MANUFACTURING PROCESSES
Dot Peen Marking
Dot Peen Marking is a precise, high-speed method used to permanently mark metal components, making it highly suitable for engineered fasteners and critical components. Unlike traditional die stamping, Dot Peen marking creates indented or raised patterns by a controlled pin that strikes the surface, allowing for flexible, durable, and high-contrast markings directly on the part.
The Dot Peen Marking Process:
Dot Peen Marking uses a computer-controlled stylus to indent the metal surface with a series of dots, forming characters, logos, or traceability codes. Key steps include:
1. Material Preparation:
Components such as bolts, screws, washers, or brackets (commonly steel, stainless steel, aluminum, or brass) are cleaned and positioned for marking.
2. Tooling Setup:
The Dot Peen marking system is programmed with the desired text, symbols, or codes.
The marking stylus is aligned to the exact location on the component.
3. Marking Operations:
The stylus creates a series of dots on the metal surface, forming permanent marks.
Marking types include:
Part Numbers & Serial Codes: Ensures traceability and inventory tracking.
Logos & Branding: Adds company or product identifiers directly on the fastener.
Specifications: Marks material grade, size, or compliance information.
4. Final Processing:
After marking, components may undergo secondary processes such as deburring, coating, or inspection to meet quality standards.
Enhancements in Dot Peen Technology:
CNC Integration: Automated positioning allows precise placement on small or irregular components.
High-Speed Marking: Modern systems achieve faster cycle times for large production runs.
Flexible Materials: Can mark a wide range of metals, including hardened or coated surfaces.
Automation: Robotic handling systems improve consistency, reduce labor, and integrate with production lines.
Advantages of Dot Peen Marking:
Permanent Identification: Marks are durable and resistant to wear, corrosion, and heat.
Precision & Clarity: High-resolution marking ensures legible, repeatable results.
Versatility: Can mark flat, curved, or irregular surfaces without additional tooling.
Cost Efficiency: Eliminates the need for custom dies for each mark, reducing setup costs.
Traceability & Compliance: Supports industry standards for part identification and quality control.
Applications in Engineered Fasteners:
Dot Peen Marking is widely used for marking critical components where traceability, compliance, and branding are essential. Applications include:
Flat Fasteners: Washers, clips, and retaining rings marked with part numbers or logos.
Threaded Fasteners: Bolts, screws, and studs marked before or after threading for identification.
Custom Components: Brackets, flanges, or assemblies requiring specification or serial numbers.
Traceability Marks: Batch numbers, heat codes, or certification information for quality assurance.
Structural Components: Reinforcements and subassemblies marked for installation or inspection purposes.
Limitations
Surface Depth Restrictions: Extremely thin or soft materials may not retain deep marks.
Speed vs. Complexity: Highly detailed marks may require slower marking speeds.
DOING WHATEVER IT TAKES
Putting Manufacturing Exellence Into Practice
The manufacturing processes, testing capabilities, and quality systems featured throughout WN Global support the production of critical components and engineered fastening solutions across demanding industries. Connect with our team to learn how our manufacturing capabilities can support your project requirements.
