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The working principle and advantage of EPE foam machine


The working principle of epe foam extrusion line

The raw material used in EPE foaming production line is:1、LDPE  2、Butane(the foaming agent) 3、Monostearin 4、The other auxiliary material. The specific technical process includes: Auto feeding device, foaming, extruding, sizing, cooling, flatten, winding, ready products.

The specific working process of EPE foaming mechanical equipment is: melting LDPE firstly, mixing butagas 、talcum powder、anti-shrinking agent and other agents, fusing and milling them through extruder, at the same time, feeding the foaming gas and molten monostearin, mixing with the plastic material, then through the extruder to be molding , and following to size the sheet through the finalize circle, finally, the ready products will be foamed sheet by the roller to roll.

The main advantage of EPE foam machine:

1、This machine is adopted microcomputer control, easy to operate, high automation, vacuum degree can be adjusted by yourself.

2、Adopting high efficiency radiation temperature heating system, which can make warms quickly , long insulation time and save power, make evenly heating.

3、Truly achieve the double station efficiency.

4、The main parts of Electronic control system is adopted anti-high temperature    and high-isolate device, to keep the running is safety and stable.

5、Switched workbench can make the multiaspect laminating one-time, achieve  multi-usage.

In the production process of EPE foam or expanded polyethylene faom packaging materials, physical foaming is used instead of chemical foaming. Currently, the most common foaming is using butane gas foaming. The principle of foaming is to use butane gas to be liquid in the jar, and then to gasify instantaneously when extruding from the foaming head. Because the foaming of EPE resin is the result of the physical foaming agent changing from liquid to gas, The second ,  foaming agent is required to be colorless, odorless, non-toxic, non-corrosive, no residue is left in the polymer after foaming, low permeability in the polyethylene melt, low vapor pressure at room temperature, high volatility, molecular weight Low density and high density. The gas cost per unit volume is low. It can be dissolved in polyethylene in the extruded state. When the temperature and pressure are increased, the amount of solubility will increase. It is easy to make the plastic foam molded into a foam with low density.


The craftsman spirit of professional, absorption and specialization, from the set up in 2013 until now, we specialized in EPE foaming machine and its ancillary equipment, and we always humbly accept the rationalization proposal of customer’s, under the constantly development, improvement and innovation of technical staff, our EPE foam sheet making machine far ahead of the counterparts.

There are Multifunctional EPE Two Station High Speed Laminator, Right Angle EPE Laminator (Protective Angle Laminator), Hi-speed EPE Slitting Machine, EPE Box-making Machine, Automatic EPE Punching Shaped AIO Machine, Horizontal&vertical EPE Shaped Machine, EPE Automatic-knife-adjusting Cutting Machine, EPE Length And Breadth Cutting Machine, EPE Cardboard Bonding Machine, Automatic Hot-Air EPE Laminator, Automatic Four-column Hydraulic Cutting Machine, etc., which are available for a diversity of custom production use such as laminating, bonding, slitting, waste-discharging, grooving and the like.

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