Injection molding machines
High-quality wiring harnesses for the automotive and industrial sectors. We design, prototype, and manufacture wiring harnesses in accordance with the highest standards of reliability and safety.
AC S.A. operates state-of-the-art production and assembly lines. Our goal is to achieve self-sufficiency in the production of autogas systems. To this end, we continuously invest in new machinery, stay up to date on the latest equipment available on the market, and train our employees in techniques considered to be the future of automotive manufacturing. The Plastics Division of AC S.A. is also developing at a similar pace.
The Plastics Department is equipped with a fleet of injection molding machines capable of processing materials such as polyamides, polystyrenes, polypropylene, as well as two vulcanizing presses for vulcanizing rubber compounds on vulcanizing molds, and extruders for insulating sleeves with inner diameters ranging from 2 mm to 20 mm. This machinery ensures the fulfillment of the Company’s internal needs and enables it to offer outsourcing services.
The Plastics Department uses five injection molding machines from the renowned Austrian brand ENGEL. These machines have the following specifications:
- ENGEL 90 injection molding machine with a 250 cm³ cylinder and a maximum clamping force of 90 tons (900 kN)
- ENGEL 28 injection molding machine with a 90 cm³ cylinder and a maximum clamping force of 28 tons (280 kN)
- ENGEL 40 injection molding machine with a 130 cm³ cylinder and a maximum clamping force of 40 tons (400 kN)
- ENGEL 50 injection molding machine with a 133 cm³ cylinder and a maximum clamping force of 50 tons (500 kN)
- ENGEL 60 injection molding machine with a 154 cm³ cylinder and a maximum clamping force of 60 tons (600 kN)
The machines are equipped with peripheral devices such as thermostats (for mold cooling) and dryers for plastic pellets. The entire system is cooled using external chillers from Piovan (thermostats) and Green Box (injection molding machines). The thermostats used in the department operate from 35 to 150°C (water-based), and we have one oil-based thermostat operating up to 300°C. We use hot runner systems in the molds. We have three controllers for this type of system (2 units – 6-channel and 1 unit – 12-channel). To load injection molds, we use a gantry crane with a maximum lifting capacity of 1 ton (1,000 kg).
In addition to injection molding machines, the department is also equipped with vulcanizing presses. These are used for the vulcanization of EPDM and FKM rubber compounds—based on synthetic rubber. AC S.A. owns two machines manufactured by Pronarplast Żywiec—the CHAP XLB-1000 model, which operates with a Siemens PLC touchscreen.
These presses are primarily used in the production of fittings, bushings, and covers, as well as gaskets and rings that are particularly exposed to high operating temperatures and oils.
Hydraulic presses for the vulcanization of rubber compounds. We have two such machines, the CHAP XLB-1000, manufactured by Pronarplast Żywiec. They feature a touchscreen with a Siemens PLC control system. The types of compounds used are EPDM and FKM. All are based on synthetic rubber. Production primarily includes fittings, bushings, and covers, as well as gaskets and rings particularly exposed to elevated operating temperatures and oils. The maximum clamping force achieved by the machine is 1000 kN (100 tons) at a maximum pressure of 23 MPa.
The machines’ specifications, designed in this way, ensure that their operation is precisely tailored to the Company’s production requirements, while also providing a flexible foundation for fulfilling external orders.
AC S.A. also has single-screw plastic extruders in its inventory. Two such machines process PVC and PE (polyethylene), supporting production processes. Special water baths are installed on the extruders to cool the product as it exits the heated barrel. The extruders operate in a closed-loop water system, cooled by an external GWK chiller. The machines feature four heating zones, where the heater temperature can reach up to 190 degrees Celsius.
With a screw speed ranging from 8 to 100 revolutions per minute, the operator can achieve an output of between 10 and 50 kg per hour. The PVC sleeves produced are used in a subsequent stage of the manufacturing process to produce cable harnesses.
The product range varies in diameter from 2.5 mm to 23 mm, while the wall thickness can range from 0.4 mm to 3 mm.
Based on the above description, it can be concluded that AC S.A.’s machinery fleet largely ensures the Company’s ability to independently manage its production processes. We make every effort to ensure that the components we order from external manufacturers meet our own rigorous quality standards—so that any device or system bearing the STAG mark can be considered an excellent product, reliable and user-friendly. The Plastics Department certainly contributes to building our company’s reputation.
Wire Harnesses
Design and manufacture of harnesses for the automotive, home appliance, and industrial sectors. Consistency, reliability, and complete documentation.
EMS
Automated SMT lines, precision circuit assembly, testing, and comprehensive quality control—from prototyping to mass production.
Laboratories
Access to the Research and Development Center: environmental testing, EMC, automotive testing, dynamometers, and certifications.