Page 667 - CarrLaneCatalog_2019ed-c.pdf

Threaded-Body Work Supports 7250 psi max
Single acting

• Amazingly compact threaded body work
support, only 1-1/4 inches in diameter!
• Height adjusts automatically with
repeatability with + .0002 inches
• Choice of two sizes in each of three-
action types, plus a long-stroke
fluid-advanced model (1700 lbs)
• Support plunger held by an
Hole Preparation advanced design, sliding-fit pressure
(Spring Extended and sleeve (holds plunger absolutely
Fluid Advanced) Hole Preparation (Air Advanced) vertical, locked or unlocked)

SUPPORT ACTION (SPRING EXTENDED):
Plunger is normally extended by light spring
force. Workpiece’s weight depresses plunger
to proper height. When fluid pressure is applied,
precision sleeve grips plunger, locking it
securely.
SUPPORT ACTION (FLUID ADVANCED):
Plunger is normally retracted for clear workpiece
loading/unloading. Applying fluid pressure
gently advances plunger to workpiece, where
it contacts with light spring force. When fluid
Example: pressure is applied, precision sleeve grips
Workpiece supported by three plunger, locking it securely. Plunger retracts
fixed rest buttons and three self- again when pressure is released.
adjusting Work Supports. Supports SUPPORT ACTION (AIR ADVANCED):
and Edge Clamps are all manifold Plunger is normally retracted for clear workpiece
mounted, so the fixture has no exposed
fluid lines to trap chips. load ing/unloading. Applying air pressure gently
ad vances plunger to workpiece. A simple
3-way air valve, fine pressure regulator, and
air dryer are required. Fine tune contact
OPTIONAL BASE pressure using regulator. When fluid pressure
is ap plied, precision sleeve grips plunger,
locking it se curely. Plunger retracts again when
air pressure is released. Air-advanced version
is also available without spring return for
extremely sensitive contact-force adjustment
(part no. CLR-7990-284-WS without base,
CLR-110-WS with base).
ACCURACY: Height repeatability + .0002
Spring-Extended Fluid-Advanced Air-Advanced inches. Excellent repeatability because (1)
Work Support Work Support Work Support slid ing fit sleeve keeps plunger absolutely
with Base with Base with Base vertical while unlocked, avoiding inacurracy due
CLR-000-WS CLR-200-WS CLR-100-WS to lock ing a tilted plunger, and (2) locking force
is en tire ly radial, so plunger stays absolutely
stationary during locking. Elastic deflection
of plunger is only .00016 inches per 100 lbs.
machining load.
MOUNTING: Screw work support into a tapped
hole prepared as shown below. Hole bottom
must be perpendicular to the hole’s axis. with
a 125 RMS maximum surface finish. Minimum
seating torque 50 ft.-lbs. Supply fluid through
passages drilled in the fixture.
SEQUENCING: If workpiece is too light to
depress plunger (spring extended) or light
enough that plunger contact may lift it (fluid
advanced), a sequence valve is recommended.
Sequence valve delays locking or advancing the
plunger until after the workplace is clamped.
14
CONSTRUCTION: Steel plunger, hardened
and ground. Plunger held inside a honed locking
sleeve (sliding fit). Carbon steel body, black
oxide finish. Hardened contact bolt furnished.
Carr Lane Roemheld Mfg. Co.
Sales — Phone (314) 647-6200 Fax (314) 647-5736
Engineering — Phone 1-800-827-2526 Web roemheld-usa.com
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