Guardrail Machine
1. Main specification
1.1 Material
Raw material:
Material to be roll formed:Q215,Q235A, strip.
the vertical accuracy: 1.0mm/m
Thickness : 2.0-3.0mm
Width: Max 480mm;
Inner diameter of coil: 508±20 mm
Outer diameter of coil: 1200mm
Weight of coil: 3T
Dimension of whole line: 16000mm×1800mm×1400mm
1.2 Specification:
Profile

Tolerance of cutting length: ±2mm
Roll Forming Rate: 3-10M/min
Power Voltage: 380V±10%;50HZ
2. Work-flow:
Loading coil--hydraulic uncoil--leveling and feeding---punching---feeding to roll forming---roll forming ---cutting ---run out sheet
3.Equipment structure description
3.1 Hydraulic Decoiler
Function: to support and release the coil
The frame is welding by H-beam,gearbox drive,brake device.
Data: Capacity of loading 3T
Motor: 1-2.2kw
Inner diameter of shaft: 508mm
Outer diameter of coil: Max 1200mm

3.2 Leveling and feeding device
Function:release the head of coil and tow to the leveling device ,making the coil straight for the different width. Servo-motor drive ,feeding for step by step, and the tolerance of feeding is ±0.2mm
Data: Thickness of coil : 2.0-3.0mm
Width of coil: Max 480mm
3.3 Punching device
Function:To punch the hole for connect and installation
Structure:Hydraulic driver, two molds punch the hole exactly
Data: Thickness of coil : 2.0-3.0mm
Material of punch: Cr12
3.4 Feeding roller
Function:to feed the sheet after punching and cutting to roll forming machine,motor driver
Structure:The frame is welding by H-beam,the roller material is coated Cr(Zn),motor driver
Data:Thickness of coil :2.0-3.0m,width 500mm

3.5 Roll forming machine
Function:Roll forming for the profile of guardrail
There are two style for choose:
Style one:
Use independent frame (nodular cast iron) for high accuracy forming, and the stands can be changed easily
Date:Forming step: 17-step form
Diameter of shaft:f90mm Material of roller:GCr15
Space from one stand to another:Approx 480mm
Line: 3~10m/min
3.6 Cutting device
Function:To cut the coil for the right length
Structure:hydraulic driver,measure the length automatically,cut automatically,Also control by hand.
Data: Thickness of coil : 2.0-3.0mm
Material of punch: Cr12
3.7 Run-out table
Function:For the run-out formed sheet
Structure:The roller is coated Cr (Zn)
Data:Thickness of coil :2.0-3.0m,width 500mm
3.8 Hydraulic system
Function:To use the punching and cutting device driving
Describe:The main control component adopt the famous brand (Italy ATOS),oil tank adopt the China famous brand
Pressure system : 0~16MPa
3.9 Electric control system
The whole line use the PLC control,LCD,Control the quantity, cutting length automatically with the airthmometer, it is operated by auto or manual
3.9.1 M/C controlling
The motor speed of M/C is adjusted by transducer; give an alarm when there are troubled.