для размещения заказа - smwautoblok@smwautoblok.ru
Clamping glossary
Case hardening: TThe surface of the components is hardened The engaging/disengaging of the jaws is done by an additional tangen- 3
(60 HRC) to a depth of about 1 mm (0.04”). The core shows a high tial movement of the wedge bars.
tensile strength and toughness. Compared to partial inductive hard- This proven and patented design with self-acting cleaning of the serra-
ened and nitrited parts the rigidity and the resistance against wear is tion offers a constant high jaw change accuracy after jaw changing.
greatly increased.
Jaw safety interlock: At quick jaw change chucks the transmission
Efciency: The ratio between the calculated theoretical gripping of the gripping force to the interchangeable clamping jaws is done via
force (disregarding friction) and the actual (measured) gripping force. a serration. With existing chuck designs misoperation by the operator
can cause danger to man and machine if the jaw is not inserted cor-
High-low clamping: For easily deformed components. High grip- rectly i.e. the serration is not fully engaged.
ping forces for the rough cut are reduced to low gripping forces for The KNCS-N is equipped with a unique patented safety interlock:
the nish cut without unchucking. This means less deformation on The built-in safety interlock eliminates misoperation.
he nished components. Contrarily to wedge hook chucks the
KNCS-N wedge bar drive is suitable for high-low clamping. Repeatability: The centering accuracy of the chuck equipped with
one set of jaws starting from the rst up to the last component of a
Hysteresis: At high speeds the chuck body “grows” due to centrifu- batch. Due to the wedge bar drive KNCS-N chucks offer a much high-
gal force. The draw-pull of the clamping cylinder causes an increase er repeatability compared to wedge hook chucks.
in gripping force which cannot be decreased at a quick spindle stop
(or change in speed). This can cause deformation at easily deformed Wedge bar drive: The chuck is driven by tangentially mounted
parts. KNCS-N chucks with wedge bar drive have a very low hysteresis. wedge bars. This design allows highest repeatability and rigidity. These
chucks have very low loss in gripping force due to centrifugal force.
Jaw change accuracy: The centering accuracy after a jaw change The design does not require counterbalance weights which allows
with once already bored/ground jaws on the chuck. The clamping highest speeds without vibration.
force on the KNCS-N is transmitted via the wedge bar drive.
Chuck body and internal
parts are case hardened
and ground. For
highest rigidity,
durability and
precision.
Large through hole
for full use of
spindle bore.
SMW-AUTOBLOK 79
smwautoblok@smwautoblok.ru www.smwautoblok.ru
