Closed type colour coated steel downpipe is cold rolled and automatically edge interlocked downpipe roll forming machine,the finished products are of many features,such as good interlocking, no leak,beautiful integrity,long time using and so on. This series machine is matched with downpipe bending (elbow)machine,used for bending and end narrowing. The angle of bending can be adjusted by manual according to engineering requirements. Colour coated steel downpipe is widely used in workshop,warehouse,hangar,gym,and so on for industry&civil buidings.

Downpipe roll forming machine consists of uncoiler,infeed guides,fixed position driven forming stations,shearing device.Hydraulic station,PLC control console and so on. Our company has dozons of profile models for this series roll forming machine
We can design different kinds of profile for downpipe machine,as per customers’ requirements.


Working Flow
Uncoiling-Sheet Guiding-End Cutting-Roll Forming-Measuring Length&shearing-Sheet to Support Table

Pictures for reference:


Main Technical Parameters:

(mm)Downpipe section specification134*93118*89
MaterialTypeColor steel sheet
(Mpa)Yield stress230-300
(m/min)Max.Forming speed10
Roller material45#steel with chrome
Roller driven typechain transmission
OperationTouch screen and button
(Mpa)Hydraulic system pressure12
(KW)Hydraulic station motor power7.5
(KW)Main motor power3
(KW)Total power10.5
(Kg)Total weightabout 8000