FAQ's & Our Equipment

Q. I have a welding application that I would like to have processed on a laser. The material is .06 inch thick 316 stainless steel. Can this material be laser welded and what type of laser would be best?

A. .316 stainless steel cam be welded with a variety of lasers. The most common lasers you would see used for welding would be Nd: Yag, or CO2. They both would do an adequate job, however choosing the correct laser type would largely depend on the material type and thickness you wish to weld. The power required to achieve 0.06 inch penetration would be in the 700 watt range. A rule of thumb for weld penetration is at 30 IPM (inches per minute) and 100 watts of power would result in approximately .01" penetration.

Q. What does AFC stand for, and what is it's function with regards to laser cutting?
 
A. Auto Focus Control, this is measured from the tip of the laser beam director by measuring amount of electrical current that the cutting surface naturally gives off to the beam director head. Even though the actual laser head never touches the cutting surface, they still conduct a relatively large amount of current between these two surfaces. A good analogy to compare this to everyday knowledge would be static electricity, this electrical energy gets transferred between you and (lets say a door handle) producing a shock well before you ever touch the door handle.  

Q. Is a shielding gas required for laser welding?
 
A. For a clean weld, shielding gas is required. Helium or Argon are common gases used.
Common assist gases used with laser cutting: 

    Air is used for:
  • Thin metals
  • Paper
  • Wood
  • Plastic
    Oxygen is used for:
  • Steel
    Nitrogen is used for:
  • Steel up to 1/2" thick
  • Stainless Steel
  • Aluminum

Q. How does a laser cut material?

A. The laser beam is focused to a small spot size known as the focal point. When the focused beam encounters a reactive material it causes melting and vaporization. An assist gas is used through a nozzle to remove the melted material leaving a clean cut edge.

The word LASER is an acronym:

  • Light
  • Amplification by
  • Stimulated
  • Emission of
  • Radiation

Do you have a question for LaserGuide, Inc.? 
Email us at
laserguide@frontiernet.net

DETAILED INFORMATION ABOUT OUR EQUIPMENT IS COMING SOON TO THIS PAGE!

 Additional Services include refurbishing Analytical Equipment to factory condition and consulting services.

Machines Systems Currently in-house include:

-  Agilent 1200 Series HPLC System,

-  Shimadzu LCMS-8040 Triple Quadrupole LC/MS/MS System

-  Thermo Trace ULTRA GCMS GC/MS DSQ II

More information will follow soon.