Nmrv/Nrv Nmrv030 Worm Gear Speed Reducer Gearbox

• Application: Motor, Motorcycle, Machinery, Agricultural Machinery, Industry
• Hardness: Hardened
• Installation: Any Angle
• Gear Shape: Worm Gear
• Step: Single-Step
• Type: Worm and Wormwheel
• Color: Red, Blue, Grey, Yellow
• Manipulate Way: Semi-Automatic Manipulation
• Changes Way: Mixed
• Manufacturing Method: Cast Gear
• Material: Aluminum/Cast Iron
• Transport Package: Carton, Wooden Case, Plywood
• Specification: SGS
• Trademark: Kailida or OEM
• Origin: Zhejiang, China
• HS Code: 8483409000
• Production Capacity: 20000PCS/Month

Product Description

NMRV  REDUCTION WORM GEARBOX
The NMRV 030 single-stage worm gear motor delivers a torque of up to 24 Nm. Actual gear ratios range from 5 to 80. The motor gearbox includes a two- or four-pole asynchronous IEC standard motor with a power of 0.06 - 0.37 kW. The drive can be equipped with a reaction rod and an output flange.
Parts materials:
Housing and flanges - aluminum, worm - steel, worm wheel crown - bronze. 
Type of lubricant: synthetic ISO VG 320. 
Weight: 1.2 kg.

Type designation scheme

NMRV - 030 - 10 - 280 - 0.37 - B2

• NMRV - worm gear motor
• 030 - standard size (center distance, mm)
• 10 - gear ratio
• 280 - output shaft rotation speed, rpm
• 0.37 - electric motor power, kW
• B2 - mounting position

Performance characteristics of NMRV 030 gearboxes

i	n 1 = 2800 rpm				n 1 = 1400 rpm				n 1 = 900, rpm
	n 2 , rpm	T 2M , N * m	P kw	RD %	n 2 , rpm	T 2M , N * m	P kw	RD %	n 2 , rpm	T 2M , N * m	P kw	RD %
5	560	9	0.59	89	280	12	0.40	87	180	14	0.31	85
7.5	373	13	0.56	88	187	17	0.39	86	120	20	0.31	84
10	280	14	0.47	85	140	18	0.32	83	90	20	0.24	81
15	187	12	0.35	81	93	18	0.23	78	60	21	0.17	76
20	140	11	0.23	70	70	14	0.15	67	45	16	0.12	64
25	112	15	0.23	75	56	19	0.16	70	36	21	0.12	67
30	93	12	0.16	72	47	15	0.11	67	30	16	0.08	64
40	70	12	0.15	57	35	14	0.10	52	23	17	0.08	49
50	56	13	0.12	62	28	16	0.08	57	18	17	0.06	53
60	47	13	0.11	57	23	15	0.07	52	15	19	0.06	15
80	35	9	0.07	47	18	11	0.05	42	11	13	0.04	38

• i- gear ratio;
• n1 - rotational speed el. engine;
• n2 - revolutions on the output shaft;
• T 2M - torque on the output shaft;
• P is the maximum allowable engine power;
• RD - efficiency

GEARBOX FEATURE

1.Good quality,long life time,low noise.

2.Compact,convenient.

3.High efficiency,big torque.

 

Overall and mounting dimensions NMRV 030The NMRV030 motor gearbox has a wide range of gear ratios.
Gear ratios: 5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80 


Output flange to NMRV 030 gearbox

Geared NMRV030 can be supplied with unilateral or bilateral output shaft. 
The gearbox comes standard with a hollow output shaft





A torque arm is an additional option to the gearbox.

Model	NMRV SERIES
Single Stage	RV25-RV150
Ratio	7.5-100
Input Power	0.06KW-15KW
Output Speed	14-280rpm
Output Torque	5-1800Nm
Core parts	worm wheel,worm shaft
Core parts material	worm shaft:20 Cr Mn Ti,worm wheel:Nodular cast iron interal,9-4 copper external
Lubrication	RV30-90:synthetic oil, RV110-150:GN460-W mineral oil
Bearings	C&U