VF Series worm gearbox

Description

This type of gearbox is one of the worm gearboxes that uses a worm wheel and a steel helix (Worm) to transmit motion and power between the motor and various systems.
Due to the special structure of worm gears, this type of gearbox has a high efficiency and the ability to transfer heavy loads.
Advantages of worm gearboxes:
Speed reduction: Worm gearbox is usually used to reduce speed and increase torque in transmission.
Worm wheel: Worm wheel (alloyed) has a round shape, which is combined with a steel worm and changes the output speed & torque.
Efficiency: due to its worm structure, the worm gearbox has high efficiency and small body size, the lowest level of noise and vibration and the ability to transfer heavy loads.
Applications: This type of gearbox is used in many industries including manufacturing, industrial automation, transportation, construction machinery, etc.
Materials: Various materials are used to manufacture the worm gearbox components, including gray cast iron, steel, ductile iron, and bronze aluminum alloy.
Dimensions and weight: The dimensions and weight of this gearbox are different and vary depending on the specific application and specifications of the product.

Get the product brochure

VF Series worm gearbox

Gearboxes with a simple structure and high installation variety, with advanced and cost-effective technology, flexibility in relation to installation options, with a long life, usable in the food, chemical and pharmaceutical industries.
In the structure of these gearboxes, a 90-degree worm & worm wheel are used. The input shaft can be produced as solid and hollow with standard flanges.
The variety of production of this product is from type 49 with a hollow output shaft of 25 mm diameter to type 250 with a hollow output shaft of 110 mm diameter.
The reduction ratio of this gearbox is from 1:7 to 1:100 for a single stage gearbox, which can be produced up to 1:10000 by combining two of this gearboxes.

VF Series worm gearbox

49D1=16 , D2=25

63D1=18 , D2=25

86D1=25 , D2=35

110D1=28 , D2=40

130D1=30 , D2=45

150D1=35 , D2=50

185D1=40 , D2=60

210D1=50 , D2=90

250D1=55 , D2=110

Types: 49~250
Reduction Ratio: 1:7~1:100
Input shaft diameter (D1): 16~55 mm
Output hollow shaft (D2): 25~110 mm
Mounting positions: N,A,F,FC,P,V
Torque limits: 74~4800 Nm

Maximum output torque

Maximum output torque 74 Nm for the smallest & 4800 Nm for the biggest size.

Characteristics

The required values for selecting of these gearboxes include:
Reduction Ratio (i)
Input power (HP, KW)
Output power (daNm)
Output speed (n2)
Input speed (n1)

Different mounting positions

This category of gearboxes can be produced in accordance with the place of use in vertical and flanged form.

Overall Dimensions

In the table of overall dimension, we have tried to provide needed dimensions. These dimensions include the type of output & input connections frames

Other Products

SHE Series, Normal Duty Planetary Gearbox

SHS Series, Heavy-Duty planetary Gearbox

SHH Series, Super Heavy Duty planetary Gearbox

SHR Series Helical gear units

SHF Series, Helical parallel shaft Gearbox Series

SHS Series, Helical-worm gearbox

VF Series worm gearbox

VFU Series Worm gearbox

SHK Series Bevel-Helical gear units

گیربکس های حلزونی سری SHMRV( طرح Motovario)

SHRV Series worm gearbox

گیربکس حلزونی سری MVF (طرح BONFIGLIOLI)

VFH Series worm gearbox

موتورگیربکس هلیکال سری SHGF (طرح VEM)

SHG Series, Helical Motor Gearbox

Frequently asked questions about Worm gearboxes

What is the advantage of using Worm gearboxes?

The most important advantage of using worm gearboxes is that the input axis is 90 degrees to the output axis.
Due to its simple and affordable structure It is also of interest to users

What is the maximum input speed in Worm gearboxes?

The design of these gearboxes is for the highest input speed of the electric motor up to 1400 R.P.M

Is it possible to use the output of the gearbox instead of the input to increase speed??

No.

What are the uses of Worm gearboxes?

Industrial machinery: to control speed and load in production lines
Vehicles: In cars and industrial vehicles to transmit power to the wheels
Robotics: To move and achieve precise angles
Food production lines: in grinders and mixers

Is it possible to change the reduction ratio?

Yes, Worm & Worm wheel should be changed but this may change the gearbox size.

Do worm gearboxes need special adjustment and maintenance?

Yes, worm gears require periodic oil changes. Also, they must be adjusted and controlled at specific intervals to maintain optimal performance.

What are the advantages and disadvantages of Worm gearboxes?

Advantages
Suitable for high reduction ratios
Low noise: results from power flow through the worm and worm wheel.
Self-locking: The worm gearbox is self-locking while not working.
Disadvantages:
High energy loss: Due to the structure and type of transmission, the energy loss is a bit higher than other types of gearboxes. •
Low efficiency: due to losses, it is less efficient than other types of gearboxes. •
Heat: In long-term operation and with high loads, heat may be generated.

In the direct coupling of the electric motor to the gearbox, is the chassis and the bases of the electric motor also connected to the main chassis?

No, this causes misalignment between the motor shaft and the gearbox.