Introduction
Operating / Mounting instruction
12
192-550003N10 ETH ATEX December 2019
1.7
Applications in accordance with the Regulations
The incomplete machine can only be set in operation if it is sure that the machine
in which the incomplete machine shall be mounted is conform to the 2006/42/EG
machine directives.
Without further measures the product is not suitable for safety-oriented tasks. The
linear actualor must only be used in areas that are not accessible to persons during
operation.
If the linear actuator is used in areas accessible to people, it must be installed in
such a manner that no one can be endangered during operation.
The described safety, installation and operating instructions must be adhered to.
General functioning consists in converting a rotational movement in a linear
movement without slip within the product related load limits.
Can be found in the catalogue http://solutions.parker.com/eth_support.
Its applications are in industry and trade.
The linear actuator is used for: Positioning, transporting, feeding, removing, pallet
handling, loading, unloading, processing and manipulating as well as testing work
pieces or tools. Since the component can be used in a very wide range of
applications, the user is responsible for its use in specific applications.
ATEX specific requirements
Strict adherence to the intended use of ATEX certified cylinders is the
absolute prerequisite for their use in explosive atmospheres.
While using the ETH cylinder as intended, the ignition temperature will not be
exceeded in any part of the ETH cylinder. The ETH cylinder is heated by the
thermal effect of the motor or the gearbox as well as by the frictional heat
generated by the spindle nut and the bearings, the latter however only if the
cylinder is in motion. The relevant heating occurs with high force, travel speed and
cycle time of the spindle nut. Therefore, the thermal behavior of the ETH cylinder
must be taken into consideration when dimensioning a drive application. The
application and therefore the temperature behavior must be checked on the basis
of force - velocity - diagrams. An application specific measurement and certification
is also possible for critical applications or for further optimization. Please observe
the Project notes (see page 23) as well as the document "ETH ATEX: Basic
conditions for the use". http://solutions.parker.com/eth_support
Besides the heating behavior of the cylinder, the following boundary conditions
must be respected when using the cylinder in explosive atmospheres:
The ETH is especially designed for the use in explosive atmospheres in
accordance with the specifications of the ATEX directive 2014/34/EU.
The operation of the electro cylinder is only permitted within the application data
checked via force velocity diagrams or application specific measurement.
Furthermore, it applies for the intended use:
The ETH can be used in defined explosive atmospheres (see page 11).
The shortened lubrication intervals applicable for ATEX are mandatory.
In short-stroke applications (stroke shorter than 2.5 times the screw lead), the
specified lubricating runs must be performed as described in the
operating/mounting instructions.
