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Grinding the crankshaft is a relatively straight-forward process. The crankshaft nose is placed into the head stock chuck and the crankshaft flange (in some cases the crankshaft seal surface) is secured in the tail stock chuck. At which point the main journals can be ground. The rod journals are ground after the machine is set to the proper stroke and after the counter weights are set. After the crankshaft is ground, the oil holes are chamfered and deburred. Then, the crankshaft is polished with a fine grit belt to achieve a satisfactory micro finish.
The above process can be used to add more stroke or remove crankshaft stroke. This has been done for years. The 12 o'clock and 6 o'clock positions are offset ground.
My question is - Is there a benefit to offset grinding the 3 o'clock or 9 o'clock position?
Would there be an advantage regarding timing?
The above process can be used to add more stroke or remove crankshaft stroke. This has been done for years. The 12 o'clock and 6 o'clock positions are offset ground.
My question is - Is there a benefit to offset grinding the 3 o'clock or 9 o'clock position?
Would there be an advantage regarding timing?