We are a technical, engineering and manufacturing company.   We hope you find these technical resources helpful.  Please contact us for assistance or evaluation of any technical questions you have regarding injection or extrusion molding screws, barrels, tips, end-caps, or other plasticating unit components.

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SCREWS:

How Screw Design Affects Processing

Concor Screw Final Inspection

CPM Killer Vs Flyer

SPI Screw Standards

Screw and Barrel Material Chart

Inspection of screw catches screw machining flaws

Mixing Screw Illustrations

Screw Profile

Screws and Barrels

Tool Steel Screw Guidelines

Reduced Volume Screws Article

Volume Reduction Screw Guidelines

Common Hardfacing Materials

WEAR GUIDELINES

Clearance and Wear Guidelines

Four Largest Contributors to Premature or Excessive Wear

How do you monitor screw and barrel wear?

Minimize Wear When Molding Glass Reinforced Materials

Proper Screw Wear Evaluation

BARRELS

Concor Cylinder Final Inspection

SPI Barrel Standards

Screws and Barrels

Screw and Barrel Material Chart

TIPS, END CAPS, NOZZLES

Veloci-T Tip Flyer

Tip Installation and Removal Guidelines

Three Piece Tip Assembly

Installation Guidelines for Inserted End Caps

Tip Assembly Registration

UPSIZING AND DOWNSIZING

Installation Guidelines Standard of Downsize Units

Upsize Downsize Worksheet

PROCESSING MISC.

Processing Data Request, .PDF File

Processing Data Request, Excel file

Purging Considerations

Maxi Blast Pressure Blast Screw Cleaning Spec Sheet

Maxi Clean Spec Sheet

Tech Tips

Temperature Profiles

Total Indicator Runout