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Ka mahi tahi te hama o raro-te-poka me te riu keri ki raro-te-poka me te moka drill dth, ka whakamahia te nuinga ki te hanga maina, mapere keri keri poka, keri poka wai, miihini keri keri me etahi atu hanga miihini.
1. Ko D Miningwell DTH hama he momo rewharewha o te puku, he pai te painga o te tuku i te paura toka, ka whakaiti i te pakaru o te toka toka, ka whakaiti i te kakahu o te moka keri, ka pai ake te pai o te keri;
2. Ko te rahi o te hanganga o roto o te kaitapa i hangaia me te ariā keri toka matatau, kia taea ai e te kaitapa te whiwhi i te whakawhiti kaha pai, te kaha o te paanga kotahi, te tere o te keri toka me te iti ake o te kohi hau;
3. Ma te whakamahi i nga rauemi mata teitei me te hangarau tukatuka matatau, he pai ake te mahi, he roa ake te oranga o te ratonga.
4. He ngawari te whakakore me te huihuinga, he iti te kore me te tiaki pai.
| Tawhā Hangarau | |||||
| Tauira | CIR50 | ||||
| Roa(Motiiti iti) | Taumaha (Motiiti iti) | Te diameter o waho | Bit Shank | Awhe Kohao | Miro Hononga |
| 628mm | 5.5kg | φ46mm | CIR50 | φ50-60 | F32X8PIN |
| Te pehanga Mahi | Paanga 0.63Mpa | Tūtohu tere edrotation | Kohi hau | ||
| 0.5Mpa | 0.63Mpa | 1.0Mpa | |||
| 0.5-1.0Mpa | 16.6Hz | 40-55r"'/min | 50L"'/s | 60L"'/s | 75L"'/s |
| Tauira | D56 | ||||
| Roa(Motiiti iti) | Taumaha (Motiiti iti) | Te diameter o waho | Bit Shank | Awhe Kohao | Miro Hononga |
| 668mm | 5.8kg | φ46mm | 56 | φ50-60 | F32X8PIN |
| Te pehanga Mahi | Paanga 0.63Mpa | Tūtohu tere edrotation | Kohi hau | ||
| 0.5Mpa | 0.63Mpa | 1.0Mpa | |||
| 0.5-1.0Mpa | 16.6Hz | 40-55r"'/min | 50L"'/s | 60L"'/s | 75L"'/s |
| Tauira | CIR76A | ||||
| Roa(Motiiti iti) | Taumaha (Motiiti iti) | Te diameter o waho | Bit Shank | Awhe Kohao | Miro Hononga |
| 772mm | 14.7kg | φ68mm | CIR76 | φ76-80 | F48X10PIN |
| Te pehanga Mahi | Paanga 0.63Mpa | Tūtohu tere edrotation | Kohi hau | ||
| 0.5Mpa | 0.63Mpa | 1.0Mpa | |||
| 0.5-1.0Mpa | 16.6Hz | 30-80r"'/min | 55L"'/s | 65L"'/s | 80L"'/s |
| Tauira | CIR90A | ||||
| Roa(Motiiti iti) | Taumaha (Motiiti iti) | Te diameter o waho | Bit Shank | Awhe Kohao | Miro Hononga |
| 796mm | 20.3kg | φ80mm | CIR90 | φ90-130 | F48X10PIN |
| Te pehanga Mahi | Paanga 0.63Mpa | Tūtohu tere edrotation | Kohi hau | ||
| 0.5Mpa | 0.63Mpa | 1.0Mpa | |||
| 0.5-1.0Mpa | 16.6Hz | 30-80r"'/min | 75L"'/s | 95L"'/s | 110L"'/s |
| Tauira | CIR90B | ||||
| Roa(Motiiti iti) | Taumaha (Motiiti iti) | Te diameter o waho | Bit Shank | Awhe Kohao | Miro Hononga |
| 782mm | 19.7kg | φ80mm | CIR90 | φ90-130 | F48X10PIN |
| Te pehanga Mahi | Paanga 0.63Mpa | Tūtohu tere edrotation | Kohi hau | ||
| 0.5Mpa | 0.63Mpa | 1.0Mpa | |||
| 0.5-1.0Mpa | 16.5Hz | 30-80r"'/min | 85L"'/s | 105L"'/s | 120L"'/s |
| Tauira | CIR110A | ||||
| Roa(Motiiti iti) | Taumaha (Motiiti iti) | Te diameter o waho | Bit Shank | Awhe Kohao | Miro Hononga |
| 838mm | 35.86kg | φ101mm | CIR110 | φ110-135 | API23"'/8Reg |
| Pouaka | |||||
| Te pehanga Mahi | Paanga 0.63Mpa | Tūtohu tere edrotation | Kohi hau | ||
| 0.5Mpa | 0.63Mpa | 1.0Mpa | |||
| 0.5-1.0Mpa | 16.2Hz | 25-50r"'/min | 100L"'/s | 130L"'/s | 155L"'/s |
| Tauira | CIR150A | ||||
| Roa(Motiiti iti) | Taumaha (Motiiti iti) | Te diameter o waho | Bit Shank | Awhe Kohao | Miro Hononga |
| 901mm | 68.6kg | φ137mm | CIR150 | φ155-178 | F75*10 Pouaka |
| Te pehanga Mahi | Paanga 0.63Mpa | Tūtohu tere edrotation | Kohi hau | ||
| 0.5Mpa | 0.63Mpa | 1.0Mpa | |||
| 0.5-1.0Mpa | 16Hz | 20-40r"'/min | 220L"'/s | 255L"'/s | 300L"'/s |
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