Product Description
Product description
Professional Standard Differential Gearbox for Lifting Mechanism Elevator
NRV |
030 |
040 |
050 |
063 |
075 |
090 |
110 |
130 |
150 |
B |
20 |
23 |
30 |
40 |
50 |
50 |
60 |
80 |
80 |
D1 |
9 j6 |
11 j6 |
14 j6 |
19 j6 |
24 j6 |
24 j6 |
28 j6 |
30 j6 |
35 j6 |
G2 |
51 |
80 |
74 |
90 |
105 |
125 |
142 |
162 |
195 |
G3 |
45 |
53 |
64 |
75 |
90 |
108 |
135 |
155 |
175 |
I |
30 |
40 |
50 |
63 |
75 |
90 |
110 |
130 |
150 |
b1 |
3 |
4 |
5 |
6 |
8 |
8 |
8 |
8 |
10 |
f1 |
– |
– |
M6 |
M6 |
M8 |
M8 |
M10 |
M10 |
M12 |
t1 |
10.2 |
12.5 |
16 |
21.5 |
27 |
27 |
31 |
33 |
38 |
NRV-NMRV |
030-040 |
030-050 |
030-063 |
040-075 |
040-090 |
050-105 |
050-110 |
063-130 |
063-150 |
B |
20 |
20 |
20 |
23 |
23 |
30 |
30 |
40 |
40 |
D1 |
9 j5 |
9 j6 |
9 j6 |
11 j6 |
11 j6 |
14 j6 |
14 j6 |
19 j6 |
19 j6 |
G2 |
51 |
51 |
51 |
60 |
00 |
74 |
74 |
90 |
90 |
I |
10 |
20 |
33 |
35 |
50 |
60 |
60 |
67 |
87 |
b1 |
3 |
3 |
3 |
4 |
4 |
5 |
5 |
6 |
6 |
f1 |
– |
– |
– |
– |
– |
M6 |
M6 |
M6 |
M6 |
t1 |
10.2 |
10.2 |
10.2 |
12.5 |
12.5 |
16 |
16 |
21.5 |
21.5 |
NMRV571
Weight without motor:0.7kg
Input size: ( Pm, Dm, bm, tm )
NMRV030
Weight without motor:1.2kg
Input size: ( Pm, Dm, bm, tm )
NMRV040 Output |
||
D H8 |
b |
t |
18 (19) |
6 (6) |
20.8 (21.8) |
(..)Only on request Weight without motor:2.3kg Input size (Pm, Dm, bm, tm) |
NMRV110
Weight without motor: 35kg
Input size: (Pm, Dm, bm, tm)
NMRV130
Weight without motor: 48kg
Input size: (Pm, Dm, bm, tm)
NMRV150
Weight without motor: 87.8kg
Input size: (Pm, Dm, bm, tm)
Features:
1) Aluminum alloy die-casted gearbox
2) Compact structure saves mounting space
3) Highly accurate
4) Runs CHINAMFG and backward
5) High overload capacity
6) Stable transmission with reduced vibration and noise
Characteristics:
1. High quality aluminum alloy quadrate case .
2. High efficiency.
3. Small size, compact constructure and light weight.
4. Combination of 2 single-step worm gear speed reducers, meeting the requirements of super speed ratio.
Technical Data:
1. Input power: 0.06kW-15kW
2. Output torque: 7.8-1195N.m
3. Speed ratio: (5-100) 5, 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100
4. Adapt for IEC, NEMA, SERVO
Materials:
1. From RV25 up to RV105: Aluminium alloy housing.
2. From RV110 to RV150: Cast iron housing.
3. Seal: CHINAMFG Seal from ZheJiang
4. Bearing :homemade Bearing
Color:
1. RAL5571
2. Blue
3. Silver
Quality control:
1.Quality guarantee: 1 year
2.Certificate of quality: ISO9001:2008
3.Every product must be tested before packing
General Technical data:
Size number:25,30,40,50,63,75,90,110,130,150
Ratio:1/100-1/5000
Color:blue,silver,RAL5571 color
Material:housing -casting iron- HT200-250#/aluminum worm gear-KK alloy worm-20CrMnTi with carburizing and quenching,surface hardness is 58-62HRC shaft-chromium steel-45#
Packing: Inner pack: use plastic bag a Inner pack: use plastic bag and foam box, outer pack: carton or wooden case 1set/bag/carton or based on customer’s requestbearing: CHINAMFG & Homemade bearing
Seal: CHINAMFG seal from ZheJiang
Input power: 0.25kw,0.37kw,0.55kw,0.75kw,1.1kw,1.5kw,2.2kw,3.0kw,4.0kw,5.5kw,7.5kw
Lubricant:Synthetic & Mineral
IEC flange:56B5,63B5,71B5,80B5,90B5,100B5,112B5,132B5
Output form: CHINAMFG shaft,hollow shaft weight: 0.7-87.8KGSapplication: In industrial machine:food Stuff,ceramics,chemical,packing,printing,dyeing,woodworking,glass and plastics
Warranty:1 year
Recommend product
Gear Reducers For Belt Conveyor
Speed Worm Gear Reducer
HangZhou CHINAMFG Industry Co., Ltd. is a specialized supplier of a full range of chains, sprockets, gears, gear racks, v belt pulley, timing pulley, V-belts, couplings, machined parts and so on.
Due to our CHINAMFG in offering best service to our clients, understanding of your needs and overriding sense of responsibility toward filling ordering requirements, we have obtained the trust of buyers worldwide. Having accumulated precious experience in cooperating with foreign customers, our products are selling well in the American, European, South American and Asian markets. Our products are manufactured by modern computerized machinery and equipment. Meanwhile, our products are manufactured according to high quality standards, and complying with the international advanced standard criteria.
With many years’ experience in this line, we will be trusted by our advantages in competitive price, one-time delivery, prompt response, on-hand engineering support and good after-sales services.
Additionally, all our production procedures are in compliance with ISO9001 standards. We also can design and make non-standard products to meet customers’ special requirements. Quality and credit are the bases that make a corporation alive. We will provide best services and high quality products with all sincerity. If you need any information or samples, please contact us and you will have our soon reply.
FAQ:
Q1: Are you trading company or manufacturer ?
A: We are factory.
Q2: How long is your delivery time and shipment?
1.Sample Lead-times: generally 10 workdays.
2.Production Lead-times: 20-40 workdays after getting your deposit.
Q3. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery.
Q4: What is your advantages?
1. Manufacturer,the most competitive price and good quality.
2. Perfect technical engineers give you the best support.
3. OEM is available.
4. Rich stock and quick delivery.
Q5. If you can’t find the product on our website,what do you next?
Please send us inquiry with product pictures and drawings by email or other ways and we’ll check.
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Output Speed: | 17.5-186.7 R/Min |
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Applicable Industries: | Hotels, Manufacturing Plant |
Customized Support: | OEM, ODM |
Customization: |
Available
| Customized Request |
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.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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Payment Method: |
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Initial Payment Full Payment |
Currency: | US$ |
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Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Self-Locking Properties in a Worm Gearbox
Yes, worm gearboxes exhibit self-locking properties, which can be advantageous in certain applications. Self-locking refers to the ability of a mechanism to prevent the transmission of motion from the output shaft back to the input shaft when the system is at rest. Worm gearboxes inherently possess self-locking properties due to the unique design of the worm gear and worm wheel.
The self-locking behavior arises from the angle of the helix on the worm shaft. In a properly designed worm gearbox, the helix angle of the worm is such that it creates a mechanical advantage that resists reverse motion. When the gearbox is not actively driven, the friction between the worm threads and the worm wheel teeth creates a locking effect.
This self-locking feature makes worm gearboxes particularly useful in applications where holding a load in position without external power is necessary. For instance, they are commonly used in situations where there’s a need to prevent a mechanism from backdriving, such as in conveyor systems, hoists, and jacks.
However, it’s important to note that while self-locking properties can be beneficial, they also introduce some challenges. The high friction between the worm gear and worm wheel during self-locking can lead to higher wear and heat generation. Additionally, the self-locking effect can reduce the efficiency of the gearbox when it’s actively transmitting motion.
When considering the use of a worm gearbox for a specific application, it’s crucial to carefully analyze the balance between self-locking capabilities and other performance factors to ensure optimal operation.
Diagnosing and Fixing Oil Leakage in a Worm Gearbox
Oil leakage in a worm gearbox can lead to reduced lubrication, increased friction, and potential damage to the gearbox components. Here’s a step-by-step process to diagnose and fix oil leakage:
- Inspect the Gearbox: Perform a visual inspection of the gearbox to identify the source of the leakage. Check for oil stains, wet spots, or oil pooling around the gearbox.
- Check Seals and Gaskets: Inspect the seals, gaskets, and O-rings for any signs of wear, cracks, or damage. These components are common points of leakage.
- Tighten Bolts and Fasteners: Ensure that all bolts, screws, and fasteners are properly tightened. Loose fasteners can create gaps that allow oil to escape.
- Replace Damaged Seals: If you find damaged seals or gaskets, replace them with new ones. Use seals that are compatible with the operating conditions and lubricant.
- Check Breather Vent: A clogged or malfunctioning breather vent can cause pressure buildup inside the gearbox, leading to leakage. Clean or replace the breather vent if necessary.
- Examine Shaft Seals: Check the shaft seals for wear or damage. If they’re worn out, replace them with seals of the appropriate size and material.
- Use Proper Lubricant: Ensure that you’re using the correct lubricant recommended for the gearbox. Using the wrong type of lubricant can cause leaks.
- Apply Sealants: In some cases, applying a suitable sealant to the joints and connections can help prevent leaks. Follow the manufacturer’s instructions for proper application.
- Monitor Leakage: After addressing the issues, monitor the gearbox for any signs of continued leakage. If leakage persists, further investigation may be required.
- Regular Maintenance: Implement a regular maintenance schedule that includes checking seals, gaskets, and other potential leakage points. Timely maintenance can prevent future leakage issues.
If you’re unsure about diagnosing or fixing oil leakage in a worm gearbox, consider consulting with a professional or gearbox manufacturer to ensure proper resolution.
What Industries Commonly Use Worm Reducers?
Worm reducers are versatile mechanical components that find applications in various industries due to their unique advantages and capabilities. Some of the industries that commonly use worm reducers include:
- Material Handling: Worm reducers are widely used in material handling equipment such as conveyors, bucket elevators, and cranes to control movement and manage heavy loads.
- Automotive: They are utilized in automotive manufacturing processes, assembly lines, and vehicle positioning systems.
- Food and Beverage: Worm reducers are used in food processing and packaging machinery where hygiene and cleanliness are crucial.
- Agriculture: Agricultural equipment like irrigation systems and tractors use worm reducers for controlling rotational motion.
- Mining and Construction: Heavy-duty applications in mining equipment, excavators, and construction machinery benefit from the torque multiplication provided by worm reducers.
- Energy: Wind turbines and solar tracking systems use worm reducers to convert low-speed, high-torque motion into rotational energy.
- Textile: Textile machinery employs worm reducers for controlling speed and tension in weaving and spinning operations.
- Packaging: Packaging equipment relies on worm reducers for precise movement and positioning of packaging materials.
- Medical: Medical devices and equipment often utilize worm reducers for their accuracy and controlled motion.
- Printing: Printing machines use worm reducers to regulate paper feed and ensure consistent printing quality.
Worm reducers’ ability to provide high torque output, compact design, and self-locking characteristics makes them suitable for applications requiring reliable and controlled motion across various industries.
editor by CX 2024-01-09