TWIN – Use and maintenance instruction manual
Chap. 3
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All movements are controlled by brushless motors (no need for maintenance) and high-precision,
preloaded-balls, recirculation screws that allow travel speed up to 100 m/min.
The lubrication of all screws and shoes is automatic, numerically controlled and monitored by
control sensors during the travel.
As for the rotating axes, the two rotating movements of the head (B and C axes) are continuous
and interpolated, and are controlled without any backlashes or periodical calibrations, by two
precision gearmotors.
3.7.3 Machining heads (B-A axis)
Type 2+2:
It consists of two electrospindles with double exit per side, arranged in superimposed cross. Each
electrospindle has at the ends of its shaft (diam. 40 mm) two tool fittings with preset stop.
Available versions:
• 10,0 HP / ER 32
• 12,5 HP / ER 40
• 16,0 HP / ER 40
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