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Spindle Units0 pages
ARLA® Spindle Units
ARLA Maschinentechnik GmbH · Hansestr. 2 · D-51688 Wipperfuerth · GERMANY
Tel: +49 2267 6585-0 · Fax: +49 2267 6585-70 · www.arla.de · E-mail: info@arla.de
ARLA® Spindle Units
Precision Units with Servo Drives
• spindle units for boring, drilling, threading, facing, turning, milling, center drilling, chamfering,
deburring, internal and external machining also in high-performance operations (endworking)
• direct servo drive concept without belt to avoid vibrations and other inaccuracies
• spindle concentricity < 2 ìm; unit may be assembled either in horizontal or vertical direction
• high-precision spindle bearings; reliable air sealing
• coolant supply (spray) directly at the spindle head; also models with internal coolant through the tool
• tool clamp: HSK adapter (manual clamp for DA and DB, also automatical tool clamp available for DC)
• options: protection cover, numerical control, spindle units in combination with ARLA® Slide Units
• special customer versions with higher torques or speeds (also where retrofitting is required) used
in various applications: special-purpose machine tools, automotive industry, aviation industry
Model DA Drive technology: Direct-Servo-Drive
Motor power (max.): 10 … 25 kW (max. 6000 rpm)
Spindle torque: 17 … 160 Nm (max.)
Tool holder: HSK-A 50, 63, 80, 100
various applications with preset tools; universal unit; manual tool clamp
Models DB, DC Drive technology: Motor Spindle
(water cooled)
Motor power (max.): 20 … 31 kW (max. 7000 rpm)
Spindle torque: 27 … 425 Nm (max.)
Tool holder: HSK-A 50, 63, 80, 100
very precise and stiff unit (small space) with coolant spray at the spindle
head and – as an option – an internal coolant supply through the tool;
manual tool clamp (DB); (automatic tool clamp (DC); various applications
(like turning, heavy-duty facing, deep hole drilling, boring of pipes and
hollow shafts, etc.)
The ARLA® Spindle Units DX with facing head are innovative models with an integrated motor spindle and
an integrated facing head. The facing heads are – according to customer's requirements – available as single
slide, or double slide heads optionally counterweighted to support higher spindle speeds. The facing head
concept enables the machining of a fixed workpiece which could only be done by turning machines. Due to the
new ARLA technology this concept is much better, more accurate and flexible so that the machining process
becomes significantly more productive.
