Automotive Timing Belt

Sticking towards the theory of 'Super Good quality, Satisfactory service', We are striving to become a superb business enterprise partner of you for Alternator Serpentine Belt, Car Serpentine Belt, Multi Ribbed Belt.  By strengthening our corporate image, we enhance the value of our employees and enhance their cohesion. Our marketing strategy puts the needs of users in the first place. We take the customer relationship, brand and service quality as the basis of our marketing strategy. We have a huge product portfolio, gather advanced talents and technical resources, and provide customers with a pleasant manufacturing and delivery process. In a fiercely competitive business society, the interests of customers are always the most important.

Features

● Low noise level & longer service life

● Strong transmission capacity

● High grade HNBR rubber for superior heat and contamination resistance.

● Aramid reinforced nylon jackets and backsides increase durability and lifetime.

● Wide Range of Load Capacities and Speeds

Specification

Applications

Automotive engines-exhaust & inlet valves

Production Details

① Superior HNBR backing

② Superior Fibre-glass cord

③ High modulus Fibre loaded HNBR rubber compound

④ Nylon 66 stretch fabric teeth for high wear resistance

Timing Belt Failure Analysis

1. Heat Degradation

Appearance: Cracking from high temperature operation, rubber

Cause

When rubber belts operate at elevated temperatures (greater than 185°F) for prolonged periods of time, the rubber compound gradually hardens resulting in back cracking due to bending.

These cracks typically remain parallel to the belt teeth and usually occur over land areas (in between belt teeth), as illustrated in picture. Belts generally fail due to tooth shear, which often leads to tensile cord fracture.

Solutions

To determine if a special high-temperature belt construction will improve the belt performance in specific applications, contact a Pioneer Representative.

2. Foreign Objects

Appearance: Tensile cord failure from debris

Cause

The introduction of foreign objects between a belt and sprocket often damages both belt teeth and tensile cords.

Tensile cords often fracture internally (see Figure 3) or fail later due to crimping, as shown in Figure 4. Once a portion of the tensile cords have fractured, the remaining tensile strength of the belt has been reduced considerably.

Solutions

If belt damage from debris is noticeable, the belt should be replaced and the sprockets checked for damage. Damaged sprockets should also be replaced.

In the era of global economy, we insist on the excellent quality of all products and continue to develop diversified new series of Automotive Timing Belt in order to make the enterprise sustainable.  With reliable and stable quality and perfect pre-sale, in-sale and after-sales service system, our product sales are increasing and our customers are all over the world. We strive to build a good environment and atmosphere, so that every capable and enterprising staff can display their talents.

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