Key Reasons Why Sintering is Preferred when Manufacturing High-Quality Bearings

August 23, 2021

Tons of light- to heavy-duty equipment pieces maximise bearings due to their intended purpose. Bearings are generally maximised to reduce direct contact between two surfaces or elements, preventing excessive friction and heat generation. They can likewise minimise the wear and tear of components and parts subject to constant relative motion.

When it comes to producing high-quality bearings, industries have the option to practice a wide array of processes. Some of the processes they may carry out include forming, stamping, moulding, machining, and forging. One other process that they can conduct is sintering.

Sintering is the process of compacting solid materials and forming products through heat or pressure. This process does not need to melt the materials or subject them to their liquefaction temperature. When manufacturing high-quality bearings, industries would utilise metal powders in conducting the sintering process. Here are some reasons why sintering with metal powders is great for manufacturing bearings.

Complex Shapes

One of the reasons why sintering is preferred when manufacturing high-quality bearings is that it can yield products with complex shapes. Given the activities involved in the sintering process, various types and forms of bearings can be generated effectively. And with sintering, complex bearings can be produced without requiring secondary machining operations, which are mostly known to be rigorous and costly.

Reliable Precision

Another reason why sintering is great for producing bearings is it can provide high dimensional precision to products. With the reliable high dimensional precision of sintering, almost all types of applications can easily take advantage of the great dimensions and characteristics of bearings. These bearings do not even have significant impurities that may ruin their intended purposes.

Wear Resistance

Bearings that are processed through sintering do not only possess great dimensions and specifications, but they can also obtain excellent resistance to wear. The wear resistance of sintered bearings can be attributed to the additional hardness qualities they have obtained from the sintering process. This specific property can even be boosted by induction hardening, nitriding, and other similar processes.

Admirable Finish

Aside from complex shapes and reliable dimensional precision, sintering is preferred for producing high-quality bearings as it can provide an admirable surface finish. Sintered bearings often boast very low roughness. They likewise feature low peaks and troughs. With these characteristics, sintered bearings are expected to last longer compared to those made from other processes.

Lubrication Property

Bearings made from the sintering process can possess interconnected porosity. This property allows them to be filled with a wide array of oils and other types of lubricants. With the integration of lubricants to their core components, the bearings can perform their functions optimally and last for a very long time. They likewise do not need to be applied with external lubricant.

Substantial Savings

One more reason why sintering is great for producing and manufacturing bearings is that it can provide substantial savings to businesses. With the right design and application, the sintering of bearings can save more than 60% compared to other types of processes. Sintering can likewise reduce and even prevent wastage of materials.

To find out more about the sintering process, you can contact us at PM Distributors.

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