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Which of the following is the correct sequence of steps in one SLS printing layer?

easy📝 Factual Q3 of 15
3D Printing - Fundamentals
Which of the following is the correct sequence of steps in one SLS printing layer?
ASpread powder, lower build platform, laser sinters
BLaser sinters, spread powder, lower build platform
CLower build platform, spread powder, laser sinters
DSpread powder, laser sinters, lower build platform
Step-by-Step Solution
Solution:

  1. Step 1: Understand the layer process in SLS

    First, powder is spread evenly over the build area.

  2. Step 2: Identify the correct order

    Then, the laser sinters (fuses) the powder, followed by lowering the build platform for the next layer.

  3. Final Answer:

    Spread powder, laser sinters, lower build platform -> Option D

  4. Quick Check:

    Layer steps = Spread, sinter, lower [OK]
Quick Trick: Powder spreads before laser sinters in each layer [OK]
Common Mistakes:
MISTAKES
  • Thinking laser sinters before powder spreads
  • Lowering platform before sintering
  • Mixing step order

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