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Fully Hdraulic System And Fully Automatic CZ Purlin Machine

Design Idea:
Use Hydraulic hydraulic motor instead of normal power, that can save the working power , the size changing and C to Z changing driving by motor control by PLC , automatic adjustment method can let your stuff finished different specification Purlins.

Profile drawing for reference:

Standard sepcification: Width from 80-300 mm(3-11 inch) , Thickness from 1-3mm( 15-9 gauge ) , other specail size we can also customized.

Processing Flow

Uncoiling → Feeding And Leveling →Punching/Pre-Shearing→Roll Forming → Auto Cutting →Products Receiving Table

Fully Automatic CZ Purlin Machine To USA
Raw Material
Material thickness: 1-3mm( 15-9 gauge )
Coil width :150-500 mm adjusted
Machine Frame
Machine base frame is made of U beam weld steel. In the main roll forming machine, there are 2 buttons for urgency stop in case any malfunction happens.
Material Of Rollers
High grade 45# forged steel
Roller material: Cr12 CNC processing heat treatment to HRC: 58-60 ,finish turning
Forming Stations
Roller stations :20 rows
Diameter Of Shafts
Φ75mm solid
Material Of Shafts
40 Cr CNC processing HRC28-32 ,finish turning and electroplate
Forming Speed
Max 30 m/min
380v/50hz/3p (As Requested)
Transmission Way
By 1.5 inch chain
Hydraulic Power
30KW (WK series Hydraulic motor)
Cutting Blade Material
Gcr12 quenched treatment
Cutting Type
hydraulic post cutting
Sizes adjust by PLC control and button
C and Z section changing by PLC control



5T Manual Decolier For Free
Capacity:5 tons
Coil inner diameter:450-550mm
Feeding width: max 500mm
Structure: welded by the steel plates and profiled bar.
The shrink and expand of coil is automatic , Drive by Hydralic power.
Feeding And Leveling Device
There is an electric button here, which can automatically adjust the feeding width
Leveling rollers: 3 up 4 down
Roller material: Cr15
Roller diameter: 75mm
Feeding width adjustment: automatic by button
Make sure inputted steel sheet straight and neat and then roll forming process could be made accurate
Roll Forming And Transmission Device
Rollers material:Cr12 CNC processing heat treatment to HRC: 58-60 ,finish turning Roller stations: 21 rows , 12 unit roller
stations for C and Z changing. Shaft material:Shaft material: 40 Cr CNC processing HRC28-32 ,finish turning and electroplate Drive
by Heavy duty chains: 1.5 inch
Hydraulic Cutting Device
Material of blade: Cr12mov quench treatment
Length measuring: automatic encoder measuring,Tolerance of length is 3000mm+- 1.0mm
You can manually adjust the cutter to cut different sizes of c/z purlin. You do not need to change new blade and this cutter is easy to operate.
PLC control system
PLC brand:Delta(Taiwan) PLC, and transducer and touched screen
● Encoder brand:Omron
● Electrical components:Schneider
● Operating language:English and Chinese(or as requested)
You can set the orders on this part,changing product length and quantity,it is
really easy to operate,and there are aviation plugs to make it much easier to install the machine while it arrived.


1.Hydraulic Motor
Hydraulic motor, lower cost and lower power wasting .
2.Fully Automatic Changing
These motors can drive the machine frame, these motors control by PLC, so you just touch the screen , sizesing changing or C to Z changing can be controled automaticly.
3.Puching Unit With Hydraulic System
Station 1: Pre-Hydraulic shearing
Station 2: Bottom center holes punching
Station 3: Bottom double side holes punching
Station 4: Each side fleg holes puching