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post and key mechanism for the Chadash clarinet contains 40 percent more pure copper than
commercially made instruments. The finish is platinum silver,
which is immune to acid corrosion. The
metal is composed of German nickel silver, which is a combination
of 40% Nickel, 35% Copper, 20% Zinc, and 5% Lead. This
combination is the traditional raw material for clarinet key making since
t machines well, maintains shaping integrity, and is pleasing to the touch when played.
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The part
of the key that connects the cup to the hinge and or
touch-piece is electro-eroded on a specialty EDM machine where
the dimensions are controlled to precision having been
programmed on a computer. |
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Those and the other components
of a key (being the touch piece, hinge, key cup,
spring hook are fitted together on the key soldering
jig. Chadash clarinet uses a different jig combination
for each one of the different keys on the clarinet in order to
allow for the different shapes and sizes of each hole. Once all those parts are
affixed in their correct order by soldering with silver, they
are ready for silver platinum plating, and/or cleaning and
polishing.
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| This
is a key soldering gig which holds the various parts of a key in the
correct positions and indexing ready to be silver soldered. |
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| Accessories
for the key soldering gig custom made to fit all the keys on the clarinet. |
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