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Rimtec's advanced servo couplings meet special demands of shaftless
Corporation introduces zero-backlash
metal bellows servo couplings that are designed to maximize accuracy
at the superior high speeds that are now possible with shaftless printing
Rimtec's technically advanced coupling design connects high-performance
digital servomotors to shaftless presses. Even while transmitting
high torque, the couplings are torsionally stiff, thus minimizing
or eliminating wind-up and backlash. The coupling's low inertia helps
optimize servo-loop gains, thus maximizing the accuracy of servo master-slave
operations throughout the entire press.
The Rimtec line of metal bellows couplings are available in shaft
sizes from 0.04 to 3.35 inches (1 to 85 mm), with torque capacities
up to 44,000 in-lb (5000 Nm). Collet-type clamps ensure zero-backlash
for the highest accuracy.
The company also offers
servo-insert couplings, which provide the zero-backlash benefits
of metal bellows couplings with added dampening characteristics where
resonance is a problem. The 3-part configuration adapts to the tight
space requirements in some printing stations. This line accommodates
bore sizes from 0.08 to 4 inches (2 to 100 mm).
The Rimtec Corporation offers a broad line of precision servo couplings
to dramatically diminish downtime and production costs for shaftless
printing presses and many other demanding types of manufacturing production.
Magnetic clutches ensure smooth bottle capping
Rimtec Corporation introduces its line of
HSV permanent-magnet hysteresis clutches, which provide exceptionally
smooth torque transmission with servo-quality overload protection
for high-production bottle-capping applications.
compact, stainless steel HSV magnetic clutch is designed as two
magnet-lined cylinders that nestle together, but without physical
contact. As one cylinder rotates, torque is produced in the opposing
cylinder by the interacting magnetic fields across the air gap
between the magnetic materials. When a bottle cap has been fully
driven down, but the timing cycle has not yet ended, the torque
becomes greater than the magnetic field and an overload occurs.
The Rimtec clutch then disengages and slips, eliminating the risk
of damage to the bottle and capping machine. When the overload
is removed, the clutch reengages.
Rimtec magnetic hysteresis clutches disengage on an overload without
the abrasion and jerking that limit the wear life of conventional
mechanical-type couplings. The overload torque setting is easily
adjusted to accommodate differing product and cap sizes and styles.
The HSV clutches have no friction components to wear and produce
contamination, making them ideal for use in food processing and
clean room packaging applications.
The HSV hysteresis magnetic clutch line transmits torque from
2 to 40 lb-in (0.2 to 4.0 Nm). It is available in a threaded version
or flange connection, as well as custom designs.
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