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Worm Gear Speed Reducer Unit Manufacturers

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Worm Gear Speed Reducer Unit

Worm Gear Speed Reducer Unit

Input Configurations
Double or single input shaft (NRV)
PAM / IEC motor input shaft with circle or square flange (NMRV)
Output Configurations
Double or single output shaft
Output flange
Inquiry

Main Feature

The gearbox can rotate in both directions operate and contains one oil filling at delivery.  you will benefit from its high quality and a short delivery time.

Specification

Model
Motor Input Flange (circle)
Transmission Ratio
Power
(kw)
Ratio
(i)
Nominal Torque
(Nm)
PAM / IEC
Internal Dia.
Dis. Between Diagonal Screw Holes
External Dia.
Width of Key Slot
5
7.5
10
15
20
25
30
40
50
60
80
100
N
M
P
E
Diamter of Input Shaft
NMRV25
56B14
50
65
80
3
9
—
9
—
0.06
7.5-60
2.6-14
NMRV30
63B5
95
115
140
4
11
—
0.06-0.18
7.5-80
2.6-14
63B14
60
75
90
56B5
80
100
120
3
9
—
56B14
50
65
80
NMRV40
71B5
110
130
160
5
14
—
0.09-0.37
7.5-100
11-53
71B14
70
85
105
63B5
95
115
140
4
11
63B14
60
75
90
56B5
80
100
120
3
—
9
NMRV50
80B5
130
165
200
6
19
—
0.12-0.75
7.5-100
21-89
80B14
80
100
120
71B5
110
130
160
5
14
—
71B14
70
85
105
63B5
95
115
140
4
—
11
NMRV63
90B5
130
165
200
8
24
—
0.25-1.5
7.5-100
56-166
90B14
95
115
140
80B5
130
165
200
6
19
—
80B14
80
100
120
71B5
110
130
160
5
—
14
71B14
70
85
105
NMRV75
100/112B5
180
215
250
8
—
28
—
0.55-4
7.5-100
90-269
100/112B14
110
130
160
90B5
130
165
200
8
24
—
90B14
95
115
140
80B5
130
165
200
6
—
19
80B14
80
100
120
71B5
110
130
160
–
—
14
NMRV90
100/112B5
180
215
250
8
—
28
—
0.55-4
7.5-100
101-458
100/112B14
110
130
160
90B5
130
165
200
8
24
—
90B14
95
115
140
80B5
130
165
200
6
—
19
80B14
80
100
120
NMRV110
132B5
230
265
300
10
–
38
—
1.1-7.5
7.5-100
242-660
132B14
130
165
200
–
100/112B5
180
215
250
8
28
—
90B5
130
165
200
—
24
90B14
95
115
140
–
80B5
130
165
200
—
19
 NMRV130 
132B5
230
265
300
10
 — 
38
 — 
 2.2-7.5 
 7.5-100 
 333-1596 
132B14
130
165
200
–
100/112B5
180
215
250
8
—
28
90B5
130
165
200
–
—
24
90B14
95
115
140
NMRV150
160B5
250
300
350
12
—
42
—
2.2-15
7.5-100
570-1760
132B5
230
265
300
10
—
38
—
132B14
130
165
200
–
100/112B5
180
215
250
8
—
28

Feedback

WELCOME TO Saile Transmission Device (Hangzhou) Co.,Ltd.

SLER has produced worm gear speed reducers and wholesale helical gear reducers configurations within its 10,000 sqm2 production facility in Hangzhou China.

We offer our customers the best, reliable and flexible options and solutions for their application which includes food industry, cement factories, construction, logistics, mining, quarries, agriculture, as well as oil and gas.

Meanwhile, we are also a professional China worm gear speed reducer manufacturers and worm gear speed reducer suppliers.

Our drive is rooted in our passion for our products and the service that supports our customers.

  • 2015

    Founded(year)

  • 6.15 Million

    Registered capital (USD)

  • 670

    Daily output(pcs)

  • 15-20 Million

    Annual sales(USD)

Application

  • Agriculture

    Agriculture

  • Cement-plants

    Cement-plants

  • Construction

    Construction

  • Food-industry

    Food-industry

  • Logistics

    Logistics

  • Mining

    Mining

  • Natural-Gas

    Natural-Gas

  • Oil

    Oil

  • Quarries

    Quarries

Case

  • Center-drive-for-mud-scraper

  • Industrial-cleaning-and-anti-corrosion-equipment

  • Inverted-umbrella-burst-gas-machine

  • Reaction-Axe

  • Separation,-filtration,-extraction,-purification-equipment

  • Storage-and-transportation,-packaging-technology-and-pressure-vessels

  • Biological-fermentation-equipment

  • Desulfurization-and-denitrification-equipment

  • Drive-solutions-for-fine-chemical-equipment

  • Environmental-Grille

  • Environmental-water-treatment-equipment

  • Petrochemicals

Related products

Related News

Industry knowledge
The production steps of Worm Gear Speed Reducer Unit
The production steps for a worm gear speed reducer unit:
    Design and Engineering: The production process begins with the design and engineering phase. Engineers design the unit based on the specific requirements and performance characteristics desired by the customer or application.
    Material Selection and Procurement: Once the design is finalized, the necessary materials for the speed reducer unit are selected and procured. Common materials used include cast iron, steel, and various alloys.
    Machining: The selected materials are then machined to create the different components of the speed reducer unit. CNC (Computer Numerical Control) machines are often used to accurately shape and form the parts according to the design specifications.
    Heat Treatment: Some components, such as gears and shafts, may undergo heat treatment processes to enhance their strength, durability, and resistance to wear.
    Gear Cutting: The worm gear and other gears required for the speed reducer unit are cut using specialized gear cutting machines. This process involves carefully shaping the gear teeth to ensure proper engagement and smooth operation.
    Assembly: Once all the individual components are machined and prepared, the assembly process begins. Skilled technicians assemble the various parts, including the worm gear, worm shaft, bearings, housing, seals, and other necessary components, following the specified design and engineering drawings.
    Lubrication and Sealing: The assembled speed reducer unit is then lubricated using appropriate lubricants to minimize friction and wear. Seals are also installed to protect the internal components from contaminants and maintain proper lubrication.
    Quality Control and Testing: Before the speed reducer unit is considered ready for use, it undergoes rigorous quality control and testing procedures. This may include visual inspections, dimensional measurements, functional tests, load tests, and noise/vibration checks to ensure that it meets the specified performance criteria.
    Finishing and Painting: Once the unit passes the quality control tests, it may undergo finishing processes, such as cleaning, deburring, and painting, to enhance its appearance and provide protection against corrosion.
    Packaging and Shipment: The finished worm gear speed reducer units are then packaged according to industry standards, ready for shipment to customers or distribution centers.
The working principle of Worm Gear Speed Reducer Unit
The working principle of a worm gear speed reducer unit involves the interaction between a worm gear and a worm wheel. The worm gear is a cylindrical gear with helical teeth, while the worm wheel is a gear with teeth arranged in a helical pattern around its circumference. Here's an overview of how the worm gear speed reducer unit operates:
    Input and Output Configuration: The worm gear speed reducer unit consists of an input shaft and an output shaft. The input shaft is connected to the power source, typically an electric motor, while the output shaft is connected to the driven equipment or load.
    Worm Gear and Worm Wheel Interaction: When the input shaft rotates, it drives the worm gear, which in turn meshes with the teeth of the worm wheel. The worm gear has a spiral-shaped thread called the worm thread that engages with the teeth of the worm wheel.
    Gear Ratio and Speed Reduction: The helical teeth of the worm gear and worm wheel create a non-reversible gear arrangement. The number of teeth on the worm gear (usually referred to as the worm) is typically fewer than the number of teeth on the worm wheel. This difference in the number of teeth creates a gear ratio, which determines the speed reduction or increase achieved by the gear unit. In most cases, worm gear speed reducers provide a significant speed reduction.
    Direction of Power Transmission: The working principle of the worm gear speed reducer unit also involves the nature of power transmission. The worm gear can rotate the worm wheel, but the reverse is not true. This characteristic ensures that the driven load cannot easily drive the input shaft. It provides a mechanical advantage in applications where back-driving or reversing the load is undesirable.
    Efficiency and Lubrication: Worm gear speed reducer units typically have lower efficiency compared to other types of gear arrangements due to the sliding action between the worm gear and the worm wheel. This sliding action generates friction and heat, which can affect efficiency and longevity. Proper lubrication is essential to minimize friction, dissipate heat, and ensure smooth operation.
    Load Handling and Torque Transmission: The worm gear speed reducer unit can handle high torque loads due to the large contact area between the worm gear and worm wheel. This makes it suitable for applications that require high torque output.

   SLER Transmission Devices (Hangzhou) Co., Ltd. is an excellent helical gear reducer manufacturers.