Home Forums General Discussion Shot Peening Process, Intensity, Coverage about coverage

Hello all,
Currently we met problem on the peening coverage.
we have two multi-satellite table machines. the old One with one 25Hp motor blast wheel, the other new one with one 20 HP blast wheel. They are the same wheel with differnt size motor.
The motor speed and current, cycle time are running at the same on both machines.The ARC height has not problem in the new machine. but the old one can achieve 100% coverage, the new one can only achieve 80%. Can any one tell me how to fix the problem? Urgent!!!!
Best regards,
David