Double Layer Roll Forming Machine:
1.The Chart of Process Flow 
decoiling---active feeding ---roll forming---measuring length--cutting to length---product to stand
2.manual inner tight decoiler
a. coil inner diameter :450mm--700mm
b.maximum width of coiling:1200mm
c.maximum weight of loading:6000Kg

3.Main forming machine
a.number of forming steps:upper 18 stations;down 18 stations
b.material of shaft:45 # steel adjustable treatment.diameter:70mm
c.material of roller:high grade 45 #steel(plaed chrome on surface)
d.main motor power:5.5Kw
f.stand:280# steel welding
g.the plating chromium of roller surface:0.05mm

4.hydraulic cutter
a.material of blade:Cr12 mould steel with quenched treatment 60-62
b.cutting system:adopt advanced hydraulic drive,after forming automatic cut,no distort,no wasting,high safe factor.(main motor stop cutting)
c.hydraulic power:4 KW
puter adopt PLC,Panasonic
puter operating board:touch screen
f.Length tolerance:1.5mm
g.Hydraulci pressuer:12Mpa
----------------------------------------------------------------------------------------------------------------------------------------Shanghai Allstar Industrial CO.,Ltd is a high-tech enterprise and key privately-owned enterprise of Shanghai.which is one of first manufacturers specialized in designing and manufacturing various kind of roll forming machines,subsidiary machinery and sandwich panel line machinery .
Sincerely wish to establish a long-run business relationships with friends both at home and abroad.to create a brighter future.
Main product:roll forming machine,EPS/PU sandwich panel production line,rolling shutter door panel line,pu sandwich garage door panel line,corrugated sheet roll forming machine,double layer roll forming machine,c/z/u/hat purlin roll forming machine,glazed tile roll forming machine,roof/wall panel roll forming machine,highway guardrail roll forming machine,square/round downpipe roll forming machine,floor deck roll forming machine,tapered sheet roll forming machine,joint hidden roll forming machine,three waved layer roll forming machine,door frame roll forming machine,k span roll forming machine,hydraulc curving machine,roof ridge cap roll forming machine,bemo sheet roll forming machine,half round/square gutter roll forming machine,etc.
Contact:Ms.Linda Zhao
008613611737487
Skype:zhaolinge123