Clamping systems Set-up cost reduction through faster clamping

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STRACK NORMA GmbH & Co. KG

With its range of quick clamping systems for injection moulding machines, Strack Norma offers its customers innovative solutions for reducing set-up costs and creates high flexibility for the user through quick and easy mould changes.

Moulds are positioned and clamped quickly and easily in the injection moulding machine with the help of the Strack quick clamping systems. The system clamping plates are firmly connected to the mould via torsion-free clamping by means of inclined eccentrics. The mechanical system for injection moulds is suitable for two- and four-bar versions as well as for tie-bar-less injection moulding machines of all market-leading machine manufacturers. The quick clamping systems can be used up to a maximum clamping force of 1,000 kN and a total weight of 1,000 kg. In addition, they can be universally used horizontally or vertically, depending on the type of injection.

According to Euromap 2, the quick-clamping systems have eight mounting holes per platen as standard. In addition to its standard Z8060 system, Strack now also offers two new variants: While the Z8061 variant was designed for the clamping area between the machine tie bars of the injection moulding machines, the Z8062 variant covers the complete clamping area of the machine mounting platen.

The conversion effort for existing injection moulds is low, as only the existing centring flanges are exchanged for the corresponding centring flanges Z8071/ Z8073 and adapted. Further mould modifications are not necessary. Retrofitting is quick, easy and cost-effective. Hydraulic or electrical interfaces to the injection moulding machine are not required.

The mould can be clamped in a few seconds without much effort. From the operator's side, the clamping lever is moved manually via a bayonet catch. The clamping by simply moving the lever instead of the time-consuming pressing or screwing to the clamping plate of the injection moulding machine reduces the set-up time considerably.

In addition, the company also manufactures special designs according to customer requirements, with and without tie bar recesses, up to a platen size of 796 x 696 mm. Designs such as variants with special screw-on or tempering holes are possible by arrangement.

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