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OPERATION
OPERATION
#415-R1
8-15-18 - JR
Arbor Optimization
One of the most important factors in maximizing yield (or value) when running a gang rip
saw is properly conguring the saw spacing on the arbor. Given that there can be as many
as 39 million ways to arrange a particular arbor, this can be a daunting task for a human. A
computer, however, can quickly evaluate and optimize these arbors. Built into the Opti-Rip
software is a powerful arbor optimization program that can result in dramatic yield increases
when used properly.
This arbor optimizer can be run either on the Opti-Rip itself or on a desktop computer using
the simulation software provided. It is often best to take some time running the software on
a desktop machine in order to educate yourself about arbor optimization.
In order for the computer to optimize the arbor, it must be given some pieces of information:
Desired Rip Widths
Rip Values or Required Quantities
Saw Kerf
Arbor Length
Lumber Size Range
Maximum Number of Saws
Given the above information, the Opti-Rip arbor optimizer operates in two basic modes as
determined the setting of the “Rip For Req’d” eld. In the rst mode (when Rip For Req’d is
unchecked), the Opti-Rip optimizes an arbor for yield or value given the desired rip widths.
When the values are all set to the same number, yield is maximized.
In the second mode (when Rip For Req’d is checked), the optimizer congures an arbor
that will produce approximately the required number (or lineal feet) of each rip, while at the
same time maximizing the yield. When in this second mode, rip values are ignored and are
automatically adjusted by Opti-Rip as the batch of lumber is processed.
Keep in mind that as you put more constraints on the process, you will usually decrease
the overall yield. If you set values to something other than all equal values or if you rip for
required amounts, you will likely get slightly lower yields than if you rip strictly for yield (all
values equal and Rip For Req’d unchecked).
To optimize an arbor, rst edit a setup as described earlier in this manual. If you only want
four different rip widths on the arbor, set the number of rip widths to four so that you have
to enter the minimum amount of information. Be sure to enter the saw kerf. Next, ll in the
rip widths and their values. When ripping strictly for yield, you can enter 1000 for all values.
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