Mar′blesaw′ing Machine′.
A machine in which the saws are reciprocated by mechanical means.
In
[
1393]
the example (
Fig. 3060) the saw is operated by pitmans and eccentrics.
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Marble-saw. |
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Marble-sawing machine. |
Fig. 3061 is a plan view of a machine in which the saws may be adjusted to saw a block into pyramidal forms.
Guide-blocks, provided with rollers over which the belts pass, are secured within slots on each side of the saw-frame, by which the saws are adjusted to operate at various angles and at different distances from each other.
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Marble-saw for Curred forms. |
Fig. 3062 is a machine in which the block is adjusted on centers and rotated against the saw, so as to cut the block into a cylinder or a conical frustum.
The rod or wire saw has a triangular crosssection.
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Marble-scourer. |