The first company to install the latest Rotocon Ecoline RDF 330 model is Impress Print Services, located in Durban. The company chose Ecoline after conducting a thorough investigation into offline finishing machines for digitally-printed labelling to complement its digital press’s capabilities.
‘We contacted Rotocon because of its well-established installation base in the local market, the company’s reputation for balancing value-for-money machine reliability and quality as well as a Durban-based service team of two technicians,’ said Suhail Agjee, co-director at Impress Print Services.
‘We started negotiations and soon realised that the team could meet our requirements, including matching the specifications and pricing of a semi-rotary print station (and including it in the RDF 330 design for the first time) to help us save on printing plate costs.’
The next generation Ecoline RDF 330 uses the latest servo motor and software enhancements available. The shape of the machine has been modified by rounding off any sharp edges and introducing a sleek, modern colour palette of grey and red (changed from white and red) to give them a polished visual facelift. The enhanced version has been upgraded according to customers’ feedback.
A first major upgrade of the RDF 330 is an automatic sheer knife slitting system that simplifies the normally time-consuming set-up and tweaking required when manually adjusting blades across more than three lanes. The operator can now enter the label sizes, gap sizes, and number of slits, then the system will automatically bring all the blades into the right position with the correct gaps.
The second upgrade, which has been in big demand from customers requesting a more affordable and efficient format, is a high-speed matrix stripping system. It ensures no web in-between the stripping shaft and matrix, preventing waste breakage and machine downtime. Additionally, a servo-driven motor enables ideal stripping tension, even in the presence of matrix coil diameter variations. This avoids any issues caused by special substrates or die-cutting complex label shapes.
The third upgrade is a dual-turret slitter rewinder. It has two spindles that save converters time by allowing them to finish a roll of labels directly on the RDF 330 in one pass versus two passes as was done on the previous RDF model and a separate rewinder. This is especially useful for short-run work of 1000 to 2000 labels specified per roll in a run of 10,000, for example.
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