Akasel A/S
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Our fine grinding discs Aka-Piatto and Aka-Piatto+ are the optimal choice for fine grinding of all types of materials. They have a unique, wear compensating surface design that provides a very long lifetime and continuously high material removal. Furthermore, due to being on a thin, rigid steel plate, optimum planeness and edge retention are guaranteed. One Aka-Piatto can replace 200-300 pieces of regular grinding paper, which makes it very cost-effective for fine and ultrafine grinding. Aka-Piatto+ is the optimal choice for fine grinding of brittle samples like ceramics, cermets (e.g. Ceramic Matrix Composites) and sintered carbides. It is the ideal fine grinding disc for these materials due to a lower specific pressure. The disc has a higher diamond concentration than Aka-Piatto which provides the lower specific pressure. This gives a less aggressive abrasion and very long lifetime.
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Fine grinding has to remove the scratches and deformation from plane grinding and prepare the samples for polishing. The highest possible removal and the finest possible scratch pattern can be achieved with our Aka-Piatto diamond grinding discs. For fine grinding and ultra-fine grinding Aka-Piatto and Aka-Piatto+ in grit sizes 600, 1200, 2400 and 4000 (Aka-Piatto 2400 and Aka-Piatto 4000 only available as Aka-Piatto) are recommended. They are available in the diameters 200 mm, 250 mm, 300 mm and 350 mm (the largest diameter only as Aka-Piatto 600 and Aka-Piatto 1200).
The diamond grinding discs for fine grinding are ready to use. They have to be dressed with a dressing stick occasionally to ensure a continuously high removal rate. How often they should be dressed depends on the type of material prepared.
Do you want to know more about our fine grinding consumables or how to purchase them? Then find your local distributor by clicking here or contact us at info@akasel.com.
A diamond grinding disc, like Aka-Piatto works best for harder materials where the diamonds are performing best. For very soft materials like aluminum, copper and their alloys grinding papers are probably better, but for materials harder and less ductile than those an Aka-Piatto will work fine. For harder materials like steels and hardened steels the diamond grinding discs will work great, and for very hard materials like ceramics and sintered carbides there is no other possibility than diamond grinding.
Aka-Piatto and Aka-Piatto+ are pre-dressed and ready to use. How often you should dress your diamond grinding disc depends very much on the material prepared. Most harder materials will wear the disc, and due to the wear compensating design very evenly. But some softer, ductile materials might “clog” the disc, they will leave some residue on top of the disc. This will result in lower removal and longer grinding times. If you experience an increase in time then you should use a dressing stick to remove the residue and bring the disc back to the initial performance.