Variable Diameter & Pitch Helical Screw Assembly

Product Overview

Jiahe Conveying's Variable Diameter & Pitch Helical Screw Assembly is an advanced conveying solution featuring progressive geometry changes for specialized material processing. This innovative design combines diameter transitions with pitch modulation to achieve precise control over material flow characteristics throughout the conveying path.

Technical Specifications

Design Features

1. Precision Geometry Control

• Diameter reduction ratios up to 1:0.75

• Pitch compression ratios up to 1:3

• Smooth transition zones (minimum 3D length)

2. Process-Specific Profiles

• Converging designs for material compression

• Diverging configurations for decompression

• Combination profiles for multi-stage processing

3. Enhanced Performance

• Gradual density control

• Optimized material acceleration

• Reduced particle degradation

Performance Characteristics

• Throughput Control: ±5% consistency

• Density Variation: Up to 3:1 ratio

• Energy Efficiency: 15-25% improvement over fixed designs

• Material Preservation: <2% breakage rate

Industrial Applications

Food Processing

• Gentle nut/bean conveying

• Density-controlled filling

• Aeration control systems

Chemical Industry

• Catalyst loading

• Polymer compaction

• Powder conditioning

Mineral Processing

• Ore pre-concentration

• Tailings compaction

• Classified material handling

Customization Options

• CAD-optimized transition curves

• Wear-resistant edge treatments

• Integrated monitoring sensors

• Sanitary finishes (Ra ≤ 0.8μm)

• Explosion-proof construction

Why Choose Our Variable Geometry Screws?

✔ Precision material flow control
✔ Process-optimized profiles
✔ Reduced energy consumption
✔ Application engineering support

Contact our specialists for your custom geometry requirements!