Tag: Injection Molding
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Plastic Granulators
Granulators (sometimes referred to as grinders) are machines used to reduce scrap plastic parts or other plastic waste into a reusable form. This material – regrind – is sometimes put right back into the process to create the same parts. Other times it is reprocessed and re-pelletized for reuse. Occasionally material is turned into a…
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The Benefits of Extruder Screens
September 9, 2022 Whether you are producing plastic bottles, caps, or clothing, polymer material needs to be formed into a desired shape. The extrusion process is often used to produce these shapes. While there are many circumstances that can cause product failure, contaminants in plastic are the most common. Removing contaminants from the melt is…
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Calculating Heat Load for a Circuit
August 24, 2022 Application Procedure Use the following formula and method to calculate heat load for one cooling circuit. This will help determine suitability of the Smartflow Mold Temperature Regulator to your process. NOTE: These graphs and information are intended as a general guide for sizing and initial setup of the mold temperature regulator. Due…
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Safety First!
June 20, 2022 On November 3, 2021 the Bureau of Labor Statistics reported private industry employers documented 2.7 million nonfatal workplace injuries and illnesses in 2020, down from 2.8 million in 2019, a decrease of 5.7 percent. Keep your people safe and your business running smoothly. While it may lack the bells and whistles, Workplace…
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IMS Screw Tip BRODY-Ring
Postpone Barrel Repairs – Improve Press Performance June 15, 2022 Extend Barrel Life 2 to 3X! Stop Screw Tip Blow-By With A BRODY-Ring! The introduction of the BRODY-ring was a major breakthrough in improving Reciprocating-Screw Press efficiency. Try a tip with a BRODY-ring. It will make your old press perform better than new. If your…
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Essential Barrel Information
Tool Steel-Lined Barrels June 15, 2022 Premature and uneven cylinder wear is expensive in terms of both replacement costs and lost process efficiency. IMS barrels are lined with your needs in mind. For low abrasion applications, we keep your costs down by using D-2 tool steel. Barrel Liner Material Guidelines D-2 Tool SteelHeat treated to…
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Screw Tip Wear Issues
June 15, 2022 Cracked Ring: Excessive barrel wear in the metering area. Unmelted plastic in the valve can cause a situation where the ring will not seat against the rear seat. This is usually due to a poor start up or shut down. Broken Stud: This is usually due to a poor start up or…
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Screw Material Guidelines
June 15, 2022 (1) Includes chrome-plating to .003”-.005” and gas or ion nitriding for 24+ hour cycle.(2) Rockwell C hardness.(3) Flight hardsurfacing required.(4) Thermoplastics with no reinforcements.(5) Thermoplastics with up to 30% reinforcement.(6) Thermoplastics with more than 30% reinforcement.(7) Moderate includes cellulosics, acetals and others containing corrosive additives. Material Options Feed screws are manufactured from…
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Mold Clamps, Bolts & Washers
Molding Safety Checklist June 9, 2022 Inspection Inspect the press and surrounding areas including all auxiliary equipment for the following: Holes in Platens Mold Clamps Clamp Installation Closed-Toe Mold Clamps For basic applications use mold clamps that have a slot to accept the bolt. They never fall off the bolt. Open-Toe Mold Clamps Take great…
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Molecular Sieve Desiccant
June 2, 2022 Why Buy High-Quality Desiccant? Desiccants can get contaminated or ruined by off-gases of certain resins. A general rule is to change the desiccant every 18 months. Molding problems, particularly in humid months, often trace back to poor drying caused by stale desiccant. The fact is this: desiccant goes bad. Desiccant captures moisture…
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