How are Stacking Barrels Made

2025-08-16

How are Stacking Barrels Made

When you see a standard plastic stacking barrel, almost certainly born from blow molding machine, which expertly inflated a tube of hot HDPE plastic into a durable, stackable, and indispensable industrial container.

Components of the Blow Molding Machine:

  • Hopper: Holds the raw plastic pellets.
  • Extruder Barrel & Screw: Heats and melts the pellets, then pushes the melt forward.

Stacking Barrels Blow Molding Machine

  • Die Head: Forms the molten plastic into the parison.
  • Mold Clamping Unit: A powerful hydraulic or electric system that opens, closes, and holds the heavy mold shut under high pressure.
  • Blow Pin & Air System: Injects the high-pressure air.
  • Hydraulic / Pneumatic & Control System: The brain and muscles of the operation, controlling every step with precision.

Why Blow Molding is Perfect for Stacking Barrels:

  • Seamless & Strong: The process creates a one-piece, seamless container that is incredibly strong and leak-proof, essential for holding liquids and withstanding stacking.
  • Complex Geometry: It can easily form the complex shapes like the chimes (the rolling hoops), the stacking lip, and the threaded bung holes all in one step.
  • Material Efficiency: The blow molding machine uses almost exactly the amount of plastic needed, with minimal waste (the flash is recycled).
  • High Production Speed: A plastic blow molding machine can produce a barrel every few minutes, running 24/7.

About Suzhou Bestar Blow Molding Machinery Co., Ltd:

Beier Group and Bestar company are same owner And Bestar has been established for more than 19years. Bestar provides customers high efficiency, innovative, energy saving blow molding machinery solutions. Bestar blow molding machines sold to more than 60 countries.

Bestar Blow Molding Machinery

Series blow molding machine is used for blowing 100ml-1250L HDPE PE PP products like milk bottles, daily chemical packaging bottles, jerry cans, pesticide bottles / medicine bottles and stacking barrels.

Please write your machine inquire Email, Phone Number and Company Name here, we will respond within 12h. Or you can directly contact us: Email: sales@bestarmachinery.com or at Whatsapp/Wechat +86 18862609888.

Chat