C N C 4 2 2 0 M a c hi ne Too l Op e ra t ion an d Te st
38
3) Press the Knife compensation key
to enter the bias interface, and press the
key
to move the cursor and select bias number (the bias number corresponding to this knife is 101);
4) Type the address key
, number key
and Insert
key to set the knife bias in direction
Z to 0 and the current coordinates are Z0;
5) Cut along surface B with the knife;
6) Take out the knife along axis Z when axis X is still, and stop the rotation of main axis;
7) Measure the diameter "α" (suppose α=15
）
;
8) Press the Knife compensation key
to enter the bias interface, and press the
key
to move the cursor and select bias number (the bias number corresponding to this knife is 101);
9) Type the address key
, number key
,
and Insert
key to set the knife bias in
direction Z to 0 and the current coordinates are X15;
10) Move the knife to a safe position and change the knife;
11) Cut along the surface A in manual mode;
12) Take out the knife along axis X when axis Z is still, and stop the rotation of main axis;
13) Measure the distance "β
"
ˊ
between surface A and origin of work piece coordinates (suppose β
=
ˊ
1)
1
14) Press the Knife compensation key
to enter the bias interface, and press the
key
to move the cursor and select bias number (the bias number corresponding to this knife is +100);
15) Press the address key
, symbol key
, number key
and Insert
key in
sequence to set the knife bias of axis Z;
16) Cut along the surface B in manual mode;
17) Take out the knife along axis Z when axis X is still, and stop the rotation of main axis;
18) Measure distance "α
"
ˊ
(suppose α
ˊ
=10
）
;
19) Press the knife compensation
to enter the bias interface, and press the
and
key
to move the cursor to select bias number (the bias number corresponding to this knife is +100);
20) Type the address key
, number key
,
and Insert key
in sequence to set the
bias of axis X;
21) Repeat step 10-20 to align other knives.
7.3.
Knife alignment in mechanical origin
The knife alignment in mechanical origin is valid when the system parameter 45 is 2. The
operation follows: