The CZ Steel Roll Forming Machine is a professional automated production equipment designed for manufacturing both C-shaped and Z-shaped steel sections—core components widely used in modern steel structure projects. As a pivotal device in the global metal processing and construction materials industry, it adopts advanced cold roll forming technology to process metal coils (such as hot-dip galvanized coils, cold-rolled coils, color-coated coils, and zinc-aluminum-magnesium coils) into high-precision, high-strength CZ steel sections with uniform dimensions. Widely adopted in global commercial, industrial, and residential construction projects, this dual-purpose machine plays an irreplaceable role in improving steel structure production efficiency, reducing costs, and enhancing project stability.

Its working principle is based on continuous cold roll forming without high-temperature processing, which avoids material deformation, performance degradation, and energy waste caused by heat treatment. The entire production process follows a seamless automated workflow: starting with steel coil loading, followed by uncoiling, precision leveling, step-by-step roll forming, quick type switching (C-shape to Z-shape or vice versa), fixed-length cutting, and finally outputting finished CZ steel sections. This continuous and dual-purpose production mode ensures consistent product quality, high production efficiency, and strong flexibility.

Working flow

Uncoiling → Feeding material into machine →Leveling → punching and pre-shearing →roll forming →Products receiving table

Purlin specification

6 ton double head hydraulic decoiler

Capacity: 6 tons each side

Type: Active

Coil inner diameter:450-550mm

Feeding width: max 500mm

Structure: The shrink and expand of coil is automatic , Drive by Hydralic power.

Press Arm: pressing the steel coil avoid the coil expand

Feeding and leveling part

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

Punching and pre shearing part

Punching unit with hydraulic system;

Punching mold:Gcr12 quenched treatment

Station 1: Bottom center holes punching

Station 2: Bottom double side holes punching

Station 3: Bottom double side holes punching

Station 4: Bottom double side holes punching

Station 5: Pre-Hydraulic shearing

Mian roll forming part

Roller material:

Cr12 CNC processing heat treatment to

HRC: 58-60 ,finish turning

Roller stations :22 rows

Diameter of shafts:Φ75 mm solid

Material of shafts:40 Cr CNC processing

HRC28-32 ,finish turning and electroplate

Forming speed: max 37m/min

Voltage: 380V/50HZ/3P (as requested)

Transmission way :

Double chains + shaft end support

Servo motor power: 42 Kw

Sizes changing:  by Laptop / Electric button

C and Z purling change : By manual

液压站

Punching and shearing use the same one hydraulic tank.

Tank volume: 300 liters

Hydraulic oil: 46#

Hydraulic station power: 15KW + air cooler

Separated Electric Cabinet

PLC: Panasonic (Japanese),

Touch screen:Weilan (Chinese famous),

Proximity switch: Autonics (Korea),

Encoder:Omron (Japanese )

Received table

Length: 6 meters

The frame body is welded with channel steel and angle steel, and the roller is installed on the surface

视频

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