According to the Machinery Directive, extruders are subject to Performance Level “C”. Attachments, including melt pressure sensors, must also have Performance Level “C”!
During a retrofit, the obsolete machine control was replaced by a PLAST-CONTROL NAVIGATOR; frequency converters and motors were converted to AC technology from Siemens by Lebbing. Read more
DKHV specialises in offering “turnkey” solutions for extensive and complex retrofits and installations at a fixed price.
“Turnkey” means from one source: DKHV project management including commissioning and coordination of the mechanical and electrical installation work by our partners. Read more
At the K-show trade fair in Düsseldorf, PLAST-CONTROL presented a concept for frost line detection on a blown film line. With this system, the height and temperature changes of the frost line are to be continuously measured during the course of production and the line parameters (including extruder and blower output) are to be automatically readjusted accordingly.
Automatic emptying and cleaning of suction feeders and gravimetric metering units
BACKGROUND
Abrasion, dust or angel hair (due to static, among other things) settles in all hoppers and system parts that come into contact with granulates. In addition, depending on the design, there are so-called “dead zones” in which the undesirable substances can accumulate. Read more
