MicroE Mercury II 5000 - Manual (Page 63)

PurePrecision Linear Glass Scales Installation
IM-Mercury_II_PurePrecision_Scales Rev. 1 Page 22 ©2014 MicroE Systems
Mercury II PurePrecision Tape and Glass Scales
Installation Manual and Reference Guide
4.0 PurePrecision Linear Glass Scales Installation
Use the steps in this section to mount and install PurePrecision Linear Glass Scales.
4.1 Before Installation
Review the information in this section prior to installing PurePrecision Linear Glass Scales.
4.1.1 Items Required for Glass Scale Installation
You will need the following items available for PurePrecision Glass Scales installation.
Item Notes
Index and limit marker strips 1 
Finger Cots or talc-free gloves 
Acetone or isopropyl alcohol 
Lint-free cotton cloths or wipes 
Two-part epoxy (Tra-Bond 2116 or equivalent) 
Stick and disposable surface for stirring epoxy 
Silicone adhesive 
Notes :
1. Optional for tape and glass scales: limit marker strips, model RLMS; index marker strips, model
RIMS.
Refer to encoder data sheets or installation manuals for details on ordering parts.
4.1.2 Mounting Surface Preparation
Perform the following steps prior to mounting the glass scales (for non-adhesive backed glass
scales).
Step Action
1. Inspect the mounting surface for any machining irregularities. MicroE Systems recommends a
surface finish of better than 3.2 micrometers Ra.
2. MicroE Systems recommends a mounting surface flatness of 0.0001 inch/inch.
3. Thoroughly clean the scale mounting surface and reference edge using a cotton swab or lint-
free cloth dampened with isopropyl alcohol or acetone. Remove all dust and particles.
4.2 Mount Linear Glass Scales
Note: Use talc-free gloves or finger cots to handle the scales.
Step Action
1. Permanently attach MicroE Systems linear glass scales to the mounting surface using epoxy and
silicone adhesive.