Polycrystalline Diamond Carbide Shyiramo PDC Buto Bit ya DTH
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Polycrystalline Diamond (PCD) ni diyama ikora. Igikoresho cya PCD gitanga imbaraga zo kwambara mubikoresho byangiza cyane.
PCD Carbide shyiramo buto biti tuyita PDC Button Bit, mubisanzwe ikoreshwa kuri DTH Bit, RC Bit, Hejuru ya Nyundo. Ibyo bits bikoreshwa mu gucukura amabuye, gucukura no gucukura geologiya.
Hariho ubundi Polycrystalline Diamond Compact bit nayo yitwa PDC Bit ifite amababa 3-7 yinganda za peteroli na gaze. Ariko ntabwo aribyo tuvuga hano.
PDC bit hamwe na karbide ya PCD ifite igihe kinini cyo gukora ubuzima burenze tungsten karbide bit, ni ukuvuga igihe kingana na 5-7 igihe kirekire cyo kubaho. Rero iragenda ikundwa cyane mubikorwa byo gucukura amabuye y'agaciro.
DTH bits ibisobanuro:
| Inyundo | Bits diameter | Shank | |
| Ibipimo | Inch | ||
| 1" | 64mm-70mm | 2 1/2"-2 3/4" | BR1 |
| 2" | 70mm-95mm | 2 3/4"-3 3/4" | MACH20/BR2 |
| 3" | 90mm-102mm | 3 1/2"-4" | COP32/COP34/MACH303 |
| M30/DHD3.5/BR3 | |||
| 4" | 105mm-152mm | 4 1/8"-6" | COP44/DHD340/MACH44 |
| SD4/M40/QL40 | |||
| 5" | 133mm-165mm | 5 1/4"-6 1/2" | COP54/DHD350R/MACH50 |
| SD5/M50/QL50/BR5 | |||
| 6" | 152mm-254mm | 4 1/8"-10" | COP64/DHD360/SD6 |
| M60/QL60/Bulroc BR6 | |||
| 8" | 203mm-330mm | 8"-13" | COP84/DHD380/SD8 |
| QL80/M80 | |||
| 10" | 254mm-380mm | 10"-15" | SD10 |
| NUMA100 | |||
| 12" | 305mm-508mm | 12"-20" | DHD1120/SD12 |
| NUMA120/NUMA125 | |||
| Kumenya amakuru ya 12-30 santimetero, twandikire nonaha | |||
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