Leading the roll forming industry since1989, Zheng Liming, your best choice.


XIAMEN ZHENG LIMING METALLURGICAL MACHINERY CO.,LTD conforms to the development trend of the industry, integrates internal superior resources, adopts the industry's cutting-edge manufacturing technology and production technology, and successfully creates C80-250 Automatic C Purlin Interchangeable Machine with excellent performance and reliable quality. And precisely because of the clear core selling point of C80-250 Automatic C Purlin Interchangeable Machine, not only does the product have a high reputation among customers, but also allows the product to have a high degree of intimacy among customers. For the growth and development of our company, XIAMEN ZHENG LIMING METALLURGICAL MACHINERY CO.,LTD will never stop upgrading and developing technologies to enhance our core competitiveness. Our vision is to become a famous enterprise in the global market.

Product Description

This Profile Drawing As Below Picture:
C80-250 Automatic C Purlin Interchangeable Machine

General Parameter
1 Item Parameters
2 Size C80-250
3 Material Galvanized Steel
4 Thickness 2.0-4.0 mm
5 Yield Strength 350-400 MPa
6 Feed Width According to the profile
7 Forming speed Approx.25 m/min
8 Roll Stages 22 Stages
9 Main Motor Power 40 KW (Servo Motor)
10 Hrdraulic group motor 30 KW
11 Shafts Diameter ф75/95 mm
12 Electric Standard According to local voltage

Machine Components
A.  5Ton*650mm Hydraulic Un-coiler
Hydraulic system to expand coil inner hole;Pump motor: 3KW ;
Frequency Inverter to regulate turn speed; Motor :3KW
Coil Inner-diameter= 470-560mm. Coil Outer-diameter Max. 1600mm;
Link-connect expanding system
Load Capacity: Max. 5 Tons; Coil Width Max. 650mm;
Hydraulic Holder on the top to hold the sheet, keep press all the working time, special design on the hydraulic group

C80-250 Automatic C Purlin Interchangeable Machine

B.  Pre-Leveling Device/Pre-punching
Sheet feeding guide section with width variation
Two steps of Powered feeding rollers, driven by SERVO MOTOR <SCHNEIDER>, Servo motor power: 7.5KW
Position of Servo motor move to between pre-leveling device to pre-punching device.
The In-feed Section of the machine allows for variations in sheet width
Pre-Level Device with 5 over 4 shafts to remove the Coil-set
Special punching system, it can control by two servo motor for every punching system. The below
Hydraulic group, Pump motor =30KW
Hydraulic group with accumulator to increase pressure
C80-250 Automatic C Purlin Interchangeable Machine

C.  Hydraulic Pre-cutting
stop to cut
Pre-cutting device, PLC control, purlin has bit open-up in both ends;
panel length min 2.0m.But last piece sheet have to min.3.5m

C80-250 Automatic C Purlin Interchangeable Machine

D.  Feeding Table   5 meter long

E.  Cold Rolling Mills
The feeding section with guide;
Gear/Sprocket driving, ( 20+2)-step to form
Frame stand Construction, H beam base ,with leveling bolts in the base to adjust the level
Rollers manufactured from Cr12, Heat Treatment.
Shaft Diameter=Φ75/95mm, Precision Machined, heat Treatment
Sizes Changing: Movable design of one side/Dovetail slot structure
By PLC control

-setting size in PLC to reach the size requested (incl.width, flange, lip)
-setting size in PLC to reach the size requested (incl.width, flange, lip)
Main Motor=40 KW (Servo motor)
Forming speed approx. 0-25m/min

C80-250 Automatic C Purlin Interchangeable Machine

F.  Hydraulic post Cutting
Stop to Cut, Post Cut
Innovative cutting system
Different cutting sizes adjustable by screw
Cutting tool material: Cr12Mov
C80-250 Automatic C Purlin Interchangeable Machine

G.  PLC Control System
Control the quantity, punching position & cutting Length automatically, and setting parameters for auto web/flank size changing
Cut-to-length for post-cut,
Combined with: PLC, Touch Screen ( SIEMENS ),Inverter (SCHNEIDER) , Encoder (Omron), etc
Closed Loop control,
Cut-to-length tolerance≤±1 mm
Control Voltage 24V
C80-250 Automatic C Purlin Interchangeable Machine

H.  Run-out Rack    6 meters, un-power

C80-250 Automatic C Purlin Interchangeable Machine
C80-250 Automatic C Purlin Interchangeable Machine

After-Sale Service

In correct operation & maintaining, the machine is guaranteed for one year since leaving our factory excludes the electric elements.
If installation is needed, WE will dispatch a technician to the buyer's factory abroad to assist regulating the machine with charge free. The buyer should assist US to get the Chinese technician's visa and should pay for the roundtrip air ticket and the local accommodation.
If installation is needed, the buyer shall make the following preparation before arrival of technicians.

Terms Of Trade
  1. Package & Shipment: Facility water-proof packing, Control cabinet packed in wooden packing.
  2. Payment: 30%payment by T/T is required as deposit within a week since the contract signing date.70% payment by T/T is required before the machine be send out of factory.
Basic Information
  • Year Established
  • Business Type
  • Country / Region
  • Main Industry
  • Main Products
  • Enterprise Legal Person
  • Total Employees
  • Annual Output Value
  • Export Market
  • Cooperated Customers

contact US


The first thing we do is meeting with our clients and talk through their goals on a future project. During this meeting, feel free to communicate your ideas and ask lots of questions.


They are all manufactured according to the strictest international standards. Our products have received favor from both domestic and foreign markets.
They are now widely exporting to 200 countries.


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