Deflashing
De f lashing Many m oulded products can be separated from their excess m oulding scrap by use of scissors, cr y o g enic deflashing or buffin g . T he latter process has to be carried out w ith caution for those products w hich are bonded to m etal substrates, because excessi v e g eneration of heat w ill result in loss of the bond inte g r ity and product failure. Bu ffi ng M ach i nes T hese units can v ary from si m ple w i re brushes rotating at hi g h speed to carborundum belts. H eat g eneration in the rubber product is the m ain problem w ith these units. Cr y ogen i c De fl ash i ng Un i t s Cr y o g enic deflashing of rubber is co m m only carried out using liquid nitro g en as the te m perature depressant, althou g h so m e s m aller units can be operated using solid carbon dioxide as the low te m perature m ediu m . ...