Wednesday, April 7, 2010
Block Blue Printing-CNC Block Prep-Rottler F68A
Block Blue Printing-CNC Block Prep-Rottler F68A: "Block blue printing is an exact science starting with the crankshaft and camshaft centerline.The block decks and cylinder bores are corrected to the crankshaft and camshaft centerline. The cylinder bores are then bored on center distances to blueprint specs. This process is achieved through the use of a datum fixture that references the crankshaft and camshaft centerline at a true 45 degrees. The block is probed from the centerline then indicated from the dowel location. This enables the bore spacing to be corrected and blue printing the deck surfaces square to the camshaft and crankshaft centerline at a true 45 degree angle is achieved..The dimensions are imputed to the CNC control holding tolerances to 0001. This accuracy is achievable with CNC machinery and specialized precision locators, and tooling"
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