Grooved Barrels

Grooved barrels or grooved feed sections are used extensively in the plastification units of extruders and injection moulding machines. For many years, HELIX has specialised in the manufacturing of grooved barrels. With its unique technology for producing grooves, HELIX has become the universal supplier of all kinds of grooved barrels:

  • Axially grooved barrels - with grooves running along the axis of the barrel
  • Helically grooved barrels - with grooves running helically within the barrel
  • Grooves manufactured as:
    • square grooves
    • trapeze grooves
    • sickle grooves
    • round grooves or
    • any special shapes according to client requirements
Materials:
The standard material used for grooved barrels is nitrided steel that is nitrided with gas or plasma. In addition, HELIX also provides the possibility of manufacturing wear protected grooved barrels made of
  • fully-hardened tooling steel
  • bimetallic plated material
  • HIP (Hot Isostatic Pressing) material
Dimensions:
  • starting with a nominal diameter of 10 mm
  • lengths of up to 4000 mm
  • grooved lengths of up to 4000 mm
  • weight of workpiece up to 2 t.

HELIX delivers grooved barrels complete with cooling mantles - tested and ready for installation.

Grooved barrel
Classic grooved barrel with tapered axial grooves
Bimetallic plated grooved barrel
Sickle grooves in a bimetallic plated blank