Page 13 - YG 2019
P. 13
◆
CASE STUDY DREAM DRILLS-INOX (Reference page : p.111 ~ p131) CASE STUDY DREAM DRILLS-ALU (Reference page : p.133 ~ p.141)
◆
90
Surface Roughness of Work Piece
80
70
60
CUTTING CONDITION
50 Tools : DREAM DRILLS-ALU
CUTTING CONDITION Size : Ø10
Tools : DREAM DRILLS-INOX Work Material : •AlSI : 6061
40
Size : Ø6 x Ø6 x 44 x 82 •JIS : A6061
Work Material : •AISI : 304 •DIN : AlMgSiCu
30 •JIS : SUS304 R.P.M : 6,367 rev./min.
•DIN : X5CrNi1810 SFM : 656 ft/min.
(X4CrNi18-10) Feed : .0157 ~ .0315 inch/rev.
20 R.P.M : 3,700 rev./min. Drilling Depth : 1.77˝
SFM : 229 ft/min. Coolant : Wet cut
Feed : .0028 inch/rev.
10
Drilling Depth : .94˝
Coolant : Wet Cut
0
0 200 400 ▶YG-1 (Total Drilling 820 Holes) ▶Competitor (Total Drilling 820 Holes)
Drilling (Holes)
YG-1 (Total Drilling 400 Holes)
COMPETITOR A (Total Drilling 400 Holes)
COMPETITOR B (Total Drilling 400 Holes)
