By: Stephen Lauer
All
buildings use different methods of joining elements together that range from
disassemble-able connections like bolted connections or Japanese wood joinery
to permanent welded connections for steel. For centuries Japanese carpenters
have been building with nothing but wood and extremely intricate joints. As a
part of the Arc 532 – Global Traditions course I undertook the task of
constructing a type of mortise and tenon joint that the Japanese use to join
beams together. When I found this joint I felt that it would not be difficult
to construct and after finishing it I would say that it is somewhat difficult
to build just because everything has to fit together. To build this joint I
used a table saw, router, jigsaw, chisels, and a file.
The first decision I
made was to make the joint as a series of 4 components in order to lower the
difficulty and build time required. From here we decided to draw out each of
the cuts and grooves onto the components so that we understood what to cut away
and what to leave. Next we began to cut away the pieces to create the box
joints and lap joints required to fit the pieces tightly together. Minor
chiseling was required to clean up the grooves and square up corners to allow
for the joints to fit cleanly together.
The final step of cutting was to router
away the back side of 2 of the components to create a large lap joint to allow
the pieces from coming apart horizontally while the box joint locks it
vertically. Once the routing was done we did a quick test fit to make sure the
joints work together before gluing the components together to get the 2
finalized components. Once the glue had setup and was dry we pieced the joint
together and it fit extremely tight making the joint extremely strong and
durable. When we were building this I realized that this entire process would
be much easier if I had done all of the cutting on the CNC router making the
process not as much of a learning experience but instead in the end taking much
less time and making the cuts much more precise.
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