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In
response to the increasing use of advanced two axis machining systems,
for the
direct lathing of contact lenses, Contour Fine Tooling has developed
a range of tools with conical or cylindrical clearance. These tools
are available with natural or synthetic single crystal diamond and
with the traditional solid shank or the Insert system Unlike established contact lens lathes that operate on the R theta principle, 2 axis lathes dictate that the diamond tool must have a radius with controlled waviness. The control software of the machine in conjunction with the tool radius form combine to generate the lens geometry. Any errors in the tool form will translate directly into the machined work piece. Evolved from the demanding requirements of the electro-optics manufacturing industries, controlled waviness contact lens tools offer an extremely high level of performance at an affordable price. |
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