Automatic Column Steel Silo Forming Machine For Highway Guardrail

1. Composition of machine

Roll forming main machine: 1 unit
Cutting system: 1 unit
Punching system: 1 unit
PLC control system: 1 unit
Hydraulic station: 1 unit

2. Details of each composition

Roll forming main machine
a. Coil width: 247mm
b. Working speed: 12m/min
c. Roll station: 15 stations
d. Material of roller: Gcr15 forge steel, polished and coated with hard chrome HRC58-60
e. Material of main shaft: 45# steel, diameter roller is 100mm
f. Main power: 37kw     
g. Forming thickness: 3-4.5mm galvanized steel or metal sheet
h. Transmission: by gear (surface of the gear HRC 50-55)
i. Dimension of the body machine: 11000*1000*1200mm
j. Weight of machine: about 10000kg

Cutting system
a. Machine adopt hydraulic after cutting
b. Cutting after forming: cut the sheet after roll forming to required length
c. Cutting motion: the main machine automatically stops and the cutting will take place, after the cutting, the main machine will automatically start
d. Material of blade: CR12with heat treatment
e. Length measuring: automatic length measuring
f. Tolerance of length: 3m +/- 1.5mm

Punching system
a. Base on customer profile this machine need one punching unit
b. Machine will adopt hydraulic pre-punching
c. Punching mold material: Cr12
d. Punching pressure: 20Mpa
e. Punching distance is controlled by PLC control system

PLC control system-Panasonic
a. Voltage, frequency, phase: 380V, 50HZ, 3Phase
b. Automatic length measurement
c. Automatic quantity measurement
d. Computer used to control length & quantity, machine will automatically cut to length and stop when required quantity is achieved
e. Length inaccuracy can be amended easily
f. Control panel: button type switch and touch screen
g. Unit of length: millimeter (switched on the control panel)

Hydraulic station
a. Hydraulic station power: 5.5kw
b. Hydraulic pressure: 20Mpa

3. Character of main structure

Main features
a. The structure is simple and the appearance of the machine is beautiful because we adopt the shape-steel structure and process as a whole after welding. it has the ability of strong loading and stable operation when running the machine
b. All the components of machine are from brand-famous enterprise so that they ensure the machine normal function very effectively
c. It is very easy to install the equipment and suitable for producing in the factory.
d. The machine has features of low noise and high efficiency

Technological process
Feeding by manual - Leveling the sheet - Punching - Roll forming - Cutting - End product