The automatic OPM machine is designed to make collars of different diameters Ø27- Ø32- Ø42- Ø48- Ø60 and with holes of diameter Ø11. The processing material is galvanised iron sheet with a thickness of 2.5mm. Productivity is expected to be about 1 pc every 10 seconds.
The machine, which complies with CE regulations, consists of a base, feeder and rectifier, special hydraulic power unit, lubrication system, pneumatic system, work unit for drilling, cutting and forming, ejector, electrical panel, PLC with dedicated software to manage and optimise the work process and sensor system to detect the operating status.
From the feasibility study carried out, the work sequence is as follows:
First of all, to proceed, the mould dedicated to the production of the specific collars is mounted on the hydraulic unit, and the production data are entered into the PLC (For example: the type of collar to be produced, the length, and the quantity to be produced are established). As soon as the START button is pressed, production starts automatically from coil.
The strip passes through a feeder/rectifier and advances to the dedicated unit where the processing is carried out. After that, the cut and perforated strip passes under the hydraulic unit where the particular shape of the coil is made, and finally the coil is automatically ejected.
The machine works automatically until the production cycle set at the PLC is completed.
The machine has interchangeable moulds, so each shape will have a dedicated mould, which must be mounted on the hydraulic unit. As result, collars of different diameters can therefore be made, allowing variety in production.
The brain of the machine is the PLC, which manages and optimises production, interfacing and connecting the various parts of the machine and moving parts, as well as managing the active safety and detection sensors.
To proceed with production, the technical characteristics of the product must be set from the PLC, and it is then possible, with optional software (Industry 4.0), to monitor the production data and status of the machine in real time on your computer. Once the data has been set to the PLC, pressing START starts production and proceeds automatically from coil.
The production data is stored in real time, so if the coil runs out, the machine stops and communicates the emergency, and when production is resumed, it is restored from the last piece produced, thus completing the previously set production cycle. Most importantly, the machine is also equipped with photocells that monitor the actual production of the collars.
The machine incorporates a specially designed electrical panel that allows all electrical peripherals to be centralised by concentrating the power and control units in a single dedicated cabinet. This allows easy maintenance and immediate diagnostics in the event of a technical intervention.
The system is equipped with an emergency button to stop the machine at any time.
The active and passive safeties protect the operator during processing, certifying the machine CE safe to access the benefits of Italian and European law.
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