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71mm Nissei End Caps - Order Now - sales@completeplastics.com

  • megan15067
  • Feb 27
  • 3 min read

770-417-6983 / www.completeplastics.com. The 71mm Nissei end cap plays a crucial role in maintaining the performance and reliability of Nissei FN5000 Series hydraulic injection molding machines. Designed specifically for the 71A Injection Unit, this end cap ensures precise fit and function, supporting smooth operation in demanding industrial environments. If you operate or maintain Nissei injection molding equipment, understanding the specifications and applications of this component can help you keep your machinery running efficiently.


71mm Nissei End Caps


What Is the 71mm Nissei End Cap?


The 71mm Nissei end cap is a precision-engineered component designed for use with the 71A Injection Unit on Nissei FN5000 Series hydraulic injection molding machines. It serves as the closure for the injection unit, securing the screw and nozzle assembly while maintaining pressure and alignment during the injection process.


This end cap is compatible with several Nissei models, including:


  • Nissei FN220-71A

  • Nissei FN280-71A

  • Nissei FN280-100A (when used as a 71mm option)

  • Nissei FNX280III-71A (2016 model)


Its design supports the specific requirements of these machines, ensuring consistent performance and durability.


Key Specifications of the 71mm Nissei End Cap


Understanding the technical details of the end cap helps in selecting the right part and ensuring compatibility with your injection molding machine. Here are the main specifications:


  • Injection Unit: 71A

  • Bolt Pattern: 12 holes

  • Nozzle Thread: 1-3/4"-8

  • Overall Length (OAL): 5.13 inches (5.130")

  • Outer Diameter (OD): 6.30 inches

  • Nose Angle: 40 degrees


These precise measurements ensure the end cap fits securely and functions properly within the injection unit assembly.


How the 71mm Nissei End Cap Works in Injection Molding


The end cap seals the rear of the injection unit, holding the screw and nozzle assembly in place. It must withstand high pressure and temperature during the injection process. The 12-hole bolt pattern provides a strong, even clamping force to prevent leaks and maintain alignment.


This end cap is often paired with a 3-piece check valve and screw tip assembly designed for 71mm screws. This combination helps control the flow of molten plastic and ensures consistent injection pressure, which is critical for producing high-quality molded parts.


Why Choose the 71mm Nissei End Cap from Complete Plastics?


Complete Plastics offers genuine, high-quality 71mm Nissei end caps that meet or exceed OEM standards. Here’s why sourcing from Complete Plastics makes sense:


  • Precision Manufacturing: Each end cap is made to exact specifications to fit Nissei 71A injection units perfectly.

  • Durability: Built to withstand the demanding conditions of hydraulic injection molding.

  • Compatibility: Supports multiple Nissei models, reducing the need for multiple part numbers.

  • Customer Support: Expert assistance available via sales@completeplastics.com or phone at 770-417-6983.


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Ordering from a trusted supplier ensures you get reliable parts that keep your machines running smoothly and reduce downtime.


Installation Tips for the 71mm Nissei End Cap


Proper installation is key to maximizing the lifespan and performance of the end cap. Here are some practical tips:


  • Inspect the End Cap: Before installation, check for any damage or manufacturing defects.

  • Clean Mating Surfaces: Remove any debris or residue from the injection unit and end cap surfaces.

  • Use Correct Torque: Tighten the 12 bolts evenly and to the manufacturer’s recommended torque to avoid warping or leaks.

  • Check Nozzle Thread: Ensure the 1-3/4"-8 nozzle thread is clean and free of damage for a secure fit.

  • Pair with Compatible Components: Use the recommended 3-piece check valve and screw tip assembly for optimal performance.


Following these steps helps maintain machine integrity and prevents premature wear.


Common Applications and Industries


The 71mm Nissei end cap is widely used in industries relying on precision injection molding, including:


  • Automotive parts manufacturing

  • Consumer goods production

  • Medical device molding

  • Electronics housing fabrication


Its robust design supports high-volume production runs and complex molding processes, making it a dependable choice for industrial molding operations.


How to Order Your 71mm Nissei End Cap


Ordering the right end cap is straightforward. Contact Complete Plastics via:


Provide your machine model and any specific requirements to get expert guidance. Complete Plastics can help ensure you receive the correct part quickly to minimize downtime.



 
 
 

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