joining rail sections

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joining rail sections

Postby loyd » Sat Oct 19, 2019 6:54 pm

One of the rail sections is about 3 feet and the other 4 feet long. The joint is at an angle of 18.5 degrees. So the joint needs reinforcement. A standard #0 biscuit is too long so the slots were cut using a 1/8" slot cutter.
rail end.jpg

The biscuits were made from 1/8" plywood and shaped on a disk sanding wheel on the lathe so speed can be controlled.
making biscuits.JPG

The joint requires the biscuits [as splines] in each side of the the rail. Epoxy is used to coat the end of the rail sections and fill the biscuit slots.
joint.JPG

There is no outward pressure on the joint so holding it closed can be done by clamping the sections to the table. In this case the table is a 3/4" thick MDF 3 x 4 foot sheet clamped on two I-beams to form a dead flat surface.
joint holding.jpg
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Re: joining rail sections

Postby sid_matheny » Mon Oct 21, 2019 10:47 am

Looks good and looks like a lot of work Loyd. Does it go on the rail you showed in the other post?
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Re: joining rail sections

Postby loyd » Mon Oct 21, 2019 2:35 pm

Yep! That's the place. UTSI Auditorium stage.
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