Design Guidelines
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Design Guidelines
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Sintering is a crucial step in the production of ceramic components, as it strengthens the bonding between ceramic particles, enhancing the strength and density of the components. Although sintering requires equipment and energy consumption, its cost is generally lower compared to subsequent processing steps.
Grinding is a process that involves initial surface smoothing and shaping of ceramic components after sintering. Its purpose is to remove any surface irregularities and excess material that may have occurred during the sintering process, laying the foundation for subsequent processing. The equipment and operation required for rough grinding are relatively simple, resulting in lower costs.
Lapping is a more delicate process that takes place after coarse grinding. It is designed to further improve the surface quality and shape accuracy of ceramic parts to meet more stringent process requirements. Fine grinding requires finer equipment and operating skills, so the cost is higher than that grinding.
Polishing is the final processing step for ceramic components, aiming to achieve a very high level of surface smoothness and aesthetics. The polishing process may require the use of special polishing materials and equipment, and the operation time is relatively long, thus resulting in higher costs.
Ingeneral,the less we do to the ceramic part after it is sintered,the less it cost. Here is a list of the processing after sintering in order of cost increasing to ceramic part.
Internal and external cylindrical grinding is the process of machining the inner and outer cylindrical surfaces of ceramic parts. While it requires specific equipment and tools, the technical complexity is moderate, and the cost is slightly higher compared to flat grinding.
Milling and drilling are common methods used for shaping and hole-making in ceramic components. These processes require complex equipment and high technical expertise, resulting in relatively higher costs.
Polishing is a process used to enhance the surface smoothness and aesthetics of ceramic components. The polishing process may involve multiple steps, requiring meticulous handling and a longer duration, resulting in relatively higher costs.
Hand finishing is typically used for high-precision processing or repair of ceramic components. This method relies on the skills and experience of the worker, and the processing efficiency is relatively low, resulting in the highest costs.
Avoid sharp internal corner and undercut to save the cost and away from stress riser.
Avoid knife edge features, because the brittleness of the ceramics. Provide radius and chamfer on each edge to prevent from chipping whenever possible. Tight tolerance causes expensive cost.
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