Production Flow Chart Overview

This document presents a detailed production flow chart for manufacturing steel rings, outlining each step from raw material purchase to final packaging and quality control.

1. Raw Material Acquisition and Initial Processing

• Purchase of Steel Bars: The process begins with acquiring steel bars.
• Cut/Saw Bars into Sections: Steel bars are cut into manageable sections for further processing.

2. Heat and Forging Processes

• Heat Sections: Sections are heated to prepare for forging.
• Forge Sections into Rings: Heated sections are forged into ring shapes.
• Annealing Treatment: Rings undergo annealing to relieve internal stresses.

3. Machining and Heat Treatment

• Turning Process: Rings are machined to precise dimensions.
• Heat Treatment: Includes carburizing, hardening, and tempering treatments depending on steel type.
• Steel Type Determination: The process diverges based on whether the steel is carburizing steel, bearing standard through hardening steel, or other types.

4. Grinding and Demagnetization

• Rough Grinding and Finishing Grinding: Rings are ground to achieve required surface finish and dimensional accuracy.
• Tempering Treatment: Additional tempering may be applied after grinding.
• Demagnetization: Rings are demagnetized to remove residual magnetism.

5. Quality Control and Scrap Management

• Multiple Quality Checks: Quality inspections occur at various stages to ensure compliance with specifications.
• Scrap Evaluation: Items failing quality checks are assessed for recoverability.
• Recoverable Scrap: Recoverable scrap is reprocessed or reused.
• Non-Recoverable Scrap: Non-recoverable scrap is discarded.

6. Final Cleaning, Assembly, and Packaging

• Deep Cleansing: Final cleaning to remove contaminants.
• Assembly and Marking: Components are assembled and marked for identification.
• Washing and Packaging: Final washing and packaging prepare the product for shipment.

7. Control Parameters

• Weight and Temperature Control: Critical parameters monitored to ensure process consistency.

Key Points and Best Practices

• Strict quality control at multiple stages minimizes defective products.
• Scrap management includes evaluation for recoverability to optimize material usage.
• Heat treatments are tailored based on steel type to achieve desired mechanical properties.
• Demagnetization ensures product performance in applications sensitive to magnetism.