Anhui Preda Machinery Manufacturing Co.,Ltd.

--- Auto duct line, spiral tubeformer and relavant duct machines.

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Auto duct line

Auto duct line

Preda Machine manuafctures auto duct line in different functiong sections.

Our regular duct lines include: Auto duct line 5 U shape, Auto duct line 5, Auto duct line 4, Auto duct line 3,

Auto duct line 2, Cut to length line and etc.

This auto duct lines have differect sections for functions line leveling, beading, shearing, notching, folding and etc.


duct line 5 U shapeduct line 5 U shape


Auto Duct Line 5 U shape


It adopts modular U shape design,

with several integrated flexible workstations.

Total length of the line is about 15mtrs.

This is the most advanced and productive auto duct line Preda Machine manufactures.






Duct Line 5Duct Line 5


Auto Duct Line 5


It adopts modular Linear design,

with several integrated flexible work stations.

Total length of the line is about 18mtrs.








Duct Line 4Duct Line 4


Auto Duct Line 4


The difference between duct line 4 and duct line 5 is that duct line 4

does not have folding section.

The other parts are all same!






duct line 3duct line 3Auto Duct Line 3


Auto duct Line 3 (capable of 1.2mm galvanized steel and 1300mm length)

including Electrical uncoiler for two rolls+ leveling&grooving+ notching

+ shearing+ folding+ PLC computer&software(Mitsubishi brand English version)






duct line 2duct line 2

Auto Duct Line 2

This auto duct line 2 has three main handling patterns,all in English version:
1.Manual Pattern. At this pattern, you can handle each step including

feeding,leveling,grooving,square notching,sharp

notching and cutting all manually!
2.Auto duct production line which controls each process.

You just have to set up each distance you would like to notch

and cut so the machine will do everything for you!

As for the repeat times for the processes, it can be set up by yourself!
3.Auto
duct Line I function, which we also call "cut to length line"!


Cut to length lineCut to length line


Cut to length line or duct line 1


Auto cut-to-length-line or auto duct line 1 adopts modular Linear design,

with several integrated flexible workstations.

Total length of the line is about 6 mtrs.

The difference between duct line 2 and cut to length line is that

cut to length line does not have notching section!





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