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TABLE OF CONTENTS
HAAS
AUTOMATION, INC.
TROUBLESHOOTING
S E R V I C E M A N U A L
VF-S
ERIES
1.2 VIBRATION
Vibration is a subjective evaluation with perceptions varying among individuals, making it difficult to determine in mild
cases if there is an actual problem. Because the VF Series uses a gear head, it will be noisier than a direct drive or belt
system. In obvious cases, it is a matter of determining the source _ which is not easy, since all parts rotate together and
sound can be transferred readily. Vibrations also need to be distinguished from noise such as a bad bearing. We will assume
that vibrations would be something that could be felt by putting your hand on the spindle covers. One crude method of
measurement would be to take an indicator on a magnetic base extended 10 inches between the table and spindle housing
and observe the reading of the indicator. A reading of more than .001 would indicate excessive vibration. The two common
sources of noise are the spindle and axis drives. Most complaints about vibration, accuracy, and finish can be attributed to
incorrect machining practices such as poor quality or damaged tooling, incorrect speeds or feeds, or poor fixturing. Before
concluding that the machine is not working properly, ensure that good machining practices are being observed. These
symptoms will not occur individually (Ex. A machine with backlash may vibrate heavily, yielding a bad finish.). Put all of the
symptoms together to arrive at an accurate picture of the problem.
´
Machine vibrates while jogging the axis with the hand wheel.
l
The HAAS control uses very high gain accelerations curves. This vibration as you jog is simply the servos quickly trying
to follow the handle divisions. If this is a problem, try using a smaller division on the handle. You will notice the vibration
more at individual clicks than when you are turning the handle faster. This is normal.
´
The machine vibrates excessively in a cut.
l
This is a tough one to call because machining practices come into play. Generally speaking, the least rigid element of
a cut is the tool because it is the smallest part. Any cutter will vibrate if pushed beyond its tensile strength. In order to
eliminate the machine as the source of the problem, you need to check the spindle and the backlash of the axes as described
in the following sections. Once machining practices have been eliminated as the source of vibration, observe the machine in
both operation and cutting air. Move the axes (individually) without the spindle turning and then turn the spindle without
moving the axes. Isolate whether the vibration comes from the spindle head or from an axis. Isolate the source of vibration
per "Spindle", "Servo Motors/Leadscrews", and "Gearbox and Spindle Motor" sections.
Содержание VF-SERIES
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Страница 119: ...1 15 96 96 8100 HAAS AUTOMATION INC 119 MECHANICAL SERVICE S E R V I C E M A N U A L VF SERIES ...
Страница 148: ...1 15 96 96 8100 145 TABLE OF CONTENTS ELECTRICAL SERVICE VF SERIES S E R V I C E M A N U A L HAAS AUTOMATION INC ...
Страница 149: ...96 8100 1 15 96 146 TECHNICAL REFERENCE SERVICE M A N U A L VF SERIES TECHNICAL REFERENCE SECTION ...
Страница 180: ...1 15 96 96 8100 177 TABLEOFCONTENTS TECHNICAL REFERENCE SERVICE M A N U A L VF SERIES ...
Страница 221: ...96 8100 1 15 96 218 CABLE LOCATIONS HAAS AUTOMATION INC S E R V I C E M A N U A L VF SERIES CABLE LOCATION DIAGRAM ...
Страница 222: ...1 15 96 96 8100 HAAS AUTOMATION INC 219 TABLE OF CONTENTS CABLE LOCATIONS S E R V I C E M A N U A L VF SERIES ...
Страница 233: ...96 8100 1 15 96 230 VF SERIES S E R V I C E M A N U A L ASSEMBLY DRAWINGS CHAPTER 25 ASSEMBLY DRAWINGS ...
Страница 234: ...1 15 96 96 8100 231 TABLE OF CONTENTS VF SERIES S E R V I C E M A N U A L ASSEMBLY DRAWINGS VF 1 BASE ...
Страница 235: ...96 8100 1 15 96 232 VF SERIES S E R V I C E M A N U A L ASSEMBLY DRAWINGS VF 1 COLUMN ...
Страница 236: ...1 15 96 96 8100 233 TABLE OF CONTENTS VF SERIES S E R V I C E M A N U A L ASSEMBLY DRAWINGS VF 1 SADDLE ...
Страница 237: ...96 8100 1 15 96 234 VF SERIES S E R V I C E M A N U A L ASSEMBLY DRAWINGS VF 1 LEADSCREW ...
Страница 238: ...1 15 96 96 8100 235 TABLE OF CONTENTS VF SERIES S E R V I C E M A N U A L ASSEMBLY DRAWINGS VF 3 BASE ...
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Страница 240: ...1 15 96 96 8100 237 TABLE OF CONTENTS VF SERIES S E R V I C E M A N U A L ASSEMBLY DRAWINGS VF 3 SADDLE ...
Страница 241: ...96 8100 1 15 96 238 VF SERIES S E R V I C E M A N U A L ASSEMBLY DRAWINGS VF 3 LEADSCREW ...
Страница 242: ...1 15 96 96 8100 239 TABLE OF CONTENTS VF SERIES S E R V I C E M A N U A L ASSEMBLY DRAWINGS VF GEARBOX ASSEMBLY ...
Страница 243: ...96 8100 1 15 96 240 VF SERIES S E R V I C E M A N U A L ASSEMBLY DRAWINGS VF SERIES SPINDLE 7 5K 10K VF O SPINDLE 10K ...
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