Straightening out bended crankshaft

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Mechanicboy

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Hi folks!

Have you experienced when making the crankshaft and the crankshaft got bend after machining work is done? Give up and throw away the crankshaft and make a new one every time? Material costs time and money!

I maked the crankshaft to the Stuart triple steam engine by the steel C45K – DIN 1652. After the crankshaft was ready, then i spotted the crankshaft was bended due machining work. :mad:

After i straighted out the crankshaft and now the crankshaft is true. ;)

How do: Begin to straight out the crankshaft who is near collet and then beyond the crankshaft to the whole crankshaft is straightened.

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