CONTROL & INSTRUMENTATION | MACHINERY
Close control: new ways to raise product quality
Downstream add-ons, software additions and product upgrades are just some of the ways in which extrusion companies can boost control of their machinery – and improve product quality
Controlling extruder conditions – from energy consumption to product dimensions – helps to ensure manufacturing efficiency and final extrudate quality. This can be done in a variety of ways, from add-ons to software upgrades. Pixargus says that its SawControl module makes
profile cutting an integrated element of quality control – helping to minimise waste. It has been used by Cooper Standard – a leading supplier to the automotive industry. The new software module uses results from the
Pixargus ProfilControl 7 inspection systems to optimise profile cutting. SawControl ensures that all profiles cut to customer-specified lengths are free of defects, and any profile sections that contain flaws are cut away. Even the standard version of ProfilControl 7 can send defect signals to the cutting saw to ensure that flaw-containing parts are cut out. However, the new module ‘tells’ the saw the correct spacing for cuts
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“We have integrated all inspection and defect detection activities, such as defect marking and the spacing within the cuts, into one control loop,” said the company. “Therefore, the system now plays a pivotal role for this process step.” If ProfilControl 7 detects a flaw in the product,
SawControl will cause the saw to make an extra cut in real time at a shorter spacing. After the ‘defect’ has been cut out, the saw will resume cutting at the regular interval. Cooper Standard, a US-based supplier to the automotive industry, is already using the new module at its location in Lindau, Germany, where it produces sealings for body shells. “The Pixargus module integrates the profile
cutting process into our quality control system, which provides a number of benefits,” said Dominik Schramm, senior manager in sealing extrusion at Cooper Standard. “We can establish a straightfor- ward link to the sawing unit control – even in
January/February 2023 | PIPE & PROFILE EXTRUSION 27
Main image: The SawCon- trol module from Pixargus cuts profiles to length – and removes defective portions
IMAGE: PIXARGUS
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