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Old 08-18-2010, 08:15 PM   #71
sbrownn
SlowMo
 
Joined: Oct 2006
Oddometer: 457
Interference fit

If the tolerances for the interference fit are too tight I'm not sure how freezing and heating assembly procedures will necessarily resolve the issue. Sure it will make the parts easier to assemble and keep in place, but the resulting stresses from the interference fit will still be the same once the parts have reached an environmental temperature, so the sprocket may crack again anyway. Do you know for a fact that it is the assembly procedure that is cracking the sprocket?
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