［Features］
●No fear of accidents by fallen workpieces due to power failure and no heat generated by
continuous power on. These features make these holders suitable for long-hour holding.
Workpieces are held by a permanent magnet, but its ON/OFF is controlled electrically.
●The electromagnetic release type that keeps the magnetic force off when power is
being supplied. Normally, the magnetic force is kept ON.
●An uninterruptible power supply is not required.
●The square type (KEP-K) is suitable for picking up small parts from corners of
containers, etc. and picking up doughnut-shaped workpieces.
How to use
Released only at power on
Residual holding power
The power source is 24 VDC. When using 4 holders of the same size
and same type at the same time, connect their wires in series that
are used at a distribution of the voltage 96 VDC (96 V ÷ 4 = 24 V).
In this case, a voltage variable rectifier (RH-M) enables adjustment
of the demagnetizing voltage (power on amount at OFF) to
facilitate operation.
The power-on time must be 5 seconds or less. The power-off time must
be 10 times or longer. (30 seconds or less for KEP-K.)
As an inevitable nature of permanent electromagnetic holders, 3%
to 4% of the holding power will remain as residual holding power
after the workpiece has been released. If the weight of the lifted
workpiece is smaller than this holding power, it may not be released.
In such a case, the workpiece can be released easily by attaching a
thin nonmagnetic film on the attractive face.
Note, however, that the
holding power will drop as the square of clearance
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