36mm Nissei End Cap - Call Now - 770-417-6983
- Heat Tech
- Feb 25
- 3 min read
www.completeplastics.com, sales@completeplastics.com. When working with Nissei plastic injection molding machines, having the right components is essential for smooth operation and long-term reliability. One critical part is the 36mm Nissei end cap, designed specifically for machines using a 36mm screw diameter. This post explains what makes this end cap important, where it fits, and why sourcing it from a trusted supplier matters.

What is a 36mm Nissei End Cap?
The 36mm Nissei end cap is a precision-machined component that fits injection units with a 36mm screw diameter. It serves as a protective and functional cover at the end of the screw assembly, helping maintain alignment and sealing the injection unit properly. The end cap also supports the mechanical integrity of the injection molding machine during operation.
Key features include:
Diameter: 36mm, matching the screw size
Width: Approximately 2.755 inches
Bolt pattern: Typically 12 holes for secure attachment
Thread type: TR20x2 Left Hand, common for these assemblies
These specifications ensure compatibility with various Nissei machines and injection units.
Compatible Nissei Machines and Injection Units
The 36mm Nissei end cap fits a range of Nissei injection molding machines, especially those with 36mm screws. Here are some of the main series and models:
FN2000 Series: Models using FN80-18A or FN110-18A injection units
FN Series: Includes FS, FE, ES, FV, NS, FNX, FNXIII, NEX, NEXIII, PNXIII, TNXIII, and TH models with 36mm screws
TWX-RIII Series: Specifically the TWX300RIII36V, a low-floor hybrid vertical machine
NEX Series: Models like NEX300, NEX500, up to NEX8000
PS Series: Vertical machines such as PS10E1A, PS20E2A, PS40E5A, PS60E9A, and earlier PS20/PS40/PS60 models
This broad compatibility makes the 36mm end cap a versatile part for many Nissei machines in production environments.
Why the 36mm End Cap Matters
Using the correct end cap is crucial for several reasons:
Machine performance: A properly fitted end cap ensures the screw assembly operates smoothly without misalignment or leaks.
Durability: High-quality end caps resist wear and maintain tight seals, reducing downtime.
Safety: Secure attachment with the 12-hole bolt pattern prevents loosening during high-pressure injection cycles.
Maintenance: Easy replacement of the end cap helps keep machines running efficiently without extensive disassembly.
Choosing the right end cap reduces the risk of costly repairs and production delays.
Ordering the Right 36mm Nissei End Cap
When sourcing a 36mm Nissei end cap, consider these points:
Confirm the bolt pattern matches your injection unit (12 holes are common but verify your model).
Check the thread type is TR20x2 Left Hand to ensure proper fit.
Verify the width of approximately 2.755 inches fits your machine specifications.
Purchase from a reliable supplier with expertise in Nissei parts.
For example, Complete Plastics offers genuine 36mm Nissei end caps with detailed specifications and support. You can contact them directly at 770-417-6983 or email sales@completeplastics.com for inquiries and orders.
Installation Tips for the 36mm End Cap
Proper installation extends the life of your end cap and machine:
Clean the screw and surrounding area before fitting the new end cap.
Align the bolt holes carefully to avoid cross-threading.
Use the recommended torque settings for the 12 bolts to secure the cap firmly.
Inspect the thread and sealing surfaces for damage before installation.
Replace worn or damaged bolts to maintain secure attachment.
Following these steps helps maintain machine reliability and prevents leaks or mechanical issues.
Common Applications and Benefits
The 36mm Nissei end cap is widely used in injection molding for:
Automotive parts manufacturing
Consumer goods production
Medical device molding
Electronics component fabrication
Its robust design supports consistent injection pressure and precise molding cycles. Users report fewer maintenance interruptions and improved machine uptime when using the correct end cap.
Summary
The 36mm Nissei end cap is a vital component for many Nissei injection molding machines with 36mm screws. Its precise dimensions, bolt pattern, and thread type ensure compatibility and reliable performance across multiple machine series. Proper installation and sourcing from trusted suppliers like Complete Plastics help keep your production running smoothly.




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