Page 41 - Glass Machinery Plants & Accessories no. 4/2018

Olivotto Glass Technologies

OGT has been working in the hollow glass sector since 1946, when it
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OGT: The first of these two high- minute – glasses and vases –
speed lines is for pressed glass – a with sizes ranging from 50mm
GDS 48/9 H4 – working with up to 350mm in height, with
four gobs, fed by two double gob max diameter of 150mm. In
electronic feeders with independent these days they are working on
plungers for higher control of each vases of 200mm at 40 items per
single gob and parallel shears. minute.
The line has a last-generation This second high-speed
OGT press driving system with a machine uses new technology
super-torque motor that enables – especially with regards to the
to have super-fast movement and motor, where the movements
lower index time, equipped with are no longer pneumatic and
servo-pumps hydraulic pressing are much faster and more pre-
units that guarantee lower energy cise, especially with regards to
consumption and higher energy the glass centring into blank
savings. Last but not least, mould, and its movement to the
there is a fire polishing machine pressing position. Obviously,
equipped with movable burners this leads to higher quality of
that also guarantee savings on the the finished items.
consumption of gas and oxygen. We are actually discussing the
This line can – depending on possibility of another line to be
article size and weight – produce installed in the near future …
up to 200 items per minute –
glasses for example. GMP&A: What about the other
The production at this glass- two factories? What kind of pro-
works is mainly glasses and can- duction do they use?
dle holders. OGT: The Radom factory is
The second high-speed we focussed on pressed glass, while
have installed is a O.90/18 SS the other manual-production unit
press and blow line with 18 makes a ‘bit of everything’! They
sections, all with servo motors, are, however, thinking about
producing up to 100 items per changing the production in this

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