The FIT quality process

The FIT quality process

Control over every single manufacturing step

Additive manufacturing offers many opportunities, but in the process it changes the way components are manufactured. This also changes component properties. This creates uncertainty and means accepting risks. A change of material and/or process is not an easy decision. On the contrary.

We understand that. That's why we are not a black box. Transparency is what counts for us. Many production steps are necessary before your component is created from resin, powder or wire. Traceability and reproducibility are decisive factors, especially in series production. To achieve this, environmental conditions, process parameters and production parameters must be recorded and monitored without interruption. From incoming goods to parameter monitoring and component inspection, we have sophisticated quality processes that we would be happy to show you.

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1. Incoming goods and condition inspection

Testing moment

Tested item

Tested method

Testing purpose

Incoming goods inspection powder
Powder samples taken from the powder delivery
Powder analysis
To check the manufacturer's specifications and the powder and material characteristics (particle size distribution, flowability, moisture content) when ordering powder
Regular powder monitoring
Powder samples taken from the stocks and recycling systems, tensile test pieces, and comparison pieces from the build jobs
Powder analysis, flow measurement, tensile and pressure testing
To detect deviations in the powder and material characteristics in order to ensure a permanently consistent component quality
Machine status monitoring
Machine data and test pieces
Coordinate measuring microscope, measurement of laser beam quality, laser overlap
To monitor machine functionality and maintenance

2. Parameter monitoring

Testing moment

Tested item

Testing method

Testing purpose

Reserve samples and comparison pieces from the build jobs
Test pieces reserved from each build job
Tensile and compression testing
For error analysis in the course of continuous process improvement and material development as well as for process protocols

3. Before a post-processing method

Testing moment

Tested item

Testing method

Testing purpose

Before heat treatment in quench furnace or HPHT (High Pressure Heat Treatment)
End-use part without post-processing
CT scan
For the analysis of the powder residues on/in the component that have to be removed before heat treatment
Before CNC
End-use part without post-processing
Optical 3D scan
To avoid high costs due to post-processing, the part is checked for its quality requirements and an oversize check is performed
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4. After a post-processing method

Testing moment

Tested item

Testing method

Testing purpose

After heat treatment in quench furnace
End-use part
Hardness test, analytical balance, tensile and compression test, CT scan
For the final control of the mechanical properties and to proof the effectiveness of the post-processing technique
After HPHT (High Pressure Heat Treatment)
End-use part
Hardness test, analytical balance, tensile and compression test, CT scan
To proof density and hardness of the component after post-processing and for the final measurement report
After CNC milling
End-use part
Tactile 3D coordinate measurement
For final inspection of the geometry and dimensional accuracy

5. Final tests

Testing moment

Tested item

Testing method

Testing purpose

Final component inspection
End-use part
Density measurement, tensile and compression testing, roughness measurement, tactile 3D coordinate measurement, optical 3D scan, CT scan
For process-related final quality inspection before shipping and for final measurement reports

Other links that may interest you:


Universal testing method

Universal testing method

The method for tensile and compression testing.

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Optical 3D scan

Optiscal 3D scan

The method for exact shape and dimension analysis.

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