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An insulating coupling for drill collars and a method of manufacture thereof are presented wherein the coupling consists of an electrically insulating ceramic coating applied in thickness from 0.002 to 0.006 inch to the threads of the coupling by a detonation gun process and sealed with …
Get PriceA tubular threaded connection for coupling drill pipe segments to form a drill string is provided. Each of the segments has a tubular pipe body having a wall thickness of >0.5 inches (1.27 cm). The threaded connection comprises a pin end with an external thread, and a box end with an internal thread for threadable engagement with the external thread of the pin end.
Get PriceThe present invention relates to a threaded coupling having a diameter in the interval of 30 to 40 mm adapted for percussion drill rods and comprising an external thread on the rod and an internal thread in the sleeve, the threads both of the rod and the sleeve having continuously curved tops and bottoms in the longitudinal section of said threads.
Get PriceA thread coupling for a drill string for percussive drilling has a male thread ( 5 ) and a cooperating female thread ( 4 ). The male thread is arranged on a first drill string element ( 3 ) having a first impact surface ( 6 ). The female thread is arranged on a second drill string element ( 2 ) having a second impact surface ( 7 ). The male and female threads are conical, and the crests ( 8 ...
Get PriceThread coupling for a drill string for percussive drilling. The thread coupling is provided with a male thread (5) and a female thread (4) cooperating therewith. The male thread is arranged on a first drill string element (3) provided with a first impact surface (6). The female thread is arranged on a second drill string element (2) which is provided with a second impact surface (7).
Get PriceOSTI.GOV Patent: Insulating coupling for drill collars and method of manufacture thereof
Get PriceWorking with hydraulic drill rig, Threaded Drilling Tools are widely used in tunneling, mining and construction field because of high drilling efficiency, safety and environmental protection. ... Hollow drill steel processing by Boring Method ensuring quality reliability. ... Function：Coupling sleeve, Adaptor Coupling Type：Full-bridge ...
Get Price2017-10-2 · coupling drilling pipes is the threads wear, a coupling end wear, the nipple thrust collar wear and the wear of the outer diameter of the locks. Products withstood set 500 cycles of screwing - unscrewing, without disturbing the geometry of the threads and the setting of the threaded joint, the make-up torque is 17-18 kN m.
Get PriceCross Drill Coupling Thread T38 T45 for Mining Equipment Parts . Specifications. We are a professional company which is specialized in making and researching on drilling equipments as well, and our dominant products are chisel bits, cross bits, buttons bits, DTH bits with high, medium and low air pressure, symmetric drilling tools, eccentric drilling tools, standardized API system casings ...
Get PriceA method for inspecting the structural integrity of a threaded drill collar coupling; said method comprising the steps of: (a) rotatably positioning a transducing means proximate to said drill collar coupling wall;
Get PriceFIG. 1 is a side, partially schematic view, of a portion of a drill rig having a torque coupling constructed according to this invention, and shown connected into a drill string. FIG. 2 is a partial view of a pipe handling mechanism for connecting the upper end of the drill string to the torque coupling used in FIG. 1.
Get PriceRandom fatigue analysis of drill-pipe threaded connection 39 3 Static stress analysis 3.1 Tensile load A drill-string shown in Figure 7 is subjected to its self-weight, hook load, hydrostatic
Get Price2016-12-1 · 323.035 1.8 mm Threaded Drill Guide, short Screw the threaded LCP drill guide into a hole until full seated. For the 2.4 mm locking screws, use the 1.8 mm drill bit with depth mark, quick coupling, to drill to the desired depth. Determine the screw length directly from the mark on the drill bit and scale on the threaded drill guide. This
Get Price2,627 threaded coupling sleeve products are offered for sale by suppliers on Alibaba.com, of which mining machinery parts accounts for 9%, pipe fittings accounts for 3%, and men's t-shirts accounts for 1%. A wide variety of threaded coupling sleeve options are available to you, such as anti-bacterial, quick dry, and sustainable.
Get PriceThis equipment comprises mainly hexagonal shank rods, extension rods, coupling sleeves and drill bits. 2 Normative references The following standards contain provisions which, through reference in this text, constitute provisions of this International Standard.
Get PriceThreaded drilling tools and tapered drilling tools are widely used in underground mining and tunneling, whereof the threaded drilling tools include threaded button bits, threaded drill rods, shank adapters, couplings, etc. with common threads of R32, TR32, T38 and R38; the tapered drilling tools include tapered rods and tapered bits.
Get PriceNormally tubing coupling OD maximum is 4 1/2”, as the tubing pipe is applied for the drilling activities (Inside the tubing is the sucker rod to drill/pump the oil), couplings type is more various and rigorous than casing, mostly used is thicken type upset coupling (Internal upset and external upset), for short is EUE coupling, it is the most ...
Get Price2021-6-22 · the 2.8 mm threaded drill guide into a threaded plate hole until seated. Note: To assure the locking screw seats itself fully into the threaded hole, the threaded drill guide must be used to ensure the proper drilling angle. Precaution: Do not bend the plate using the threaded drill guide because damage may occur to the plate threads and/or guide.
Get Price2016-12-1 · 310.509 1.8 mm Drill bit with depth mark, quick coupling 311.43 handle, with quick coupling, small 323.029 Threaded lcp Drill guide, 1.8 mm 323.035 1.8 mm Threaded Drill guide, short reduce the fracture using the preferred reduction technique. The reduction method will be fracture specific. 1.25 mm or 1.6 mm K-wires can be placed through the
Get PriceA mechanical coupling adapted for engagement using a key device. The coupling including first and second assemblies. The first assembly includes a latching body having a key hole, a coupling nut having an interior threaded portion and a toothed end portion, a receptacle body having an exterior threaded portion in constant threaded engagement with the interior threaded portion, and a first ...
Get PriceJunction Bar. When using a grout shank with a T or R type thread, Williams recommends the use of a Junction Bar to transition between the Grout Shank and the Geo-Drill Bar. Coming out the anchor end of the Junction Bar would either be a Geo-Drill Coupling or Coupling Adapter. All disengagement during drilling to add sections or move to another anchor location would be done from below the ...
Get Price2021-7-24 · Coupling elements of HYDROKOMP are made of stainless materials. This enables the elements to be used for all fluids and gases that are not aggressive. Special designs eg. for water steam or other media are available on request. HYDROKOMP offers coupling elements for two different operating modes depressurized coupling or pressurized coupling.
Get Price2021-7-27 · Using iron pipe with threaded fittings and ends, the 'trick' used is to put inline joints at B and D so the pipework can be taken apart. This is also done in real systems so that changes and repairs can be made easily. This is the type of connection, called an inline joint or coupling :
Get PriceClifford Matthews BSc (Hons), CEng, MBA, in Case Studies in Engineering Design, 1998. Design points. Coupling shafts are usually stepped so that larger diameter bearings can be used on the main body of the shaft. The slenderness ratio of the shaft is small (L/D< 4) which makes it stiff.The factor of safety of the shaft (approximately 4) is chosen to resist predominantly shear stress due to ...
Get Price2019-6-13 · CROSS-REFERENCE TO RELATED APPLICATIONS. This application is a 35 U.S.C. § 371 national stage application of PCT/GB2015/053409 filed Nov. 11, 2015, entitled “Downhole Motor, Drill String Provided with Such a Motor and Method of Releasing a Stuck Drill Bit Attached to Such a Motor,” which claims priority to U.K. application No. GB 1420119.8 filed Nov. 12, 2014, both of which are ...
Get PriceNormally tubing coupling OD maximum is 4 1/2”, as the tubing pipe is applied for the drilling activities (Inside the tubing is the sucker rod to drill/pump the oil), couplings type is more various and rigorous than casing, mostly used is thicken type upset coupling (Internal upset and external upset), for short is EUE coupling, it is the most ...
Get Price2021-6-22 · the 2.8 mm threaded drill guide into a threaded plate hole until seated. Note: To assure the locking screw seats itself fully into the threaded hole, the threaded drill guide must be used to ensure the proper drilling angle. Precaution: Do not bend the plate using the threaded drill guide because damage may occur to the plate threads and/or guide.
Get PriceThreaded coupling sleeve are made of high quality of alloy steels and CNC machining guarantee our reliable and consistent quality control of coupling sleeves.Both semi-bridge and full-bridge coupling sleeves are manufactured by us in different sizes as below:Thread sizes: R22, R25, R28, R32, R35, R38, T38, T45, T51; Product Name. coupling sleeve.
Get PriceJunction Bar. When using a grout shank with a T or R type thread, Williams recommends the use of a Junction Bar to transition between the Grout Shank and the Geo-Drill Bar. Coming out the anchor end of the Junction Bar would either be a Geo-Drill Coupling or Coupling Adapter. All disengagement during drilling to add sections or move to another anchor location would be done from below the ...
Get PriceCoupling sleeves. Other name is coupling, when using rock drills with male shank adapters and a conventional drifter rod, a coupling is required to join the adapter to the rod, ensuring the ends touch for efficient energy transmission. Coupling are also used to connect several rods to …
Get Price2019-12-7 · > Hand tighten threaded coupling nut. Step 2. Attach Curved Tube: > Connect Curved Tube by sliding into top pole section using the same method as described above. Be sure curved tube is locked into place by rotating section until button locks into sleeve. > Hand tighten threaded coupling nut. Step 3. Attach Right Angle Gear Assembly:
Get Price2021-6-22 · the 2.8 mm threaded drill guide into a threaded plate hole until seated. Note: To assure the locking screw seats itself fully into the threaded hole, the threaded drill guide must be used to ensure the proper drilling angle. Precaution: Do not bend the plate using the threaded drill guide because damage may occur to the plate threads and/or guide.
Get PriceThreaded Locking Methods for Secure Connections. Threaded connections, such as bolts and nuts, are used in a wide variety of applications, ranging from plastic toys to massive bridges. The one similarity that ties them together is that these connections need to stay together when we want them to, but also come apart when needed.
Get Price2021-7-24 · Coupling elements of HYDROKOMP are made of stainless materials. This enables the elements to be used for all fluids and gases that are not aggressive. Special designs eg. for water steam or other media are available on request. HYDROKOMP offers coupling elements for two different operating modes depressurized coupling or pressurized coupling.
Get Price2017-9-22 · 323.035* 1.8 mm Threaded Drill Guide, short The short 1.8 mm threaded drill guide can also be used in the distal locking holes. Use of the short threaded drill guide allows drill guides to be inserted in all four distal locking holes simultaneously. Drill for a 2.4 mm locking screw using the 1.8 mm drill bit, with a 1.8 mm threaded drill guide.
Get Price2015-3-11 · EP0235581A1 Coupling, especially for a diamond drill bit with a tube shaft and tube ... US4691430 Method and means for sealing electrical conductor rods ... US4688831 Threaded or push-type coupling :
Get Price2020-3-2 · Abstract: A drill bit assembly, of a type useful for forming a borehole in the earth, may comprise a chassis, separate from a drill bit, housed within a cavity of the drill bit. A drill string may be secured to the drill bit and retain the chassis within the cavity. This chassis may comprise two pairs of interfacing exchange surfaces, a first pair disposed between the chassis and the drill ...
Get Price2011-2-22 · As described above, applying a certain makeup torque is possible by adding a taper to the threaded area. - However, this method does not give the ability to apply the high torques required in HTHP wells. To such cases, the use of ashoulder is requiredA shoulder can be applied in two different ways, either by using a . pin to pin contact
Get PriceThe DYWI ® Drill Hollow Bar serves as a drill rod. It is fitted with a lost drill bit at the top that can be adapted to different soil conditions. After each single section of 1 to 6m, the subsequent bar is coupled to the previously installed segment. At the final stage of drilling, cement mortar is injected into the hollow core of the bar ...
Get Price【Using Method】Attach the tube side to your motor arbor or bench grinder shaft, fasten the hidden screw to make it fastness, use the 2pcs washers sandwich cinch the buffing/grinding wheels etc, then tighten the nut and start buffing work. ... Drill Arbor Adapter Mandrel for …
Get Price2016-5-22 · But anyway, threaded inserts are still threaded into the neck, so they're still just held in with threads. The only thing that's changed is now you have an extra layer of metal between the bolt and the neck. If the joint is built right in the first place, you can probably twist the head off the screw before the standard wood screw strips out of ...
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