Wire EDM Machine Operation Chapter 12
Copyright November, 98 Page 12-2 Sodick Inc.
M
M
A
A
I
I
N
N
T
T
E
E
N
N
A
A
N
N
C
C
E
E
C
C
H
H
E
E
C
C
K
K
L
L
I
I
S
S
T
T
BY THE HOUR CHECKS
1) Carbide power feeders every 70 Hours. See page 12-4
DAILY CHECKS
1) Water level in the dielectric tank. See page 12-4
2) Water filter pressure. See page 12-4
3) Wipe off the grit on the gray round portion of the lower arm.
4) Water resistivity . See page 1-4 & 12-3
5) Squareness of the wire. See page 14-7
6) Upper and lower flushing nozzles. See page 12-4
7) Aspirators. Check for slurping sound at work tank front door.
8) Wire disposal bin . Empty if more than half full.
9) Lower wire roller. See page 12-5
10) Wire ejection rollers . See page 12-5
11)AWT Unit See page 12-6
12)Wire Cutter Unit See page 12-7
WEEKLY CHECKS
1) Clean air filters on control and water chiller.(blow off dust)
2) Clean floppy disk drives using cleaning disks.
3) Grease machine ways. See page 12-6
4) Clean and lubricate (grease film) the upper wire guide slide on machines with AWT.
5) Clean the worktank and table. See page 12-4
BI-WEEKLY
1) Clean lower head and check lower head alignment height. See page 12-10
2) Remove and clean lower wire roller. See page 12-5
MONTHLY
1) Clean resistivity probe inside the dielectric tank.
2) Clean discharge cable ends inside worktank. (emery cloth)
3) AWT machines: Drain accumulated water from the air pressure regulator.
4)AWT machines: Check oil level in air hydro unit for upper guide (on side of machine).
Refill with AWT oil from Sodick Parts dept. or Mobil DTE 24,SIO grade 32, sold by
Grainger (p.n. 4ZF33). This is a spindle oil. Both resevoirs floats should be between the
lines when full.
5)Clean wire guides. See page 12-5
QUARTERLY
1) Grease machine. See page 12-6 or your “Machine Tool” manual.