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Polycrystalline Diamond Carbide Fi PDC Bọtini Bit fun DTH
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Apejuwe
Diamond Polycrystalline (PCD) jẹ diamond sintetiki. Ọpa PCD n pese resistance yiya ti o ga julọ ni awọn ohun elo abrasive giga.
PCD Carbide ifibọ bọtini bit a pe o PDC Button Bit, nigbagbogbo lo fun DTH Bit, RC Bit, Top Hammer Bit. Awọn die-die wọnyẹn ni a lo fun sisọ okuta, iwakusa ati iwakiri ilẹ-aye.
Nibẹ ni miran Polycrystalline Diamond Compact bit ti o tun npe ni PDC Bit pẹlu 3-7 iyẹ fun epo ati gaasi ile ise. Ṣugbọn kii ṣe pe a n sọrọ nibi.
Awọn PDC bit pẹlu PCD carbide ni o ni Elo to gun sìn s'aiye ju tungsten carbide bit, ie, nipa 5-7 akoko gun s'aiye. Nitorinaa o n di olokiki siwaju ati siwaju sii ni aaye iṣẹ iwakusa.
Awọn pato DTH die-die:
| Hammer inch | Awọn iwọn ila opin | Shank | |
| Metiriki | Inṣi | ||
| 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 | |||
| Lati mọ alaye 12-30 inch die-die, kan si wa ni bayi | |||
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