a. Advanced Nitriding Technology .
b. Anti-corrosion and Wear-resisting Duplex Metal Spraying Technology .
c. we uses special alloy powders being sprayed and welded on the screw's ridge,and uses different alloy and welding methods for the screw of different functions .
Specification:
screw diameter |
Φ20-Φ500mm |
Maximum screw length |
10000mm |
Barrel inner bore diameter |
Φ500mm |
Materail |
A. 38crmoala in high quality B. alloy steel in high quality |
Technology |
A. nitriding treatment B. alloy coating spraying C. heating treatment D. screw fully hardening E. Single Screw and Barrel for PVC Pipe Extruder quenching F: electroplate hard chrome |
Technical parameter |
A: depth of nitrition layer: 0.6-0.8mm B: nitriding treatment for 7 day and night, surface hardness HV>900 C: fragility of nitriding: less than grade 1 D: surface roughness: ra0.4um E: streightness of screw: 0.015mm F: depth of bimetallic layer>2mm G: hardness of alloy platig: HRC 62-72 H: surface of hardness of chrome coating layer: HRC 62-72 I: thickness of chrome coating layer: 0.03-0.06mm |
Process of screw barrel :
Workshops :
Exhibition :
Packaging :
Company Information 
Waiting for your inquiry .Welcome to visit our factory .
Jinan Joysun Machinery Co., Ltd. is a hi-tech enterprise that is engaged in professional developing,producing and selling on microwave energy applying equipment ,which is one of the biggest scale microwave energy equipment manufacturer Single Screw and Barrel for PVC Pipe Extruder in China since 2009. Jinan Joysun Machinery Co., Ltd. has microwave drying sterilization, microwave thawing, microwave Single Screw and Barrel for PVC Pipe Extruder drying, hot-air drying, combined microwave hot air drying five series of more than 50 products, Single Screw and Barrel for PVC Pipe Extruder has been widely used in food, condiment, agricultural and sideline products, medicine, flowers, wood, building materials, chemical raw materials, ceramics, rubber and other areas.Jinan Joysun Machinery Co., Ltd. has a group of professional sales team, established a perennial cooperative relations with some well-known domestic and foreign universities and enterprises,equipment exported to Europe, South America, Africa, Southeast Asia, the Middle East, Japan, South Korea, more than 30 countries and regions.
consists of a feeding system, an extrusion system, a rotary cutting system, a heating system, a transmission system, and a control system. The use of advanced screw extrusion technology, the use of high temperature and high pressure material curing and expansion molding, one-time completion. The host adopts variable frequency speed regulation to ensure the stability of the production process. Product color, variety, appearance, natural and realistic, delicate texture, raw materials are widely used.