To use diamond lapping film correctly, remove a strip from the sheet and securely adhere it to the platen, ensuring precise alignment. Utilize an edge-trailing stroke (up and away) technique, which differs from the approach used with diamond stones.

Boron carbide is particularly effective for diamond lapping, especially when processing hard materials such as tungsten carbide and tempered steel. Its aggressive cutting action and high material removal efficiency make it suitable for the most demanding applications, including tungsten carbide and titanium carbide.

Diamond lapping is a material removal method using fixed diamond abrasive particles which produce long chips of the component material. The process of making chips with a sharp abrasive grain produces the lowest amount of deformation in the component while giving the highest removal rate.

When comparing aluminum oxide to Diamond lapping film for precision polishing, diamond lapping film is generally considered superior. Here are the key reasons why Diamond lapping film is better than aluminum oxide: Superior Hardness: Diamond is the hardest known material, significantly harder than aluminum oxide . This allows Diamond lapping film to cut through materials more efficiently and maintain its cutting ability over a longer period. Higher Cutting Performance: The superior hardness of Diamond translates to higher cutting performance. Diamond particles can cut and abrade materials more quickly and effectively than aluminum oxide , which results in faster material removal rates and more efficient polishing processes. Durability: Diamond lapping film is more durable due to the inherent toughness of Diamond particles. This means the abrasive surface remains effective for a longer period, reducing the need for frequent replacements and thus offering better cost-effectiveness over time. Precision and Consistency: Diamond lapping film provides a more consistent and precise finish. The uniformity of Diamond particles and their ability to maintain sharpness ensures a uniform surface finish, which is crucial in high-precision applications. Versatility: Diamond lapping film can be used on a wider range of materials, including very hard substrates such as ceramics, carbide, and hardened steels. aluminum oxide, while effective, may not perform as well on these tougher materials. Reduction in Surface Damage: The cutting efficiency and sharpness of Diamond particles help in reducing the heat generated during the lapping process, which minimizes the risk of surface damage such as burns or cracks. In summary, Diamond lapping film offers better performance, durability, and precision compared to aluminum oxide, making it the preferred choice for high-precision and demanding polishing tasks.

Diamond slurries are often used in precision lapping applications, as they offer several advantages over traditional abrasives such as Alumina or silicon carbide. Diamond particles are harder and more durable than these traditional abrasives, allowing for faster material removal and improved surface finish.

You should choose a diamond lapping fluid that provides stable particle suspension, effective cooling, and consistent lubrication during processing. It should also help reduce residue buildup and support corrosion protection where required. For reliable performance, the fluid concentration should be maintained within the recommended range, and contamination should be monitored regularly.

The main purpose of the lapping process is to achieve uniformly smooth and flat surfaces on components. This is achieved by selectively removing material from the high points of the surface through controlled interaction with a flat lap plate.

The lapping process, which is less aggressive than honing, typically removes 0.0005” to 0.005” (0.0127 mm to 0.127 mm) of material. Therefore, the workpiece should be pre-sized as closely as possible to the final dimensions, often through double-disk grinding, before lapping.

To clean a diamond lapping plate, evenly apply Bar Keepers Friend using a nylon brush. Gently scrub the plate for one to two minutes, then rinse with warm water while continuing to scrub. Ensure thorough rinsing to remove all residues.