55mm Nissei Screw - Available Now - www.completeplastics.com
- megan15067
- Feb 27
- 3 min read
770-417-6983 / sales@completeplastics.com. Injection molding machines rely heavily on the precision and durability of their screws. For Nissei machines with intermediate-sized injection units, the 55mm Nissei screw stands out as a critical component. This screw, with an overall length of approximately 49.56 inches, fits several popular Nissei series, ensuring smooth and efficient molding operations. If you operate machines like the FN Series, FNX Series, or FV Series, understanding the specifications and applications of this screw can help you maintain peak performance and reduce downtime.
Understanding the 55mm Nissei Screw Specifications
The 55mm Nissei screw is designed with precision to meet the demands of mid-sized injection molding machines. Here are the key details:
Diameter: 55mm (sometimes 56mm, which is commonly interchangeable in these models)
Overall Length: Approximately 49.56 inches (about 1258.8 mm)
Material: Typically made from high-grade steel alloys to withstand wear and high temperatures
Thread Design: Optimized for efficient plastic melting and injection
This screw size is not arbitrary. It fits machines in the 100 to 300-ton range, which are widely used for general-purpose molding. The length and diameter ensure the screw can handle a variety of materials, including those that cause high wear, such as glass-filled or abrasive plastics.
Compatible Nissei Machine Series
The 55mm screw is most commonly found in these Nissei injection molding machine series:
FN-3000 Series
Models like the FN3000-36A often use screws sized 50mm, 55mm, or 56mm. These machines are known for their reliability in medium tonnage applications.
FNX Series
Hybrid machines such as the FNX140-36A and FNX280-71A typically use 56mm screws. These models combine electric and hydraulic systems for energy efficiency and precise control.
FV Series
Older but still widely used, the FV9000 and similar models utilize screws with diameters around 55mm or larger. These machines handle larger tonnage but still benefit from the durability of this screw size.
Knowing which screw fits your machine helps avoid costly errors and ensures you get the best performance from your equipment.
Why Choose a 55mm Nissei Screw?
Injection molding screws must balance several factors: melting efficiency, wear resistance, and compatibility with the machine’s injection unit. The 55mm Nissei screw offers:
Durability for High-Wear Materials
Many manufacturers use abrasive or glass-filled plastics that wear down screws quickly. The 55mm screw’s robust construction helps extend service life.
Optimal Melting and Injection
The screw’s length and diameter allow for proper melting and mixing of plastic pellets, reducing defects and improving product quality.
Versatility Across Models
Its compatibility with multiple Nissei series means fewer inventory headaches and easier maintenance scheduling.
Cost-Effective Maintenance
Replacing worn screws with the correct size prevents damage to the barrel and other components, saving money in the long run.
How to Identify the Right Screw for Your Machine
When sourcing a replacement screw, confirm these details:
Measure the diameter precisely; 55mm or 56mm are common for these models.
Check the overall length; the 49.56-inch length is standard for many FN and FNX series machines.
Verify the machine model and series to ensure compatibility.
Confirm the material and thread design match your molding requirements.
If you’re unsure, consulting with experts or suppliers like Complete Plastics can help you find the exact screw you need.
Ordering Your 55mm Nissei Screw from Complete Plastics
Complete Plastics offers a reliable source for 55mm Nissei screws. Their inventory includes screws that meet OEM specifications, ensuring fit and function. Here’s how to get in touch:
Website: www.completeplastics.com
Email: sales@completeplastics.com
Phone: 770-417-6983
Their team can assist with questions about compatibility, pricing, and shipping options. Having the right screw on hand reduces downtime and keeps your production line running smoothly.
Practical Tips for Maintaining Your Injection Molding Screw
To maximize the life of your 55mm Nissei screw:
Regular Inspection: Check for wear, corrosion, or damage every few months.
Proper Cleaning: Remove residue and buildup to prevent material contamination.
Correct Installation: Ensure the screw is installed according to manufacturer guidelines.
Monitor Processing Conditions: Avoid overheating or excessive pressure that can damage the screw.
Following these steps helps maintain consistent product quality and extends the screw’s service life.
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