Abrasive grit refers to small, hard particles or granules that are used in various industrial processes to remove material from a surface through abrasion. These particles are typically made from minerals such as silicon carbide, aluminum oxide, or diamond, and they come in different sizes and shapes. Abrasive grit is commonly used in applications like grinding, sanding, polishing, and surface preparation. It is often embedded in abrasive tools such as grinding wheels, sandpaper, abrasive belts, or abrasive discs. When these tools are applied to a workpiece, the abrasive grit particles create friction and wear away the material, resulting in the desired surface finish or shape. The selection of abrasive grit depends on the specific application and the material being worked on. Different grit sizes and types of abrasive particles are chosen to achieve varying levels of abrasion, ranging from coarse removal of material to fine finishing. Coarser grits are used for rough grinding or heavy material removal, while finer grits are employed for smoothing, polishing, or achieving a more precise surface.

Grinding Wheel Bodies The body of a grinding wheel provides the static and dynamic stiffness to the tool. Dependent on the kind of grinding layer, it may consist of aluminium, filled resin, brass, steel or ceramics. The body significantly influences the vibration behaviour and the thermal conductivity of the grinding wheel; the following table shows examples for super abrasive grinding wheel bodies. Body material type Label Vibration Absorbtion Heat Transmission Mechanical Stiffness Resin with metal fillers H medium sufficient good Resin with non-metallic fillers B or D good bad satisfactory (not sufficient with thinwalled bodies) Aluminium A bad good very good Steel E bad satisfactory very good Copper C bad very good very good Composite material CFK good bad good

The hardness value of a material is generally influenced by the method of measurement. Different measuring methods and equipment result in different scales and units which cannot easily be compared. Thus several scales exist, for example: Moh‘s hardness: abrasion behaviour (measure of scratch resistance) Rosiwal hardness: stock removal behaviour (measure of resistance to stock removal) Vicker‘s Microhardness: indentation behaviour (resistance to penetration)

Surface roughness refers to the irregularities or variations in the texture of a surface. It is a measure of how uneven or bumpy a surface is at a microscopic level. Surface roughness can be quantified using different parameters, such as Ra (arithmetical average roughness), Rz (average maximum height), Rq (root mean square roughness), and Rt (total roughness). Surface roughness is typically measured by using instruments called profilometers or surface roughness testers. These devices move a stylus or a laser probe along the surface and record the vertical deviations from the mean surface. The collected data is then used to calculate the surface roughness parameters. The roughness of a surface can have significant implications in various industries and applications. For example: Manufacturing: Surface roughness is critical in manufacturing processes where parts need to fit together or move smoothly. It affects the performance, durability, and functionality of components. For example, in automotive engineering, the surface finish of engine components can impact fuel efficiency and wear characteristics. Tribology: Surface roughness plays a crucial role in tribological interactions, such as friction, wear, and lubrication. Rough surfaces have increased frictional resistance and may experience accelerated wear compared to smoother surfaces. Controlling surface roughness is important in optimizing performance and extending the lifespan of mechanical systems. Optics: In optical systems, surface roughness affects light scattering, reflection, and transmission properties. For high-precision optics like lenses, mirrors, or optical coatings, minimizing surface roughness is crucial to reduce light loss and maintain image quality. Biomaterials: Surface roughness is a significant factor in biomaterials and biomedical applications. Implants, prosthetics, and medical devices need to have appropriate surface roughness to facilitate cell adhesion, tissue growth, and integration with the body. Controlling and measuring surface roughness is essential to ensure product quality and performance in various industries. Surface finishing techniques like polishing, grinding, lapping, and coatings can be employed to achieve the desired level of roughness for specific applications.

Shape OD diameter Thickness Hole Diamond width Diamond depth Abrasive Grit Bond Concentration 14A1 300 40 127 10 10 D SD SDC CBN 120/140 B-Resin V- vitrified M-metal P-electroplated 50 75 100 125 150 175

Thermal spray coating is a process used to apply a protective or functional coating onto a surface. It involves the deposition of molten or semi-molten materials onto a prepared substrate using a heat source. The resulting coating adheres to the substrate, providing various benefits such as enhanced wear resistance, corrosion protection, thermal insulation, or improved surface properties. Here are the general steps involved in the thermal spray coating application process: Surface Preparation: The substrate surface is prepared by cleaning, roughening, or applying a bond coat if necessary. This step ensures proper adhesion of the coating to the substrate. Material Selection: The appropriate coating material is chosen based on the desired properties and the application requirements. Common materials used in thermal spray coating include metals, alloys, ceramics, and composites. Coating Application: There are several methods of thermal spray coating, including: a. Flame Spray: A heat source, typically a combustion flame, is used to melt the coating material, which is then propelled onto the substrate surface by compressed air or another gas. b. Plasma Spray: Plasma is generated by passing a gas through an electric arc. The heat of the plasma melts the coating material, which is then accelerated and sprayed onto the substrate. c. HVOF (High-Velocity Oxygen Fuel) Spray: A mixture of fuel gas and oxygen is combusted in a combustion chamber. The resulting high-velocity, high-temperature gas is used to propel the molten coating material onto the substrate. d. Electric Arc Spray: An electric arc is created between two consumable wires, which melts the wires and atomizes the molten material. Compressed air or gas is then used to propel the particles onto the substrate. Cold Spray: Solid particles of the coating material are accelerated to high velocities and impact the substrate surface, forming a solid-state bond without melting the particles. Post-Treatment: Once the coating is applied, additional steps may be performed, such as grinding, polishing, or heat treatment, to improve the coating's properties and surface finish. Thermal spray coatings find applications in various industries, including aerospace, automotive, energy, oil and gas, electronics, and more. They are used to protect components from wear, corrosion, and high temperatures, as well as to enhance surface properties such as electrical conductivity or thermal insulation.

To meet your requirements in every way, we need the following information : 01. Shape and Dimension of the wheel 02. Grit size (Mesh) 03. Concentration 04. Bond (Resin, Vitrified, Metallic, Electroplated) 05. Quantity