EasyManua.ls Logo

SAMCHULLY SMD Series - Page 15

Default Icon
24 pages
Print Icon
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Loading...
15
Instruction Manual
- 드릴링은 각재질에 따라 부록을 참고하여 적정한 회전수를 선정
하십시오.
- 절삭 속도에 의한 회전수는 아래에 따라 구합니다.
N : 분당 회전수 / RPM per min.
(RPM)
V : 절삭속도 / Cutting speed
(m/min)
D : 드릴직경 / Drill dia.
(mm)
V=
N=
π×D×N
1,000×N
1,000
π×D
- Refer to the appendix by each material and determine the proper
rpm for drilling.
- The rpm by cutting speed is calculated as follows:
드릴경
Drill dia.
(mm)
연강
Mild steel
반경강
Semi-hard steel
경강
Hard steel
연주철
Mild cast iron
경주철
Hard cast iron
황동
Brass
알루미늄
Aluminum
3 - 1,800 1,270 - - - -
4 1,800 1,350 960 - 1,750 - -
5 1,460 1,080 760 1,800 1,400 - -
6 1,220 900 640 1,500 1,170 - -
8 920 680 480 1,110 880 - -
10 730 540 380 890 700 1,750 -
12 610 450 320 740 580 1,460 2,000
14 520 390 270 640 500 1,250 1,700
16 460 340 240 560 440 1,100 1,500
19 380 280 200 470 370 920 1,250
연강
Mild steel
반경강
Semi-hard steel
경강
Hard steel
연주철
Mild cast iron
경주철
Hard cast iron
황동
Brass
알루미늄
Aluminum
표준절삭속도
Standard cutting speed
(m/min)
23 17 12 28 22 55 75
드릴 회전수 표준치 / Drill RPM sandard
(RPM)