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Custom Metal Fabrication
The personnel at K & T have extensive experience in the construction of animated figures, dynamic and static structures, piping and power generation components. Welders and welding procedures are qualified per the American Welding Society for steel, stainless steel, and aluminum using a variety of processes including shielded metal arc welding, gas tungsten arc welding, and gas metal arc welding in the pulsed or spray modes. K & T also has an AWS certified welding inspector to develop and qualify these procedures and to qualify additional procedures. This allows work to be performed to other codes such as ASME, API, or MIL specs. Visual weld inspection, liquid penetrate or magnetic particle inspection as well as dimensional verification and material traceability can also be incorporated into the manufacturing process as specified in the contract requirements.
Water Jet Cutting
Our Two Calypso Water Jets can cut virtually any material with the exception of industrial carbides and safety glass. We regularly cut steel, stainless steel and aluminum in thicknesses up to 3". It is also a great tool for plastics and rubber including PVC, UHMW, DELRIN, LEXAN, URETHANE, and BUNA. Also, reflective metals such as brass, bronze, polished stainless steel and copper can be cut with no problem. The overall capacity of the water jet is 60" X 120" with a normal tolerance of +/- .010". This tolerance can be "Fine Tuned" for features such as hole diameter and slots to an accuracy of +/- .005". Another added benefit of water jet cutting as opposed to laser, plasma, and oxy-acetylene is that there is no thermal input into the part which eliminates distortion and work hardening in the cut areas.
Advantages of Abrasive Water Jet Cutting:
- Cuts a wide range of thickness' to reasonable tolerance up to 3" thick.
- Up to 5" or thicker where tolerance is not important, or in soft materials.
- No Heat Generated / No Heat Affected Zones - this is cold cutting.
- No mechanical stresses.
- Cuts virtually any shape.
- Leaves a satin smooth finish, thus reducing secondary operations.
- Clean cutting process without gasses or oils.
- No rough edges, making it easier for a high quality weld.
- Faster than EDM.
- Obtains about the same or higher tolerances than lasers (especially as thickness increases).
Our welding capabilities include:
- Steel: GMAW-pulsed, GTAW, SMAW, FCAW
- Stainless Steel: GMAW, GTAW, SMAW, FCAW
- Aluminum: GMAW-pulsed, GTAW square wave
- Titanium: GTAW
Welding Inspection Capabilities:
- Visual Inspection - certified AWS-CWI
- Liquid Penetrant - certified ASNT-TC-1A Level II
- Magnetic Particle: certified ASNT-TC-1A Level II
GTAW or TIG welding is primarily used in small fabrications and assemblies on stainless steel and aluminum, where a high degree of finish quality is needed. An example of this application would be brushed stainless steel medical research racks.
GMAW or MIG welding is used in the joining of large items or structures. We use only dual power source Miller pulse welders to assure exceptional penetraion and a superior appearing weld. Our personnel have extensive experience in holding tight tolerances during the welding process by controlling distortion. This is accomplished by planning, weld sequence, pre stressing parts at fit-up, and post weld stress relief.
All welders either are or can be certified to meet your requirments. All welding at K&T is monitored by an AWS certified welding inspector to assure applicable code compliance and weld quality.