Star Lase Systems Pvt Ltd

Jewelry Hallmarking Machine Description

The Jewelry Hallmarking Machine is a high-precision laser marking system specially designed for BIS hallmarking and permanent engraving on gold, silver, and precious metal jewelry. Using advanced fiber laser technology, it ensures clear, accurate, and tamper-proof hallmark marks without damaging the jewelry surface.

This machine produces fine, non-contact, and permanent marks, maintaining the original shine and value of jewelry. It is widely used by jewelry manufacturers, hallmarking centers, retailers, and testing laboratories for compliant and professional marking.

Key Features

• BIS-approved hallmarking quality

• High-precision fiber laser for detailed micro marking

• Permanent, non-removable, and non-fading marks

• No heat effect or deformation on jewelry

• Low power consumption and maintenance-free operation

• User-friendly software with logo, text & serial number marking

Suitable Materials

• Gold jewelry (14K, 18K, 22K)

• Silver jewelry

• Platinum & other precious metals

Applications

• BIS Hallmark & purity marking

• Jewelry logo branding

• Serial numbers & identification marks

• Decorative engraving on rings, bangles, chains & pendants

Benefits

• Maintains jewelry finish and weight

• Fast marking with high repeat accuracy

• Long laser life ensures continuous operation

• Compact design suitable for showrooms and labs

A Gold Hallmarking Machine is a specialized piece of equipment used to permanently mark gold jewelry and other gold items with official hallmarks, logos, purity grades, and identification codes. These marks certify the authenticity, purity, and origin of the gold according to industry and legal standards (e.g., BIS hallmarking in India). 

Gold hallmarking machines typically use laser technology — most often fiber lasers — to make extremely precise, high-quality markings without physically touching or damaging the delicate surface of the jewelry.

Gold hallmarking machines typically use laser technology — most often fiber lasers — to make extremely precise, high-quality markings without physically touching or damaging the delicate surface of the jewelry.

Laser Marking:
The machine fires a focused laser beam in controlled pulses. These pulses remove microscopic amounts of material, creating a clean, permanent mark. Because the laser does not physically touch the surface, there’s no scratching or mechanical stress.

Verification:
The final hallmark is inspected for clarity and accuracy, often using magnification, to ensure it meets the required standards. 

Key Features & Benefits 🔹 Precision & Quality

• Highly accurate marking — even on small or curved surfaces of intricate jewelry pieces.

• Fine beam diameter ensures crisp, legible marks.

  Key Features & Benefits🔹 Precision & Quality

   

  • Highly accurate marking — even on small or curved surfaces of intricate jewelry pieces.

  • Fine beam diameter ensures crisp, legible marks.

    Non-Contact Marking

     

    • The laser does not apply pressure or touch the gold, preventing distortion or damage.

    • Ideal for delicate designs and thin jewelry.  

 

A laser jewelry hallmarking machine is a precision marking system that uses a concentrated laser beam to permanently inscribe marks on jewelry made of precious metals — like gold, silver, and platinum. Unlike traditional mechanical or chemical marking, the laser does not touch the metal and causes no damage, scratching, or weight loss.

How It Works

1. Design Input & Setup
   The hallmark design (e.g., manufacturer’s logo, metal purity mark, serial number, QR code) is created and loaded into the machine’s software.
   
   

   How It Works

   1. Design Input & Setup
      The hallmark design (e.g., manufacturer’s logo, metal purity mark, serial number, QR code) is created and loaded into the machine’s software.
      
      Laser Marking
      A high-precision fiber or diode laser emits short pulses that remove microscopic amounts of material to form the hallmark — this process is non-contact and highly accurate. 
      
      Laser Marking
      A high-precision fiber or diode laser emits short pulses that remove microscopic amounts of material to form the hallmark — this process is non-contact and highly accurate. 
      
      Verification
      After marking, the hallmark is inspected for clarity and compliance with standards (e.g., BIS hallmarking requirements in India).

      Key Features

      • High precision & permanent marks — Crisp, legible hallmarks even on small or curved surfaces.
        Non-contact process — No physical pressure or damage to delicate pieces.

      • Typical Specifications

        • Laser Type: Fiber or DPSS/diode laser (commonly 1064 nm wavelength). 

        Versatile — Can mark logos, text, serial numbers, QR codes, and intricate patterns.
        Marking Area: Varies (e.g., 50 mm × 50 mm up to 300 mm × 300 mm).

      • Power: Often 20 W to 100 W depending on model and application.

      •  Marking Depth: Adjustable (e.g., 10–300 µm).

      • Cooling: Air cooling is typical.

        Common Uses

        • Official hallmarking of gold and silver jewelry for purity certification.
          
          

        • Branding & logos on custom pieces.

        • Branding & logos on custom pieces.

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