Compression machine

dear sir
during inprocess in compression how much tablets we take for thickness, hardness, weight, etc and why?

During in process individual 20 tablets and for friability depend upon tablet weight for example individual tablet is more than 650 mg we need to take 10 tablets if individual weight of tablet less than 650 mg we need to take 6.5 grams of tablets as per guidelines and thickness 6 tablets hardness 6 tablets …Dt 6 tablets

in case machine running time punches are breakdown what will be the next procedure