Our QunYing screw is the China top 10 injection screw barrel for injection molding.We can provide the best design and the best quality.We have produce and design screw and barrel for injectio mold machinery over 10 years in CHINA.We are the best injection screws and barrels rebuilder/manufacturer.Any inquiry for plastic machine screw barrel, welcome here and I will try my best to satisfy you well with competitive prices\best quality and service as per your request.
Welcome to visit our factory,we are near SHANGHAI and NINGBO.Welcome to inquire.
1. Diameter of screw: D20-D300mm
2. L/D ratio: 10 - 50
3. Injection amount of screw barrel: 45g - 200g
| Material | 1.38 CrMoAlA(JIS SACM645) 2.42 CrMo(AISI 4140) 3.Cr12MoV(JIS SKD-11) 4.4Cr5MoSiV1(JIS SKD-61) |
| Hardness after hardening and tempering | HB260 ° |
| Nitrided Hardness | HV900°~1000° |
| Nitrided Depth | 0.5~0.7mm |
| Nitrided Brittleness | above 2 stage |
| Surface Roughness | Ra0.4 |
| Screw straightness | 0.015mm |
| Chromium plating Depth | 0.05~0.10mm |
| Hardess of surface chromium-plating after Nitriding | HV≥950HV |
| Alloy Depth | 0.8~2.0mm |
| Alloy hardness | HRC56°~65° |
| Alloy(bimetallic) | iron,nickel,tungsten,molybdenum |
Our injection screws and barrels details:
Quality Assurance
Quality is our main forte and we follow varied industry policies for achieving it. Furthermore, our quality consciousness has ensured that we manufacture premium quality Screw & Barrel and machines for the clients. We conduct various quality tests on our range that start from the time of procuring raw material till the final supply of products. Apart from this, our quality controllers continuously check the entire range on different parameters so as to ensure its defect-free nature. Our quality testing laboratory is well-equipped with modern machines and technology that are necessary for bulk production.
My Skype ID :zj1584
Whatsapp: 86 18205803693
Choosing us!!!
