If you’re searching for injection molding screw and barrel for sale, you’re likely looking to replace worn parts, upgrade performance, or find reliable components for your molding machine. These parts are the core of the plasticizing process, and their quality directly affects productivity, product consistency, and machine lifespan.
In this article, we’ll guide you through choosing the right screw and barrel, how to ensure compatibility, and where to buy with confidence.
🔧 What Is the Role of the Screw and Barrel in Injection Molding?
The screw and barrel work together to melt, mix, and inject plastic into a mold. Their key functions include:
- Plasticizing the resin
- Compressing and homogenizing material
- Feeding molten plastic at consistent pressure
Over time, abrasion, corrosion, and high temperatures degrade these components, which is why finding the right replacement screw and barrel for sale is crucial.
🔍 What to Consider Before Buying a Screw and Barrel?
Before choosing a product, consider the following:
- Machine Brand & Model
- Compatibility is key. Know the exact machine series (e.g. Haitian MA1200, JSW J100E, Engel Victory 330/80).
- Screw Diameter and L/D Ratio
- Common diameters: Ø25–Ø150 mm
- L/D ratio affects melting and throughput
- Material Requirements
- Standard: 38CrMoAlA nitrided
- High-wear: SKD61, D2, bimetallic barrels for glass-filled or corrosive resins
- Application
- Are you molding standard PP/PE, or engineering plastics like PC, POM, or PVC? Choose screw geometry accordingly.
See our Injection Screw Barrel Product Page for detailed specs and options.
🏭 We Offer Screws & Barrels for Top Injection Molding Brands
At Zhoushan Juyuan Machinery Co., Ltd., we manufacture OEM and custom screw-barrel sets for many popular machines, including:
- Haitian (MA, SA, JU series)
- ENGEL (Victory, Duo)
- ARBURG (Allrounder series)
- JSW
- Sumitomo Demag
- KraussMaffei
- BOY, Toshiba, FANUC, and more
We support both metric and imperial units and provide drawings for confirmation before production.
💡 Why Buy from Us?
✅ Direct Manufacturer Price
✅ High-Quality Materials (Bimetallic options available)
✅ Fast Delivery – 7 to 15 days for most models
✅ Global Shipping – We export to Europe, Russia, South America, Southeast Asia
✅ Custom Design Support
You can also request custom screw geometries like barrier, mixing, or vented designs.
🌐 Where to Buy Injection Molding Screws and Barrels?
You can find injection molding screw and barrel for sale through:
- Direct from Manufacturers
Zhoushan Juyuan Machinery – Trusted OEM partner with global reach - B2B Platforms
Alibaba – Injection Screw Barrel Listings
Made-in-China Screw & Barrel - Spare Parts Distributors
Depending on your region, local dealers may stock parts but often at a premium price
Tip: Always verify material, heat treatment, and machine fit before ordering.
📈 Market Insight
According to Plastics News, the global injection molding market is expected to reach USD 20 billion by 2027, which pushes demand for reliable, wear-resistant screw-barrel components. Replacing old barrels and screws is often more cost-effective than waiting for a breakdown.
📞 Contact Us for a Quotation
Looking for a screw and barrel that fits your machine perfectly and lasts longer?
We can help. Get in touch with us for pricing, drawings, and technical advice:
📧 Email: cxj.job@gmail.com
🌐 Website: https://juyuan-machinery.com
📱 WhatsApp: +86 13905808474