LB-Window And Door Profile Production Line

The window and door profile production line is widely used in the decoration industry. With drawing sections of the window and door profile, tailed solutions and mould will be made.

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Processing Process

The process flow of this line is PVC powder + additive — mixing—material feeder—conical twin screw extruder— mould and calibrator—vacuum forming table—haul-off machine—cutting machine—stacker.

This window and door profile extrusion line adopts conical twin screw extruder, which is suitable for both PVC powder and PVC granules. It has degassing system to ensure the excellent material plasticization. The high speed mould is available, and it can largely increase the productivity.


Model LB180 LB240 LB300 LB600
Max width of products(mm) 180 240 300 600
Screw Model SJ55/110 SJ65/132 SJ65/132 SJ80/156
Motor power 22KW 37KW 37KW 55KW
Cooling Water(m3/h) 5 7 7 10
Compressor(m3/h) 0.2 0.3 0.3 0.4
Total length(m) 18m 22m 22m 25m

Product detail

Mould for Window and door Profile

Optimized channel design ask for high flow performance. Highly inspected by our experienced engineer, the precision and stable running of the mould is guaranteed. 


Calibration table

Equipped with water circuit and vacuum system, the rapid shaping and cooling by special layout will produce excellent window and door profile. Stable steel frame and high-quality body material like SUS 304 stainless steel guarantee the machine lifetime. We offer several water separator.

Haul-off and cutting unit

Each caterpillar is driven by independent motor offering sufficient hauling force with even force distribution along caterpillars. Highly Synchronized hauling speed and force ensures stable quality of products. We apply direct cutting for the window and door profile production line.



We offer automatic stacker holding the produced window and door profile. It will flip periodically pulling the profiles down. 

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