1, Ige ipari: 500mm-9999mm.
2, Ige konge: ± 1mm.
3Nlo fifa epo olominira ati awọn ipoidojuko àlẹmọ awọn ẹgbẹ meji ti awọn tubes bàbà lati pin kaakiri ni ọpọlọpọ awọn ipo jia fun epo, lubrication ati itutu agbaiye.
4, Ilana ọbẹ Helical, Iru ọbẹ sawtooth, dinku idena gige, ariwo kekere.
5Itọju iwọntunwọnsi: irin alloy didara to gaju fun ọpa abẹfẹlẹ, eyiti o ṣe iranlọwọ lati tọju iduroṣinṣin to dara.