Influence of the Laser-Cladding Scanning Path on Thin-Plate Distortions

Mingyuan Pei; Aiyiti Wurikaixi; Shengquan Wang

doi:10.3788/LOP57.171403

Laser & Optoelectronics Progress, Volume. 57, Issue 17, 171403(2020)

Influence of the Laser-Cladding Scanning Path on Thin-Plate Distortions

Mingyuan Pei, Aiyiti Wurikaixi^*, and Shengquan Wang

Author Affiliations

School of Mechanical Engineering, Xinjiang University, Urumqi, Xinjiang 830047, China

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Figures & Tables(11)

Fig. 1. Scanning path. (a) Single-direction scanning; (b) reciprocating scanning; (c) spiral scanning

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Fig. 2. Dynamic distortion measuring device. (a) Sensor array; (b) thin plate measuring point

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Fig. 3. Dynamic distortion curves. (a) Single-direction scanning; (b) reciprocating scanning; (c) spiral scanning

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Fig. 4. Distortion cycle. (a) Single-direction scanning; (b) reciprocating scanning; (c) spiral scanning

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Fig. 5. Thin plate distortion diagram. (a) Single-direction scanning; (b) reciprocating scanning; (c) spiral scanning

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Fig. 6. Overall distortion diagram. (a) Single-direction scanning; (b) reciprocating scanning; (c) spiral scanning

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Fig. 7. Spiral scanning. (a) Alignment mode; (b) distortion of the back of thin plate

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Fig. 8. Cladding morphology. (a) Single-direction scanning; (b) reciprocating scanning; (c) spiral scanning

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Table 1. Process parameters
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Table 1. Process parameters
Laserpower /W Pulverizedspeed /(g·min^-1) Scanningspeed /(mm·s^-1) Sending powdergas flow /(L·min^-1) Coaxial shieldinggas flow /(L·min^-1) Spotdiameter /mm
1000 8 10 9 15 2

Table 2. Torsional angles of bending distortion
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Table 2. Torsional angles of bending distortion
Measuringparameter Single-directionscanning Reciprocatingscanning Spiralscanning
Distortion atC₁ /mm 1.298 2.372 3.308
Distortion atC₇ /mm 1.473 2.563 3.162
θ /(°) 0.218 0.238 0.182

Table 3. Maximum distortionmm
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Table 3. Maximum distortionmm
Measuring point 1 2 3 Averagevalue
Single-directionscanning 1.473 1.448 1.383 1.435
Reciprocatingscanning 2.563 2.496 2.435 2.498
Spiral scanning 3.308 3.234 3.230 3.257

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Mingyuan Pei, Aiyiti Wurikaixi, Shengquan Wang. Influence of the Laser-Cladding Scanning Path on Thin-Plate Distortions[J]. Laser & Optoelectronics Progress, 2020, 57(17): 171403

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