Packaging and delivery
Feature (Product Specifications)
The 170mm enhanced four-wing arc PDC drill bit uses a reinforced Four blades carry 18 main PDC cutters (4-5 per blade) plus 4 gauge pdc cutters. The 1613 cutters with 2.2mm diamond layer and HRA >85 provide the largest diamond table area available in the SUNGOOD TECH cutter range.
Advantage (Performance Advantages)
The 1613 cutters complement the enhanced body by providing 60% more diamond table area per cutter than 13mm alternatives, which means fewer cutter changes over the extended bit body life. The arc profile maintains progressive rock engagement and smooth torque response, preventing the torsional shock spikes that contribute to body fatigue cracking.
Benefit (Customer Benefits)
The practical benefit is a bit that matches the body life to the cutter life, eliminating the common situation where the body fails before the cutters are fully worn. In hard rock at 60-80 MPa, the enhanced bit achieves 600-900m runs where standard bits require replacement at 200-400m due to body cracking. This means the operator carries fewer spare bits to the drill site and changes bits less frequently. For a mining program drilling 3,000m per month, reducing bit changes from 10 to 4 saves approximately 24-30 hours of rig time monthly. The 170mm diameter suits large-diameter exploration boreholes and pilot drilling for raise boring in hard rock mines.
Evidence (Field Proven Results)
A copper mine in Chile drilling 170mm exploration boreholes in diorite and granite porphyry tested the SUNGOOD TECH 170mm enhanced arc bit against their ordinary arc bit from another supplier. The enhanced bit averaged 720m per run versus 310m for the standard bit, a 132% improvement in run length. All standard bit failures were body cracking at blade roots; no body failures occurred with the enhanced bit. Gauge wear after 720m was within acceptable limits (under 1.5mm gauge loss), indicating the cutters had remaining life when the bit was retired for inspection. For operations requiring a slightly smaller diameter with similar enhanced body performance, the Factory 152mm Enhanced Four wings Arc PDC Bits with 1610 PDC Cutters provides a 152mm enhanced four-wing arc PDC bit with 1613 cutters for hard rock mining applications.
Factory 170mm Customized 4-wing Arc PDC Bits 1613 PDC Cutters
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