kelompok 4 wire and bar drawing
TRANSCRIPT
![Page 1: Kelompok 4 wire and bar drawing](https://reader034.vdocuments.net/reader034/viewer/2022042605/58e5af9f1a28ab85798b4b9f/html5/thumbnails/1.jpg)
WIRE AND BAR DRAWING
POLIN P PANGGABEAN 1504305064GEMILANG AYU ISWARI 1504305067STEFANUS DI SALVIO 1504305069
![Page 2: Kelompok 4 wire and bar drawing](https://reader034.vdocuments.net/reader034/viewer/2022042605/58e5af9f1a28ab85798b4b9f/html5/thumbnails/2.jpg)
DRAWING PROCESS
Drawing is a cold metal forming process involving pulling a workpiece through a die providing reduction of the cross section of the workpiece.
![Page 3: Kelompok 4 wire and bar drawing](https://reader034.vdocuments.net/reader034/viewer/2022042605/58e5af9f1a28ab85798b4b9f/html5/thumbnails/3.jpg)
![Page 4: Kelompok 4 wire and bar drawing](https://reader034.vdocuments.net/reader034/viewer/2022042605/58e5af9f1a28ab85798b4b9f/html5/thumbnails/4.jpg)
Change in size of work is usually given by area reduction:
r = where,r = area reduction in drawing;Ao = original area of work;AF = area of final work;
![Page 5: Kelompok 4 wire and bar drawing](https://reader034.vdocuments.net/reader034/viewer/2022042605/58e5af9f1a28ab85798b4b9f/html5/thumbnails/5.jpg)
BATAS TEMPERATURE : temperature kawat tidak lebih dari 160 ºC
BATAS REDUKSI : Batas reduksi 30 – 35 % dari penampang awal
![Page 6: Kelompok 4 wire and bar drawing](https://reader034.vdocuments.net/reader034/viewer/2022042605/58e5af9f1a28ab85798b4b9f/html5/thumbnails/6.jpg)
PROSES DRAWING
AnnealingPicklingCleaningPhosphatingNormalisasi PointingLubrakasi
DRAWING PROCESS
![Page 7: Kelompok 4 wire and bar drawing](https://reader034.vdocuments.net/reader034/viewer/2022042605/58e5af9f1a28ab85798b4b9f/html5/thumbnails/7.jpg)
BENCH DRAW
![Page 8: Kelompok 4 wire and bar drawing](https://reader034.vdocuments.net/reader034/viewer/2022042605/58e5af9f1a28ab85798b4b9f/html5/thumbnails/8.jpg)
Δ FAKTORPerbandingan antara diameter rata-rata terhadap
panjang daerah deformasiPada wire drawing besarnya Δ faktor :
D : diameter kawatL : panjang kontak perm. Kawat dan dies : setengan sudut reduksir : reduksi area (%)
![Page 9: Kelompok 4 wire and bar drawing](https://reader034.vdocuments.net/reader034/viewer/2022042605/58e5af9f1a28ab85798b4b9f/html5/thumbnails/9.jpg)
APPLIKASI