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International Journal of Interdisciplinary Research

Table 3 Influential AM parameters on dimensional accuracy

From: Performance of wearables and the effect of user behavior in additive manufacturing process

AM process

Layer thickness (mm)

Air gap (mm)

Raster angle

Part orientation

Outcome

Ref.

Warp deformation or dimensional accuracy (mm)/shrinkage (%)

SL

FDM

LS

  

0

 

Part A

Part B

Kim and Oh (2008)

30

94% for 0.2

85% for 0.2

60

84% for 0.15

72% for 0.15

90

70% for 0.1

55% for 0.1

 

42% for 0.05 in SL

28% for 0.05 in SL

 

88% for 0.2

90% for 0.2

 

73% for 0.15

80% for 0.15

 

61% for 0.1

61% for 0.1

 

4% for 0.05 in FDM

40% for 0.05 in FDM

 

78–88% for 0.2

97–99% for 0.2

 

71–77% for 0.15

92–97% for 0.15

 

58–61% for 0.1

78–92% for 0.1

 

34–39% for 0.05 in LS

52–70% for 0.05 in LS

FDM

  

Raster, contour, contour/raster

 

0.1–1.8

Wang et al. (2007)

FDM

0.1778

− 0.001

0

 

25.63

25.68

25.68

Nancharaiah et al. (2010)

0.254

0

30

25.64

25.67

25.6

0.33

+0.001

45

25.7 for layer thickness

25.65 for raster angle

25.67 for air gap

 

0.001

    
 

0.002

    

LS

Laser power (W) 24, 28, 32, 36

Scan speed (mm/s) 3000, 3500, 4000, 4500

Part bed temperature © 175, 176, 177, 178

X

0.37–1.13

Raghunath and Pandey (2007)

Hatch spacing (mm) 0.22, 0.24, 0.26, 0.28

Scan length (mm) 30, 45, 60, 75

Y

0.38–1.32

  

Z

2.65–4.02

SL

   

Three types of orientation

Volume of inaccuracy

Xu et al. (1999)

LS

3.75 (SL), 3.75 (LS), 3.35 (FDM) for orientation 1

FDM

3.35 (SL), 3.35 (LS), 2.31 (FDM) for orientation 2

 

3.36(SL), 3.36(LS), 2.31(FDM) for orientation 3