CAMT CAMT Machine Calibration & Process Parameters

Question 1

What is the critical first calibration step when setting up an FDM 3D printer for production use?

Accepted Answer

Leveling the build plate and setting the correct Z-offset

Answer

Build plate leveling and Z-offset calibration ensure the nozzle is at the precise distance from the bed for optimal first layer adhesion, which is fundamental to every successful print.

Question 2

In a laser powder bed fusion (LPBF) system, what is the purpose of laser scan field calibration?

Accepted Answer

To ensure the laser accurately addresses all X-Y positions across the entire build area

Answer

Laser scan field calibration corrects the galvanometer mirror positioning to ensure the laser accurately addresses every coordinate within the build area, preventing geometric distortion in printed parts.

Question 3

What does 'recoater calibration' refer to in powder bed fusion additive manufacturing systems?

Accepted Answer

Adjusting the powder spreading blade or roller for uniform layer thickness across the build area

Answer

Recoater calibration adjusts the height and levelness of the spreading mechanism to ensure every powder layer is deposited at a uniform, precise thickness across the full build area.

Question 4

Why is extruder (e-steps) calibration important in FDM additive manufacturing?

Accepted Answer

It ensures the extruder motor delivers the correct filament length per commanded move

Answer

E-steps calibration ensures the extruder motor moves the exact filament length commanded by the G-code, preventing under-extrusion (weak, incomplete layers) or over-extrusion (blobbing and dimensional errors).

Question 5

In stereolithography (SLA) printing, what does 'cure depth calibration' determine?

Accepted Answer

The depth to which UV light cures the resin per layer exposure

Answer

Cure depth calibration establishes how deeply the UV source cures the photopolymer resin per exposure, ensuring proper layer formation and interlayer bonding throughout the build.

CAMT - Certified Additive Manufacturing Technician Practice Test

CAMT - Certified Additive Manufacturing Technician Practice Test

CAMT CAMT Machine Calibration & Process Parameters