Allied Solutions (I) Pvt. Ltd. offers Extrusion Blow Moulding Machines.
Advantages of blow moulding over rotational moulding:
Blown molded 500 liter barrel has weight 9 – 11 Kg per container as
against 14 – 14.2 Kg of rotational moulding (Saving of raw material to a tune
of 40 % possible)
Production capacity of 28 nos of barrel using blow moulding machines is
possible against 4 to 8 barrel using rotational moulding
Roto moulded barrel cracks if dropped from height but blow moulded barrel
passes the drop test
Blow moulded container can have 2 layer structure integrated to impart
special properties as needed
Blow moulding is highly energy efficient. Roto moulding is power
Material handling is simple in blow molding process as against pulverizing
of granules required in roto moulding
Space required for blow moulding machines is lesser compared to rotational
Extruder: The extruder has grooved feed section and special mixingPlastic
Drum element to facilitate processing of HMWHDPE producing homogeneous melt at
low temperature. It can process HMWHDPE having HLMI as low as 8.
Extruder Drive: Helical speed reducer with hardened and ground gears
ensure high efficiency (0.96 typically) and help cut energy costs.
Accumulator head: Accumulator head features streamlined melt flow that
eliminates problems due to weak weld lines on parison. It is of first-in
first-out design to prevent thermal damage of melt.
Total machine control: Besides parison programming, machine sequence
control and temperature control are effected by the PLC.
Blow unit: Bottom blow unit is of simple design. Parison stretching
movement is by pneumatic cylinder with positive mechanical
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