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4D LABS, Simon Fraser University 8888 University Drive, Burnaby, B.C. V5A 1S6
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778.782.8158
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778.782.3765
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www.4dlabs.ca
5.
Insert the specimen holder (Figure 4C).
6.
Release the sleeve to allow the holder to be locked in place (Figure 4D), you may need to gently
rotate the specimen holder until it locks in place. When in place, it may feel slightly loose, but this
is normal.
7.
Load your samples. For central force, ensure that the sample holder is balanced (using blank
balance pucks if necessary).
8.
Position the polishing head over the platen. Buehler recommends the specimen be approximately
1/3 off the edge of the platen in its outmost position.
Removing a Specimen Holder
• Raise the lift-lock chuck to release the specimen holder.
Single Force
In single force mode, the specimens are placed, but not secured, in the specimen holder (Figure 5). The
amount of force selected on the control panel is applied to each individual specimen through hydraulic
fingers. The single force specimen holder must be locked rigidly in place to ensure optimum polishing
results.
Figure 5: A: Single Force Specimen Holder, and B: lowered force fingers during operation.
Central Force
In central force mode, the specimen holder (Figure 6) secures the specimens in place and the selected
amount of force is applied at the central point of the specimen holder. At least three specimens (balance
B
A
