Custom Design, Manufacture and Rebuild
of Screws and Barrels
Canterbury Engineering has the capability to manufacture and rebuild screws and barrels for extruders and injection molding machines. We provide complete service on Screw/Barrel, e.g.
New Screws
New Barrels w/Bimetallic Liners
Rebuild Screws with Hard Surfacing
Repair Broken Screws
Change Compression Ratio
Add Mixing Sections
Rebuild Flight Width
Rebuild/Replace Screws Tips/Valves
Hone Barrels to Next Uniform Size
Add Partial Sleeve in Barrels
Add Pressure Transducer Holes
Reline Feed Section
Canterbury Engineering can manufacture, or rebuild screw up to 18" diameter by 30 feet long, and barrels up to 12" ID.
Materials
CEC's standard base material for screws is AISI 4140 heat treated and stress relieved to 28-32 RC. OD of flights are either flame hardened or hard faced with:
Stellite® #12
Stellite #6
Colmonoy® #56
Colmonoy #83
Tungsten Carbide
Coltung
Additional hardfacing can be provided as specified. Other common base materials are Hastelloy®, Stainless Steel, and AISI D2, Inconel, CPM, 10V, 17-4 PH.
CEC provides a one to two day service on urgent requests like broken screws, screws stuck in the barrels, etc.
CANTERBURY ENGINEERING COMPANY, INC.
1057 Vijay Drive, Chamblee (Atlanta), GA 30341
800-241-7650/770-458-4882/Fax 770-454-9021
