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40mm Niigata Free Flow Tip Assembly - Call Now - 770-417-6983

  • Heat Tech
  • Feb 24
  • 3 min read

www.completeplastics.com / sales@completeplastics.com. Injection molding professionals know that the right components make all the difference in machine performance and product quality. The 40mm Niigata free flow tip assembly is a critical part for many Niigata injection molding machines, especially those with a 40mm screw diameter. This post explores what machines use this tip assembly, its specifications, and where to source reliable replacements.


40mm Niigata Free Flow Tip Assembly

What Is a 40mm Niigata Free Flow Tip Assembly?


A free flow tip assembly is the part of the injection molding screw that controls the flow of molten plastic into the mold. The 40mm Niigata tip assembly refers to a tip designed for screws with a 40mm diameter, featuring a 35-degree tip angle and an overall length of 4.92 inches. This design helps optimize plastic flow and shot consistency, which is essential for producing high-quality molded parts.


Machines That Use the 40mm Niigata Free Flow Tip Assembly


This tip assembly is primarily designed for Niigata all-electric and hybrid injection molding machines with a 40mm screw diameter. Based on manufacturer specifications and industry catalogs, the following Niigata series and models commonly use this tip:


  • MD-S8000 Series

The 8th generation of Niigata’s all-electric machines, known for precision and energy efficiency.


  • MD-S7000 Series

The 7th generation all-electric machines, often equipped with 40mm injection units in mid-range tonnage models.


  • MD-X / MD-W Series

Older generations of Niigata all-electric presses that still rely on 40mm screws for certain applications.


  • MZ Series

Electric machines that combine servo-hydraulics for flexible performance.


Specific Machine Models with 40mm Screw Configuration


  • Niigata NE85UA4

This model explicitly uses a 40mm diameter single screw, making it a direct fit for the 40mm free flow tip assembly.


  • Niigata MD110 / MD100

These 100 to 110-ton machines use a 40mm screw to deliver shot sizes typically between 4 and 6 ounces.


  • Niigata MD55 / MD85

Smaller tonnage machines that sometimes use a 40mm screw as a larger bore option to increase shot volume.


Why Choose the 40mm Niigata Free Flow Tip Assembly?


The 40mm tip assembly is designed to match the screw diameter precisely, ensuring smooth plastic flow and consistent shot sizes. The 35-degree tip angle helps reduce back pressure and improves melt homogeneity. This leads to better part quality, fewer defects, and less wear on the screw and barrel.


Using the correct tip assembly also reduces downtime caused by improper fit or premature wear. For injection molding shops running Niigata machines, having the right tip assembly on hand supports efficient production and reduces scrap rates.


Sourcing and Replacement Options


If you need a replacement 40mm Niigata free flow tip assembly, specialized suppliers offer OEM-equivalent parts. One trusted source is Services For Plastics, Inc., which provides tip assemblies made from durable materials such as H-13 tool steel and CPM-9V. These materials offer excellent wear resistance and longevity in demanding molding environments.


When ordering replacements, confirm the exact specifications: 40mm diameter, 35-degree tip angle, and overall length of 4.92 inches. This ensures compatibility and optimal performance.


How to Maintain Your Tip Assembly for Longevity


Proper maintenance extends the life of your tip assembly and keeps your Niigata machine running smoothly:


  • Regular Inspection

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Check for signs of wear, cracks, or deformation. Replace the tip if you notice any damage.


  • Clean Thoroughly

Remove any plastic residue or buildup after each production run to prevent flow issues.


  • Use Compatible Materials

Avoid processing abrasive or highly filled materials without proper tip materials designed for such use.


  • Follow Manufacturer Guidelines

Adhere to recommended torque settings and installation procedures to avoid damage.


Contact for Purchase and Support


For those ready to order or inquire about the 40mm Niigata free flow tip assembly, reach out to Complete Plastics:


Their team can assist with product details, pricing, and shipping options to keep your injection molding operations running without interruption.



 
 
 

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