Key Features and Compatibility of the 22mm Nissei Screw Tip Assembly

www.completeplastics.com, sales@completeplastics.com, 770-417-6983. Injection molding machines rely heavily on precision components to ensure consistent, high-quality production. One such critical component is the 22mm Nissei screw tip assembly, designed specifically for small-tonnage Nissei Plastic Industrial injection molding machines. This assembly plays a vital role in the molding process, affecting material flow, pressure, and overall machine performance.

This post explores the key features of the 22mm Nissei screw tip assembly, its compatibility with various Nissei machine series, and technical specifications that make it a preferred choice for many manufacturers.

22mm Nissei screw tip assembly close-up, showing threading and nose angle

Close-up view of the 22mm Nissei screw tip assembly highlighting its precise threading and nose angle

Key Features and Compatibility of the 22mm Nissei Screw Tip Assembly

The 22mm Nissei screw tip assembly is engineered to fit small-tonnage injection molding machines, which are widely used in industries requiring precision molding of small parts. Its design ensures smooth material flow and consistent injection pressure, which directly impacts the quality of molded products.

Key reasons for its importance include:

• Precision fit for Nissei machines, reducing wear and tear.

• Compatibility with both horizontal and vertical models, increasing versatility.

• Support for machines using NC Series or TACT controllers, which are common in modern Nissei equipment.

• Ability to handle various resin types, including glass-filled resins, when paired with the appropriate materials.

  
  

Understanding these features helps manufacturers select the right screw tip assembly to maintain machine efficiency and product quality.

Compatibility with Nissei Machine Series

The 22mm screw tip assembly is compatible with a broad range of Nissei injection molding machines. This compatibility ensures that manufacturers can use a single type of assembly across different models, simplifying maintenance and inventory management.

Compatible Series Include:

• NEX Series (Electric)

This series includes flagship electric models such as the NEX80IV-5EG (80-ton) and NEX1000-5E. These machines benefit from the screw tip’s precision and durability, supporting high-efficiency electric injection molding.

• FNX Series (Hybrid)

Hybrid machines like the FNX110-18A (112-ton) use this assembly to balance hydraulic power with electric control, improving energy efficiency and cycle times.

• FN/FS/ES Series (Older Models)

Legacy hydraulic and horizontal presses in these series rely on the 22mm screw tip for reliable performance despite their age.

• Vertical Series

Vertical machines such as the TNX, ST, and TH models, popular for insert molding, use this assembly to ensure precise injection and consistent results.

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• Other Supported Series

Additional compatibility includes FE, FV, NS, PNXIII, TNXIII, and DC models, demonstrating the assembly’s broad application across Nissei’s product range.

This wide compatibility makes the 22mm screw tip assembly a versatile choice for many injection molding setups.

Technical Specifications That Matter

The design and material choices for the 22mm Nissei screw tip assembly influence its performance and lifespan. Understanding these specifications helps users select the right assembly for their specific molding needs.

Design Types

• 3-piece free-flow design

Allows smooth resin flow, reducing back pressure and improving cycle times.

• 4-piece locking design (castle ring)

Provides secure locking to prevent loosening during operation, enhancing safety and reliability.

• Ball check valves

Enable precise control of material flow, preventing backflow and ensuring consistent injection pressure.

Materials Used

• H-13 Steel

A general-purpose material offering good toughness and heat resistance, suitable for standard molding applications.

• D-2 Steel

Known for wear resistance, ideal for applications involving abrasive materials.

• CPM 9V Steel

A high-wear material designed for molding glass-filled resins and other highly abrasive compounds, extending the assembly’s service life.

Standard Dimensions

• Overall Length (OAL): Typically 3 inches, providing a compact yet effective tip length.

• Nose Angle: 60 degrees, optimized for smooth resin flow and minimal shear.

• Threading: TR12x2.0 LH (left-hand threading), ensuring secure attachment to the screw shaft.

  
  

These specifications ensure the assembly fits precisely and performs reliably under various molding conditions.

Practical Benefits for Injection Molding Operations

Using the correct screw tip assembly can improve molding efficiency and product quality. The 22mm Nissei screw tip assembly offers several practical advantages:

• Reduced downtime due to its durable materials and secure locking designs.

• Improved product consistency by maintaining stable injection pressure and flow.

• Simplified maintenance with compatibility across multiple machine series.

• Cost savings by extending the lifespan of the screw tip and reducing the frequency of replacements.

  
  

Manufacturers working with small-tonnage Nissei machines will find this assembly a valuable component to keep their operations running smoothly.

How to Source the 22mm Nissei Screw Tip Assembly

For those interested in purchasing or learning more about the 22mm Nissei screw tip assembly, companies like Complete Plastics provide reliable sourcing options. They offer expert support and can be contacted via:

• Website: www.completeplastics.com

• Email: sales@completeplastics.com

• Phone: 770-417-6983

  
  

Working with trusted suppliers ensures you receive genuine, high-quality parts that meet your machine’s specifications.