TT5503 − DECO 13a Headstock Revision − Ref. 307001
Chap. 8. / 15
TT5503 en − 12/04
8.
APPENDIX − DECO 13A BREAK−IN SHEET
1st level
2nd level
3rd level
4th level
End of break−in period
Speed
2000 rpm
6000 rpm
12 000 rpm
Time
30 min
15 min
183 min
Total
228 mm
Amperage
Front
Bearing
Initial
30
Bearing
Temperature
60
Temperature
90
120
Rear
Bearing
Initial
30
Bearing
Temperature
60
Temperature
90
120
T
5
1st
level
2nd level
3th level
4th level
Notes
55
°
T
°
MAX
50
°
45
°
40
°
35
°
30
°
25
°
20
°
min
30
60
90
120
150
180
210
240
270
300
330
360
390
Theoretical Drawing Current:
Measured:
NOTES
Information
Maximum break−in temperature : 55
°
C
If this temperature is attained
program during the break−in period an opening and closing of a collet every 5 seconds.
1.
Stop ”break−in”.
2.
Wait until the temperature has returned to the ambient temperature.
3.
Restart the ”break−in” from the beginning.
4.
Fill in a second ”break−in” sheet.
5.
If the temperature attains 55
°
C again, there is an abnormality : dismount the headstock.
