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About Us
AN UNWAVERING COMMITMENT
TO CONSISTENT QUALITY
 The
use of a tungsten carbide wheel remains the fastest and most
economical method for "cutting" glass, although the term
"cutting" is actually a misnomer. In this process, the wheel
is actually used to score (produce a vent in) the glass. The
vent introduces stresses that allow propagation of a break
having desired breakout and edge quality characteristics.
Success is dependent on the ability to maintain accurate and
consistent control throughout the entire process. The
pressure applied to the wheel, and thus the glass, must be
precisely controlled. The angle and the diameter of the
wheel must be tuned to the method of application, the
pressure, and the type and thickness of the glass. The
surface texture (grind) of the wheel should permit skip free
operation but not be so coarse as to adversely affect edge
quality or wheel life. Also, it is crucial that the wheel
and cutter system track smoothly. Each component of the
system must be held to very tightly controlled tolerances in
order to achieve the best and most predictable and
reproducible results.
MacInnes Tool Corporation offers wheels in over fifty
stocked configurations to meet the needs of your
application. MacInnes
PRO-SCORE® wheels are manufactured
from specially formulated micrograin tungsten carbide. A
secret of the wheel's success lies in the unique finish of
our cutting edge which only our own technicians and
machinery have been able to produce. The combined
formulation and tip finish result in a wheel that makes a
clean light cut and has a very long life. Our wheels are
manufactured holding each dimension to exacting tolerances;
our wheel angles are precisely controlled using state of the
art microscopy and video gauging systems. Finally, each and
every wheel is mounted and inspected by scoring on glass to
assure trouble-free
application in your process.
 Optimizing the cutting performance for a specific process
often requires some experimentation to determine the best
wheel configuration. Our Product Specialists will be pleased
to assist you in choosing the right wheel for your job.
Please also refer to our
"Technical Guide for
Glass Cutting" for additional information.
Mounting the wheel on a machine or cutting device requires
the same attention to exacting tolerances and detail. For
this reason, MacInnes Tool Corporation has developed the
MACTO™ line of
Wheel Mounts with precision Quick Change
Inserts and longwearing tungsten
carbide axles. Our
Technicians are ready to assist you in selecting from our
extensive line of pillar posts and units and to develop
custom holders as needed to meet your exacting requirements.
MacInnes Tool Corporation offers its products and customer
service with performance, reliability and quality assurance
that are unequaled in the industry. We ask you to try us and
compare for yourself. We are confident that you will be
pleased with the results. Insure success with
PRO-SCORE®
wheels and MACTO™ holders and replacement parts.
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