Day 6 The back
Today the back plates are marked and sawn out and the rough arching of the back is done. The plates of maple wood have already been flattened and jointed.
Violin maker Derek Roberts marks the outline of the rib structure (completed in the previous stage onto the plates. First the line of the ribs is followed. Then Derek uses a washer to mark a second line outside the ribs. This is the outline of the plates, as they must overhang the ribs. The inner line will be used to position the ribs exactly on the plates.
Derek uses a bow saw to saw round the outer line.
The roughly sawn back emerges from the plates.
A marking gauge is used to mark the edge thickness of the back, and a knife to trim the roughly sawn edge down to the marked lines.
The rough arching of the back is done with a large gouge. A skilled maker works quickly, removing large amounts of wood with each sweep of the tool.
The back is held in a holding jig while Derek works on it. The same jig will be used to hold the front when that is rough arched.
This is an exciting and dynamic stage of the making. The glorious curves of a violin back take shape very rapidly under the gouge.
The marks of the gouge remain to be smoothed off in a later stage.
Now that the rough arching is complete, the final outline and the corners are worked with a file.
|In the next stage, Derek will mark and saw out the front plates, complete the rough arching and begin the final arching.|
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All material on this site copyright Derek Roberts, Leamington Spa 1999, 2000, 2001, 2014