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2G021 | Testing of balance | |
G01M1/00 -1/38 |
G01M1/12 | AA | AA00 MEASUREMENT OF CENTER OF GRAVITY |
AA01 | AA03 | AA05 | AA10 | ||||||
. Support of three points | . Support of four points | . Inclination of the base | . Others | |||||||||
G01M1/00-1/08;1/12-1/38 | AB | AB00 TYPES OF APPARATUSES TO BE TESTED |
AB01 | AB02 | AB03 | AB04 | AB06 | AB07 | AB09 | AB10 | ||
. Wheels and tires | . . Two-wheel vehicles (e.g., rims and the like) | . Crankshafts | . Fans and propellers | . Elastic shafts | . Multiple-shaft systems | . Platy bodies (e.g., grinding stones) | . Others | |||||
AC | AC00 TESTING METHODS USING TESTING MACHINES |
AC01 | AC03 | AC04 | AC05 | AC06 | AC09 | AC10 | ||||
. Gravity types | . Centrifugal types and rotational types | . . Decrease of the number of rotations at will | . . Forward and reverse rotation | . . Testing at multiple rotational speeds | . Direction of shafts | . . Vertical shafts | ||||||
AC11 | AC12 | AC14 | AC15 | AC16 | AC17 | AC19 | AC20 | |||||
. . Horizontal shafts | . . Others (e.g., capability of switching) | . Number of corrected surfaces | . . One surface | . . Two surfaces | . . Three or more surfaces | . Machines to test uniformity (i.e., uniformity ratio) | . Others (e.g., sliding types) | |||||
AD | AD00 STRUCTURE OF THE UNITS IN WHICH OBJECTS TO BE TESTED ARE INSTALLED |
AD01 | AD02 | AD03 | AD04 | AD05 | AD06 | AD07 | AD09 | AD10 | ||
. Installation mechanisms | . . Use of cones | . . Use of pins | . . Use of means for enlarging and reducing in the radial direction | . . Use of liquid pressure | . . Maintenance of tires in an expanded state | . . Others (e.g., use of chucks or elastic bodies) | . Regulation of the installation position (i.e., use of scales and stoppers) | . Others | ||||
AE | AE00 STRUCTURE OF BEARINGS, AND SUPPORT UNITS THEREFOR |
AE01 | AE02 | AE03 | AE04 | AE06 | AE08 | |||||
. Types of bearings | . . Mechanical bearings | . . Use of fluid pressure | . . Others (e.g., electromagnetic force) | . Bearings with built-in detectors | . Variable bearing positions | |||||||
AE11 | AE13 | AE15 | AE20 | |||||||||
. Structure of bearing-support units (i.e., frames) | . . Boat-shaped vibration tables | . . Others | . Others | |||||||||
AF | AF00 STRUCTURE OF DRIVING UNITS |
AF01 | AF02 | AF03 | AF04 | AF06 | AF07 | AF08 | AF09 | |||
. Means of transmitting power | . . Adjustable joints | . . Belts (i.e., direct application) | . . Rollers | . . Others | . Drive sources | . . Use of motors | . . . Direct connection to the objects to be tested | |||||
AF12 | AF14 | AF16 | AF18 | AF20 | ||||||||
. . Use of electromagnetic force | . . Use of air | . . Others | . Braking means | . Others | ||||||||
AG | AG00 DETECTORS |
AG01 | AG02 | AG03 | AG04 | AG05 | AG06 | AG08 | AG09 | AG10 | ||
. Means | . . Use of differential transformers | . . Use of strain gauges | . . Use of piezoelectric elements | . . Use of lights | . . Others | . Arrangement (i.e., detection in multiple directions) | . Setting of the zero-point | . Others | ||||
AH | AH00 ADJUSTMENT OF ARITHMETIC CIRCUITS |
AH01 | AH02 | AH04 | AH05 | AH06 | AH07 | AH08 | AH10 | |||
. Compensation and calibration (i.e., zero-point, sensitivity, and adjustment) | . . Trial balancing | . Completely balanced bodies (e.g., master rotors for retaining a predetermined unbalance) | . Separation of corrected surfaces | . . Unidirectional bearings and clamps | . . Virtual support points | . . Alignment of detector positions with corrected surfaces | . . Measurement and setting of dimensions | |||||
AH12 | AH14 | AH16 | AH18 | AH20 | ||||||||
. . Circuits for isolating corrected surfaces | . . Others | . Separation of unbalanced static couplings | . Automation (i.e., use of computers) | . Others | ||||||||
AJ | AJ00 SIGNAL PROCESSING |
AJ01 | AJ02 | AJ03 | AJ05 | AJ06 | AJ08 | |||||
. Eccentric compensation for installation of objects to be tested | . Filters | . Integration | . Multiplication | . . Watt meters | . Synchronized rectification | |||||||
AJ11 | AJ12 | AJ13 | AJ15 | AJ17 | AJ19 | AJ20 | ||||||
. Generation of reference phase signals | . . Use of shapes of objects to be tested per se | . . Reference marks | . . Use of phase plates (i.e., encoders) | . . Use of storage units | . . Others | . Others | ||||||
AK | AK00 MEASUREMENT OF UNBALANCE |
AK01 | AK02 | AK03 | AK05 | AK06 | AK07 | AK08 | AK10 | |||
. Demonstration of the effect of corrected vectors | . . Trial balancing | . . Trial deletion | . Balance with external force | . Use of strobes | . Mode circles | . Impact coefficients | . Automation (i.e., use of computers) | |||||
AK11 | AK12 | AK14 | AK16 | AK17 | AK20 | |||||||
. Measurement of unbalanced phases | . . Use of the Lissajous figure | . . Phase shifting of reference phase signals | . . Difference in phase from reference phase signals | . . Others | . Others | |||||||
AL | AL00 INDICATION |
AL01 | AL02 | AL04 | AL06 | AL07 | AL09 | |||||
. Means | . . Cathode-ray tubes (CRT) and oscillographs | . . Meters | . . Indication on objects to be tested | . . . Marking | . . . Optical or mechanical indication | |||||||
AL11 | AL13 | AL14 | AL16 | AL17 | AL18 | AL19 | AL20 | |||||
. . Automatic stopping | . . Detection of passage through specific locations | . . Others | . Types of indication | . . Polar-coordinate indication | . . Indication of components | . . Quadrant indication | . Others | |||||
AM | AM00 CORRECTION |
AM01 | AM02 | AM03 | AM05 | AM07 | AM08 | AM09 | AM10 | |||
. Transformation of unbalanced vectors | . . Transformation of directions | . . Transformation of corrected surfaces | . Mass-centering machines | . Correction means | . . Use of weights | . . Use of drills | . . Use of lasers | |||||
AM11 | AM13 | AM15 | AM20 | |||||||||
. . Others | . Changing of positions for combining two parts | . Inclusion of feedback loops | . Others | |||||||||
AN | AN00 PERIPHERAL APPARATUSES |
AN01 | AN02 | AN04 | AN05 | AN06 | AN10 | |||||
. Means of transportation | . . Use of conveyers | . . Auxiliary means for attachment or detachment of the objects to be tested | . . Others | . Apparatuses for adjusting the atmosphere (e.g., creating vacuums and the like) | . Others |