Chapter 2 - Page 26
300200040-en-00.fm
© 0103
Actuators
Heinzmann actuator
On the internal shaft of the actuator is a multi-pole permanent magnet. Opposite the permanent magnet is a
coil body on which is mounted a working coil. If the working coil conducts, torque occurs in one direction, the
reversal of the current provides torque in the opposite direction.
The lever attached to the internal shaft is connected to the injection pump control rod with the help of a spe-
cial connection system. By this means the rotary motion of the internal shaft is transferred directly as a linear
movement to the control rod.
The setting of the control output shaft is detected using a non-contact method by a return system mounted
firmly on the shaft and then passed to the control device.
On reaching the stop, current limitation is implemented after approx. 20 seconds, which reduces the actuator
current to such an extent that no damage is suffered by the actuator.
Emergency stop is possible with an additional stop lever.
Figure 2-25 Actuator, Heinzmann StG 2040-DP
1
Injection pump
5
Working coil
2
Adapter plate
6
Stop lever
3
Return system
7
Control rod motion (adjustable)
4
Connection to injection pump control rod
Summary of Contents for TBD 616 OEM
Page 1: ...Operating Instructions TBD 616 OEM Operating Instructions TBD 616 OEM ...
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Page 138: ...Chapter 8 Page 6 300200137 en 00 fm 0103 Technische Angaben TBD 616 OEM ...
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