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ARMS Hardware Manual
2.3. Securing the Stage to the Mounting Surface
W A R N I N G : The ARMS must be mounted securely. Improper mounting can result in injury
and damage to the equipment.
W A R N I N G : Make sure that all moving parts are secure before moving the ARMS.
Unsecured moving parts may shift and cause bodily injury.
W A R N I N G : Do not attempt to manually move the ARMS if it is connected to a power
source.
The mounting surface must be flat and have adequate stiffness in order to achieve the maximum
performance from the ARMS stage. When it is mounted to a non-flat surface, the stage can be distorted as
the mounting screws are tightened. This distortion will decrease overall accuracy. Adjustments to the
mounting surface must be done before the stage is secured.
Inspect the mounting surface for dirt or unwanted residue and clean if necessary. Use precision flatstones
on the mounting surface to remove any burrs or high spots. Clean the mounting surface with a lint-free cloth
and acetone or isopropyl alcohol and allow the cleaning solvent to completely dry. Gently place the stage on
the mounting surface.
N O T E : The ARMS is precision machined and verified for flatness prior to product assembly at the
factory. If machining is required to achieve the desired flatness, it should be performed on the mounting
surface rather than the ARMS. Shimming should be avoided if possible. If shimming is required, it should
be minimized to retain maximum rigidity of the system.
N O T E : To maintain accuracy, the mounting surface must be flat to within 1 µm per 50 mm.
ARMS series stages have a fixed mounting pattern (as shown in
N O T E : If the stage is not connected to a power source, the stage should move freely by hand. Do not
attempt to manually move the stage if it is connected to a power source or includes an integrated brake.
Tightening torque values for the mounting hardware are dependent on the properties of the surface to which
the stage is being mounted. Values provided in
mounting surface. Refer to
Table 2-1:
Stage to Mounting Surface Hardware
Mounting Hardware
ARMS150, ARMS200
ARMS150, ARMS200
ARMS260
ARMS260
www.aerotech.com
Table 2-1
Section 2.2.
for specific model mounting locations and dimensions.
Standard Mounting: M6 SHCS
Side Mounting (for stage or fixture mounting): M6 x 1.0
tapped holes with reinforced threaded inserts (four
places on three sides)
Standard Mounting: M8 SHCS
Side Mounting (for stage or fixture mounting): M6 x 1.0
tapped holes with reinforced threaded inserts (four
places on three sides)
Chapter 2
Figure
2-10).
are typical values and may not be accurate for your
Installation
Typical Screw
Torque
7 N·m
7 N·m
17 N·m
7 N·m
25
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