NMRV REDUCTION WORM GEARBOX
NMRV 150 worm gear motor for general industrial use refers to angular type drives. The unit provides high output torque (up to 1760 N * m), withstands significant radial loads (up to 18 000 N). Robust cast iron body gear motor has a protective coating. Mounting options: feet / flange.
- reactive rod for reactive torque compensation
- outlet flange for securing to the frame
- variator attachment for regulating the output shaft rotation speed
- torque limiter
Body – iron, flanges – iron, worm – steel CHINAMFG worm wheel – bronze.
Type of lubricant: synthetic ISO VG 220.
Weight: 84 kg.
Type designation scheme
NMRV – 150 – 7.5 – 186.7 – 15 – B7
- NMRV – worm gear motor
- 150 – size (center distance, mm)
- 7.5 – gear ratio
- 186.7 – output shaft rotation speed, rpm
- 15 – electric motor power, kW
- B7 – mounting position
NMRV 150 gearbox performance
|i||n 1 = 2800 rpm||n 1 = 1400 rpm||n 1 = 900, rpm|
|n 2 ,
|T 2M ,
N * m
|n 2 ,
|T 2M ,
N * m
|n 2 ,
|T 2M ,
N * m
- 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
|1.Good quality,long life time,low noise.|
|3.High efficiency,big torque.|
Overall and mounting dimensions NMRV 150
NMRV150 gear motor has a wide range of gear ratios.
Gear ratios: 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100 .
Output flange to NMRV 150 gearbox
Geared NMRV150 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.
|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|
|Application:||Motor, Motorcycle, Machinery, Agricultural Machinery, Industry|
|Gear Shape:||Worm Gear|
|Type:||Worm and Wormwheel|
Steps to Replace a Faulty Gearbox in an Automobile
Replacing a faulty gearbox in an automobile is a complex task that requires proper tools, skills, and safety precautions. Here are the general steps involved in the process:
- Prepare the Vehicle: Park the vehicle on a flat surface and engage the parking brake. Disconnect the battery to ensure safety during the procedure.
- Drain Fluids: Drain the transmission fluid from the old gearbox into a suitable container.
- Disconnect Components: Remove any components obstructing access to the gearbox, such as the driveshaft, exhaust system, and linkage.
- Suspend the Engine: If necessary, use an engine hoist or support to suspend the engine safely.
- Support the Gearbox: Use a transmission jack to support the weight of the gearbox.
- Remove Gearbox: Detach the gearbox from the engine by removing bolts and disconnecting the clutch or torque converter.
- Install New Gearbox: Position the new gearbox onto the engine and secure it in place with bolts.
- Reconnect Components: Reattach the driveshaft, exhaust system, and linkage that were disconnected earlier.
- Refill Fluids: Fill the new gearbox with the appropriate transmission fluid according to the manufacturer’s specifications.
- Lower Engine: Carefully lower the engine back into its original position if it was suspended.
- Test and Adjust: Start the vehicle and test the new gearbox for proper operation. Check for any leaks, unusual noises, or gear shifting issues.
- Final Check: Double-check all connections and ensure that all components are properly secured.
- Dispose of Old Fluid: Dispose of the old transmission fluid safely and responsibly.
- Dispose of Old Gearbox: Properly dispose of the old gearbox according to local regulations.
It’s important to note that gearbox replacement can vary significantly depending on the vehicle’s make and model. It’s recommended to consult the vehicle’s service manual or seek professional assistance if you’re not experienced in automotive repair.
editor by CX 2023-10-04