Z120-300 Auto-Changing Cold Rolling Mills for Z Purlin

• Warranty: 1 Year
• Certification: CE, ISO9001
• Customized: Customized
• Condition: New
• Control Type: Motor Drive
• Automatic Grade: Automatic
• Model NO.: Z120-300
• Size: Z120-300
• Thickness: 1.2-3.0 mm
• Yield Strength: 450-550 MPa
• Material: Galvanized Steel
• Transport Package: 40hq*1+20gp*1
• Specification: 20T
• Trademark: Xiamen Liming
• Origin: Fujian, China(Mainland)
• Production Capacity: 50 Set/Month

Product Description

This Profile Drawing As Below Picture:

 

 

General Parameter

1	Item	Parameters
2	Size	Z120-300
3	Material	Galvanized Steel
4	Thickness	1.2-3.0 mm
5	Yield Strength	450-550 MPa
6	Feed Width	According to the profile
7	Forming speed	Approx.15 m/min
8	Roll Stages	16 Stages
9	Main Motor Power	30 KW (Servo Motor)
11	Shafts Diameter	ф75 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



B.  Pre-Leveling Device
The In-feed Section of the machine allows for variations in sheet width
Pre-Level Device with 4 over 3 shafts to remove the Coil-set



C.  Hydraulic Pre-cutting/straightening system
Sheet feeding guide section with width variation
Powered feed in rolls
Stop to Punch, stop to cut
Hydraulic Pre-shearing device, manual control, only for cutting the first piece and the end piece of the sheet

      

D.  Cold Rolling Mills
The feeding section with guide;
Gear/Sprocket driving, 16-step to form
Rollers manufactured from Cr12, CNC lathes,Heat Treatment.
Shaft Diameter=Φ75mm, Precision Machined,
Main driving motors 4 to run the rollers and sheet go forward, 30KW, frequency speed control, closed loop control
Max. Line speed of roll former: approx. 15 M/Min



E.  Innovative cutting system  
Stop to Cut, Post Cut, Slug breaker
Machine has 1 set of cutting blade for all type sizes.
For cutting different sizes, the operator needs to adjust the screws in the system.
Innovative cutting system,
Cutting tool material: Cr12Mov


 
F.  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



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

 

After-Sale Service

In correct operation & maintaining, the machine is guaranteed for one year since leaving our factory excludes the electric elements.
Installation:
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.