64 Copyright Silca 2004
IDEA Operating Manual - English
5.15.4 Bit construction
The "BIT CONSTRUCTION" function is useful when a positive tooth (the high part between two lows) has
broken off. As the program cannot formulate hypothetical compensation because it is not possible to read
the missing part of the bit, the operator must reconstruct the tooth involved, determining its position from the
front of the bit and establishing the measurements of the cuts (height from the stem axis).
It is possible to reconstruct up to a maximum of 6 teeth on each bit side (fig. 91).
NOTE: always calculate the position of the tooth from STOP 0.
Fig. 91
Select BIT 1 for example.
Enter the position “from”, “to” and “height” of the tooth and press ENTER to confirm.
Go on to the next tooth by pressing the [arrow Down].
Press STOP to quit.
BIT CORRECTION
Select the bit:
1 - Bit 1
2 - Bit 2
Bit: 1 Tooth: 1
From: 0 to: 180
Height: 1200
Up Down
n
p
[ENTER}
Bit: 1 Tooth: 2
From: 180 to: 360
Height: 1500
Up Down
n
p
[ENTER}
Bit: 2 Tooth: 1
From: 1920 to: 2100
Height: 1350
Up Down
n
p
[ENTER]
1st side
2nd side
missing
tooth
missing
tooth
from 00.00
to 01.80
Stop 0
from 19.20
to 21.00
H 10.00
H 13.50
H 11.00
H 12.00
to 03.60
H 15.00
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