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79003 Roll forming line for fence posts
Production line of uprights and traverses for protections - fencings for sites. Punching is carried out in line to allow the joint between traverses and uprights. It is possible to work also pre-painted strip (round tubes). The upright for pedestal is particularly complicated due to thr three fixing points on three sides (upright 60x60). The cut is with slow disc to avoid deformation and burrs.
Technical data
| Decoiler capacity: | 3 ton |
|---|---|
| Coils internal diameter: | 500 mm |
| Useful width: | 600 mm |
| Line speed : | approx. 7/8 m/min |
| Material: | Fe, Galvanized, Pre-painted |
| Sheet maximum thickness: | 1,5 mm |
| Installed power: | 43 kW |
| Absorbed power: | 35 kW |
| Air consumption: | 500 NI/1 |
Machine configuration
It is a motorized decoiler (or idle on request) with the capacity of 3 tons. Complete with hydraulic power pack and independent electric plant. Hydraulic unit for the spindle regulation, an electric plant for the automatic / manual mode and for the speed regulation. Complete with loop, arm for the loop control, and spokes to maintain the strip in the correct position.
Technical data
| Decoiler capacity | 3 | ton |
|---|---|---|
| Shaft diameter (min/max) | 470/530 | mm |
| Coils maximum external diameter | 1800 | mm |
| Motorized AC decoiler with inverter | 4 | kW |
The 3 mm thickness heading and welding group performs a first locking of the strip to be processed with the first vice, then cuts the entering strip and blocks it with the second vice, after facing heading operation by the operator. Now starts the automatic welding, after which the vices unlock and the line can continue in automatic mode. As an option, it is possible to have the welding unit with n° 1 couple of motorized exit rolls (pinch-roll) with pneumatic lifting of the upper roll, n° 2 couples of motorized rolls (1 in entry and 1 in exit), with pneumatic lifting of the upper roll, and it is also possible to have as an option n° 3 sheet accompanying rolls
Technical data
| Maximum width | 200 | mm |
|---|---|---|
| Welding unit electrical absorption | 43 | amp |
| Material | Fe, galvanized, pre-painted, inox | |
| Material minimun thickness | 0,3 | mm |
| Material maximum thickness | 1,5 | mm |
| Shear | electric | |
| Blocking vices | included |
This bench consists of a welded mainframe above which there is a machined platform. The interchangeable, hydraulically controlled punching and notching units are installed above this platform. The punching heads are manually adjustable on the width (x axis) by means of hand-wheels. These units are independent and equipped with specific controls and adjustments that can be included or excluded depending on the model to be done programmed.
The roll forming machines PMR type offer great precision in processing, assembly and execution system; it is always possible to insert additional modules to increase the number of available forming stations. These modules are robust (the heads are made completely from steel), simple and fast adjustment and quick change with cassettes, connected on reducer gear.
Technical data
| Roll forming shaft diameter | 60 | mm |
|---|---|---|
| Roll forming useful width | 500 | mm |
| Roll forming passages | 24 | n° |
Spot welding machine for sheet metal welding. It is installed in line so that it can work at the same time as the roll forming machine. This model executes a spot welding every 400 mm.
It is a set of forming rolls, made of tempered and rectified steel to make the profile required by the customer. The series of rolls is characterized by high precision and durability. Their function is at the heart of the whole plant; for this reason PM follows with particular precision the whole development (the whole process of roll-making is executed internally).
The fixed cutting saw with slow disc is made up by a welded structure on which we find the saw. This final cutting system is mainly used when the profile cannot be cut by a hydraulic die. The movement is electric, and the management of the parameters is executed directly from PLC.
The whole electric installation is intended here. Electric cabinet, cable channels, control desk and software for the management of the line parameters, all according to the highest standards of quality and efficiency.
L'impianto idraulico è necessario nelle operazioni di taglio e nelle unità idrauliche di punzonatura o scantonatura. È composto dalla centralina (di potenza tale da soddisfare tutte le lavorazioni), dai collegamenti meccanici (tubature e valvole) e dal software di controllo e gestione.
Series of wire mesh, infrared photocells and sensors for the protection of the operators. They are installed on the line to avoid any accident that could cause physical damages to the operators