Double Pitch Conveyor Chains

DOUBLE PITCH CONVEYOR CHAINS

Double Pitch Conveyor Chains – Brief Summary

Key Design & Structural Features

1. Pitch AdvantageDouble pitch (2× standard chain pitch) reduces the number of chain links and sprocket teeth required for the same conveying length, lowering overall system cost and simplifying installation. The longer pitch also enhances load distribution for heavy, bulky materials.
2. Component Configuration

• Roller Types: Available with standard rollers (for low-friction sliding on conveyor beds), large rollers (for uneven surfaces), or rollerless bushings (for high-load drag applications).

• Plate Design: Thicker side plates than standard chains for improved tensile strength; hollow pins are optional for mounting attachments directly.

• Attachments: Customizable options including A1/A2 extended pins, C1/C3 carrier plates, K1/K2 offset lugs, and W1/W2 scrapers to suit bulk material, carton, or part conveying.

3. Material & Finish

• Oil-blackened: For dry, indoor environments.

• Zinc-plated/hot-dip galvanized: For mild corrosion resistance (outdoor/humid settings).

• Stainless steel (304/316): For food processing, chemical, or washdown applications.

• Base Material: Heat-treated alloy steel (pins induction-hardened for wear resistance; plates shot-peened for fatigue strength).

• Surface Finishes:

4. Performance Limits

• Operating temperature: -20°C to +120°C (stainless steel up to +200°C).

• Max operating speed: ≤1.5 m/s (optimized for low-speed conveying; not recommended for high-speed power transmission).

• Safety factor recommendation: ≥4 (for static loads) / ≥6 (for dynamic/vibrating loads).

Application Scenarios

• Primary Uses: Packaging lines, automotive assembly conveyors, grain elevators, pallet handling systems, and bulk material (coal, aggregate, fertilizer) transport.

• Ideal Conditions: Low-speed, heavy-load, long-distance conveying where space and cost efficiency are priorities.

• Limitations: Not suitable for high-speed power transmission or high-impact applications; avoid exposure to strong acids/alkalies unless using stainless steel variants.

Selection & Maintenance Guidelines

1. Model Matching

• Choose the chain model based on conveyed load weight, center distance, and attachment requirements. For example, C2040 for light carton conveying; C2080 for heavy pallet handling.

• Match with ANSI/DIN standard double pitch sprockets (do not use standard single-pitch sprockets, as they will cause uneven wear).

2. Installation Tips

• Ensure the conveyor bed is level to prevent lateral chain drift.

• Maintain proper tension: 1–2% of center distance (slack side sag should be minimal to avoid chain derailment).

• Use chain guides (UHMWPE or steel) for long conveyors to reduce friction and wear.

3. Maintenance Best Practices

• Lubricate pins and bushings every 1–2 weeks with high-pressure grease (use food-grade lubricant for food industry applications).

• Inspect attachments monthly for loose welds or deformation; replace worn rollers/pins immediately to prevent chain failure.

• Clean galvanized/stainless steel chains regularly to remove debris buildup.