Polish size of diameters up to 5 in. Part size ranges from 0. Internal and inside diameter ID lapping services on parts. Grinds up to 12 in. Provides multi-axis CNC control on grinders for roundness, cylindricity, and size consistency.
General Guidelines For Cylindrical Hole Lapping
At Duval Precision Grinding, we welcome new and exciting challenges. Recently, a client sought our help in producing a custom fuel seal that would be part of a space rocket. All of the aerospace components we help manufacture with our precision grinding services must be made to exacting standards and tolerances. However, in the case of grinding parts that are space-worthy, we have to take extra care to make sure these fuel seals are absolutely airtight. The fuel seal ring was made of steel and had a chrome plating. It required a custom grinding fixture that could hold it with a firm but delicate grip during the grinding process; if this fixture failed, there was the risk of warping or cracking the plating. This sensitive task was no problem for our precision grinding experts, who have years of in-depth knowledge regarding grinding machinery and are accustomed to designing and building custom grinding fixtures for difficult parts. The tolerances for this part were very tight — 0. We performed a total of nine different grinding operations ranging from ID grinding to OD grinding and surface grinding; this ensured that every exacting blueprint specification was met. To ensure the fuel seal ring would achieve an airtight seal, the surfaces needed to be exceedingly flat.
Hand Lapping Plates
Contact sales kemet. Precision Lapping Polishing Cleaning Materialography. Cylindrical Lapping is a two motion rotation and reciprocation , low pressure, abrasive machining process which utilises a lapping tool along with an abrasive in a compound form. The lapping process results in stock removal ranging from a few Microns to several Tenths of a millimetre. Any desired surface finish can be achieved.
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