80000km high quality Multi Ribbed Poly-V Belts,Poly-V-Belts/ Micro V Ribbed & Serpentine belts Drive Belts - China factory /OEM service

Poly V-belts, also known as serpentine or multi-ribbed belts, are designed for high-efficiency power transmission in compact spaces. They feature multiple longitudinal ribs on the underside that engage with corresponding grooves on the pulleys. Common profiles include J, K, L, and M, with temperature ranges typically between -30°C and +80°C. Their key advantages include high speed ratios, reduced pulley diameters, and lower noise and vibration levels compared to traditional V-belts.

A poly-v belt, also known as a multi-v belt or ribbed belt, is a type of power transmission belt characterized by multiple longitudinal ribs on its underside that mate with corresponding grooves in a pulley. These belts combine the flexibility of flat belts with the high power transmission capabilities of V-belts. They are commonly used in various applications, including automotive engines, industrial machinery, and household appliances.

Rib Pitch 3.56 mm

Thickness 4.9 mm

Linear Mass (M1) 0.020 kg/m/rib

Maximum Belt Speed 55 m/s

Minimum Pulley Diameter 50 mm

Minimum Idler Diameter 65 mm

Installation tension 90 to 110 N/rib/span

Ribbed Belts

What it is:

A type of power transmission belt with multiple V-shaped ribs running lengthwise on its inner surface.

Also known as multi-rib belts or serpentine belts.

Combines the flexibility of flat belts with the traction of V-belts.

How it works:

V-shaped ribs interlock with corresponding grooves on pulleys to transmit power through friction.

Increased contact area provides better grip and reduces slippage.

Key advantages:

Higher efficiency: Improved power transmission due to reduced slippage.

Compactness: Can use smaller pulleys and shorter center distances.

Reduced noise and vibration: Smooth operation due to multi-rib design.

Durability and longer lifespan: Resistant to wear, abrasion, and degradation.

Flexibility: Suitable for serpentine drives and tight bending.

Reduced maintenance: Minimizes the need for frequent re-tensioning.

Cost-effective: Long-term savings due to extended lifespan and reduced maintenance.

Common applications:

Poly-V belts are commonly used in various applications, including:

Automotive: Driving accessories like alternators, water pumps, and power steering pumps.

Industrial: Used in conveyor systems, fans, compressors, and pumps.

Household appliances: Found in washing machines, dryers, and vacuum cleaners.

Exercise equipment: Utilized in treadmills and ellipticals.

Types:

There are different types of Poly-V belts, such as standard, narrow, variable speed, and heavy-duty, each suited for specific requirements.

Note: It's important to consult manufacturer specifications and guidelines to choose the correct Poly-V belt for your application and ensure proper installation and maintenance.

Automotive:

PK belts are widely used in automotive accessory drive systems due to their ability to handle high speeds, large transmission ratios, and compact designs.

Industrial Machinery:

They are suitable for various industrial applications, including compressors, blowers, machine tools, pumps, and other machinery requiring reliable power transmission.

Household Appliances:

Some household appliances, like washing machines, may utilize PK belts for their power transmission needs.

Garden Technology:

PK belts are also used in garden machinery like lawnmowers.

Higher Power Transmission:

The multiple ribs on a Poly-V belt provide a greater contact area with the pulley, resulting in improved power transmission efficiency.

Reduced Slippage:

The increased contact area minimizes slippage, leading to more consistent and reliable power delivery.

Increased Efficiency:

Less slippage translates to reduced energy loss, making Poly-V belts more efficient than traditional V-belts.

Compact Design:

The multi-rib design allows for smaller pulley diameters and overall more compact drive systems.

Durability and Long Life:

Poly-V belts are often made from durable materials and can withstand demanding conditions, leading to a longer lifespan.

Quieter Operation:

The design and construction of Poly-V belts can result in quieter operation compared to traditional V-belts.

Flexibility:

Poly-V belts are generally more flexible, making them suitable for serpentine drive systems with multiple pulleys.

Cost Reduction:

The increased efficiency and longer lifespan can lead to cost savings in the long run due to reduced energy consumption and fewer replacements.

Resistance to Shock Loads:

Poly-V belts can handle shock loads and sudden increases in power demand more effectively than traditional V-belts.

Antistatic Properties:

Some Poly-V belts are designed with antistatic properties, which can be important in certain applications.