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HANGZHOU ROLL FORMING MACHINERY CO., LTD
Products   -   Roof   -   144 Roofing Machine
This metal roofing machine is designed for continuously rolling and cold-forming steel sheets. It adopts steel sheet as the raw material, decoiling, continuously rolling and cold-forming, then automatically cutting the sheet to specified size and conveying the finished panel to the runout table. This roll forming machine is an energy-saving and highly-effective production equipment for steel structure.

Technical Parameter
Item Parameter Remark
Material Type Galvanized sheet
(mm) 914/1219
Thickness (mm) 0.35-0.7
Yield strength (MPa) 550
Coil capacity (T) 5
Forming speed (m/min) About 20-25 According to actual design
Roller material No. 45 steel Hard chrome plated
Roller shaft diameter (mm) About 86 According to actual design
Cutting mode Hydraulic cutting
Power source Type 380V / 3PH / 50HZ
Main motor power (kW) About 9 According to actual design
Total power (kW) About 20 According to actual design
Machine dimensions See the layout


Component List
Item Quantity Description
Decoiler (capacity: 5t) 1 set Structure: cantilever-type. Expansion mode: hydraulic. Releasing mode: hydraulic. Light control and coil car.
Main machine Guiding device 1 set
Roll forming system 1 set 1. Material of roller: No. 45 steel with hard chrome plated surface. 2. Inner support structure of roller: guiding column. 3. The back/forward movement of roller is driven by chain, and its upward/downward movement is driven by gear.
Post-cutting device 1 set Cutting blade material: Cr12 with quenching treatment.
Runout table 1 set For supporting the finished panels. Loading capacity: 2T. Max. loading : 200mm.
PLC control system 1 set 1. Operation: screen and buttons. 2. Mitsubishi brand.
Hydraulic station 1 set Well-known Chinese brand.


Component Detail
1. Decoiler (with light control)
Max. loading capacity (t): 5
Material width (mm): 1250
Coil ID (mm): Φ508 / Φ610
Coil OD (mm): Φ1350


2. Guiding device
a. It adopts guiding bar and sliding block to control the width and position of the steel sheet.
b. The sheet is guided in the correct position and moves to the roll forming equipment.


3. Roll forming system
a. Machine frame: welding structure with blasting treatment.
b. The roller is made of high quality No. 45 steel with hard chrome plated surface.
c. Inner support structure of roller: guiding column.
d. Back/forward movement of roller is driven by chain, and part of the upward/downward movement is driven by gear.
e. Manually adjust the screw bar to adjust the distance between upper and lower rollers for sheets with different thicknesses.
f. Number of roller stations: about 27.




4. Cutting device
a. Cutting blade material: Cr12, quenching treated.
b. Welded frame for enhanced rigidity.
c. The power of cutting is supplied by the hydraulic station.


5. Runout table
a. For supporting the finished panels.
b. Loading capacity: 2T.
c. Max. loading height: 200mm.


6. Electric control system
a. PLC control and frequency speed adjustment help realize automatic production.
b. Human and machine interface facilitates the setting of plate length, quantity, etc.
c. Encoder is designed to calculate and measure the length of panels.

7. Hydraulic station
a. The hydraulic station provides power for cutting.
b. Decoiler and main machine use separated hydraulic stations.
c. Main valve: well-known Chinese brand.

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