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Sawing and Bevelling of Rims |
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Application: |
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The sawing and grinding unit has been designed for three kinds of applications.
First: for removing (sawing-off) the waste glass and grinding the bottom (grinding of planar surfaces)
of glass items produced by injection pressing before they are acid-polished;
Second: for removing (sawing-off) the top or cap of thick-walled blown glass items and grinding and
bevelling the rim.
Third: a special sawing unit allows to process pressed picture frames by grinding slots to hold
photographs. |
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Mode of operation: |
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The glass item is loaded onto the rotating table in the loading station, is held by a mechanical gripper and is moved through the different functional stations. In the sawing station, the waste glass of the
rotating glass item is cut off by a rotating grinding disc. In the following grinding stations a vertical
movement of the holding device controls the contact of the glass item with the grinding disc and the
planar bottom is ground. |
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Surface Grinding and Mechanical Polishing of Planar Surfaces |
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Application: |
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Planar surfaces (i.e. of lenses) are ground on different stations, achieving a higher surface finish with every step. In a separate processing cycle based on the same processing principle, the planar surface
may be mechanically polished so that no acid polishing is required. |
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Mode of operation: |
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The roundtable is equipped with vacuum article holders. A vertical movement of the article holder
controls the contact between the glass item and the grinding disc. The glass item is moved on
to the next station so that the planar surface of the glass item is ground or polished on different
grinding stations. The grinding stations are equipped with different grinding discs � rough grinding
and fine grinding in various degrees. The glass item is then transferred into a second cycle, where it is
mechanically polished in various degrees. |
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Decoration Grinding |
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Application: |
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Based on highly flexible servo-motor systems, the MMC-software allows to perform all movements
for decoration grinding. Since all movement axes (including lines, diagonals and spirals) may be
performed, the system proves highly flexible for any cutting design. |
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