Pilot coupon retaining bit
Contents:
Reed CRPD25 1/4" Carbide Tipped Coupon Retaining Drill Bit
Call us today! This machine uses solid drill bits for performing the hot tap under pressure for branch connections of up to psi D. This package can be upgraded at any time to perform up to 6" hot taps. WT machine is rated for: SALE Total: This package can be upgraded at any time to perform up to 4" Total: Design eliminates any twisting or flexing under extreme hot taps. Allows the user to install the drive motor 4 different directions depending on the space or location of the hot tap!
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Different length Quad rails give the machine the ability to perform hot taps in tight locations. More Information. Can be used on Gas,water,steam and many other severe duty applications!
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Air and electric drives available. Extra High temp packing and parts in stock! F PSI Total: These items are Installed on this line of Power Units. This hydraulic power pack is the perfect unit for our line of smaller 3"" hydraulic tapping machines Add a wheel package and make it a portable unit!
P Honda heavy duty series 15 GPM psi. This model power pack is used for our medium sized hot tapping machines 4"".
Many different GPM and Pressure ratings available, please call and we can customize any power pack to fit your needs. This hydraulic power pack is perfect for indoor hot tapping or other applications. Pair this up with our 3"" hydraulic tapping machine and tap anywhere indoors! Can be made with a skid type of mounting paltform or a custom cage for crane lifting. Download Catalog.
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RIDGID PILOT COUPON RETAINING BIT 1/4
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- Product Specifications.
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To Email: Referring again to FIGS. The body 34 includes seals on its inner diameter, which may be o-rings or other appropriate rotating seals, so that shaft 36 may be positioned through and sealed with respect to the body 34 as shown.
Hole saw 44 is screwed onto one of threaded regions 40 and 42 on the end of shaft 36 , and pilot drill 46 is locked into the end of the shaft 36 by set screw 50 acting against the flat 48 along that end of the pilot drill. With the assembly in place and the ball valve open, the operator, shown in FIG.
Reed CRPD25 DRILL BIT 1/4in w/Coupon Retainer - Jim & Slims Tool Supply
The operation of the pilot drill 46 is illustrated in FIGS. The pilot drill 46 will penetrate the wall of the main 24 before the hole saw 44 does.
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- Product Details.
- Pilot Drills, Drill Shafts, Spaid Insert Tips, Pilot Drill Tips.
- RIDGID Pilot Drill, 3/8 Coupon Retaining;
- Покупки по категориям.
This has the advantage of first providing a limited area for fluid communication between the pressurized fluid in the main 24 and the internal volume of the SIMTAP and ball valve assembly, allowing pressures to equalize before the hole saw completes the cutting of the larger hole in the main When the pilot drill 46 penetrates the main 24 , centrifugal force on side regions 60 of the wire through the end of the pilot drill 46 causes the wire ends to sling outward as shown in FIGS. In this position, coupon 62 , once cut free of the main 24 , cannot fall into the main, as it cannot slide past the side regions 60 of wire 58 , the wire being limited in further rotation by abutment with ends 56 FIG.
In the preferred embodiment, the hardened inserts form the stop. Consequently, coupon 62 is positively retained with respect to the pilot drill 46 and will always be removed from the main 24 and retracted through the ball valve as shaft 36 is withdrawn to its outermost position. In that regard, while the hand drill can be left running during this withdrawal, it has been found that the coupon is always retained, even if the hand drill is shut off during the withdrawal, thereby preventing the coupon from falling into the main 24 , or for that matter into the ball valve, which would also cause problems.
The preferred embodiment of the present invention has been disclosed and described with respect to its use with respect to a SIMTAP drilling machine for hot tapping mains, though the pilot drill of the present invention may be readily used with other hot tapping machines, or in other drilling apparatus or other applications where coupon retention is preferred or required, as desired.
Similarly, the coupon retention mechanism may take other forms than the simple bent wire of the preferred embodiment. By way of example, in place of the relatively rigid wire member 58 of the preferred embodiment, some form of spring actuated member or members could be used which would elastically fit within the hole formed by the pilot drill 46 , though spring outward once through the hole to prevent the coupon 62 from falling off the end of the pilot drill For instance, wire member 58 may readily be sized to provide such a spring action by its own elasticity, the same being dimensioned so as to have a free state distance between tips of side regions 60 intentionally greater than the diameter of the hole drilled by the pilot drill These and other positive coupon retainers, either operative by gravity or centrifugal force, or spring loaded, are within the present invention, though the simple, relatively rigid wire of the preferred embodiment is in fact preferred because of its simplicity, its ruggedness and because it has been found to positively retain the coupon each and every time.
Similarly, a conventional drill, such as a tool steel drill without carbide inserts could be used as desired, particularly for drilling into plastic mains. Thus while various embodiments of the present invention have been described herein, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention. Owner name: Free format text: Effective date: Year of fee payment: