SX20 hot selling CZ interchanging multi-size purlin roll forming machine automatic size changing C to Z

$55,000.00 / Set | 1 Set (Min. Order)
Model Number:
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Shipping fee:
Depends on the order quantity.
Lead Time:
60 day(s) after payment received
Customized packaging (Min. Order: 1 Sets)
Customized function (Min. Order: 1 Sets)
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Quick Details
Applicable Industries:
Building Material Shops, Manufacturing Plant, Construction works 
Cold Rolling Mill
Place of Origin:
Fujian, China
Brand Name:
1 Year
After-sales Service Provided:
Free spare parts, Field installation, commissioning and training, Video technical support, Online support

Packaging & Delivery

Selling Units:
Single item
Single package size: 
10500X1600X1900 cm
Single gross weight:
9500.0 kg
Package Type:
Picture Example:
Lead Time :
Quantity(Set) 1 - 1 >1
Est. Time(days) 60 To be negotiated
Product Description

1. purlin specification

1) material: cold rolled coil, hot rolled coil, galvanized coil

2) yield strength: Q195Mpas /Q235, Q 345 should below 2.5mm thickness.

3) NOTE: Punching holes can be designed according to customer's request.

4) Thickness 1.0-3.0mm 

5) Product Spec

Variable size C

-Width in Any size within 80-300mm

-Height in Any size within 30-80mm

-Lips in Any size within 10-20mm


Variable size Z

-Width in Any size within 120-300mm

-Height in Any size within 30-80mm

-Lips in Any size within 10-20mm

Z profile Inner Angel: 135°and 90° changeable

6) U profile is additional function, the profile is depending on the coil thickness and strength, the thickness up to 2.0mm, the profile would be better.

7) Inner angle: R2

8) Coil width Calculating formula

Coil width
300+2*80+2*25-4*1.75*3= 489mm
300+2*80+2*25-4*1.75*2= 496mm

*Note: Width + (height*2) + (Lip*2) - (4*inner angle*thickness)

9) For Z profile, unequal height can be produced.

2. Machine Components

1) Manual De-coiler ------------------------------------------------------------------------------------------------------------------------------------------------------- 1 set

2) Feeding and leveling device -------------------------------------------------------------------------------------------------------------------------------------- 1 set

3) Pre-punching system ------------------------------------------------------------------------------------------------------------------------------------------------- 1 set

4) Pre-cutting system ----------------------------------------------------------------------------------------------------------------------------------------------------- 1set

5) Roll Forming System--------------------------------------------------------------------------------------------------------------------------------------------------- 1 set

6) Hydraulic Cutting ------------------------------------------------------------------------------------------------------------------------------------------------------- 1 set

7) Product support frame ----------------------------------------------------------------------------------------------------------------------------------------------- 1 set

8) PLC Control System --------------------------------------------------------------------------------------------------------------------------------------------------- 1 set

9) Hydraulic Station -------------------------------------------------------------------------------------------------------------------------------------------------------- 1 set

3. Flow Chart

De-coiler - Feeding and Leveling device - Pre-punching system - Pre- cutting system - Roll Forming System - Post Cutting - Hydraulic station - PLC - Cutting Product Support

4. Technology Parameters

The weight of the machine: approx 9.5T

The total dimension of machine: (length) 10.5m x (width) 1.6m x (height) 1.9m

1) De-coiler (manual)

 De-coiler Type: Manuel de-coiler

 Weight capacity: 3.0T

 Diameter of inner: 460-620mm

 Diameter of outer: 1400m

2) Feeding and Leveling Device

 Material: GCr15, it used for making the material flat before feeding into the roll forming machine.

 3 groups for upper and 4 groups for down.

 4 shafts station for feeding

 6 rollers for guiding

 Shaft Material: 45# Steel

 Roller material: Cr12

 Guider rollers: it is moved by manual handlebar.

3) Hydraulic Pre-Punching Station

Pre-punching system, can be punched on the web and flange.

Punching Type: Hydraulic Punching

 Punching material: Cr12

 Punching die: Cr12

 Punching quantity: Standard 3 punching station, can be added.

 Adopt welded steel frame, it has great rigidity.

 Distance of the hole can be adjusted manually by handle bar (Transversal) ; Longitudinal position is to be adjusted by inputting parameters into the PLC.

 punching sizes:14mm, 16mm ,26*14mm,26*16mm.

 punching size can be designed according to requirements.

 Punching bar and punching die (hole size) can be changed.

4) Pre-cutting system --- Main cutter when use pre-cutting model

 Adopts post cutting, the cutting blade material is Cr12 with quenched treatment, after cutting, there is no wasted material.

 Adopts welded frame for good rigidity.

 The power of cutting is provided by hydraulic station.

 Cutting controlled by PLC

5) Roll Forming System

 Main motor type: 3 phase asynchronous motor

 Driving Type: 20A double Chain

 Main motor power: 18.5KW*1 set

 Speed of forming: 12-18m/min (30m/min without punching holes)

 Roller: 19groups rollers. Main rollers of this line are made by Cr12 mould steel material, Longer life than Gcr15.

 Roller Thickness: 30-60mm 

 Roller diameter: 270mm

 Shaft: Shafts of rollers are tooled by grinding machine for two times to ensure the precision of the final product.

 Diameter of main shaft: ø55-75mm

 Material of main shaft: NO.45 steel (The main shaft has the high frequency grinding &heat Treatment and the surface of shaft is chroming)

 Changing sizes: Automatic, change sizes by electrical, change 80mm size to 300mm takes 2 minutes.

 Adjust the screw pole manually to adjust the distance between upper and lower rollers to form different thickness product.

 Quick Change from C to Z

 There are two Straighten station between forming station and post cutter. those can adjust profile twist, camber to correct profile. 

6) Post-cutting system

 Cutting material: Cr12

 Cr12MoV Cr12(total three blades)

 Hydraulic motor power: 7.5KW

 Hydraulic Pressure: 16Mpa

 For C and Z profile cutting

7) Product Support Frame

 The length of product support frame: 6m

8) PLC Control System

 Control the quantity &punching length & cutting length automatically

 In English

 The Machine will be stopped while it is punching and cutting

 PLC must be able to keep in memory which profiles are "inside" the machine even after the machine is stopped.

 Automatic Length measures and quantity counting.

 Program batches with different profile lengths with no waste

 Voltage: 380V, 3 Phase 50Hz

 Size of PLC Control Board(700mm(L)x1000mm(H)x300mm(W))

 Encoder: OMRON

 PLC manufacturer: PANASONIC Solenoid valve: SCHNEIDER

 Oilhydrauliccylinder: TAIWEI Touch Screen: WEINVIEW(TAIWAN)

 All connections to the machine and to PLC Control Board are strong

9) Machine Colors

 Dark grey on the base (RAL 7011)

 Blue on the towers (RAL 5015)

Packing & Delivery

The machine will be ready within 90 days from receipt of down payment as well as approval of sales contract, technical scheme and profile drawing. The shipment will be made within 10 days after the seller receives the balance by T/T.

Packing & Transportation: Nude packing, suitable for ocean transportation

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