As we all know, a grinding wheel has three essential elements: abrasive, bond, and porosity. Among them, the bond is the most mysterious one. According to the different bonding agents, we divide the grinding wheels into various kinds, such as vitrified bonded grinding wheels, metal bonded grinding wheels, resin bonded grinding wheels, hybrid bonded grinding wheels, and so on. I will introduce you to one of the most widely used grinding wheels: resin-bonded grinding wheels. Let’s read on.
What Are Resin-bonded Grinding Wheels?
As the name suggests, a resin bonded grinding wheel is a grinding tool with a certain shape made of resin powder as the primary bonding material and a suitable amount of filling material, which is hot pressed, cured, and refined.
Now that you know what a resin-bonded grinding wheel is let’s talk about its advantages and disadvantages.
What Are The Advantages Of Resin-bonded Grinding Wheels?
- High strength, it can work under heavy or high-impact pressure and withstand enormous grinding pressure.
- It has some elasticity and better self-sharpening, improving the machined workpiece’s finish.
- Low hardening temperatures and low shrinkage, so that it can be added many types of fillers. The performance of the filler can be well maintained, so the use of filler can change the abrasive’s performance in a vast range.
What Are The Disadvantages Of Resin-bonded Grinding Wheels?
- The heat resistance is relatively low, which makes it more abrasive during grinding processing and unsuitable for shaping grinding.
- Poor water and alkali resistance leads to a relatively short shelf life and needs to be used as soon as possible.
- Low porosity may lead to odor during processing and easily cause environmental pollution.
According To The Different Abrasive, Resin-bonded Grinding Wheel Is Divided Into Superabrasive And Ordinary Grinding Wheels
Superabrasive resin bond grinding wheels are wheels with diamond or CBN (cubic boron nitride) as the main grinding component.
Ordinary resin bond grinding wheels have common abrasives such as white corundum, brown corundum, and silicon carbide as the main grinding components.
Types Of Resins Commonly Used For Resin Bonding
In resin-bonded grinding wheels, these types of resin materials are most commonly used: phenolic resins, polyimide resins, epoxy resins, polyurethane, etc. Among them, phenolic resins are the most widely used and are the first synthetic resins to be industrialized in the world.
Where Are The Main Applications Of Resin-bonded Grinding Wheels?
Due to the characteristics of resin bonded grinding wheels, it is widely used in various grinding operations such as surface grinding, external centerless grinding, grooving, and internal grinding. In addition, it performs well in processing super heat resistant stainless steel, metal products, ceramic products, glass products, limonite, HSS, alloy tools, and many other super hard materials.
See here, and I believe you have a certain understanding of resin bond grinding wheels. If you want to choose a resin bond grinding wheel that suits you, please get in touch with me. You can send me a request email or contact me via WhatsApp: 0086 13526572721.