Symmetric Casing Systems pẹlu Oruka Bit

1.In ko idurosinsin apata Ibiyi, awọn casing jẹ pataki lati tẹle.

2.Usually ni ipile tabi omi liluho daradara, fun iho nla boring.

3.liluho ijinle jẹ dara kere ju 40 mita lati ṣakoso iho daradara.ijinle nla tun wa pẹlu awọn aṣa miiran.

4.baramu si 12 ″ òòlù ati 406mm tube casing.

5. air titẹ ni 25 Bar ati air volumn ni 1500 cfm.

6. oruka bit ti wa ni osi ni iho .

Ifiranṣẹ Imeeli

Alaye ọja

Anfani

1. awọn concentric oniru jẹ diẹ gbẹkẹle ati ki o kere iyipo ju eccentric.

2. agbara ipa nla lati ṣe liluho iyara giga.

3. straighter iho .

4. rọrun lati tẹle awọn casing.

5. yiyi pada ki o si yọ awọn awaoko bit lati lo o fun tókàn ihò.