Is there a formula? How to calculate
Give you an example of the double hole connecting rod, L=M- (d1+d2) /2
The judgment standard is the balance disc lathe lathe spindle neutral, rotating disc by hand, if the disk can be arbitrarily stop at any place, and not always stay the same place, you can judge the disk is balanced. The balance of the disc is a practical process, the weight of the counterweight is reduced, and the weight is added. There is no formula and no calculation.
If you tell the workers how to calculate, he can't see you. You should let them have experience. They can handle the relationship quickly and in case you make a mistake and an accident, you can't get started.
