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ENGEL to highlight with two elastomer exhibits at PLAST 2018
Issue date:23/05/2018
CPRJ Editorial Team
(SC)
Thanks to its barrier-free clamping unit, the tie-bar-less ENGEL victory injection moulding machine for multi-component processes using LSR represents a huge efficiency potential.
Thanks to its barrier-free clamping unit, the tie-bar-less ENGEL victory injection moulding machine for multi-component processes using LSR represents a huge efficiency potential.

ENGEL will present its high degree of system solution competency for the elastomer industry at PLAST 2018 and the integrated Rubber Show from May 29 to June 1 in Milan, Italy.

With two applications, the company will show the wide range of use of its injection moulding machines and system solutions for elastomer applications in the automotive, teletronics, technical moulding and medical industries.

This clarifies how the perfect interplay between injection moulding machine, automation and periphery makes it possible to fully utilise efficiency and quality potentials.

Tie-bar-less for high-precision multi-component processes with LSR

During PLAST 2018, ENGEL will produce coupling cushions for rain sensors on a victory 160 combi injection moulding machine.In many applications, the integrated injection moulding process is a prerequisite to bonding thermoplastics and silicone in stable layers. One example of this are coupling cushions made of PBT and LSR, which serve as windshield fasteners for rain sensors.

Using the ENGEL combimelt process, these demanding dual-component parts will be produced on a tie-bar-less victory 200H/200L/160 combi injection moulding machine with an integrated viper 40 linear robot at the stand. The 4+4 cavity mould for the parallel processing of PBT and LSR is by Rico (Thalheim, Austria) while the all-electric LSR dosing system is a new development by Dopag (Cham, Switzerland), and the LSR for this application is a product of Wacker in Burghausen, Germany.

Manufacturing two-component parts optimally leverages the efficiency potential of the tie-bar-less ENGEL victory machine. The tie-bar-less technology allows for the mounting of large, complex multi-component moulds on comparatively small machines. Automation is a second efficiency factor. The ENGEL linear robot can reach the cavities directly from the side and operate safely without having to circumvent any protruding edges. Thirdly, the extremely high process consistency constructively ensured by the tie-bar-less clamping unit factors significantly into the high degree of overall efficiency.

The patented force divider enables the moving mould mounting platen to follow the mould exactly while clamping force is building up and ensures that the clamping force is evenly distributed across the platen face.

In addition, iQ weight control is used to ensure a consistent process and consistently high parts quality. The intelligent assistance system from the company's inject 4.0 programme adjusts the injection profile, as well as the switchover point and the holding pressure profile for each individual shot to the respective conditions, thus compensating for external influences before a reject is produced.

ENGEL flexseal for maximum efficiency and precision

At the exhibition, Mesgo will present the fully automated production of membrane seals on an ENGEL flexseal 500/300.The Italian company Mesgo will present the fully automated production of membrane seals on an ENGEL flexseal 500/300. The especially compact and energy efficient flexseal injection moulding machine was specifically adapted to the requirements of O-ring and flat seal manufacturers. In the production of very large volumes, the servo-hydraulic machine guarantees the highest efficiency and highest precision.

Furthermore, Mesgo will demonstrate an especially demanding application. Thermoplastic PBT inserts will be overmoulded with solid silicone and the components will be inspected by camera inline immediately following production. ENGEL is providing the completely integrated system solution for this. The parts will be handled by an ENGEL easix articulated robot, which, in this application, is being combined with an Anyfeeder for the first time.

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