4" 5" 6" dth guduma DHD 340 350 maɓalli hakowa bit
DTH bit shine dutsen yankan kayan aiki.Sinodrills DTH bit an yi shi da ƙarfe mai inganci mai inganci wanda Timken ya yi a Amurka Bayan haka, duk DTH ɗin mu yana amfani da alamar "Element Six" TC carbide wanda ke ba da (maɓallan TC) don Boart Longyear.Bugu da ƙari fasahar kera fasaha ta sa bit ɗin DTH ɗinmu yana da inganci mafi girma kuma mafi inganci.
Salon fuska daban-daban yana sa DTH bit ya dace da yanayin dutse daban-daban.
Flat Fuska: Wannan ƙirar duniya ce, musamman don ƙaƙƙarfan samuwar dutse.Don haka yawanci, lebur fuska tare da ƙirar maɓallan hemi-spherical shine zaɓin da ya fi shahara.
Fuskar Convex: Kyakkyawan ƙira don ƙirƙirar dutse mai laushi zuwa matsakaici wanda ba shi da ƙura.Wannan ƙira tana da kyakkyawan ƙimar shigar ciki amma rashin ƙarfi a cikin karkacewar ramin idan duwatsu suna da wahala.
Fuskar Maɗaukaki: Matsakaici mai wuya ga sifofin dutse masu wuya waɗanda ba su da ƙarfi da karyewa.Musamman don hakowa mai zurfi, kyakkyawan iko akan karkatar da rami.
Samfura | Haɗin Zare | OD (mm) | Girman Ramin Rec | Shank Style | Matsin Aiki (Bar) |
CD35 | API 2 3/8" Reg | 82mm | 90-φ105 | Farashin 3.5 CD35 | 1.0-1.5Mpa |
CD45 | API 2 3/8" Reg | ku 99mm | φ110-φ135 | Cop44 Farashin 340 CD45 | 1.0-2.5Mpa |
CSD4 | API 2 3/8" Reg | ku 99mm | φ110-φ135 | SD4 CSD4 | 1.0-2.5Mpa |
CQL40 | API 2 3/8" Reg | ku 99mm | φ110-φ135 | QL40 CQL40 | 1.0-2.5Mpa |
CD55 | API 2 3/8" Reg API 3 1/2" Reg | φ125mm | φ135-φ155 | Kwafi54 Farashin 350R CD55 | 1.0-2.5Mpa |
CSD5 | API 3 1/2" Reg | φ125mm | φ135-φ155 | SD5 CSD5 | 1.0-2.5Mpa |
CQL50 | API 3 1/2" Reg | φ125mm | φ135-φ155 | Kwafi54 QL50 CQL50 | 1.0-2.5Mpa |
CD65 | API 3 1/2" Reg | φ148mm | φ155-φ190 | Cop64 Bayanan Bayani na 360DD CD65 | 1.0-2.5Mpa |
CSD6 | API 3 1/2" Reg | φ148mm | φ155-φ190 | SD6 CSD6 | 1.0-2.5Mpa |
CQL60 | API 3 1/2" Reg | φ148mm | φ155-φ190 | Cop64 QL60 CQL60 | 1.0-2.5Mpa |
CD85 | API 4 1/2" Reg | φ185mm | φ195-φ254 | Kwafi84 Farashin 380 CD85 | 1.0-2.5Mpa |
CSD85 | API 4 1/2" Reg | φ185mm | φ195-φ254 | SD8 CSD8 | 1.0-2.5Mpa |
CQL80 | API 4 1/2" Reg | φ185mm | φ195-φ254 | QL80 CQL80 | 1.0-2.5Mpa |
CSD10 | API 4 1/2" Reg API 5 1/2" Reg API 6 5/8" Reg | φ225mm | φ254-φ311 | SD10 CSD10 | 1.0-2.5Mpa |
Farashin CN100 | API 6 5/8" Reg | φ225mm | φ254-φ311 | NUMA100 Farashin CN100 | 1.0-2.5Mpa |
CSD12 | API 6 5/8" Reg | φ275mm | φ305-φ445 | SD12 CSD12 | 1.0-2.5Mpa |