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Timing Belts, also commonly known as a Timing chain or a Cambelt (although the latter is technically a different type of system, as we'll see), are devices usually found fitted to the rotary mechanisms of a power transmission system such as a [DC drive motor](https://au.rs-online.com/web/c/automation-control-gear/electric-motors/dc-motors/) or spindle.

They're most often found playing a highly critical role in the smooth running of internal combustion engines such as those found within cars, where they connect the crankshaft to the camshafts to maintain the precise alignments (timings) between these two key components as they rotate at different - but consistent and relative to one another - speeds.

## **Types of Timing Belts**
- ### **Material Variations:**
    - Timing belts are available in a range of materials, chosen based on the specific application requirements.
- ### **Rubber Timing Belts:**
    - Commonly used due to their hardwearing nature.
    - Provide excellent benefits to users in various industries.
- ### **Maintenance Requirements:**
    - Rubber timing belts need frequent maintenance.
    - Regular tension checks are essential to ensure optimum performance.
- ### **Key Advantages of Rubber:**
    - Combines flexibility and elasticity.
    - Offers durability and strong performance under tension.
    - Considered an industry-standard material for timing belts.

## **Which Timing Belt Do I Choose?**

When choosing a timing belt, many sizing variables such as width, rotation speed, pitch and timing belt tooth profile or belts with teeth, all need to be taken into consideration depending upon the application.

## **Do Timing Belts Need Replacing?**

Yes, timing belts do need to be replaced periodically. The rubber compounds in the belt will degrade with time due to excessive heat and contact with substances such as oil. For optimum performance, it’s important to replace the timing belt according to the manufacturer's recommendations, typically between 40,000 to 100,000 miles. Regular maintenance checks can help identify wear and tear, preventing potential engine issues and ensuring smooth operation.

### **Warning Signs of a Bad Timing Belt**

There are several warning signs that indicate a timing belt may be failing and needs to be replaced. First, you might notice unusual noises coming from the engine, such as ticking or grinding sounds, which can signal that the belt is worn or misaligned. 

Additionally, if you experience engine misfires or difficulty starting the engine, it could be a sign that the timing belt is not properly synchronizing the engine's components. Another critical indicator is visible wear on the belt itself, such as cracks, fraying, or missing teeth. If you also notice oil leaks around the front of the engine, it may suggest that the seals have degraded, potentially affecting the belt. 

## **Timing Belt vs Timing Chain**

When comparing timing belts and timing chains, it's important to recognize their distinct roles in internal combustion engines, as both synchronize the rotation of the crankshaft and camshaft. 

Timing belts are typically made from reinforced rubber, making them lighter and quieter but requiring regular replacement due to wear from heat and environmental exposure. In contrast, timing chains are constructed from durable metal links, allowing them to last much longer without the need for replacement unless issues like stretching occur. 

While cambelts provide smoother, quieter operation, timing chains are more robust, making them suitable to buy for high-performance applications.

## **Applications**

There are a wide range of industrial applications where timing belts and cambelts are used daily in different products and processes:

- Office machinery: Used in printers and copiers for precise movement of print heads and paper feed mechanisms.
- Conveyor belts: Facilitates smooth transfer of materials in manufacturing and packaging lines.
- Electronic data processing equipment (EDP): Essential in devices like tape drives for accurate movement during data retrieval.
- Textile machinery: Controls operation of looms and sewing machines for consistent fabric production.
- Wood processing machinery: Manages cutting and milling operations efficiently.
- Machine tools: Ensures precise positioning of components for enhanced manufacturing accuracy.
- Compressors: Optimizes performance in air and refrigeration systems.
- Printing machinery: Synchronizes movement of rollers and print heads for high-quality prints.
- Hydraulic gear pumps: Provides smooth and reliable operation.
- Building machinery: Essential in concrete mixers and brick-making machines for synchronizing mechanical operations.

## **Your Trusted Timing Belts Supplier & Manufacturer**

RS, being a trusted and widely recognized supplier of timing belts in Australia, offers high-quality products from leading manufacturers such as [OPTIBELT](https://au.rs-online.com/web/b/OPTIBELT/), [Contitech](https://au.rs-online.com/web/b/contitech/), and [Gates](https://au.rs-online.com/web/b/gates/), ensuring that our customers receive reliable and durable timing solutions for their applications. 

Choosing RS means you benefit from our extensive industry expertise, exceptional customer service, and commitment to quality that sets us apart. Additionally, we offer delivery across Australia, making it easier for you to buy the timing belts when you need them. For more details on our delivery options and to ensure timely service, we invite you to refer to our [delivery page](https://au.rs-online.com/web/content/support/all-articles/delivery).



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