Iru iru helicalti abẹnu jia nigbagbogbo nilo iyipada profaili ati pe deede jẹ ISO6-7, ṣaaju gbogbo gbigbe, a yoo pese ni isalẹ awọn ijabọ wọnyi si alabara lati ṣayẹwo awọn alaye jia helical lati rii daju pe gbogbo wọn ni oye ati pe o dara lati firanṣẹ.
1) Bubble iyaworan
2)Diṣiro iroyin
3)Hjẹ iroyin itọju ṣaaju itọju ooru
4)Hjẹ iroyin itọju lẹhin itọju ooru
5)Material iroyin
6)Airoyin iroyin
7)Pictures ati gbogbo awọn fidio idanwo bi runout, Cylindricity ati be be lo
8) Awọn ijabọ idanwo miiran fun ibeere awọn alabara bii ijabọ wiwa abawọn