Continuous self-cleaning screen changers for the production of film
Setting up and starting a continuous extrusion line intended for top quality applications is a highly demanding task – evaluations must be carried out concerning aspects as diverse as technology and structure and organization and cost effectiveness. Here are some useful tips resulting from our long-lasting experience in plastic extrusion.
TIPS FROM OVER-50-YEAR EXPERIENCE
Cofit has been dealing with research, designing, and manufacturing of different kinds of screen changers, mostly intended for plastic extrusion lines, for over 50 years. When a continuous extrusion line is started, taking key decisions is essential to make the difference between a profitable project and a problematic one.
Here follow 6 important pieces of knowledge we have achieved over the years. They focus on proper designing and managing of a continuous plastic extrusion line intended for the production of high-quality film.
1. SECTORS MOST CLOSELY INVOLVED IN PLASTIC FILM PRODUCTION
In the plastic extrusion sector, film production has risen markedly in recent years. Film products are increasingly required in sectors as varied as medical and food ones, in particular whenever characterized by high quality.
The growing interest in plastic film is due to plastic film production intended for high tech applications or items characterised by a high degree of innovation.
In such fields as food, medical, construction, pace of innovation is constant and production processes need to adapt as rapidly as possible. Therefore, availability of high-quality film turns out to be essential. For further details:
The industrial sectors with the highest demand for plastic film and the specific features of a screen changer intended for continuous extrusion lines for the production of high-quality film.
2. COST EFFICIENCY IN A CONTINUOUS PLASTIC EXTRUSION LINE
There are some basic rules to follow when designing a continuous extrusion line in order to minimize costs and keep high-quality film production sustainable. For further details:
3. MIXING VIRGIN RAW MATERIALS AND RECYCLED PLASTIC – WHY?
A shrewd selection of polymer characteristics and production processes is essential for the production of high-purity thermoplastic film.
In particular, mixing a percentage of low contamination recycled plastic with virgin plastic as raw material is often required; similarly, it is important to equip the extrusion line with a high-performing continuous screen changer to filter impurities and achieve top quality applications. For further details:
It is often necessary – and sometimes required by regulations in force – to provide for the use of mixed virgin and low-impurity recycled raw materials in plastic extrusion processes, mixing the two kinds of polymers adequately.
 CHOOSING SCREEN CHANGERS WITH NO MOTOR OR HYDRAULIC OR PNEUMATIC COMPONENTS
Whenever designing and manufacturing plastic extrusion systems intended for the continuous production of high-quality applications, screen changer is an essential component, which must not affect extrusion line efficiency with production interruptions due to maintenance or replacement interventions.
This is the reason why screen changers with no motor or hydraulic or pneumatic components represent the ultimate solution for continuous plastic extrusion systems intended for thermoplastic film, medical and food applications included. For further details:
5. CHOOSING COST EFFECTIVE INDEED TOP PERFORMING SCREEN CHANGERS
Production continuity and absence of process interruptions due to maintenance, cleaning and component replacement interventions are essential when assessing the efficiency of a plastic film continuous production system. The optimal screen changer features a simple design, is self-cleaning, never stops, is cost effective, indeed offering excellent performances. For further details:
When extruding plastic for the production of high-purity film, a cost-effective and maintenance-free continuous self-cleaning screen changer is essential to offer significant savings and end product high quality.
6. AP SERIES OPERATION – HOW THE OPTIMAL SOLUTION FOR CONTINUOUS EXTRUSION WORKS
All characteristics and specifications highlighted above are offered by a simple, highly performing, continuous, self-cleaning, sturdy, and cost-effective screen changer. Cofit AP series offers the optimal screen changer for the production of high-purity plastic film – the outcome of over-50-year research and manufacturing of screen changers intended for plastic extrusion. This is how AP screen changers work and how they prove to be an unrivalled solution for continuous extrusion line efficiency.
COFIT AP SERIES SCREEN CHANGERS
Cofit AP screen changers have been designed and manufactured for high-capacity continuous applications. AP series offers unrivalled ease of operation, sturdiness, and efficiency, besides downtime-free operation because AP screen changers do not require maintenance interventions at standard production cycle.
Cofit AP series outstands for low investment and low managing costs, which are remarkably lower than any other continuous and self-cleaning screen changer. Have a look at AP technical data sheet.
Cofit deals with research, designing, engineering, manufacturing, and distribution of continuous screen changers, either automatic or manual, intended for any industrial sector and process material, in particular BOPP and BOPET film. Contact us to see how a continuous screen changer can optimize your plastic extrusion process.