| Sabre Drive Train Technology |
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Lead Screw vs. Rack & Pinion - Key Competitive
Difference |
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A significant attribute which clearly
distinguishes the Sabre from its competitors is
the Sabre's drive train. Gerber uses a lead
screw drive system compared to the more commonly
used, and less expensive, rack and pinion
configurations found on most competitive
machines. |
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Gerber's Lead Screw Design |
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Built
for Precision, Speed, Reliability and Longevity
- Protected from flying debris
- Teflon®-Coated Lead Screws
- Anti-Backlash nuts take up backlash
automatically
- Requires no lubrication
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| Anti-Backlash |
| When referring to the accuracy of a router,
or any multi-directional positioning system, the
word “backlash” is synonymous with the layman’s
term, “slop”. Backlash causes the slop
associated with directional changes of the
router and translates into poor edge quality,
inconsistent start/end positions, inaccurate
depth control, repeatability problems and other
accuracy related issues. |
| The Sabre’s lead screw drive incorporates a
patented anti-backlash system which
automatically takes up and compensates for
backlash which may develop due to the wearing of
the lead screw and/or lead screw nut. |
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| Aluminum Construction vs. Steel
Construction |
| Unlike steel, aluminum can be molded, cast
and extruded into virtually any shape. This
provides our design engineers more flexibility
in designing a machine which will incorporate
all of the various design elements critical to
the machines specific application. |
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Custom Extrusions |
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Engineered for Solid Construction
- Designed for stiffness and rigidity
- Custom designed "not off the shelf items"
- Light weight reduces stress on moving
components
- Designed for easy field service
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The Gerber engineers are able to design
components which are much stiffer, yet lighter
in weight, than that of our competitors. A
perfect example of this is the Tie Beam which is
attached to the left and right beam support
castings of the Sabre 404 and 408. This extruded
aluminum component, located beneath the table,
drives the main beam in the "Y" axis. Its
stiffness is vital in order to maintain the
system’s accuracy. The structural cross section
used throughout the length of this component
cannot easily be reproduced using steel. And,
even if it could be, it would add unnecessary
weight to the component, thereby increasing
stress on the motors which drive the beam. |
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