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


After years of painstaking research, XIAMEN ZHENG LIMING METALLURGICAL MACHINERY CO.,LTD’s technicians have successfully developed Automatic C Purlin Machine. After the Automatic C Purlin Machine was launched, most customers have given positive feedback, believing that this type of product meets their expectations for high-quality products. Research and development are the pillars on which the future of our company rests. XIAMEN ZHENG LIMING METALLURGICAL MACHINERY CO.,LTD will put more emphasis on improving our R&D strength in the future for developing more creative and competitive new products.

Product Description

This Producing Process Sketch As Below Picture:

This Profile Drawing As Below Picture:

Automatic C Purlin Machine
Thickness: 0.6 - 1.0 mm BMT, 0.7mm for inspection
Feeding width: 151mm
ZINCALUME / COLOR min. AZ 70 Yield strength: G550

General Parameter
1 Item Parameters
2 Model NO. C75 TRUSS
3 Material Galvanized steel
4 Thickness 0.6-1.0mm
5 Yield Strength G550
6 Feed Width 151mm
7 Effective width 151mm
8 Roll Stages 14stages
9 Shafts Diameter 75mm
10 Main Motor Power 15kw
11 Hydraulic Group Power 5.5kw
Max Line speed of roll Former 20-25m/min
13 Electric Standard According to local voltage

Machine Components
A. A hydraulic group is use to expand the de-coiler, move the coil car and lift the coil
Pump motor:3KW
Coil Inner-diameter: 500-510mm
Maximum coil outside diameter:   1200mm nominal
Taper wedge extend type (Note to fit for special hooks)
Load Capacity: Max. 5Tons
Coil Width Max. 600mm, can load three baby coils, 151mm*3
Retarding Motor to turn the coil, Motor: 7.5 KW
Up/Down stroke of Coil Car: Max. 350mm (Empty loading)
There should be some grooves on the car to allow packing strip go through
Foundation feet for both Un-coiler and the rails of Coil-Car
Maintain arm on the top, to avoid coil becomes loose when stop to be packed
The arm to be driven by pneumatic cylinder, manual control
The air supplier should be offered by the user
Inter lock: The mail shaft running only when the coil car at the lowest position
Snubber arm, connect with resistor to control coil turning speed automatically
Linear guide rail fix on base frame. Hydraulic power to drive the frame for
alignment,three baby coils alignment one by one.

Automatic C Purlin Machine
Automatic C Purlin Machine

B. Cold Rolling Mills
Entry guide device
Gear/Sprocket driving, 14-step to form; stands design
Rollers manufactured from Cr12+ heat treatment
Shaft Diameter=Φ75mm, Precision Machined
Main Motor= 15KW , Frequency speed control,
Max. Line Speed of roll former: 20-25m/min

Automatic C Purlin Machine Automatic C Purlin Machine
C . Hydraulic Cutting device
Stop to Cutting, Post Cut, and slug cut
Cutting tool material:  Cr12, Heat treatment
Pump motor =5.5KW

D. PLC Control System
Control the quantity & cutting length automatically
Combined with: PLC, Touch Screen (Siemens), Inverter(Schneider),
Encoder (Omron) , etc
Cut-to-length tolerance≤±2 mm
Control Voltage 24V
Guarding cover around the cutting device

E. PLC Control System
Control the quantity & cutting length automatically;
Combined with: PLC, Touch Screen, Inverter (SIEMENS),
Encoder (Omron), REMOTE CONTROL etc

Cut-to-length tolerance≤±2 mm
Control Voltage 24V

Automatic C Purlin Machine

Safety guarding system
Complete line safety guarding
Equipped with interlock switch control, safety model in control system

The following pictures for your reference only
Automatic C Purlin Machine

Automatic C Purlin Machine Automatic C Purlin 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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