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Stainless Steel

needham laser tech steel tag

Flexible, innovative solutions

 

There are two options for laser technology that can be used to engrave stainless steel: CO2 and fiber.

CO2 laser engraving machines are particularly sensitive equipment that requires frequent adjustment and realignment. Moreover, CO2 lasers are not readily compatible with cutting and engraving of reflective materials, including stainless steel. Without any pre-treatment, CO2 systems will only recoil off of a metal surface. Laser etching stainless steel using a CO2 machine often involves coating the metal part with specialist paint, which the laser then “burns” off.

metal drill bit

 

THE BEST OPTION

FAST & EFFICIENT 

 

Fiber laser machines are the standard technology for metal engraving. Merely varying the wattage output of a fiber laser allows it to create different markings and engravings with varying depths. A fiber machine is also very accurate – with diameters as low as 0.1mm, fiber lasers can create incredibly detailed designs. Best of all, fiber machines do not require pre-treatment to etch stainless steel.

A fiber laser also finishes the same amount of work faster – the output of 2 or 3 CO2 machines can be reproduced by a single fiber laser system. In terms of electrical efficiency, fiber lasers are clearly the winner, using only about a third of the power to produce the same amount of work as a CO2 laser.


Industrial Applications

 

Stainless steel is one of the most widely used metals across several industries. Prized primarily due to its corrosion resistance, stainless steel comes in different grades and variants according to the ratio of chromium and molybdenum mixed into the steel alloy material.

In addition to its distinct corrosion resistance, stainless steel also has a measure of resistance against acid attack. It is a durable and versatile material that has a visual appeal due to its characteristic lustre and can stand up to most steam cleaning and sterilisation treatments.

 

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Medical

 

The medical industry is a particularly heavy user of stainless steel because of the industry’s strict requirement for materials that will not produce or transmit biological and chemical contaminants. Surgical tools made of this metal can withstand repeated cycles of sterilisation by autoclave and the oxidative effect of several sterilising chemicals. Stainless steel prosthetics, such as hip bone replacements and cranial plates, can be made of alloys especially designed to resist mechanical wear and biological reactions.

Lasers engraving technology of complies with the FDA’s mandate to mark all medical tools and devices with a unique device identifier (UDI). This requirement creates a system of traceability and liability for all medical devices, where each product can be traced and identified to its manufacturer. Having such a system compels medical device manufacturers to be accountable for the quality of their products in case of a product recall.

Medical devices, in particular, should not have deep etches, as these become perfect breeding grounds for bacteria. This makes annealing stainless steel the ideal appropriate process for marking, as it merely changing the colour of the metal through a chemical reaction without consuming any of the material. The surface of the material remains as smooth as it was before the engraving process.

 

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medical tools with images focussing on the laser markings

 

Automotive

The automotive industry is another industry that benefits from the use of laser technology to comply with traceability standards. Every vehicle – whether it’s a car, bus, motorcycle, farm machinery, or construction equipment – needs to be marked with a Vehicle Identification Number (VIN) once it leaves the manufacturing facility. The VIN is a 17-character serial number that is commonly marked at various components of the vehicle such as the chassis and the engines. Moreover, automotive manufacturers regularly make their own marks on their parts, whether to serve their own tracking system or simply to provide branding.

 

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desktop pro

FEATURE RICH & ROBUST

 

The N-Lase Desktop Pro Laser is the ideal tool for etching, marking or engraving a wide variety of applications, including metals, plastics, cardboard, wood and more.

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N-Lase desktop pro swirl

 

 

FLEXIBLE, POWERFUL, DEPENDABLE

 

 

 

 

benchtop

N-Lase Benchtop Laser

The N-Lase Benchtop laser is a large form-factor system that can fit almost any laser source within our range! Boasting an expansive working area and 3-sided access it is ideal for the larger more demanding tasks. What’s more, due to the N-Lase Benchtop modular design and larger size, it can be upgraded with anything from a 4-axis control system to auto-part recognition

 

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benchtop

flexible, powerful, dependable

The N-Lase Benchtop laser is a large form-factor system that can fit almost any laser source within our range! Boasting an expansive working area and 3-sided access it is ideal for the larger more demanding tasks. What’s more, due to the N-Lase Benchtop modular design and larger size, it can be upgraded with anything from a 4-axis control system to auto-part recognition

 
Supersize now

 

N-Lase Benchtop Laser

 

 

THE FULL PRODUCT RANGE

FOR ALL YOUR LASER NEEDS