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Door Frame Roll Forming Machine


Door frame roll forming machine is designed to roll the cold rolled galvanized sheets with the thickness from 0.4 mm to 1.5 mm. This cold roll forming line consists of hydraulic uncoiler, leveler, servo feeder, punching device, roll forming unit, fly shearing, run-out table, hydraulic station and electric control cabinet. The hydraulic station of Rontech door frame roll forming machine adopts accumulator and PLC controller to generate a fast punching and shearing speed. When this cold roll forming line runs automatically, the maximum speed can reach up to 20 m/min with a stable and reliable performance. Door frame roll forming machine is equipped with a double cantilever rack that is beneficial to improve the efficiency when changing steel coils.

Working Flow of Door Frame Cold Roll Forming Line

Decoiling – Leveling – Punching – Roll Forming – Shearing – Run-out Table

Technical Specifications of Door Frame Cold Roll Forming Line

Raw Material Item Parameters Remark
Material Type Cold rolled steel or galvanized steel sheet Special material shall be tested before finalization.
Thickness 0.6 mm to 1.0 mm Big range of thickness may cause forming dimension tolerance.
Yield Strength Q235
Production Profiling Section As per customer’s requirement The basic element for quotation
Machine Material Roller Material Gr12 HRC58-62
Shaft Material 40Cr
Rolling Station Wall Material QT470
Feeding Rollers 9Cr2Mo or GCr15 HRC-55-60
Shearing Blade Material Cr12Mov HRC-58-62
Punching Die Cr12Mov HRC-58-62
Machine Power Requested Decoiler 1.1 KW For three tons
Leveling 3 KW
Servo Feeding 3 KW Tolerance ± 0.15 mm
Roll Forming 11 KW
Machine Speed Linear Speed 40 m/min
Forming Stations Quantity of Rolling
14 stands and 2 side rollers Cassette design is advised.
Pressing Press Depend on hole size Interchangeable die
Transmission Gear box or chain
Straightening Roller Straightening 4 rollers
Shearing Fly Shearing Precision ± 1.5 mm / 6000 mm
Product Supporter Discharging Table 6 meters / 9 meters / 11.8 meters As per customer’s requirement
Hydraulic System Valve and Pump Brand can be optional.
Controller System PLC Mitsubishi or same level
Coil Car Coil Car 3t or 5t optional
Rontech Imp & Exp Co., Ltd is a subsidiary company of Zhejiang Jinggong Science & Technology Co., Ltd. Jinggong is a drafter for the standard of steel structure material machinery and textile machinery. Based on the support from our holding company, Rontech specializes in offering door frame roll forming machines for customers all over the world. In addition to this cold roll forming line, we also supply high frequency welded pipe mill, sandwich panel line, steel coil slitting line, cut to length line, metal working machinery, shot blasting machine, metal coil sheet, etc. We have a professional technical team, some of who have more than 15 years’ working experience and predominant R & D ability. Our door frame roll forming machines have been exported to more than 30 countries. We will provide high quality steel processing equipment and perfect service and constantly create a new situation in the field of machinery.