WAAM | FIT Additive Manufacturing Group

Why FIT?

As an early adopter of WAAM, we are intimately familiar with the technology and can manufacture components with complete reliability.
Our extensive selection of materials, the outstanding quality of the components, and the rapid build-up rates open up a whole range of applications for manufacturing individual parts, small series, or 3D printed spare parts.
WAAM allows us to quickly print numerous individual structures on a base body when low quantities and a high component variance are required.

WAAM - description of the process

Wire Arc Additive Manufacturing (WAAM) uses arc welding to build up the component in layers. A metal wire is melted at the right place using a welding torch to form the desired blank. The rotating building platform means that the material build-up takes place across 5 axes with a maximum component size of 1 m³. This allows complex structures or cavities to be manufactured. The built-up component is then finally machined by CNC milling.

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Benefits of wire arc additive manufacturing

Material savings with targeted material application
Up to 60 % cheaper than subtractive CNC manufacturing
High build-up rate of up to 600 cm³/h, making it much faster than powder bed-based technologies
High variety of materials
Minimum distortion and low residual stress in the component
Pore-free layer structure
Hybrid construction, i.e. welding onto semi-finished products

Machine capacities

1 x GEFERTEC GTarc 800-5
Envelope: Ø 900 x 1,100 mm

Materials for wire arc additive manufacturing

Virtually all weldable wires, e.g. steel, aluminum, Ni-base, NF metals
Steel: 1.5125, 1.4316, 1.4316 |X1 CrNi 19, 1.4332 |X2 CrNi 24 1,1.4370 |X5 CrNiMn 18, 1.4430 |X2 CrNiMo 19 12, 1.4462 |X2 CrNiMoN 22 8 3, 1.4551 |X5 CrNiNb 19 9, 1.5125 |G3Si1, 1.5130 |G4Si1
Aluminum: 3.2245 |AlSi5, 3.2371 |AlSi7Mg, 3.3536 |AlMg3, 3.3546 |AlMg4.5MnZr, 3.3548 |AlMg4.5Mn0.7, 3.3556 |AlMg5Cr
Copper-aluminum: 2.0921 |CuAl8

Post-processing options

Blasting
Polishing
HPHT (High pressure heat treatment)

Applications of wire arc additive manufacturing

Ideal for the rapid production of high-quality blanks for subsequent final machining of spare parts
Repairing of damaged components or parts of components

FIT AG
Am Grohberg 1
92331 Lupburg
Germany

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