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Log Entries for Ribs

Log Entry Date: Jan 11, 2012


Find something to use as a bushing for drilling holes in rib metal
Before you can route the rough cut aluminum you have to drill holes in it so it can be sandwiched between the two form blocks. Since you're drilling so many holes and using the form block as a guide, the hole you're drilling through in the form block gets pretty ugly unless there's some kind of bushing inserted into the hole. Found a 1/4" spring steel tension pin that I think will work perfectly for this.

UPDATE - don't bother with the bushing. See the entry for punching ribs in a couple of days.
1/4" x 2" spring steel tension pin with 3/16 drill bit through it.

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