Installation Of The Magnetic Tape - ELGO Electronic EMIX23 series Operating Manual

Magnetic linear encoder with 0.001 mm resolution
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7.2

Installation of the Magnetic Tape

NOTE: External Magnetic Fields
The magnetic tape must not be influenced by external magnetic fields!
The magnetic tape must not come into direct contact with other magnetic fields (e.g. perma-
nent magnets, magnetic clamps, electromagnets, magnetic stands)! This may cause irrepara-
ble damage, which will compromise the measuring accuracy or even the functioning.
7.2.1
The Magnetic Tape MB20-20-10
In the standard case, the magnetic tape is delivered as described.
It is installed by gluing it to the respective mounting surface.
IMPORTANT NOTE:
EMIX23 with a resolution of ≤1 µm (e.g. 0.001 mm) require single pole magnetized
magnetic tapes with the addition "EPS" (see type designation  10.2). Otherwise the
required accuracy cannot be guaranteed.
For resolutions >1 µm (e.g. 0.005 mm) the conventional magnetic tape can be used
without the addition "EPS".
The magnetic tape consists of 2 pre-assembled components (see Figure 6):
A magnetized, flexible plastic tape (Pos. 3), which is connected with a magnetically conductive steel
tape as inference band (Pos. 4) and is supplied with an adhesive tape (Pos. 5).
A magnetized permeable cover tape (Pos. 1), which serves for the mechanical protection of the plastic
tape (not required for the measurement) and is supplied with an adhesive tape (Pos. 2). The cover tape
is not necessary for the measurement.
Therefore a divergent tape structure and scope of delivery is also possible.
The cover tape is also available separately.
Figure 6: Magnetic Tape Structure
Pos. 1: Stainless steel cover tape
Pos. 2: Double-sided tape
Pos. 3: Magnetized plastic tape
Pos. 4: carrier tape stainless steel
Pos. 5: Double-sided tape
Pos. 6: Mounting surface, for example machine bed
- 13 -
Installation and First Start-Up

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