
Wannan a Kayan aikin Trepanning (wanda kuma aka sani da ramin rami ko core rawar jiki), kayan aikin yankan na musamman don injin rami mai zurfi wanda ke kawar da abu da kyau ta hanyar yanke tsagi na annular, yana barin ingantaccen cibiya. Yana da manufa don roughing manyan diamita zurfin ramuka, muhimmanci rage kayan sharar gida da kuma machining lokaci.
| Bangaren | Aiki | Material/Abubuwa |
|---|---|---|
| Yankan Sakawa | Babban yankan gefuna don cire kayan annular | Carbide (misali, YG8, WC-Co) ko mai rufi carbide, dace da carbon karfe, bakin karfe, titanium gami, da dai sauransu. |
| Jagoran Pads | Tsaya kayan aiki kuma tabbatar da madaidaiciyar ramin / cylindricity | Tungsten carbide sakawa, tare da 0.02-0.05 mm share daga bangon rami don rage karkatar da kayan aiki. |
| Jikin kayan aiki | Haɗa abubuwan sakawa da fakitin jagora, yana haɗa tashoshi masu sanyaya | 42CrMo alloy karfe, zafi-bi da HRC 30-35 ga high rigidity da tasiri juriya. |
| Haɗin Intanet | Haɗa zuwa zurfin rami mai ban sha'awa bututu ko masu riƙe kayan aiki | Madaidaicin zaren zaren ko taper ya dace don tabbatar da daidaituwa da watsa karfin wuta. |
| Matsayin siga | Musamman Musamman | Bayanan kula |
|---|---|---|
| Diamita na Ramin Mai jituwa | 80-φ500 mm | Akwai manyan diamita akan buƙata. |
| Matsakaicin Zurfin Machining | 5000 mm | Ya dogara da bugun jini na kayan aikin injin da tsayin bututu mai ban sha'awa. |
| Adadin Yankan Sakawa | 4-8 guda | A ko'ina rarraba don barga yankan. |
| Adadin Mashin Jagora | 4-6 guda | Matsala tare da abubuwan sakawa don ingantacciyar jagora. |
| Matsin sanyi | 5-15 MPa | Tabbatar an dakatar da kwakwalwan kwamfuta kuma an kwashe su lafiya. |
| Nasihar Yankan Siga | Gudun yankan v = 40-80 m/min Yawan ciyarwa f = 0.15-0.4 mm/rev | Daidaita bisa ga kayan aiki; Abubuwan da ake sakawa na carbide suna ba da damar haɓaka mafi girma. |
| Daidaiton Machining | Haƙurin Hole IT8-IT10 Tsawon Surface Ra 3.2-6.3 μm | Ana buƙatar gamawa na gaba (misali, honing) don daidaici mafi girma. |