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ken hortman
01-23-2005 17:58:19
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cronatron 333 will remove it in reply to Big Jim, 01-17-2005 22:44:35
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TECHNICAL INFORMATION
CRONATRON WELDING SYSTEMS, INC.
STUD PULLING PROCEDURE
Cronatron Welding Systems� ongoing Research and Technology is constantly providing new, innovative labor and cost
saving products and procedures. Cronaweld 333 was developed as the �ALL IN ONE� ALLOY, providing high strength,
crack free welds on all types and combinations of steel. With its instant arc and spatter free flux coating, Cronaweld 333 is
also the ideal choice for removing broken bolts, studs, pins, easy-outs, taps and drill bits. Cronaweld 333 eliminates the
requirements for inventory of special �stud pulling electrodes�, left turn drill bits and turn outs.
ELECTRODE:
Cronaweld 333 (Cronaweld Eagle 3330 can also be used
for the Stud Pulling Procedure and may be preferred for
out of position work).
DIAMETER/AMPERAGE SELECTION:
The following chart provides technical information to
insure successful stud pulling techniques.
AMPERAGE SETTING:
Due to variations in welding power supplies, set-ups etc.,
a test of the amperage setting should be done on a piece
of scrap steel. Set the welding power supply for the
amperage given on the chart, then adjust the amperage
control as necessary to assure a stable arc while maintain-ing
a very short arc length.
PRE-WELD PREPARATION:
The ground cable should be firmly attached to the work-piece.
Position the workpiece in secure and stable man-ner.
It is preferable to position the work piece so that
welding will be done in the flat position with the elec-trode
held vertical. The welder should insure that a com-fortable
and balanced position can be maintained during
the procedure.
STUD PULLING TECHNICAL INFORMATION
CONFIDENTIAL MATERIAL, REPRODUCTION, IN WHOLE OR IN PART, PROHIBITED Printed in U. S. A. (Rev. 4/ 98)
DIA. OF BROKEN
COMPONENT
(INCHES)
under 1/4
1/4 - 3/8
3/8 - 3/4
3/4 - 2
over 2
ELECTRODE
DIAMETER
(INCHES)
1/16
3/32
1/8
5/32
3/16
RECOMMENDED
AMPERAGE
(AC or DCRP)
25-45
40-75
70-110
110-150
150-200
TO BE READY AT A MOMENTS NOTICE,
TO REMOVE ANY SIZE BROKEN BOLT,
STUD, ETC. CRONATRON HAS
PREPARED A SPECIAL KIT WITH
ALL REQUIRED MATERIALS,
AND INSTRUCTIONS.
ORDER KIT CW3030.
(Continued Over)
WE 17.1 Corporate, Research & Distribution Hdqrs: 6510 Northpark Blvd. Charlotte, NC 28216-2367/ 800-843-0763/ www.cronatronwelding.com
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