PRESMA is organized internally so as to be independent in all phases of the design, of the most important mechanical processes, up to the testing of the plant right to after-sales assistance
PRESMA SpA, in the sector of injection moulding machines for thermoplastics since 1937, produces over 100 models with closing forces from 60 to 6000 kN, mould holder plates with dimensions up to mm. 1860×1860, versions with modular closures with 1, 2 or 3 stations and rotary ones with 2 to 20 stations; opening moulds horizontally or vertically; punching or transfer screw injector assemblies, multicolour, for structural foam or bi-component (sandwich structure). Since 2010 it has also offered horizontal and vertical injection machines, with and without columns, single and multiple moulds, for the production of solid and liquid rubber and silicone articles. The machines produced for the specific rubber sector are represented by special versions made to customer specifications. For over twenty years, production has been 100% to order and concentrated on special systems created to customer specifications; for this reason a large commitment is reserved for research and development which guarantees the company a constant “market share”.
The company is made up of around fifty employees and is organized internally so as to be independent in all phases of the design of all the components, of the realization of the order including the most important mechanical processes, the manuals, up to the testing of the plant; an online and on-site after-sales technical assistance service completes its range of services.
The most important achievements of the last decades are represented by:
• Rotary injection machines from 6 to 20 stations for the moulding of ground PVC coming from the recovery of disused electrical cables. For the road construction sector, these rotary machines are used for the production of road cones and bases up to 40kg. to support the signage. Versions equipped with special injector groups are used for the production of road barriers and cable trays with recycled PP covers, the latter as an alternative to concrete. All these articles have large thicknesses, even more than 10 mm and require a long stay inside the mold for optimal cooling; they are therefore difficult to print with traditional single-station machines
• Range of hybrid and totally electric machines specific for the injection moulding of expanded thermoplastic resin caps as an alternative to cork for wine, sparkling wines and T-shaped caps for spirits
• Rotary injection machines with 8 to 18 stations for moulding bases for household and industrial brushes and brooms in semi-expanded recycled thermoplastics
• 8-station rotary machine with vertical clamping for moulding solid silicone articles; always for this material, for the same customer, in the last 15 years a series of particular vertical static versions have been produced and the largest was a 1600-ton clamping press without columns equipped with n. 3 injectors designed for coating bars up to 4 metres in length.
• Rotary machines with 8 working stations with vertical closure and equipped with two vertical punching screw injection groups specific for the production of industrial wheels in PU or TR for the tread and Nylon or PP for the hub served by a robot for piece translation, insert loading and differentiated unloading of the different articles
• Automated moulding islands for the production of screwdrivers with handles in three/four thermoplastic materials; handles for brushes and various multicoloured grips.
