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Frequently Asked
Questions
Are Iron Systems
More Rigid Than Aluminum / Steel Systems?
While the material properties
of iron are stronger than aluminum, Parlec has designed
a system using a combination of aluminum and steel that
is actually more rigid. We did extensive testing on
our tombstones to measure deflection under load and
the Parlec unit beat cast iron units by more than 50
percent less deflection.
What
Are The Advantages Of Hard Coat Anodizing & Nickel
Plating On The Parlec Systems?
We have engineered our aluminum and steel vises
to outperform our cast iron competitors. Aluminum components
are treated with either a hard coat anodizing or hard
coat anodizing with teflon impregnation and steel components
are finished with a nickel coating.
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Hardcoat
Anodizing – This is an electrolytic oxidation
process performed on aluminum that produces a hard,
durable, non-peeling surface that under normal conditions
will never wear through. Anodizing is considered
resistant to corrosion and abrasion, resulting in
a surface hardness up to 60-RC. |
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Hardcoat
Anodizing with Teflon Impregnation –
Is a similar process that incorporates Teflon into
the aluminum adding natural lubrication for moving
parts. |
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Nickel
Plating – This is a uniform plating process
that results in surface hardness up to 70-RC and
provides excellent protection against corrosion
and abrasion resistance. This process also provides
lubrication to allow metals to slide against each
other without causing adverse wear on either component. |
Does
The Weight Of A Vise Really Matter?
Yes. Because CNC machines have a table load of
approximately 1,000 lbs. on a 400mm system, a cast iron
system has up to 60 percent of its load in the clamping
device. By switching to a composite system, one can
reduce this load to less than 30 percent of the capacity,
and decrease the wear on the CNC machine. Customers
who use our system report that there are less maintenance
issues on the pallet system compared to using cast iron
systems. In addition, customers have experienced fewer
injuries and less operator fatigue caused by moving
our systems around compared to iron systems.
What
Should I do Before Storing A Vise For Extended Periods
of Time?
Parlec recommends that you clean the vise of
any chip and coolant prior to storage. Also recommended
but not required, is spraying the internal components
with lubrication.
How
Often Do I Need To Maintenance My Vise?
This answer depends upon the application. Due
to the variety of metals being cut and the conditions
inside a shop or machine we recommend that you initially
monitor the status of your vises and determine what
intervals are required. Grease should be applied to
all exposed moving components during the maintenance
of the vise.
Why
A Double Station Vise Over A Single Station Vise?
In order to compete on a global scale, shops
must be as efficient as possible. By using multiple
vises with double station jaws, your efficiency will
be increased over machining on a single station vise.
Allowing your machine to make a tool change and machine
multiple parts at once saves the time of constantly
traveling back to the tool changer to switch tools for
each part. Most production jobs use a large number of
tools, adding up to a significant savings in machine
time over the course of a day.
Do
Iron Systems Dampen Vibration Better Than Aluminum /
Steel Systems?
Our testing shows that in a typical machining
operation the difference in vibration results in about
0.000030” in increased chatter over a cast iron
system. This amount is very minor in comparison to the
benefits that our system offers.
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