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Line
Boring Tools
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Portable Line Boring Machine Equipment for easy concentric bore repair of holes on Backhoes, Dozers, Endloaders, Scrapper Hitches, Tractors, Excavators, machine frames, etc - using a standard magnetic drill press.
Lineas Maquinado en Espanol
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Customer photo shows our 72" boring bar reboring 4 holes in line on a large bucket. The mag drill is held by our weld-on safety base in case of power failure. Also notice the 2 just bored and sleeved holes above. |
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Q150
Line Boring System - with improved drill base adapter:
Made in
USA. The most economical equipment to rebore holes round and concentric
again. One year warranty against defects in American craftsmanship.The
Q150 setup includes everything you need for reboring most holes. It
is intended for repairing holes up to 8 inch diameter in heavy construction
equipment such as cranes, backhoes, endloaders, excavators and tractors
powered by your variable speed magnetic drill press with a 3/4 inch
drill chuck. It can also be used to rebore holes in machinery frames,
steel mill ladles, bridge support pivots, etc. Our 1.500" diameter
boring bars hold standard 1/2" square shank carbide lathe machine
cutting tools. Our adapter base bearing will hold the boring shaft
load to prevent overloading the bearings in your mag drill while also
clamping the magnetic drill in case of power failure. A jacking screw
is provided for positioning. Approved by Milwaukee Tool Company Engineers
for use with their drill. Our boring bars are made from chrome induction
hardened high tensile strength alloy steel to last forever. Without
a thick layer of chrome plating, your boring bar will need to be sanded
and/or oiled regularly to prevent rust. That is why we sell only chrome
plated boring shafts. No maintenance required. We also can supply
1.25 diameter and 1.75 diameter boring bars upon request. Scroll down
for more info.
VIDEOS:
Click to see a customer's VIDEO of our Q150-S Line Boring Machine
Click to see a 2nd customer's VIDEO of our Q150-L Line Boring Equipment
Click to see a 3rd customer's VIDEO of our Q150-E Portable Line Boring
Click to see a VIDEO of our Bore Welder mounted to the Q150
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Q88-E
Hole Boring Set: Click to see a video of the Q88 Portable Line Boring Equipment 7/8"
dia x 28.5" long Boring Bar -chrome induction hardened
and precision ground 100,000 PSI tensile strength alloy
steel. The chrome resists scoring to still fit the bearings
use after use. 1/4" cutting tool mounting holes are spaced
4" apart. 1/2" shank with 3 flats for driving with
drill chuck. |
| Q150 Line Boring Equipment: Choose from 3 different lengths of boring bars, 36" (915mm), 54" (1370mm) or 72 inch (1830mm) available in 5 different machine kits shown below. Our many optional tools are shown near bottom of this page. | |
| Q150-S
Line Boring Kit: $1995. Bores single holes or 2 holes in-line from 1.75 to 5.5 inches diameter spaced to about 20 inches apart.  Click to request more information Powered by your magnetic drill with 3/4" drill chuck. Optional Milwaukee Portable Magnetic Drill Press with chuck: $1595. (Variable speed, 11" stroke. See below) Optional Adaptor, large Cones & Bearing Plates to bore up to 8 inches diameter: $595. extra Optional Q88A 7/8" x 36" Boring Bar Kit for use with Q150 equipment. Bores holes 1" to 1.5" diameter: $750. Optional BOA-408-AMT Bore Welder: $6495. extra Optional Measuring Tools: for bore sizing and tool positioning - scroll down below for info and photos |
1.50"
dia x 36" long Boring Bar - made from highest quality chrome
induction hardened and precision ground 100,000 PSI tensile
strength alloy steel. The chrome resists burrs and scoring to
still fit the bearings use after use. Cutting Bit mounting holes
are spaced 5 inches apart. 3/4" shank with 3 flats for solid
gripping by your drill chuck. 1 Drill Base Adapter with built-in bearing - Important safety device to hold the magnetic drill press in case of power failure. The built-in bearing takes the load of the boring shaft to prevent overloading the internal drill press bearings. Includes mounting hole for BOA-408-AMT bore welder. 2 Self-aligning Bearings - the I.D. of the bearings have a perfect fit between bar and bearings, which insures holes can be bored to near zero TIR runout. 2 Bearing Plates and 4 Standoffs - 3/4 inch thick for easy weld on and vibration free machining. 2 Centering Cones - for quick concentric alignment of the boring bar and bearings in larger holes. 2 Centering Sleeves - for quick concentric alignment of the boring bar and bearings in smaller holes. 7 Bore Cutting Tools - 3 types of boring, 1 chamfering and 1 facing. Held in the boring shaft by heavy set screws. 1 Dial Caliper - Measures 0" to 8" with dial readout to .001" in/mm 1 Telescoping Bore Gage Set - To measure the diameter of your holes. 1 Wood case - with dolly wheels. |
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The standard Q150-L comes complete with everything you need except the mag drill:
1.50" dia x 54" long Boring Bar - made from highest quality
chrome hardened and precision ground 100,000 PSI tensile
strength alloy steel. The chrome resists burrs and scoring to
still fit the bearings use after use. Cutting Bit mounting holes
are spaced 5 inches apart. 3/4 diameter shank with 3 flats for
solid gripping by your mag drill chuck. SCROLL WAY DOWN TO SEE PHOTOS OF OPTIONS. Optional
Milwaukee Portable Magnetic Drill
Press with chuck: $1595. (see
below) |
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The standard Q150-XLS comes complete with everything you need except the mag drill:
1.50" dia x 72" long Boring Bar - made from highest quality
chrome hardened and precision ground 100,000 PSI tensile
strength alloy steel. The chrome resists burrs and scoring to
still fit the bearings use after use. Cutting Bit mounting holes
are spaced 5 inches apart. 3/4 diameter shank with 3 flats for
solid gripping by your mag drill chuck. SCROLL WAY DOWN TO SEE PHOTOS OF OPTIONS. Optional
Milwaukee Portable Magnetic Drill
Press with chuck: $1595. (see
below) |
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Q150-E5:
$4790.
Rebores holes in-line 1.75 to 5.5 inches (140mm) diameter. Q150-E5
comes with: SCROLL WAY DOWN TO SEE PHOTOS OF OPTIONS.
Optional BOA-408-AMT
Bore Welder Attachment: $6495.
extra |
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Customer photo showing how the bearing mounting plates are connected to standoffs that are tack welded in place. Notice the finished hole in the upper right. |
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Photo shows the Q150S with oversize adapter attached to a customers mag drill turning a rough torched hole into a finished 6 inch diameter hole. We have 18" long boring bars. |
Close up photo shows a finished 6 inch diameter hole that was also counterbored 1/16 deep by the Q150S. Hole was originally torch cut by customer and then bored out smooth. |
 Photo shows customer boring center pin holes. Notice he temporarily welded a plate in position to attach the drill press assembly. |
 Close up photo shows new center pins in newly bored holes. Line boring takes patience but with our tools its not rocket science. |
 Customer photo: Bore repair of center pin holes. |
 Photo shows customer reboring link arm holes. |
 Customer photo: ReBoring close to the ground. |
 Customer photo: Boring holes upside down! |
 Customer is reboring 1 inch holes on a snowplow attachment using the Q88A add-on option. |
 Customer is ReBoring holes on the end of a boom using an extended bearing plate on left side. |
 Even the old magnetic drill shown above can line bore using the Q150 equipment. |
 Very few jobs are too big for the Q150 shown under the red Milwaukee magnetic drill press. |
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Customer's photo shows typical assembly of line bore equipment with Milwaukee magnetic drill. A chain was used to lift magnetic drill press in position. He used 3 bearings to reduce vibration of boring bar. If you look closely, you can just barely see the cabide cutting bit sticking out of the shaft next to the hole on the left side. |
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 Customer's photo shows another typical assembly of our line boring machine setup with the 72 inch shaft and the Milwaukee magnetic drill press. |
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 Customer's multi-tasking photo shows how he set up the Q150 with Milwaukee magnetic drill to line bore from the right side and bore weld with the BOA-408-AMT from the left side. |
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BOA-408-AMT
Welding Package $6595.
This bore welder system is for fast smooth perfect spiral welding
in holes from 1.50" (32mm) to 8.0" (204mm) diameter. Connects
to your Wire Feed MIG Welder with free adapter. Does a perfect
spiral weld that is very easy to bore. |
Options
Available: Click to request more Bore Welder info be sent to you Click to see VIDEO of our Bore Welder on the Q150
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INSTRUCTIONS FOR USING OUR Q150 LINE BORE EQUIPMENT:
Clic
para ver las instrucciones lineas maquinado en espaρol
ALWAYS WEAR SAFETY GLASSES ! * ALWAYS KEEP HAIR, CLOTHING, HANDS AND
FINGERS CLEAR !
It helps
to have a 2nd person to assist with the setup, especially when centering
your boring bar.
This is intended for reboring pivot holes in heavy equipment such
as cranes, backhoes, end loaders, excavators and tractors powered
by your variable speed magnetic drill with a 3/4 inch capacity drill
chuck and a long drill press stroke. Our equipment can also be used
to rebore holes on machinery side frames, mounting flanges, printing
press frames, steel mill ladles, bridge pivots, etc.
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1) Using two holes to repair, insert one plastic alignment cone
(or metal sleeve for small holes or adjustable centering tools
for very worn holes) against the good side of each worn hole.
If using the line-up sleeves (for small holes), you can carefully
wrap tape concentrically around the outer diameter of each sleeve
for snug fit between the sleeve and the hole. It sounds strange
but tape works. If the holes are too worn to find any of the original
diameter to center the cone against, then you should use our optional
centering-measuring tool set to position the boring bar. 2) Slide the boring bar through each cone (or sleeve) and tighten the set screws in the cones. 3) Bolt a self-aligning flange bearing to a bearing backup plate using bolts and washers. 4) Slide one bearing & plate on one end of the boring bar and the drill base adapter (with built-in bearing) onto the other end. Screw 4.5" riser blocks to bearing plates and to drill adapter base. Determine where riser blocks can be tack welded to connect bearing plates to equipment to be line-bored. The 4.5" inch riser blocks also allow easy removal of alignment cone and access for cutting tool adjustment and measuring of the hole with the digital caliper (a flashlight helps to see). The 2" inch riser blocks can also be used vertically with the 4.5" inch risers if you need to get around a boss or a hydraulic line. One of the bearing plates is extra long in case you want to overhang a bearing at the end of what you are boring. 5) The optional BOA-408-AMT Bore Welder can screw into the drill base adapter or into the extra long bearing plate (instead of using the BOA-408 tack-weld bracket). 6) Tack weld all stand-offs to heavy equipment to be line bored using many small tack welds to avoid warping. 7) Undo set screws, slide boring bar out and remove the cones (or sleeves) from under the bearing plates. 8) Add more bearings where possible to prevent vibration during boring. We recommend one on each side of every hole you wish to bore (unless there are more than 2 holes). 9) It is often best not to tighten the hex bolts that hold bearings on the bearing mounting plates until after you weld the standoffs in place. Sometimes after welding all the bearings in place it may be necessary to loosen the bolts that hold the bearings to the plates (one bearing plate at a time) and tap the boring bar slightly because the welding process may create a tension that can reduce the free movement of the boring shaft through the bearings. The Adapter Base bearing position is permanent in order to protect your mag drill press spindle bearing. This is required by Milwaukee and Fein to avoid hurting your warranty. The Milwaukee Drill Motor has 2 mounting positions. 1 with the Drill Chuck close to the Magnetic Drill Base and 1 with the Drill Chuck farther from the base. You want the Drill Motor bolted in the position where the Drill Chuck is closer to the Drill Base. 10) Carefully position the magnetic drill in the adapter base using the jacking screw, and tighten the chuck of your magnetic drill onto the 3 flats of the shank of the boring bar while supporting the weight of the mag drill with the screws in the adapter base. It may be helpful to loosen and retighten the drill base swivel if your mag drill has it. |
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Be
careful not to bend the boring bar when installing the magnetic
drill press. |
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Replacement Cutting Tools:
Brazed AL8 carbide boring cutter 1/2" square: $12. Minimum order size is 10 cutters. We recommend C5 (or PC300) carbide for reboring steel plate and C2 carbide for reboring castings. Note: 1/2 inch = 12.5mm |
Chamfering cutter and Facing cutter not shown. |
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Optional
Q88A 7/8" x 29" Boring Bar Kit for use with Q150 equipment:
$750. |
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Optional Telescoping Bore Gage Set: $49. 6 piece Telescoping Gauge Set. Measures up to 6 inch (150mm) diameter holes. Use the knurled end to lock the setting, then measure accross the ends with the digital caliper included with your line boring equipment. Self-centering spring-loaded action with lock, satin chrome finish. Precision-machined hardened steel anvils with spherical tips; uniform contact pressure. Plunger expands in hole to be measured. Comes in plastic pouch for storage. Included FREE with new Q150 systems. |
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Optional Threaded Measuring and Centering Tool Set: $95. per set - fits thru the boring bar into the 1/2" square cutting tool ports. We include all the different lengths of threaded extensions with rounded ends you will need for holes 1.75" to 8". These tools are used to measure a hole thru the tool port in the boring bar. After gaging the hole you measure accross the threaded gauge rods with the digital caliper. These adjustable tools can also be used to position the boring bar inside a worn hole during setup. Very accurate to +/-.001". (More reliable than telescoping gauge set) |
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Optional Boring Bar mounted Snap Gauge Set to measure holes: $489. The most accurate, reliable and easy way to measure the holes but also our most expensive. These hole size measuring gauges fit inside the boring bar into the 1/2" square cutting tool ports. These tools are used to accurately measure the bored hole without removing the boring bar. Very accurate to within .001". |
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Optional Cutting Tool Positioner: $199. Easy way to accurately adjust your cutter height to within .001" on the radius. It also holds the cutter while you tighten the set screw. Clamps to the cutting tool and adjusts the position. Works for adjusting the cutter height for holes 2.25" diameter and larger. Can be left on the cutter while boring holes. Includes hex wrench for the set screw. We recommend this or the next one. |
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Optional
Cutting Tool Dial Indicator and magnetic
mounting bracket: $195. |
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Optional
Cutting Tool Micro-Adjuster: A very accurate way to adjust your cutter height. Clamps to the carbide carbide cutting tool shank and very accurately adjusts the position. Can be used on either end of the cutter. Works for setting the cutter for boring holes 2.5" diameter and larger. Extremely accurate to within less than .001". Unfortunately you have to always remove it after each use before boring. |
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Optional
Precision Dial Indicator Bore Gage: $89. |
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Optional 8 inch Capacity Boring Adapter Kit: $595.
Cutting Tool Adaptor Collar mounts on Q150 boring shaft as
shown in the photo to hold the cutter out far enough to rebore
holes up to 8 inch diameter. |
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Optional
Honing Tool: $87. |
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Optional Facing-Sanding Tool: $194. Use to sand and face the damaged boss around a hole and make it like new again. The set includes an 8 inch diameter aluminum sanding disc that screws into our Q150 boring shaft and is designed to spin at 350 RPM. This kit also includes 6 adhesive coarse sanding discs for metal removal and 3 adhesive medium sanding discs for metal finishing. You can add an 8 inch capacity bearing mounting plate if needed for only $25 extra. |
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Optional Universal Joint for Mis-alignment: $695. Use to compensate for misalignment of the Boring Shaft and the Magnetic Drill Press. Comes with Adapter Shaft (shown in photo) to connect the Universal Joint Coupling to your 3/4 inch Drill Press Chuck. This is not needed for most line boring jobs. |
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Custom made Tools for Cutting I.D. Retaining Ring Grooves: $395. - this kit is custom made to order and comes with a spring, 2 set screw tool positioning collars and 2 extra long cobalt steel cutters ground to match the width of your inside retaining ring groove. A crude but low cost way to machine a retaining ring groove. |
NO
PHOTO AVAILABLE
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Milwaukee
Magnetic Drill Press with 3/4 inch chuck to fit the shank of
our line boring shaft:
Approved by Milwaukee Tool Company engineers for use with the
Q150 line boring Adapter Base.
Uses 120 volts electricity (see below for optional $219 transformer if your country has 220 volts) Powerful 12.5 Amp motor Swivel-lock Adjustable Positioning Base 9 inch stroke, 11 total stroke if stops are removed Variable Speed controlled by a knob Feedback Speed Control Computer Controlled Reverse is variable speed Solid State Electronic Switching Full Wave Holding Power Superior Cutting Tool Performance Line Lock-Out: Prevents tool from operating should voltage be restored to an interrupted line when switch is locked in the "on" position. Motor/Magnet Interlock Base/Chip De-Mag Soft-Start Weight: 65 Lbs. We normally have it in stock |
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Voltage Transformer/Regulator: $219.Fully automatic servo motor-type A.C. voltage transformer and regulator, 3000 watts. It will convert your 220-240 volts 1 phase electricity to 110-120 volts to use the Milwaukee magnetic drill press in countries where 120 volts is not available. Not to be used on American 220-240 Volts. This voltage regulator will stabilize a voltage fluctuation between 50v-130v or 160v-245v (+/- 4%). Weight 26 Lbs. (12 kg) |
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AL8
Cobalt
Borite
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