▶In general, the less we do to the ceramic part after it is sintered,
the less it cost. Here is a list of of the processing after sintering in
order if cost increasing to ceramic part.
▶The different choice of machining also cause the different cost of ceramic part. Below there is a list of machining operations in order of cost increasing to ceramic part.
●Milling or Drilling
▶ Avoid sharp internal corner and undercut to save the cost and away from the stressriser.
▶ Avoid knife edge features, because the brittleness of the ceramics.
▶ Provide radius and chamfer in each edge to prevent from chipping whenever possible.
▶ Tight tolerance causes expensive cost.