Special-Shaped Screw Flight (Non-Standard Spiral Blade)

Product Overview

The Special-Shaped Screw Flight is a custom-engineered spiral blade designed for unique conveying and mixing applications where standard helical flights are insufficient. These non-uniform spiral blades feature variable pitch, tapered diameters, or asymmetrical geometries to optimize material flow in specialized industrial processes.

Key Features

1. Custom Geometry – Engineered with variable pitch, progressive diameters, or non-helical forms for specialized material handling

2. Precision Manufacturing – CNC-formed using advanced CAD/CAM systems for exact dimensional accuracy

3. Material Versatility – Available in carbon steel, stainless steel (304/316), abrasion-resistant steels (Hardox, AR400), and exotic alloys

4. Enhanced Process Control – Unique shapes improve mixing efficiency, prevent material segregation, or handle delicate products

5. Application-Specific Designs – Includes ribbon flights, cut-flight designs, stepped diameters, and variable-wall thickness configurations

Technical Specifications

Specialized Applications

Industrial Mixing Systems

• Ribbon Blades: For high-viscosity materials like adhesives, polymers, and food products

• Cut-Flight Designs: Prevent material buildup in sticky substances (tars, resins, food batters)

Bulk Material Handling

• Tapered Flights: For feeding systems requiring material compression (biomass, waste processing)

• Variable Pitch: Controls material flow rate in dosing applications (pharmaceuticals, chemicals)

Special Process Requirements

• Asymmetric Flights: For gentle handling of fragile materials (carbon fibers, catalyst beads)

• Stepped Diameters: Used in multi-stage processing equipment (compound extruders, reactors)

Performance Advantages

✔ Superior Process Efficiency – Custom geometries eliminate dead zones and improve material movement
✔ Reduced Energy Consumption – Optimized designs lower torque requirements by up to 30%
✔ Extended Service Life – Wear-resistant configurations for abrasive materials (minerals, recycled glass)
✔ Precision Material Control – Engineered flight forms prevent degradation of sensitive products

Custom Engineering Services

Jiahe Conveying provides complete design-to-manufacture solutions for special-shaped screw flights:

• 3D Modeling & Simulation: Finite element analysis (FEA) for stress and wear optimization

• Prototype Development: Rapid prototyping for performance validation

• Material Selection Consulting: Engineering support for corrosive or high-temperature applications

• Complete System Integration: Flight-to-shaft assembly with dynamic balancing

Quality Assurance

• ISO 9001:2015 certified manufacturing processes

• Dimensional accuracy within ±0.5mm/meter

• Non-destructive testing (MPI, UT) for critical applications

• Full traceability with material certifications