The ERM scale drums are available in two completely different design types, appropriate for their use in different installations:
The TTR ERM 2x00 scale drums for precise axes in turning and milling applications
The TTR ERM 2x04 and TTR ERM 2x05 scale drums for spindle applications
Furthermore, various grating periods are available for the scale drums, depending on the speed and accuracy requirements.
Please use the specifications of your application to first select the scale drum and then the scanning head. You can see the associations in the table.
Please note that both the grating period and the line count must match. You will find this information as values in the attributes.
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