Screws and bolts used in manual pallet jacks are precision-engineered fasteners designed to withstand high stress and repeated operational cycles. They are typically made from high-strength steel and undergo specialized treatments to enhance durability. These components play a vital role in maintaining the structural integrity of pallet jacks, ensuring smooth and safe material handling operations.
Role & Function
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Structural Integrity: Securely join critical parts like forks, chassis, and hydraulic systems.
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Safety Assurance: Prevent component loosening or failure during lifting and moving loads.
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Load Distribution: Help distribute mechanical stress evenly across the pallet jack framework.
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Easy Maintenance: Enable quick disassembly and reassembly for repairs or part replacements.
Production Process
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Material Selection: High-grade carbon steel or alloy steel.
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Cold/Hot Forging: Precision shaping for consistent thread and head geometry.
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Heat Treatment: Quenching and tempering to achieve optimal hardness and toughness.
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Surface Coating: Zinc plating, galvanization, or phosphate coating for corrosion resistance.
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Quality Inspection: Dimensional checks, torque testing, and salt-spray tests for reliability.
Advantages
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High Tensile Strength: Resists deformation under heavy loads.
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Corrosion Resistance: Suitable for warehouse and industrial environments.
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Vibration Resistance: Thread-locking features reduce loosening from continuous use.
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Interchangeability: Standardized threads (e.g., metric, UNC) ensure compatibility.
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Cost-Effective: Long service life reduces maintenance and replacement frequency.
Applications
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Pallet Jack Assembly: Used in manufacturing and repair of manual pallet jacks.
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Logistics & Warehousing: Essential for equipment maintenance in distribution centers.
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Industrial Maintenance: Securing components in material handling systems.
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Retail & Manufacturing: Supporting day-to-day operations of pallet jack fleets.
