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CHROME STEEL BALL 0.125", 3.175 mm, 1/8" Grd:10
CHROME STEEL BALL 0.125", 3.175 mm, 1/8" Grd:10
$7.5000
VEE BLOCK, 0.750" ( 3/4" ), CYLINDRICAL POST MOUNTED
[VB-75-CPM]
 $46.0000 

THIS KINEMATIC VEE BLOCK COMPONENT (ALSO KNOWN AS CYLINDRICAL BOSS MOUNTED VEE BLOCK ) IS DESIGNED FOR BOTH HIGH LOAD CARRYING CAPACITY AND EASY INSTALLATION. BECAUSE THE CONTACT AREA BETWEEN A SPHERE AND THE PRECISION GROUND FLAT SURFACES OF THE VEE BLOCK IS GREATER THAN THAT BETWEEN A SPHERE AND TWO CYLINDERS, THIS VEE BLOCK HAS A MUCH HIGHER LOAD CARRYING CAPACITY.

PRECISE LOCATION OF THIS COMPONENT IS ACHIEVED THROUGH A PRECISION GROUND CYLINDRICAL POST. THE FLANGE ADJACENT TO THE CYLINDER IS ALSO GROUND FLAT.

THIS DESIGN FACILITATES THE ACCURATE INSTALLATION OF THIS COMPONENT WITHOUT THE USE OF PRECISION MACHINE TOOLS. THE DESIRED MOUNTING IS SIMPLY SCRIBED ON THE SURFACE OF ONE OF THE KINEMATIC OR TOOLING PLATFORMS WITH A COMPASS. THIS CIRCLE IS THEN DIVIDED INTO THREE EQUAL CORDS AND THE INTERSECTIONS ARE CENTER PUNCHED. THE TOP AND BOTTOM PLATFORMS ARE CLAMPED TOGETHER. THREE HOLES ARE THEN DRILLED AND REAMED, THROUGH BOTH OF THE PLATFORMS. THIS CAN BE DONE ON A DRILL PRESS OR EVEN WITH A HAND DRILL. WITH THE THREE .500 INCH ( 12.7MM ) DIAMETER HOLES NOW DRILLED THROUGH BOTH PLATFORMS THREE OF THE CYLINDRICAL POST MOUNTED VEE BLOCKS CAN BE MOUNTED ON ONE PLATFORM, AND THREE OF THE PART NUMBER 75 B-T BALLS CAN BE MOUNTED ON THE OTHER TO FORM A PERFECT KINEMATIC SYSTEM.

THESE VEE BLOCKS ARE MADE OF VERY FINE GRAINED HIGH CHROME, HIGH CARBON, STAINLESS STEEL THAT IS HARDENED TO 58 RC AND ULTRA COLD CYCLED FOR LONG TERM DIMENSIONAL STABILITY.

THE 90 DEGREE PRECISION GROUND FACES OF THE VEE BLOCK ARE TANGENT TO ANY BALL DIAMETER FROM 5/8"(0.625 INCH, 15.87MM) TO 1.00 INCH (25.4 MM), WITH THE IDEAL SIZE BEING 3/4" (0.750 INCH, 19.05MM).

TO ORIENT THE VEE AND TO PREVENT ANY ROTATION, THERE IS ONE 0.093 INCH (2.3622 MM) DIAMETER DOWEL PIN HOLE MACHINED THROUGH THE OUTSIDE EDGE OF THE FLANGE.

THESE VEE BLOCKS CAN BE HELD IN PLACE FROM EITHER THE FRONT OR THE REAR. THEY CAN BE SOLIDLY BOLTED DOWN FROM THE FRONT SURFACE BY A #10 HEXAGON SOCKET HEAD CAP SCREW. THE HEAD OF THIS CAP-SCREW IS RECESSED IN A COUNTER-BORE TO AVOID CONTACT WITH THE BALL. FOR BACK SURFACE INSTALLATION, USE A #1/4-20 HEXAGON SOCKET HEAD CAP SCREW. THE VEE CAN ALSO BE PULLED DOWN FROM BEHIND BY A 1/4 INCH-20 BOLT SCREWED INTO THE THREADED HOLE IN THE CENTER OF THE CYLINDRICAL POST.

For more information, please visit this products webpage.
This product was added to our catalog on Thursday 29 May, 2008.
Quantity (Total Balls):
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