

Flange F-FL

Position of Terminal Box

Position of Output Shaft

Double Extension Worm Shaft

Position of Torque Arm

CMN-NMRV Worm Gear Reducer Dimensions

CMN-NMRV Inch Series

CMN-NMRV Worm Gear Reducer Dimensions

Hollow Output Bore		030	040	050	063	075	090	110	130
	RH	0.71	0.84	1.12	1.24	1.37	1.52	1.8	1.93
	SH	0.188	0.188	0.25	0.25	0.25	0.313	0.375	0.375
	UH	0.625+0.001 0	0.75+0.001 0	1+0.001 0	1.125+0.001 0	1.25+0.001 0	1.375+0.001 0	1.625+0.001 0	1.750
	VB	0.83	1.14	1.28	1.42	1.56	1.77	1.97	2.24

Output Shaft		030	040	050	063	075	090	110	130
	R	0.7	0.83	1.11	1.23	1.36	1.51	1.79	1.92
	S	0.188	0.188	0.25	0.25	0.25	0.313	0.375	0.375
	U	0.6250 -0.0005	0.750 -0.0005	10 -0.0005	0 -0.0005	1.250 -0.0005	1.3750 -0.0005	1.6250 -0.0005	1.750 -0.0005
	U KEY	0.1875x1.125	0.1875x1.5	0.25x1.5	0.25x1.875	0.25x2.25	0.3125x2.5	0.375x2.75	0.375x2.75
	UT	1/4-20	1/4-20	3/8-16	3/8-16	1/2-13	1/2-13	5/8-11	5/8-11
	V	1.57	1.97	1.97	2.36	2.76	3.15	3.54	3.54
	VA	1.67	2.09	2.11	2.5	2.89	3.33	3.72	3.74
	Y	5.82	7.25	7.84	9.41	10.5	12.17	13.54	14.17

CMN-NMRV	030	040	050	063	075	090	110	130
A	2.48	3.07	3.62	4.41	4.72	5.51	6.1	6.69
B	2.24	2.81	3.31	4.02	4.69	5.31	6.59	7.38
BA	2.56	2.95	3.35	3.74	4.53	5.12	6.5	8.46
BC	2.95	3.43	3.94	4.33	5.51	6.3	7.87	9.84
BH	90 °	45 °	45 °	45 °	45 °	45 °	45°	45 °
BK	2.165 0 -0.0018	2.362 0 -0.0018	2.756 0 -0.0018	3.15 0 -0.0021	3.74 0 -0.0021	4.331 0 -0.0021	5.118 0 -0.0025	7.087 0 -0.0025
BL	M6x11	M6x10	M8x10	M8x14	M8x14	M10x18	M10x18	M12x21
C	1.18	1.57	1.97	2.48	2.95	3.54	4.33	5.12
D	1.57	1.97	2.36	2.83	3.39	4.06	5.02	5.81
E	2.13	2.76	3.15	3.94	4.72	5.51	6.69	7.87
F	1.73	2.36	2.76	3.35	3.54	3.94	4.53	4.72
G	0.22	0.26	0.28	0.31	0.39	0.43	0.57	0.61
H	0.26	0.26	0.33	0.33	0.45	0.51	0.55	0.63
J	3.15	3.98	4.76	5.75	6.85	8.19	9.94	11.52
K	1.26	1.69	1.93	2.64	2.83	2.91	-	-
L	2.2	2.8	3.35	4.06	4.41	5.12	5.67	6.1
M	2.28	2.87	3.43	4.17	4.49	5.28	5.83	6.38
N	1.06	1.38	1.57	1.97	2.36	2.76	3.35	3.94
O	3.82	4.78	5.67	6.85	8.07	9.37	11.61	13.19
P	2.64	3.15	3.54	4.13	4.96	5.63	6.81	7.6
Q	0.83	2.36	2.91	3.54	4.13	4.92	5.59	6.38
T	1.73	2.17	2.52	3.15	3.66	4.02	4.92	5.51
Z	2.91	3.63	3.92	4.71	5.25	6.09	6.77	7.09

Output Flange		AA	AB	AC	AD	AF	AG	AH	AK		AL
030	FA	2.68	2.15	3.15	2.76	0.24	0.16	45°	1.969	+0.0015 0	0.26
040	FA	2.95	2.64	4.33	3.74	0.28	0.16	45°	2.362	+0.0018	0.35
										0
	FB	2.95	3.82	4.33	3.74	0.28	0.16	45°	2.362	+0.0018 0	0.35
	FC	4.53	3.15	5.51	-	0.35	0.2	45°	3.74	+0.0021 0	0.37
	FD	3.94	2.28	4.72	-	0.47	0.2	45°	3.15	+0.0018	0.35
										0
050	FA	3.35	3.54	4.92	4.33	0.35	0.2	45°	2.756	+0.0018	0.43
										0
	FB	3.35	4.72	4.92	4.33	0.35	0.2	45°	2.756	+0.0018 0	0.43
	FC	5.12	3.5	6.3	-	0.39	0.2	45°	4.331	+0.0021 0	0.37
	FD	4.53	2.83	5.51	-	0.57	0.2	45°	3.543	+0.0021	0.43
										0
063	FA	4.13	3.23	7.09	5.59	0.39	0.24	45°	4.528	+0.0021	0.43
										0
	FB	5.91	4.41	7.09	5.59	0.39	0.24	45°	4.528	+0.0021	0.43
										0
	FC	6.5	3.86	7.87	-	0.39	0.2	45°	5.118	+0.0025 0	0.43
	FD	6.5	4.21	7.87	-	0.39	0.2	45°	5.118	+0.0025	0.43
										0
	FE	5.12	3.17	6.3	-	0.65	0.2	45°	4.331	+0.0021	0.43
										0
075	FA	6.5	4.37	7.87	6.69	0.51	0.24	45°	5.118	+0.0025	0.55
										0
	FB	5.12	3.54	6.3	-	0.51	0.24	45°	4.331	+0.0021	0.55
										0
090	FA	6.89	4.37	8.27	8.27	0.51	0.24	45°	5.984	+0.0025	0.55
										0
	FB	8.46	4.8	9.84	-	0.71	0.24	45°	7.087	+0.0025 0	0.55
	FC	6.5	4.33	7.87	-	0.67	0.24	45°	5.118	+0.0025 0	0.43
	FD	6.89	5.94	8.27	-	0.51	0.24	45°	5.984	+0.0025	0.55
										0
110	FA	9.06	5.16	11.02	10.24	0.59	0.24	45°	6.693	+0.0025	0.55
										0
	FB	9.06	7.09	11.02	10.24	0.59	0.24	45°	6.693	+0.0025	0.55
										0
130	FA	10.04	5.51	12.6	11.42	0.59	0.24	22.5°	7.087	+0.0025 0	0.63

Input Shaft		030	040	050	063	075	090	110	130
	SB	0.094	0.125	0.188	0.188	0.188	0.188	0.25	0.25
	RB	0.42	0.55	0.7	0.83	0.96	0.96	1.24	1.36
	UB	0.3750 -0.0005	0.50 -0.0005	0.6250 -0.0005	0.750 -0.0005	0.8750 -0.0005	0.8750 -0.0005	1.1250 -0.0005	1.250 -0.0005
	UB KEY	0.094x0.875	0.125x0.875	0.1875x1.125	0.1875x1.5	0.1875x1.875	0.1875x1.875	0.25x2.25	0.25x2.5
	UR	-	1/4-20	1/4-20	1/4-20	1/4-20	1/4-20	3/8-16	1/2-13
	VN	1.18	1.18	1.58	1.97	2.36	2.36	2.76	3.15

High Speed Extension Shaft Dimensions

CMN-NMRV	EA	U	VN	UR	S2	R2	KEY
CMN-NMRV	EA	U	VN	UR	S2	R2	Length	Square
030	1.772	0.3750 -0.0005	1.18	-	0.093	0.42	0.875	0.094
040	2.087	0.50 -0.0005	1.18	1/4-20	0.13	0.55	0.875	0.125
050	2.52	0.6250 -0.0005	1.58	1/4-20	0.19	0.7	1.125	0.188
063	2.953	0.750 -0.0005	1.97	1/4-20	0.19	0.83	1.5	0.188
075	3.543	0.8750 -0.0005	2.36	1/4-20	0.19	0.96	1.875	0.188
090	4.252	0.8750 -0.0005	2.36	1/4-20	0.19	0.96	1.875	0.188
110	5.315	1.1250 -0.0005	2.76	3/8-16	0.25	1.24	2.25	0.25
130	6.102	1.250 -0.0005	3.15	1/2-13	0.25	1.36	2.5	0.25

Torque Arm Dimensions

	I	IA	IL	IR	IW
025	2.76	0.69	0.31	0.59	0.55
030	3.35	0.94	0.31	0.59	0.55
040	3.94	1.24	0.39	0.71	0.55
050	3.94	1.52	0.39	0.71	0.55
063	5.91	1.93	0.39	0.71	0.55
075	7.87	1.87	0.79	1.18	0.98
090	7.87	2.26	0.79	1.18	0.98
110	9.84	2.44	0.98	1.38	1.18
130	9.84	2.72	0.98	1.38	1.18

Protective Cover Dimensions

CMN-NMRV	Q
030	1.65
040	1.97
050	2.28
063	2.72
075	2.91
090	3.39
110	3.7
130	4.02

NEMA Flange Availability

CMN-NMRV

NEMA
Flange

Input Bore
Diameter

Available Ratios

7.5

100

030

48C

0.5

●

040

56C

0.625

●

050

56C

0.625

●

063

56C

0.625

●

140TC

0.875

●

075

56C

0.625

●

140TC

0.875

●

180TC

1.125

●

090

56C

0.625

●

140TC

0.875

●

180TC

1.125

●

110

140TC

0.875

●

180TC

1.125

●

210TC

1.375

●

130

140TC

0.875

●

180TC

1.125

●

210TC

1.375

●

CMN-NMRV Worm Gear Reducer Advantages

High Reduction Ratios
CMN-NMRV worm gear reducers provide exceptionally high reduction ratios in a single stage, making them ideal for applications requiring significant speed reduction. This capability eliminates the need for additional stages, simplifying the design and reducing system complexity.
Compact and Lightweight Design
Their compact structure and lightweight aluminum alloy housing make them suitable for applications with limited space. The small form factor ensures easy installation and integration into systems while maintaining high performance and durability, even under demanding conditions.
High Torque Output
These worm drive gearboxes are capable of delivering high torque, essential for powering heavy-duty machinery. This feature ensures reliable performance in industrial applications, including conveyors, mixers, and other systems requiring substantial force for operation.
Smooth and Quiet Operation
Due to their unique design, CMN-NMRV worm gear reducers operate with minimal noise and vibration. This makes them suitable for noise-sensitive environments, such as food processing plants, laboratories, or residential areas where quiet operation is critical.
Durable and Corrosion-Resistant Housing
The use of high-quality aluminum alloy or cast iron housing ensures excellent resistance to wear, corrosion, and environmental conditions. This durability allows the worm reducer gearboxes to maintain long-term efficiency, even in harsh industrial or outdoor settings.
Versatility and Customization Options
CMN-NMRV worm gear speed reducers are available in various configurations, sizes, and mounting options, allowing them to be tailored to specific applications. Their adaptability makes them a preferred choice for diverse industries, from automotive to manufacturing and beyond.

Worm Gear Reducer Advantages

CMN-NMRV Worm Drive Gearbox Applications

Conveyor Systems
CMN-NMRV worm drive gearboxes are widely used in conveyor systems for material handling. Their high torque and smooth operation ensure precise and efficient movement of goods in industries like logistics, manufacturing, and food processing, even under heavy loads.
Packaging Machinery
These worm gearboxes are essential in packaging equipment, where compact size and precision are critical. They help drive components like belts, rollers, and sealing mechanisms, ensuring reliable and high-speed operation in automated packaging lines.
Industrial Mixers and Agitators
In industries such as chemical, pharmaceutical, and food production, CMN-NMRV industrial worm gearboxes power mixers and agitators. Their ability to deliver high torque and handle variable speeds ensures consistent mixing, even in applications requiring high viscosity materials.
Cranes and Hoists
The heavy duty worm drive gearboxes are used extensively in cranes and hoists due to their robust torque capabilities and reliability. They allow smooth lifting and lowering of heavy materials, making them suitable for construction, shipping, and warehousing industries.
Automated Gates and Barriers
In security and access control systems, CMN-NMRV worm reduction gearboxes are used to power automated gates, barriers, and turnstiles. Their compact design, quiet operation, and precision make them ideal for residential, commercial, and industrial settings.
Agricultural Machinery
These worm gear reducer gearboxes play a vital role in agricultural equipment such as poultry feeding equipment and irrigation systems. Their efficient power transmission and durability ensure reliable operation in demanding outdoor environments, boosting productivity in the agricultural sector.


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