Tag Archives: traction machine

China manufacturer Elevator Geared Traction Machine Parts Deflector Sheave idler pulley

Product Description


Elevator Sheave

1.Cast iron and MC Nylon types

2.Various specifications of elevator sheave                           

 Elevator pulley sheave, Elevator traction sheave, Elevator guiding pulley, Elevator guiding sheave, Elevator couterweight sheave, Elevator CW sheave,Traction Sheave

Nova has been supplying various specifications and types of elevator sheave in big volume every year as per customers’ request.

model Diameter Aperture Number Rope Slot Pitch Thickness Thickness Rated Bearing
of slots load
  D E N d P H h Q  
NV-240-01 φ240 80 2 6.5 10 42 60 ≤450KG 6206
NV-240-02 80 3 6.5 10 42 80 ≤800KG 6208
NV-240-03 90 4 6.5 10 52 80 6210
NV-240-04 110 5 6.5 10 65 80 ≤1000KG 6212
NV-320-01 φ320 110 3 8 12 52 80 ≤630KG 6212
NV-320-02 13
NV-320-03 4 8 12 65 80 ≤800KG
NV-320-04 13
NV-320-05 5 8 12 72 80
NV-320-06 13
NV-320-07 130 6 8 12 90 95 ≤1600KG 6312
NV-320-08 13
NV-320-09 140 7 8 12 104 95 ≤1600KG 6216
NV-320-10 13
NV-320-11 8 8 12 115 120
NV-320-12 13
NV-360-01 φ360 110 3 8 12 52 80 ≤630KG 6212
NV-360-02 3 9 13
NV-360-03 4 8 12 65 80
NV-360-04 4 9 13
NV-360-05 5 8 12 78 95 ≤1000KG
NV-360-06 5 9 13
NV-360-07 130 6 8 12 90 95 ≤1600KG 6312
NV-360-08 6 9 13
NV-360-09 140 7 8 12 108 95 ≤1500KG 6313
NV-360-10 7 9 13
NV-360-11 150 8 8 12 115 115 6314
NV-360-12 8 9 13
NV-400-01 φ400 110 3 8 12 60 80 ≤1000KG 6212
NV-400-02 3 8 13
NV-400-03 3 10 15
NV-400-04 3 10 16
NV-400-05 4 8 12
NV-400-06 4 8 13
NV-400-07 4 10 15 70 95
NV-400-08 4 10 16
NV-400-09 5 8 12
NV-400-10 5 8 13
NV-400-11 φ130 5 10 15 90 95 ≤1600KG 6312
NV-400-12 5 10 16
NV-400-13 6 8 12
NV-400-14 6 8 13
NV-400-15 6 10 15 105 95
NV-400-16 6 10 16
NV-400-17 7 8 12
NV-400-18 7 8 13
NV-400-19 φ140 7 10 15 124 120 ≤2000KG 6313
NV-400-20 7 10 16
NV-400-21 8 8 12
NV-400-22 8 8 13
NV-400-23 8 10 15 140 120
NV-400-24 8 10 16
NV-400-25 9 8 12
NV-400-26 9 8 13
NV-440-01 φ440 φ110 3 10 15 60 80 ≤1000KG 6212
NV-440-02 3 10 16
NV-440-03 4 8 12
NV-440-04 4 8 13
NV-440-05 φ130 4 10 15 72 95 ≤1600KG 6312
NV-440-06 4 10 16
NV-440-07 5 8 12
NV-440-08 5 8 13
NV-440-09 5 10 15 90 95
NV-440-10 5 10 16
NV-440-11 6 8 12
NV-440-12 6 8 13
NV-440-13 φ140 6 10 15 105 95 ≤2000KG 6313
NV-440-14 6 10 16
NV-440-15 7 8 12
NV-440-16 7 8 13
NV-480-01 φ480 φ110 3 10 15 60 80 ≤1000KG 6212
NV-480-02 3 10 16
NV-480-03 4 8 12
NV-480-04 4 8 13
NV-480-05 φ130 4 10 15 72 95 ≤1600KG 6312
NV-480-06 4 10 16
NV-480-07 5 8 12
NV-480-08 5 8 13
NV-480-09 5 10 15 90 95
NV-480-10 5 10 16
NV-480-11 6 8 12
NV-480-12 6 8 13
NV-480-13 φ140 6 10 15 105 95 ≤2000KG 6313
NV-480-14 6 10 16
NV-480-15 7 8 12
NV-480-16 7 8 13
NV-520-01 φ520 φ130 3 13 20 70 95 ≤1000KG 6312
NV-520-02 4 10 15
NV-520-03 4 10 16
NV-520-05 4 13 20 90 95
NV-520-06 5 10 15
NV-520-07 5 10 16
NV-520-08 5 13 20 108 95 ≤1600KG 6312
NV-520-09 6 10 15
NV-520-10 6 10 16
NV-520-11 φ140 6 13 20 128 120 ≤2000KG 6313
NV-520-12 7 10 15
NV-520-13 7 10 16
NV-520-14 φ150 8 13 20 168 148 ≤3000KG 6314
NV-520-15 10 10 15
NV-520-16 10 10 16
NV-640-01 φ640 φ160 5 16 25 132 120 ≤3000KG 6315
NV-640-02 6 13 20
NV-640-03 φ170 6 16 25 160 140 ≤5000KG 6316
NV-640-04 7 13 20

·Shaft Components include
Machined /Cold Drawn/ Hollow Xihu (West Lake) Dis. Rail, Fishplate, Fasteners, Anchor Bolt, Rail Rracket etc.
·Elevator Cabin includes
Complete Elevaotr Cabin, Car Frame, Counterweight Frame and Counterweight Block,Xihu (West Lake) Dis. Shoes, Rope Attachment etc.
·Door System includes
Mitsubishi, Fermator and Selcom Door Operator and Landing Door, Door Panel, Door Spare Parts,Safety Light Curtain/Photocell etc.
·Safetey Components includes
Safety Gear, Speed Governor, Rope Brake, Oil Buffer and Rubber Buffer etc.
·Traction System includes
Geared/Gearless Traction Machine, Pulley Sheave,Anti-Vibration Pad,Steel Wire Rope etc.
·Electrical Components inclueds
Integrated and Separated Controlling Cabinet,Yaskawa L1000A Inverter, Elevator Display,COP&LOP&HOP, Elevator Button, Flat Traveling Cable etc

Company Information


Packaging & Shipping


Our Services


1. Price
Re: please send us inquiry from Alibaba, we will quote to you within 24 hours. It’s more convenient and appreciated for us if you provide your company details and your detail inquiry for with elevators.

2. Payment term
Re: T/T or L/C at sight. 

3. Installation&Maintaining
Re: We will send installation&maintaining manual along with elevator.
Our sugguestion is to hire a professional local company for installation and future maintaining,
once you need any technical assistant from us, just don’t hesitate to contact us by mail or phone.
Technician will be sent to the job site if necessary.

4. Shipping&price term

Re: Both FOB/CIF/CFR  price term are ok, we have reliable forwarder helping arrange the shipment for you.

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After-sales Service: Online
Warranty: 1year
Type: Traction System
Suitable for: Elevator
Load Capacity: 3000kg
Persons: 6-10


Can sheaves be employed in both indoor and outdoor settings?

Yes, sheaves can be employed in both indoor and outdoor settings. The versatility of sheaves allows them to be used in various environments based on the specific requirements of the application. Here’s a detailed explanation:

Indoor Settings: Sheaves are commonly used in indoor settings where controlled movement, power transmission, or lifting operations are required. Some examples include:

  • Manufacturing Facilities: Sheaves are utilized in manufacturing facilities for tasks such as conveyor systems, material handling, and assembly line operations. They help guide and redirect belts or ropes to transport materials or components efficiently.
  • Warehouses: Sheaves are employed in warehouses for lifting and moving heavy loads using cranes, hoists, and pulley systems. They enable the smooth operation of these lifting devices, facilitating tasks such as loading and unloading goods.
  • Indoor Construction: Sheaves are used in indoor construction projects for tasks like rigging, hoisting, and operating machinery. They play a crucial role in redirecting cables or ropes, allowing for controlled movement and lifting of materials.

Outdoor Settings: Sheaves are also well-suited for outdoor environments that may present additional challenges, such as exposure to weather elements and varying temperatures. Some examples of outdoor applications include:

  • Construction Sites: Sheaves are employed in construction sites for a wide range of lifting and rigging operations. They are used in cranes, hoists, and pulley systems to facilitate the movement of construction materials and equipment.
  • Maritime Applications: As mentioned earlier, sheaves are extensively used in maritime settings, including offshore platforms, ships, and docks. They are designed to withstand harsh marine conditions, including saltwater exposure, humidity, and extreme weather.
  • Outdoor Recreational Activities: Sheaves can be found in outdoor recreational activities such as rock climbing, zip-lining, and aerial adventure courses. They are used in pulley systems to provide mechanical advantage and facilitate controlled movement.

It’s important to note that sheaves used in outdoor settings may require additional considerations for durability, corrosion resistance, and protection against environmental factors. Proper maintenance and periodic inspections are necessary to ensure optimal performance and safety.

In summary, sheaves are versatile components that can be employed in both indoor and outdoor settings, enabling a wide range of applications that involve controlled movement, power transmission, or lifting operations.


How do sheaves contribute to the smooth operation of cable and rope systems?

Sheaves play a crucial role in ensuring the smooth operation of cable and rope systems. They are designed to guide and redirect the cables or ropes, allowing for efficient power transmission and controlled movement. Here are the ways in which sheaves contribute to the smooth operation of cable and rope systems:

  • Alignment and tracking: Sheaves are carefully designed with grooved surfaces that align and track the cables or ropes. This ensures that the cables or ropes are maintained in the desired position, minimizing the risk of slippage, tangling, or interference with other system components. Proper alignment and tracking contribute to smooth and consistent operation.
  • Reduced friction: Sheaves are engineered to reduce friction between the cables or ropes and the sheave surfaces. This is typically achieved through the use of materials with low friction coefficients and the application of lubricants. By minimizing friction, sheaves help to reduce energy losses, wear, and heat generation, resulting in smoother and more efficient operation.
  • Load distribution: Sheaves distribute the load evenly across the cables or ropes. As the cables or ropes pass over the sheave, the load is spread out, preventing localized stress concentrations. This even load distribution helps to maintain the integrity of the cables or ropes, promoting smooth operation and extending their service life.
  • Tension control: Sheaves can be used to control and adjust the tension in cable and rope systems. By changing the position of the sheaves, the tension in the cables or ropes can be increased or decreased as needed. Proper tension control is essential for maintaining the desired performance and preventing issues such as slackness or excessive tightness, which can hinder smooth operation.
  • Directional changes: Sheaves allow for changes in the direction of cable or rope movement. By redirecting the cables or ropes around the sheave, they can be guided along the desired path or routed around obstacles. This enables smooth and controlled movement in various directions, facilitating the operation of complex cable and rope systems.
  • Noise and vibration reduction: Well-designed sheaves with proper materials and construction can help dampen noise and vibrations generated during cable and rope operation. This contributes to a quieter and more comfortable working environment, as well as reduces the potential for vibrations to affect other system components.

Overall, sheaves play a vital role in ensuring the smooth and efficient operation of cable and rope systems. Their ability to align, guide, distribute load, control tension, facilitate directional changes, and reduce friction and vibrations all contribute to the reliable and effective functioning of these systems.


What is a sheave, and how is it used in mechanical systems?

A sheave is a mechanical component used in various mechanical systems for transmitting power and changing the direction or speed of a belt or rope. Here is a detailed explanation of what a sheave is and how it is used:


A sheave, also known as a pulley wheel or a belt wheel, is a grooved wheel that is typically mounted on an axle or shaft. It features a groove or grooves along its circumference to guide a belt, rope, or cable. The groove prevents slippage and provides traction for power transmission.


Sheaves serve several important functions in mechanical systems:

1. Power Transmission:

Sheaves are primarily used to transmit power from one rotating component to another. When a belt or rope is looped around a sheave, the rotation of the sheave causes the belt or rope to move, transferring power from the input side to the output side.

2. Speed and Directional Changes:

By using different-sized sheaves in combination with belts or ropes of varying lengths, mechanical systems can achieve speed and directional changes. Larger sheaves connected to smaller sheaves will result in speed reduction, while smaller sheaves connected to larger sheaves will increase speed. Changing the arrangement of sheaves can also alter the direction of motion.

3. Tensioning and Belt Tracking:

Sheaves play a role in tensioning belts or ropes within a system. Proper tension is crucial for efficient power transmission and preventing belt slippage. Tensioning mechanisms, such as adjustable sheave positions or spring-loaded idler pulleys, are used to maintain the desired tension. Sheaves can also assist in tracking the belt or rope along the correct path within the system.

4. Load Distribution:

In systems with multiple sheaves, load distribution is an important consideration. By distributing the load across multiple sheaves, the system can handle higher loads while reducing the strain on individual components.

Types of Sheaves:

Sheaves come in various types depending on the application:

a. Flat Belt Sheaves: Designed for flat belts, these sheaves have a flat groove along their circumference.

b. V-Belt Sheaves: These sheaves are designed to accommodate V-belts, which have a trapezoidal cross-section. The groove in V-belt sheaves matches the shape of the V-belt, providing a secure fit.

c. Timing Belt Sheaves: Used in systems that require precise synchronization, timing belt sheaves have teeth that mesh with the teeth on the timing belt, ensuring accurate timing and positional control.

d. Wire Rope Sheaves: Wire rope sheaves are specifically designed for use with wire ropes or cables and feature a groove that prevents the wire rope from slipping.


Sheaves are employed in a wide range of mechanical systems, including:

– Conveyor systems

– Elevators and lifts

– Cranes and hoists

– Agricultural machinery

– Industrial machinery

– HVAC systems

– Power transmission systems


In summary, a sheave is a grooved wheel used in mechanical systems for power transmission, speed and directional changes, tensioning, load distribution, and belt tracking. They come in various types, such as flat belt sheaves, V-belt sheaves, timing belt sheaves, and wire rope sheaves, and find applications in a wide range of industries and machinery.

China manufacturer Elevator Geared Traction Machine Parts Deflector Sheave   idler pulley	China manufacturer Elevator Geared Traction Machine Parts Deflector Sheave   idler pulley
editor by CX