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December 2020 #12257 Page #10
Sixty Years of Machines Part XIII:
What’s Next in Truss Assembly Joe Kannapell Senior VP, MiTek USA
ven with laser projection and auto-jigging, assembly can still be expedited by good material handling and plating. The former can be optimized at reasonable expense, while to improve the latter will require a substantial investment. To calculate the potential impact, we can use data recorded in the benchmark testing (discussed in Part X and Part XII). Though we didn’t measure the time to move materials to the table, we learned a lot about the assembly process.
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Keeping materials stocked behind truss builders is essential but preparing them properly is equally important. Cut parts should be clearly marked, stacked “last-in first out”, and supplied at table height. If saw capacity is adequate, truss parts may be grouped separately for each individual truss to further lessen material handling. They may also be divided between the left side and right side of the truss to shorten the path to the table. Truss plates should be prepicked and ideally separated as illustrated by Maple Ridge Truss in Part XII of this series. The goal is to minimize “touches” of materials. Further opportunities will be discussed in the upcoming series on cutting machinery.
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