Dynamic balancing process and device for a rotating body
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B24B-041/04
G01M-001/22
G01M-001/02
G01M-001/36
G01M-001/32
출원번호
US-0425450
(2013-10-02)
등록번호
US-10052740
(2018-08-21)
우선권정보
EP-12187044 (2012-10-02)
국제출원번호
PCT/IB2013/059073
(2013-10-02)
국제공개번호
WO2014/054010
(2014-04-10)
발명자
/ 주소
Trionfetti, Gianni
출원인 / 주소
BALANCE SYSTEMS S.R.L.
대리인 / 주소
Vorys, Sater, Seymour and Pease LLP
인용정보
피인용 횟수 :
0인용 특허 :
4
초록▼
Provided is a balancing device for a rotating body defining an axis of rotation, including a plurality of balancing heads aligned along the axis of rotation, each balancing head including: balancing masses configured to be moved at least along a circumference of movement so as to cancel the unbalanc
Provided is a balancing device for a rotating body defining an axis of rotation, including a plurality of balancing heads aligned along the axis of rotation, each balancing head including: balancing masses configured to be moved at least along a circumference of movement so as to cancel the unbalance of the rotating body; at least one motor configured to move the balancing masses independently, the balancing masses part of different balancing heads being mutually spaced along the axis of rotation; unbalance detecting means including a plurality of vibration detectors configured to measure the vibrations caused by the unbalance of the rotating body.
대표청구항▼
1. A balancing process for a rotating body using a balancing device, said balancing device defining an axis of rotation, comprising: unbalance detecting means configured to measure vibrations caused by unbalance of said rotating body;a plurality of balancing heads aligned along said axis of rotation
1. A balancing process for a rotating body using a balancing device, said balancing device defining an axis of rotation, comprising: unbalance detecting means configured to measure vibrations caused by unbalance of said rotating body;a plurality of balancing heads aligned along said axis of rotation and each comprising balancing masses configured to be moved to cancel said unbalance of said rotating body, wherein said balancing masses that are part of different balancing heads being mutually spaced along said axis of rotation, wherein each of said balancing heads further comprises at least one position sensor configured to identify the position of said balancing masses, and wherein each position sensor is configured to determine, at each instant, the position of each mass with reference to the rotating portion;said balancing process comprising a calibration phase where each balancing head is activated separately to modify the position of the balancing masses creating an unbalance, the size and the position of said unbalance created by said balancing masses of each balancing head are measured directly by identifying the positions of said balancing masses and the size thereof, the vibrations caused by said unbalance are measured by said unbalance detecting means, so as to obtain a correlation between said measured vibrations and said size and position of said unbalance,a measurement phase in which the vibrations caused by the unbalance of said rotating body are measured, by means of said unbalance detection means, and the size and position of the unbalance of said rotating body are thus calculated, by means of said correlation, anda balancing phase in which the position that said balancing masses of said balancing heads must assume to cancel said unbalance is calculated, and said balancing masses are subsequently moved to correct said dynamic and/or rotating unbalance of said rotating body,wherein said rotating body is connected to a fixed portion which does not rotate,wherein in said calibration phase the position of said unbalance is measured with reference to said fixed portion, andwherein said position of said unbalance with reference to said fixed portion is obtained by: direct measurement of the positions of said balancing masses with reference to said balancing head which includes said balancing masses,the measurement of the angular position (α) of said rotating body with respect to said fixed portion about said axis of rotation,the measurement, by means of the analysis of the vibrations and forces measured by said vibration sensing means, of the position of said unbalance generated by said balancing masses of each balancing head, with respect to said fixed portion about said axis of rotation, andthe subsequent correlation between the position of said balancing masses with reference to said balancing head and with reference to said fixed portion. 2. The balancing process according to claim 1, wherein at least part of said calibration phase is performed regularly, when there are any changes in the physical properties of said rotating body. 3. The balancing process according to claim 1, wherein said measured vibrations and said size and position of said unbalance obtained from said calibration phases are stored and retrieved when conditions of said rotating body are once again identical to said size and position of said unbalance of said rotating body.
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이 특허에 인용된 특허 (4)
Maier Peter (Neidlingen DEX) Haberhauer Horst (Plochingen DEX), Balanced orbital sander/grinder.
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