| Customization: | Available |
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| Standard: | DIN, ASTM, GOST, GB, JIS, ANSI, BS |
| Technics: | Casting |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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| Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
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Product description
Conical / parallel twin-screw with high yield, plasticizing, low energy consumption advantages over the years more and more users demand and favor. For PVC pipe, profiles, sheets, plates, foam templates, resin tile, siding, granulation, PE wood, PP winding pipe and so on. Common specifications are:
Ф25 / Ф55; Ф35 / Ф75; Ф45 / Ф90-99; Ф48 / Ф112-117; Ф51 / Ф105-120; Ф55 / Ф110-125; Ф58 / Ф125; Ф60 / Ф125-129; Ф65 / Ф120-132; Ф68 / Ф147; Ф70 / Ф150; Ф80 / Ф143-156; Ф92 / Ф188; Ф105 / Ф203
| TECHNICAL SPECIFICATION | |
| Conventional material | 38CrMoAlA SKD61 Cr12MoV SACM645 Ni-based-alloy GHII3 C276 |
| Nitrided Hardness | HV950-1200 |
| Nitrided Depth | 0.5~0.8mm |
| Quenching Hardness | HRC55 ° - 62 ° |
| Nitrided Brittleness | Less than Grade 2 |
| Surface Roughness | Ra 0.4 |
| Screw Straightness | 0.015mm |
| Chromium plating layer hardness after nitriding | ≥ 950HV |
| Chromeplate Thickness | 0.05~0.10mm |
| Alloy Depth | 2~5mm |
| MATERIALS & PROCESSES |
| High grade 38CrMoAIA(1CrAIMo7) |
| Quality Duplex Stainless Steels |
| 42CrMo |
| GH113 |
| SKD61(H13) |
| Gr12Mov |
| Cold/ Thermal Spray Hard Metal Process |
| Advanced nitriding Process |
| Corrosion resistance, wear resistance and double metal spraying Process |
| PRODUCT SPECIFICATION |
| Diameter: Φ45/90, Φ45/100, Φ50/105, Φ51/105, Φ55/110, Φ55/120, Φ58/124, Φ60/125, Φ65/120, Φ65/132, Φ68/143, Φ70/135, Φ70/140, Φ75/150, Φ80/143, Φ80/156, Φ92/188 |
| Compressing rate of screw can be designed according to different products and mixtures. |
Why Choose GADDY ?
1, Products design and development
ALVEN has several senior designers, Is committed to all kinds of new materials of screw barrel design and development.
2, Surveying and mapping to your door
ALVEN can be customized according to the production of products and materials for the customer special screw cylinder, may at any time to the actual measurement of surveying and mapping.
3, Screw products customization
ALVEN depending on the production of products and raw materials, and design customized special screw cylinder and various related equipment.
4, Screw products transformation
ALVEN can use according to the customer's actual situation and requirements, in view of the existing customers use screw cylinder and transformation, thus saving customers the cost of production.
5, Screw products repair
ALVEN can provide customers with the old screw cylinder repairing process,screw surface spraying nickel and tungsten carbide alloy, then grinding smooth match the cylinder inner hole, screw with laser spraying process ensures that the alloy spray welding layers will not fall off, no cracks, no air hole, strictly control the work piece deformation, etc. While the old cylinder adopt boring or inner hole set set, after repair, plasticizing parameters of the machine does not need to make any changes, its service life and much higher than your purchase of conventional material components.
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