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APR150DR
2.3. Attaching the Payload or Fixturing to the Stage
Inspect the mounting surface for dirt or unwanted residue and clean if necessary. 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.
Use a representative payload during start-up to prevent accidental damage to the stage and the
payload. Proceed with the electrical installation and test the motion control system in accordance
with the system documentation. Document all results for future reference. For information on
electrical installation refer to
the stage.
WARNING: General Hazard Warning!
Be careful when you attach the payload to the stage table.
Refer to the dimensions in
l
IMPORTANT: If your APR150DR was purchased with Aerotech controls, it could have been
tuned with a representative payload based on the information provided at the time of order. If
you start the APR150DR without a payload, the servo gains provided by Aerotech with the
shipment may not be appropriate and servo instability can occur. Refer to the controller help
file for tuning assistance.
The payload must be flat, rigid, and comparable to the stage in quality to maintain optimum
performance.
Table 2-3:
Mounting Interface Flatness Requirement
Stage Travel
All Travels
Applied loads should be symmetrically distributed whenever possible. The payload should be
centered on the stage table and the entire stage should be centered on the support structure.
Refer to
Section 1.3.
applied, refer to the
IMPORTANT: Where possible, use 3-point mounting when you attach the payload to
the stage.
22
Chapter 3: Electrical Installation
Section 2.1.
for maximum load carrying capacity specifications. If cantilevered loads are
Figure 2-3
to find the maximum allowable load.
and the documentation delivered with
for maximum allowable thread engagement.
Flatness Requirement
Hardware Manual
5 µm
www.aerotech.com
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