As it was working to develop a new power pack, one thing quickly became clear: if HAWE were to develop a completely new hydraulic power unit, it would not only have to surpass the characteristic values of the currently available units, but would also have to be forward-looking. This is how the INKA type came into being — an intelligent compact power unit, equipped with many interesting technical highlights as standard.
Company officials highlighted how the power pack is very flexible in height, size and pump combination and can be used with HAWE’S wide range of valve product. Brand new to this unit is the communication box, which makes it easier to install the unit quickly and easily and provide visual feedback about the unit status. With the M12 connector, users can easily connect to important product data and use switching outputs or IO link communication.
The motor sensor is installed into the heart of power pack to detect speed, oil level, oil temperature directly in the unit, allowing for condition monitoring or predictive maintenance. The directly attached electronic communication box with integrated real-time operating system immediately catches the eye. The electronics enable the acquisition and storage of operating data, extensive diagnostic options and a self-test for all measuring functions. The measured values of the integrated multi-sensor, including the motor speed, can be transmitted to the higher-level machine control system via an IO-Link interface and processed there for condition monitoring.
Alternatively, a version with three freely parameterisable switching outputs is also available. In this case, any measured variable, such as temperature and fill level, can be assigned to each switching output with the help of a PC application (software) provided by HAWE. With the help of the software, e.g. the volume flow, the running time of the unit and much more can be calculated and displayed. The software also enables the digital creation of variants of the INKA with switching outputs, which is very interesting for flexible adaptation to different machine types by the OEM himself.
The status messages of the integrated multi-sensor on oil temperature, fill level and general condition of the unit are also displayed at all times via the LEDs on the communication box.
Many proven features have been taken over from the well-known HAWE compact power unit series: For example, the finned tube housing, which dissipates heat very well, as well as the compact design with under-oil motor. With the direct attachment of the valve banks from the HAWE modular system, a customer-specific solution can be configured quickly and easily with this unit. The configuration can also be carried out online in the HAWE customer portal. The user then receives the corresponding 3D model and the type code for ordering by mouse click.
The unit can be equipped with a radial piston pump for pressures up to 700 bar or with a gear pump for pressures up to 200 bar. The maximum possible flow rate is 2.2 l/min.
The INKA type is ideally suited as a decentralized control for individual functions, in all processing machines, in machine tools, e.g. in workpiece clamping or in hydraulic tools. But it can also apply large forces decentrally in smaller presses due to its high-pressure capability up to 700 bar. Other applications are also conceivable in mixing, analyzing or testing.
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Filed Under: Pumps & Motors, Related Technologies