Машины лесного и строительно-дорожного комплекса. Шпакович И.Н - 8 стр.

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8
saw machinery production, foundation costs, table feed, feed speed, power re-
quirements.
IV. Запомните следующие слова:
machinery – механизмы, машины, оборудование
saw – пила
mobile circular sawmill – круглопильный передвижной
станок
to adjust – регулировать
line – установка, линия
РТО-shaft – вал отбора мощности
fan – вентилятор
ratio – передаточное число
feed – подача
pressing roller – прижимной ролик
telescopic legs – складные ножки
to fold out – раскладывать
to couple – присоединять
roller table – стол для распиловки, рольганг
thinning – прореживание
blade – пильное полотно, пильный диск
a large sawmill – лесопилка
Text. Kronos heavy-duty mobile circular sawmill.
Kronos company has been manufacturing machinery since 1914 and is one of
the oldest in its branch in Finland. During the last 15 years Kronos has turned
more and more into forest and saw machinery production. Kronos machinery is
already in use in many countries.
One of its machines is Kronos mobile circular sawmill. It is used for small-
scale sawing and as an auxiliary line in large sawmills. Very often Kronos is
used for forest sawing of thinnings and mixed logs up to 450 – 500 mm in di-
ameter.
Kronos is very easy to move from one place to another. There are no special
foundation costs and sawing can start 20 minutes after the machine has arrived.
Sawyers just fold out the two framesections, adjust the telescopic legs and put
the 1,5 m frame extension to the other end of the saw. After that they park the
tractor and couple the PTO-shaft from the tractor to the saw. When the tractor is
parked, they can start sawing.
Main parts of the circular sawmill are a sawdust extracting fan, a log lifting
device and a strong roller table. Sawyers needn't to feed the logs by hand. There
are the synchronized hydraulic feed and the pressing device. Table feed and
pressing roller rotation are controlled by the multicontrol lever thus eliminating
inconvenient movements for the sawyer. The multicontrol lever provides an

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