• Spinks India

Hallmarking Laser Machine

Spinks India offers a Minnie Jewellery Hallmarking Laser Marking Machine. Hallmarking is the accurate determination and official recording of the proportionate content of precious metal in gold and silver. Hallmarks are thus official marks used in many countries as a guarantee of the purity of fineness of gold jewellery (BIS). Hallmarking laser marker uses a very small beam diameter; even lesser than 30 microns and yet have very high peak power. The laser has to hallmark on a very highly polished surface. Hence the chances of beam bouncing off are very high. So the hallmarking laser should block the returning beam to avoid damaging its own resonator. A diode laser has less than 10,000 hours of diode life versus more than 100,000 hours life expectancy of fibre laser giving it an edge over diode lasers. Smaller lifespan of the diode laser beam will result in increase in the cost of ownership and thus adding overhead expenses. Normally fibre lasers need two passes to etch gold – first one to frost the gold and second to engrave. This makes the marking less sharp. One clean mark must be preferred for hallmarking gold and silver jewellery. When buying a fibre laser for hallmarking it must be kept in mind that it should do the hallmarking in one pass only and not two passes. Markolaser laser systems have a strong industrial cabinets and work table. The after sales services are unmatched to the extent of providing online diagnostics and solutions in case of any breakdown. Spinks India is a 25-year old group engaged in the business of decoration machines and related technologies. Markolaser specialises in laser marking and engraving machines. The company also offers Laser Marking Machine, Minnie Marker, Pad Printing Machine, Encoder Series, Tampon Printing Machine, CO2 Lasers, etc.