
Eyi jẹ a Trepanning Ọpa (ti a tun mọ ni adaṣe ṣofo tabi lilu mojuto), ohun elo gige amọja kan fun ṣiṣe ẹrọ iho ti o jinlẹ ti o yọ ohun elo kuro daradara nipa gige gbigbẹ annular kan, nlọ mojuto to lagbara. O jẹ apẹrẹ fun roughing nla-rọsẹ jin ihò, significantly atehinwa egbin ohun elo ati ki o machining akoko.
| Ẹya ara ẹrọ | Išẹ | Ohun elo / Awọn ẹya ara ẹrọ |
|---|---|---|
| Awọn ifibọ gige | Awọn eti gige akọkọ fun yiyọ ohun elo anular kuro | Carbide (fun apẹẹrẹ, YG8, WC-Co) tabi carbide ti a bo, o dara fun irin erogba, irin alagbara, awọn ohun elo titanium, ati bẹbẹ lọ. |
| Awọn paadi Itọsọna | Stabilize awọn ọpa ati rii daju iho straightness / cylindricity | Awọn ifibọ carbide Tungsten, pẹlu imukuro 0.02-0.05 mm lati ogiri iho lati dinku iyipada ọpa. |
| Ara Irinṣẹ | Awọn ifibọ gbeko ati awọn paadi itọsọna, ṣepọ awọn ikanni tutu | 42CrMo alloy irin, ooru-mu si HRC 30-35 fun ga rigidity ati ikolu resistance. |
| Asopọmọra Interface | Sopọ si jin iho alaidun tubes tabi toolholders | Konge asapo tabi taper fit lati rii daju concentricity ati iyipo gbigbe. |
| Ẹka paramita | Aṣoju Awọn pato | Awọn akọsilẹ |
|---|---|---|
| Ibamu Iho opin | φ80-φ500 mm | Awọn iwọn ila opin ti o tobi julọ wa lori ibeere. |
| O pọju Ijinle Machining | 5000 mm | Da lori ọpọlọ ọpa ẹrọ ati ipari tube alaidun. |
| Nọmba ti Ige awọn ifibọ | 4-8 awọn ege | Paapaa pinpin fun gige iduroṣinṣin. |
| Nọmba ti Itọsọna paadi | 4-6 awọn ege | Staggered pẹlu awọn ifibọ fun ti aipe itoni. |
| Titẹ tutu | 5–15 MPa | Rii daju pe awọn eerun ti daduro fun igbaduro ati yọkuro laisiyonu. |
| Niyanju Ige paramita | Iyara gige v = 40-80 m / min Oṣuwọn ifunni f = 0.15-0.4 mm/iṣafihan | Satunṣe da lori workpiece ohun elo; awọn ifibọ carbide gba awọn iyara ti o ga julọ. |
| Yiye ti ẹrọ | Ifarada Iho IT8-IT10 Dada Roughness Ra 3.2-6.3 μm | Ipari ti o tẹle (fun apẹẹrẹ, honing) ni a nilo fun pipe ti o ga julọ. |