1. Design: Conical screw barrels have a tapered (conical) design, which helps in efficient material processing and mixing. 2. Materials: Typically made from high-quality steel with advanced coatings like bimetallic or nitride layers for enhanced wear resistance. 3. Types: - Single screw conical barrel - Twin screw conical barrel (used for specific mixing applications) 4. Advantages over cylindrical barrels: - Better mixing and homogenization of materials - Improved pressure and temperature control - Reduced material degradation 5. Maintenance: - Regular inspection for wear and coating damage - Periodic re-coating or refurbishment to extend life 6. Customization: - Specific screw geometry (flight design, pitch) - Special coatings for aggressive materials (e.g., PVC processing) - Size variations for different machine capacities 7. Industry use: - Plastic extrusion (pipes, profiles, sheets) - Injection molding (plastic parts manufacturing) - Rubber processing 8. Performance factors: - Screw speed and torque - Barrel temperature zones for precise control - Material feed rate optimization 1. Dimensions: - Barrel diameter (outer): 80 mm to 250 mm (customizable) - Screw diameter (base to tip): Tapered from 80 mm to 40 mm (example) - Length: 1000 mm to 3000 mm (depends on machine size) - Screw pitch: 30 mm to 80 mm (variable design) 2. Material composition: - Base material: Alloy steel (e.g., 4140 or 4340) - Liner/coating: Bimetallic alloy (e.g., Stellite or Colmonoy) or nitride coating - Hardness: 58-62 HRC (wear-resistant surface) 3. Performance parameters: - Maximum pressure: Up to 250 bar - Temperature range: 150°C to 350°C (depending on material) - Wear resistance: >10, 000 hours (with coating) 4. Screw geometry: - Flight type: Single or double start helical flights - Conical angle: 5° to 10° (design-specific) - Mixing zones: Special mixing elements for homogenization 5. Manufacturing process: - Machining of base steel barrel - Centrifugal casting or hardfacing for bimetallic liner - Precision grinding and polishing of screw surface 6. Testing & quality: - Dimensional inspection (CMM) - Hardness testing of coating - Performance trials in extrusion/injection setup 1. Dimensions: - Barrel diameter (outer): 80 mm to 250 mm (customizable) - Screw diameter (base to tip): Tapered from 80 mm to 40 mm (example) - Length: 1000 mm to 3000 mm (depends on machine size) - Screw pitch: 30 mm to 80 mm (variable design) 2. Material composition: - Base material: Alloy steel (e.g., 4140 or 4340) - Liner/coating: Bimetallic alloy (e.g., Stellite or Colmonoy) or nitride coating - Hardness: 58-62 HRC (wear-resistant surface) 3. Performance parameters: - Maximum pressure: Up to 250 bar - Temperature range: 150°C to 350°C (depending on material) - Wear resistance: >10, 000 hours (with coating) 4. Screw geometry: - Flight type: Single or double start helical flights - Conical angle: 5° to 10° (design-specific) - Mixing zones: Special mixing elements for homogenization 5. Manufacturing process: - Machining of base steel barrel - Centrifugal casting or hardfacing for bimetallic liner - Precision grinding and polishing of screw surface 6. Testing & quality: - Dimensional inspection (CMM) - Hardness testing of coating - Performance trials in extrusion/injection setup 1. Dimensions: - Barrel diameter (outer): 80 mm to 250 mm (customizable) - Screw diameter (base to tip): Tapered from 80 mm to 40 mm (example) - Length: 1000 mm to 3000 mm (depends on machine size) - Screw pitch: 30 mm to 80 mm (variable design) 2. Material composition: - Base material: Alloy steel (e.g., 4140 or 4340) - Liner/coating: Bimetallic alloy (e.g., Stellite or Colmonoy) or nitride coating - Hardness: 58-62 HRC (wear-resistant surface) 3. Performance parameters: - Maximum pressure: Up to 250 bar - Temperature range: 150°C to 350°C (depending on material) - Wear resistance: >10, 000 hours (with coating) 4. Screw geometry: - Flight type: Single or double start helical flights - Conical angle: 5° to 10° (design-specific) - Mixing zones: Special mixing elements for homogenization 5. Manufacturing process: - Machining of base steel barrel - Centrifugal casting or hardfacing for bimetallic liner - Precision grinding and polishing of screw surface 6. Testing & quality: - Dimensional inspection (CMM) - Hardness testing of coating - Performance trials in extrusion/injection setup 1. Dimensions: - Barrel diameter (outer): 80 mm to 250 mm (customizable) - Screw diameter (base to tip): Tapered from 80 mm to 40 mm (example) - Length: 1000 mm to 3000 mm (depends on machine size) - Screw pitch: 30 mm to 80 mm (variable design) 2. Material composition: - Base material: Alloy steel (e.g., 4140 or 4340) - Liner/coating: Bimetallic alloy (e.g., Stellite or Colmonoy) or nitride coating - Hardness: 58-62 HRC (wear-resistant surface) 3. Performance parameters: - Maximum pressure: Up to 250 bar - Temperature range: 150°C to 350°C (depending on material) - Wear resistance: >10, 000 hours (with coating) 4. Screw geometry: - Flight type: Single or double start helical flights - Conical angle: 5° to 10° (design-specific) - Mixing zones: Special mixing elements for homogenization 5. Manufacturing process: - Machining of base steel barrel - Centrifugal casting or hardfacing for bimetallic liner - Precision grinding and polishing of screw surface 6. Testing & quality: - Dimensional inspection (CMM) - Hardness testing of coating - Performance trials in extrusion/injection setup 1. Dimensions: - Barrel diameter (outer): 80 mm to 250 mm (customizable) - Screw diameter (base to tip): Tapered from 80 mm to 40 mm (example) - Length: 1000 mm to 3000 mm (depends on machine size) - Screw pitch: 30 mm to 80 mm (variable design) 2. Material composition: - Base material: Alloy steel (e.g., 4140 or 4340) - Liner/coating: Bimetallic alloy (e.g., Stellite or Colmonoy) or nitride coating - Hardness: 58-62 HRC (wear-resistant surface) 3. Performance parameters: - Maximum pressure: Up to 250 bar - Temperature range: 150°C to 350°C (depending on material) - Wear resistance: >10, 000 hours (with coating) 4. Screw geometry: - Flight type: Single or double start helical flights - Conical angle: 5° to 10° (design-specific) - Mixing zones: Special mixing elements for homogenization 5. Manufacturing process: - Machining of base steel barrel - Centrifugal casting or hardfacing for bimetallic liner - Precision grinding and polishing of screw surface 6. Testing & quality: - Dimensional inspection (CMM) - Hardness testing of coating - Performance trials in extrusion/injection setup 1. Dimensions: - Barrel diameter (outer): 80 mm to 250 mm (customizable) - Screw diameter (base to tip): Tapered from 80 mm to 40 mm (example) - Length: 1000 mm to 3000 mm (depends on machine size) - Screw pitch: 30 mm to 80 mm (variable design) 2. Material composition: - Base material: Alloy steel (e.g., 4140 or 4340) - Liner/coating: Bimetallic alloy (e.g., Stellite or Colmonoy) or nitride coating - Hardness: 58-62 HRC (wear-resistant surface) 3. Performance parameters: - Maximum pressure: Up to 250 bar - Temperature range: 150°C to 350°C (depending on material) - Wear resistance: >10, 000 hours (with coating) 4. Screw geometry: - Flight type: Single or double start helical flights - Conical angle: 5° to 10° (design-specific) - Mixing zones: Special mixing elements for homogenization 5. Manufacturing process: - Machining of base steel barrel - Centrifugal casting or hardfacing for bimetallic liner - Precision grinding and polishing of screw surface 6. Testing & quality: - Dimensional inspection (CMM) - Hardness testing of coating - Performance trials in extrusion/injection setup1. Dimensions: - Barrel diameter (outer): 80 mm to 250 mm (customizable) - Screw diameter (base to tip): Tapered from 80 mm to 40 mm (example) - Length: 1000 mm to 3000 mm (depends on machine size) - Screw pitch: 30 mm to 80 mm (variable design) 2. Material composition: - Base material: Alloy steel (e.g., 4140 or 4340) - Liner/coating: Bimetallic alloy (e.g., Stellite or Colmonoy) or nitride coating - Hardness: 58-62 HRC (wear-resistant surface) 3. Performance parameters: - Maximum pressure: Up to 250 bar - Temperature range: 150°C to 350°C (depending on material) - Wear resistance: >10, 000 hours (with coating) 4. Screw geometry: - Flight type: Single or double start helical flights - Conical angle: 5° to 10° (design-specific) - Mixing zones: Special mixing elements for homogenization 5. Manufacturing process: - Machining of base steel barrel - Centrifugal casting or hardfacing for bimetallic liner - Precision grinding and polishing of screw surface 6. Testing & quality: - Dimensional inspection (CMM) - Hardness testing of coating - Performance trials in extrusion/injection setup 1. Dimensions: - Barrel diameter (outer): 80 mm to 250 mm (customizable) - Screw diameter (base to tip): Tapered from 80 mm to 40 mm (example) - Length: 1000 mm to 3000 mm (depends on machine size) - Screw pitch: 30 mm to 80 mm (variable design) 2. Material composition: - Base material: Alloy steel (e.g., 4140 or 4340) - Liner/coating: Bimetallic alloy (e.g., Stellite or Colmonoy) or nitride coating - Hardness: 58-62 HRC (wear-resistant surface) 3. Performance parameters: - Maximum pressure: Up to 250 bar - Temperature range: 150°C to 350°C (depending on material) - Wear resistance: >10, 000 hours (with coating) 4. Screw geometry: - Flight type: Single or double start helical flights - Conical angle: 5° to 10° (design-specific) - Mixing zones: Special mixing elements for homogenization 5. Manufacturing process: - Machining of base steel barrel - Centrifugal casting or hardfacing for bimetallic liner - Precision grinding and polishing of screw surface 6. Testing & quality: - Dimensional inspection (CMM) - Hardness testing of coating - Performance trials in extrusion/injection setup 1. Dimensions: - Barrel diameter (outer): 80 mm to 250 mm (customizable) - Screw diameter (base to tip): Tapered from 80 mm to 40 mm (example) - Length: 1000 mm to 3000 mm (depends on machine size) - Screw pitch: 30 mm to 80 mm (variable design) 2. Material composition: - Base material: Alloy steel (e.g., 4140 or 4340) - Liner/coating: Bimetallic alloy (e.g., Stellite or Colmonoy) or nitride coating - Hardness: 58-62 HRC (wear-resistant surface) 3. Performance parameters: - Maximum pressure: Up to 250 bar - Temperature range: 150°C to 350°C (depending on material) - Wear resistance: >10, 000 hours (with coating) 4. Screw geometry: - Flight type: Single or double start helical flights - Conical angle: 5° to 10° (design-specific) - Mixing zones: Special mixing elements for homogenization 5. Manufacturing process: - Machining of base steel barrel - Centrifugal casting or hardfacing for bimetallic liner - Precision grinding and polishing of screw surface 6. Testing & quality: - Dimensional inspection (CMM) - Hardness testing of coating - Performance trials in extrusion/injection setup 1. Dimensions: - Barrel diameter (outer): 80 mm to 250 mm (customizable) - Screw diameter (base to tip): Tapered from 80 mm to 40 mm (example) - Length: 1000 mm to 3000 mm (depends on machine size) - Screw pitch: 30 mm to 80 mm (variable design) 2. Material composition: - Base material: Alloy steel (e.g., 4140 or 4340) - Liner/coating: Bimetallic alloy (e.g., Stellite or Colmonoy) or nitride coating - Hardness: 58-62 HRC (wear-resistant surface) 3. Performance parameters: - Maximum pressure: Up to 250 bar - Temperature range: 150°C to 350°C (depending on material) - Wear resistance: >10, 000 hours (with coating) 4. Screw geometry: - Flight type: Single or double start helical flights - Conical angle: 5° to 10° (design-specific) - Mixing zones: Special mixing elements for homogenization 5. Manufacturing process: - Machining of base steel barrel - Centrifugal casting or hardfacing for bimetallic liner - Precision grinding and polishing of screw surface 6. Testing & quality: - Dimensional inspection (CMM) - Hardness testing of coating - Performance trials in extrusion/injection setup 1. Dimensions: - Barrel diameter (outer): 80 mm to 250 mm (customizable) - Screw diameter (base to tip): Tapered from 80 mm to 40 mm (example) - Length: 1000 mm to 3000 mm (depends on machine size) - Screw pitch: 30 mm to 80 mm (variable design) 2. Material composition: - Base material: Alloy steel (e.g., 4140 or 4340) - Liner/coating: Bimetallic alloy (e.g., Stellite or Colmonoy) or nitride coating - Hardness: 58-62 HRC (wear-resistant surface) 3. Performance parameters: - Maximum pressure: Up to 250 bar - Temperature range: 150°C to 350°C (depending on material) - Wear resistance: >10, 000 hours (with coating) 4. Screw geometry: - Flight type: Single or double start helical flights - Conical angle: 5° to 10° (design-specific) - Mixing zones: Special mixing elements for homogenization 5. Manufacturing process: - Machining of base steel barrel - Centrifugal casting or hardfacing for bimetallic liner - Precision grinding and polishing of screw surface 6. Testing & quality: - Dimensional inspection (CMM) - Hardness testing of coating - Performance trials in extrusion/injection setup 1. Dimensions: - Barrel diameter (outer): 80 mm to 250 mm (customizable) - Screw diameter (base to tip): Tapered from 80 mm to 40 mm (example) - Length: 1000 mm to 3000 mm (depends on machine size) - Screw pitch: 30 mm to 80 mm (variable design) 2. Material composition: - Base material: Alloy steel (e.g., 4140 or 4340) - Liner/coating: Bimetallic alloy (e.g., Stellite or Colmonoy) or nitride coating - Hardness: 58-62 HRC (wear-resistant surface) 3. Performance parameters: - Maximum pressure: Up to 250 bar - Temperature range: 150°C to 350°C (depending on material) - Wear resistance: >10, 000 hours (with coating) 4. Screw geometry: - Flight type: Single or double start helical flights - Conical angle: 5° to 10° (design-specific) - Mixing zones: Special mixing elements for homogenization 5. Manufacturing process: - Machining of base steel barrel - Centrifugal casting or hardfacing for bimetallic liner - Precision grinding and polishing of screw surface 6. Testing & quality: - Dimensional inspection (CMM) - Hardness testing of coating - Performance trials in extrusion/injection setup 1. Dimensions: - Barrel diameter (outer): 80 mm to 250 mm (customizable) - Screw diameter (base to tip): Tapered from 80 mm to 40 mm (example) - Length: 1000 mm to 3000 mm (depends on machine size) - Screw pitch: 30 mm to 80 mm (variable design) 2. Material composition: - Base material: Alloy steel (e.g., 4140 or 4340) - Liner/coating: Bimetallic alloy (e.g., Stellite or Colmonoy) or nitride coating - Hardness: 58-62 HRC (wear-resistant surface) 3. Performance parameters: - Maximum pressure: Up to 250 bar - Temperature range: 150°C to 350°C (depending on material) - Wear resistance: >10, 000 hours (with coating) 4. Screw geometry: - Flight type: Single or double start helical flights - Conical angle: 5° to 10° (design-specific) - Mixing zones: Special mixing elements for homogenization 5. Manufacturing process: - Machining of base steel barrel - Centrifugal casting or hardfacing for bimetallic liner - Precision grinding and polishing of screw surface 6. Testing & quality: - Dimensional inspection (CMM) - Hardness testing of coating - Performance trials in extrusion/injection setup
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