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2.4.5 ATC
An ATC (Automatic Tool Changer) provides several advantages in extend-
ing no or low-attendant machining, automatic multiple operations, and
assigning spare tools for long job runs. The standard ATC is an A4 rack
type with an A8, A16, or A24 carousel types available.
Table 2-10
lists ATC
specifications.
2.4.5.1 Maximum Electrode Size
Maximum electrode length and
diameter (
Figure 2-7
) are limited
by ATC size, chuck type, and
work tank position.
Maximum electrode diameter
varies by ATC size. Maximum
electrode length varies with
chuck type and work tank posi-
tion. See
Table 2-11
.
• Maximum length is based on
work tank in full up position.
T
ABLE
2-10
ATC SPECIFICATIONS
Item Specification
Tool Selection Random or Sequential
Tool Change Time Approximately 45 Seconds
Max Electrode Weight by ATC 5kg
T
ABLE
2-11
ELECTRODE LIMITATIONS BY
ATC
SIZE AND CHUCK TYPE
ATC Size
Maximum Length
1
Maximum
Diameter
3R Macro EROWA
A4 230mm 250mm 80mm
A8 230mm 250mm 80mm
A16 230mm 250mm 60mm
A24 230mm 250mm 60mm
1
Maximum length with work tank in full up position.
F
IGURE
2-7
ELECTRODE SIZE LIMITATIONS
Legend
[A] 230mm [C] 60mm
[B] 250mm [D] 80mm