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The Atlas Copco product line includes rotary drill bits designed to deliver competitive performance on current generation waterwell and oilfield drilling rigs. Atlas Copco rotary drill bits are available in both open bearing and sealed bearing, and as milled tooth or tungsten carbide insert TCI bits. See Atlas Copco products for water well and oilfield drilling here.
Atlas Copco TCI bits have optimally designed bearing structures to withstand extreme pulldown loads typical of today's mining drill rigs. A robust bearing matched with an aggressive cutting structure csk drill bit 5g good penetration rates in a wide cross section of formations.
See Atlas Copco products for blasthole drilling here. A variety of insert shapes in the cutting structure design perform efficiently and increase the bit life.
Deeply set spherical inserts on shirttail for effective grip during long runs in abrasive formation. Hard metal welding for superior wear resistance.
Atlas Copco manufactures Tungsten Carbide Insert TCI drilling bits in various cutting structure designs ranging from aggressive long conical inserts to moderately blunt compacts.
Each type is designed differently to tailor the cutting bir to most efficiently drill specific formations. Widely spaced, large diameter chisel or conical inserts characterize the F4 series bits. This configuration promotes maximum penetration rates in softer formations that have a tendency to stick and ball up the cutting structure.
Shorter and more closely spaced inserts in the 5t and F6 series promotes maximum penetration rates in hard formations. Moderately spaced chisel and conical inserts with blunt points and medium protection for aggressive drilling and good penetration. Csk drill bit 5g used for hard coal overburden in formations like volcanic rocks rhyolite, dacite, andesite, etc. Closely spaced conical, ogive, and some chisel inserts with blunter points and shorter projections on an increased number of rows per cone.
Typically used in formations like volcanic rocks rhyolite, dacite, andesite, etc. Densely packed, strong conical and ogive inserts with csk drill bit 5g projections. Typically used in formations like taconite, quartzite, banded iron formations and high grade metamorphic rocks like skarns, tacite, hornfels, etc.
Ideal conditions exist for milled tooth bits when drilling in very soft to medium hard rock. Tungsten carbide hard facing on the teeth give rdill wear resistance. Large widely spaced teeth with interruptions, removals and deletions on gage.
Full tooth hardfacing in both sealed and opened bearing configurations. Primary application - waterwell drilling. More teeth and rows than F1 class bits.
These bits have smaller and shorter teeth, with larger included angle for strength. Similar hardfacing to F1 class bits, except no hardfacing on lead side teeth. Available in sealed and open bearing configuration.
Primary application - water well drilling. Short, small closely spaced teeth for maximum bottom hole coverage. Tooth hardfacing only on gage and 5 point. Maximum gage protection with optional carbide inserts. Primary applications - waterwell and oilfield workover and completions.
Sufficient air volume should be provided to produce an annular return velocity of 5, ft. Since friction losses in the annulus of relatively shallow holes of blasthole drilling are negligible, this becomes:. The table on this page shows volumetric requirements in cubic csk drill bit 5g of free air per minute necessary to provide both 5, and 7.
With all constants combined and area expressed as difference between hole and pipe areas, this equation becomes:.
Had 7, ft. The above equation may also be rewritten to solve for annular velocity "V" when available compressor capacity, hole size and pipe size are known. Air Csk drill bit 5g requirements for various hole diameter and drill pipe combinations for 5, ft.
D csk drill bit 5g diameter in d drill pipe O. KC Bit. Drillbit Education Understand just a bit more. Atlas Copco. The Atlas Copco rotary drill bit product line The Atlas Copco product line includes rotary drill bits designed to deliver competitive performance on current generation waterwell and oilfield drilling rigs.
Your selection will depend upon whether the application is Air blt Mud circulation drilling. Key Applications. Blast Mining Atlas Copco TCI bits have optimally designed bearing structures to withstand extreme pulldown loads typical of today's mining drill rigs. Controlled metallurgy and generous air passages for cooling ensure extended bearing hours. Product Dirll. Fast Penetration A variety of insert shapes in the cutting structure design perform csk drill bit 5g and increase the bit life.
Optimized Nozzle Orientation Efficient evacuation of cuttings through optimized drkll size and orientation. Drill Ccsk Selection Guide Determine the drill bit type you need based on formation strength.
Rugged Shirttail Bjt Three different types of shirttail protection to fit your drilling needs: Regular protection for soft overburdens. Armor protection for wet and abrasive formations like sandstone.
Enhanced protection for dense and fractured formations like iron ore. The Type F1 steel tooth bit design performs optimally in csk drill bit 5g of low compressive strength. Long slim, strong teeth designed for soft formation bits allow deep penetration in csk drill bit 5g formation with comparatively light weight on bit. The Type F2 steel tooth bit design performs best in medium formations and have more closely spaced teeth with more gage surface to resist wear.
The Type F3 steel tooth design drills best in hard formations. These bits have higher capacity bearings and more closely spaced teeth with increased tooth angles to allow the use of heavier weights required to effectively drill hard formations.
Contact info Phone: Email: sales kcbits. Facebook LinkedIn Twitter.
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can_kan
31.08.2020 at 20:24:54
Ayka18
31.08.2020 at 10:39:24