Time Mode; Temperature Measurement; Change Of Temperature Unit; Demagnetisation - SKF TIH 220m Bedienungsanleitung

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5.4 Time Mode

• If the remote control display shows °C or °F, press MODE to select TIME MODE. The
remote control display shows 't' in TIME MODE.
• Press UP or DOWN to adjust the time in steps of 0,1 minute.
• Press POWER to select the power level. Use the guidelines in section 5.8 to determine
the correct power setting.
• Press START/STOP to start the heater. The remote control display shows the time that
remains.
• During heating, the temperature measured by the probe can be displayed for a couple
of seconds by pressing MODE.
• When the time has elapsed, the heater demagnetises the workpiece, switches off, and
generates an acoustic signal for 10 seconds.
• Press START/STOP to cancel the acoustic signal and stop the heater.
• Remove the workpiece with proper handling equipment.
• The TIH 220m is now ready to heat another workpiece with the same settings.

5.5 Temperature measurement

When the heater is not operating, the temperature of the workpiece can be measured by
pressing MODE and START/STOP at the same time. The LED on the START/STOP button
flashes during temperature measurement. Press START/STOP to cancel temperature
measurement.

5.6 Change of temperature unit

Press MODE and UP at the same time to switch between °C and °F.
The temperature unit setting remains the same even after disconnection from mains
power.

5.7 Demagnetisation

The workpiece is automatically demagnetised when heating is complete. Demagnetisation
will not occur if the power is interrupted or the main switch is switched off. To use the TIH
220m for demagnetisation only, select TIME MODE and set the time to 0,1 minute
(6 seconds).

5.8 Power level selection

When heating bearings with an induction heater, most of the heat will be generated in the
inner bearing race. The heat will then be transferred through the bearing. It is therefore
important that bearings with reduced internal clearance are heated slowly. Slow heating
ensures that the bearing expands evenly, thereby preventing damage to the bearing.
The shape, weight, size, and internal clearances all affect the amount of time required to
heat a bearing. The large variety of bearing types precludes the possibility of providing a
specific power level setting for each type.
Instead, the following guidelines are provided:
SKF TIH 220m
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