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Xs F System
Brand: GeoRocFor Accessories IncThe Xs F (Floating) system is especially designed for piling, micro piling, anchor installation and other civil engineering applications in shallow holes, whether the casing is left in the hole or pulled.
The Xs F can be used with any size of casing. The life of this system is much improved because of its geometry which has two (2) internal shoulders (donut).
One transfers impact to the drive shoe, giving the necessary force to drive the casing down. The second transfers energy directly to the crown bit for drilling.
Components:
Driver Bit
The driver bit is the device that transfers impact and rotation to the crown bit for drilling. The driver bit locks into two flats on the casing crown and they act together as a standard drill bit, both the driver bit and the crown have tungsten carbide buttons. The Driver bit drills a pilot hole of 3″ below the crown to guide the direction of the casing in rough drilling.
Ring Bit
The crown bit is a single unit with Tungsten carbide, held on the driver only by the locking surface.
The crown bit is a single unit with Tungsten carbide, held on the driver only by the locking surface.
Driving Shoe
The driving shoe is welded to the casing, and received the impact from the driver bit to drive down the casing. The drive shoe is the same OD as the casing to allow easy retrieval.
- Impact zone: Direct energy from the hammer is transferred to the Ring bit through two (2) recesses formed by the locking surface plus a projection all around the periphery of the driver (donut).
- Evacuation: Two (2) big air holes are drilled in the face of the bit (drilling end). Those holes are directly connected to two (2) large flushing air ways, these flushing grooves transfer the drill debris from the drilling end of the driver up to the hammer zone. To help keeping a good flow of debris, two (2) other smaller air holes in the flushing air ways, help give the cuttings some velocity.
- Straighter Holes: Because this ring bit system doesn’t use any eccentric parts, it will drill in any type of overburden with pratically no deviation. The driver bit design has a pilot portion that drills 3″ to 5″, ahead of the crown bit, allowing it to keep the casing very straight. If you try to drill on the side of a boulder with an eccentric system, the reamer will kick you out of your trajectory.
- Better Rate of Penetration: there are two (2) distinct advantages when drilling with the Xs drill system:
- Concentric: On the crown bit, there are carbide buttons all around the periphery of the hole, as opposed to approximately one third (1/3) on an eccentric system. That means that for each turn you do with our ring bit, you have in fact drilled a deeper portion of the hole compared to drilling with any eccentric design.
- Hammer: If you have a lot of boulders, or if you need to drill in fractured rock, the Xs is the only system offering the advantage of using a larger hammer to drill with the crown. The penetration rate through boulders will be comparable to drilling with a conventional oversized bit.
- Smooth Drilling: Compared to an eccentric method, drilling with the full face Xs drill system will be an unbelievable experience. Working with an eccentric system is very hard on every piece of equipment due to excessive torque applied by the reamer on the driver device, hammer, drill rods, rotation head and mast.
- Wear on gage carbide button: The wear on the carbide buttons on an eccentric system (on the pilot and especially on the reamer part) will occur very fast, especially in abrasive rock or harder ground conditions. On the Xs drill system, there is double the quantity of carbides on the gage row that are actually needed to give extended life.
- Components: Eccentric systems consist of a lot of different components, all necessary for its operation. Usually there is a pilot bit, a reamer bit, a driver, steel balls, set screws, pins, spring pins, etc… if you are using a wing type system, a driver device, 2, 3, or 4 wings, pins, screws, spring pins, etc.. All these parts are very costly and this can cause you lot of time on a job site. With the Xs drill system, there is a driver and an assembled crown ready to drill. That’s it !
- Toughness of parts: In eccentric and/or wing bit systems, all components are very fragile, and as soon as you have a little bit of wear in overall system, those parts are inclined to break without notice and leave you again with down time.
- Direct Energy Transfer: With the Xs drill system, the energy given by the hammer is transfer directly and entirely to the drilling part of the crown bit, and not to a driving shoe.
- Easier to Weld: The crown bit is composed of two (2) assembled swivel parts. The lower rotating part which has carbide buttons to drill, receives the impact and rotation from the hammer. The upper part is welded to the casing, but doesn’t receive any percussion directly from the hammer but is pulled down with the casing through a swivel joint. The impact to the joint is minimized because the drilling action of the rotating crown portion has absorbed most of it, leaving however enough energy to pull down the casing.
- Less Maintenance: In almost any other system, there is a lot of maintenance to do on the most expensive part which is the driver device. The driving shoe is fixed to the casing and the driver rotates and impacts on the upper shoe causing rapid wear to appear on the driver which then needs to be rebuilt or replaced. On the Xs drill system, that grinding effect is transferred to the swivel joint between the upper and lower part of the crown, which in 90% of cases is left in the hole.
1 - 12 of 40 Part Numbers
XS-F-CR
- Maximum Wall - 0.375" / 9.5mm
- Hammer Size - 2" / 50.8mm
XS-F-CR10.75
- Casing OD - 10.750" / 273mm
XS-F-CR12.75
- Casing OD - 12.750" / 323.9mm
XS-F-CR12.75-B
- Casing OD - 12.750" / 323.9mm
- System Measurements - B
- Maximum Wall - 0.375" / 9.5mm
XS-F-CR13.375
- Casing OD - 13.375" / 339.7mm
XS-F-CR13.375-C
- Casing OD - 13.375" / 339.7mm
- System Measurements - C
XS-F-CR14.00
- Casing OD - 14.000" / 355.6mm
- Maximum Wall - 0.375" / 9.5mm
XS-F-CR16.00
- Casing OD - 16.000" / 406.4mm
XS-F-CR18.00
- Casing OD - 18.000" / 457.2mm
XS-F-CR20.00
- Casing OD - 20.000" / 508mm
- Hammer Size - 15" - 381mm
XS-F-CR22.00
- Casing OD - 22.000" / 558.8mm
XS-F-CR24.00
- Casing OD - 24.000" / 609.6mm
- Maximum Wall - 0.375" / 9.5mm
1 - 12 of 40 Part Numbers
Specifications
Casing OD
- 4.000”/101.6 mm
- 4.500”/114.3 mm
- 5.000”/127 mm
- 5.250”/133.4 mm
- 5.500”/139.7 mm
- 6.000”/152.4 mm
- 6.625”/168.3 mm
- 7.000”/177,8 mm
- 7.625”/193.7 mm
- 8.625”/219 mm
- 9.625”/244.5 mm
- 10.750”/273 mm
- 12.750”/323.9 mm
- 13.375”/339.7 mm
- 14.000”/355.6 mm
- 16.000”/406.4 mm
- 18.000”/457.2 mm
- 20.000”/508 mm
- 22.000”/558.8 mm
- 24.000”/609.6 mm
- 26.000”/660.4 mm
- 28.000”/711.2 mm
- 30.000”/762 mm
- 32.000”/812.8 mm
- 36.000”/914.4 mm
Maximum Wall
- 0.375”/9.5 mm
- 0.250”/6.4 mm
- 0.500”/12.7 mm
- 0.472”/12 mm
- 0.272”/6.9 mm
- 0.276”/7 mm
- 0.395”/10 mm
- 0.638”/16.2 mm
- 0.513”/13 mm
- 0.563”/14.3 mm
- 0.670”/17 mm
- 0.625”/16 mm
- 0.512”/13 mm
Crown OD
- 4.250”/108 mm
- 4.875”/124 mm
- 5.500”/139.7 mm
- 5.750”/146 mm
- 6.375”/161.9 mm
- 7.000”/177.8 mm
- 7.250”/184.2 mm
- 7.375”/187.3 mm
- 8.000”/203.2 mm
- 9.000”/228.6 mm
- 10.000”/254 mm
- 11.000”/279.4 mm
- 13.000”/330.2 mm
- 13.625”/346 mm
- 14.500”/368.3 mm
- 16.500”/419 mm
- 18.500”/470 mm
- 20.500”/520.5 mm
- 22.500”/571.5 mm
- 24.500”/622.3 mm
- 26.750”/520.5 mm
- 28.750”/730.3 mm
- 30.750”/871 mm
- 32.750”/832 mm
- 36.750”/933.5 mm
Crown I.D.
- 2.790”/70.9 mm
- 3.550”/90.2 mm
- 3.100”/78.7 mm
- 4.030”/102.4 mm
- 3.810”/96.8 mm
- 4.260”/108.2 mm
- 4.330”/110 mm
- 5.450”/138.4 mm
- 4.900”/124.5 mm
- 5.900”/149.9 mm
- 5.760”/146.3 mm
- 5.550”/141 mm
- 5.580”/141.7 mm
- 7.150”/181.6 mm
- 7.750”/197 mm
- 7.500”/190.5 mm
- 8.600”/218.4 mm
- 11.080”/281.4 mm
- 10.860”/275.8 mm
- 11.480”/291.6 mm
- 12.000”/304.8 mm
- 13.500”/343 mm
- 15.710”/399 mm
- 17.220”/437.4 mm
- 19.470”/494.5 mm
- 21.720”/551.7 mm
- 23.220”/589.8 mm
- 25.220”/640.6 mm
- 26.600”/675.6 mm
- 28.600”/726.4 mm
- 32.600”/828 mm
Crown A/F
- 2.510”/63.8 mm
- 3.200”/81.3 mm
- 2.760”/70.1 mm
- 3.550”/90.2 mm
- 3.235”/82.2 mm
- 3.750”/95.3 mm
- 4.030”/102.4 mm
- 5.050”/128.3 mm
- 4.465”/113.4 mm
- 5.350”/135.9 mm
- 5.150”/130.8 mm
- 4.940”/125.5 mm
- 5.080”/129 mm
- 6.540”/166 mm
- 7.050”/179 mm
- 6.800”/172.7 mm
- 8.000”/203.2 mm
- 10.300”/261.6 mm
- 10.050”/255.3 mm
- 10.650”/270.5 mm
- 11.250”/285.8 mm
- 12.500”/317.5 mm
- 14.770” / 375.2 mm
- 16.060”/408 mm
- 18.310”/465 mm
- 20.560”/522.2 mm
- 22.060”/560.3 mm
- 24.060”/611 mm
- 25.400”/645.2 mm
- 27.400”/696 mm
- 31.400”/797.6 mm
Driver OD
- 3.190”/81 mm
- 3.950”/100.3 mm
- 3.440”/87.4 mm
- 4.420”/112.3 mm
- 4.230”/107.4 mm
- 4.690”/119.1 mm
- 5.000”/127 mm
- 6.030”/153.2 mm
- 5.550”/141 mm
- 6.395”/162.4 mm
- 6.180”/157 mm
- 5.950”/151.1 mm
- 6.300”/160 mm
- 7.570”/193.3 mm
- 8.540”/216.9 mm
- 8.450”/214.6 mm
- 9.350”/237.5 mm
- 11.930”/303 mm
- 11.690”/297 mm
- 13.125”/333.4 mm
- 14.900”/378.5 mm
- 16.880”/428.8 mm
- 18.630”/473.2 mm
- 20.880”/530.4 mm
- 23.130”/587.5 mm
- 24.630”/625.6 m
- 26.630”/676.4 mm
- 28.500”/723.9 mm
- 30.500”/774.7 mm
- 34.500”/876.3 mm
Hammer Size
- 2”/50.8 mm
- 3” - 3.5”/76.2 m-88.9 m
- 4”/101.6 mm
- 5”/127 mm
- 6”/152.4 mm
- 8”/203.2 mm
- 10”/254 mm
- 10” - 12”/254 mm-304.8 mm
- 12”/305 mm
- 12” - 15”/305 mm-381 mm
- 15”/381 mm
- 18”/457.2 mm
- 18” - 20”/458 mm-508 mm
- 24”/609.6 mm
- 30”/762 mm
- Piling
- Micro Piling
- Anchor Installation
- Other Civil Engineering Applications