CN101435733A - Laser balance adjusting device and method - Google Patents
Laser balance adjusting device and method Download PDFInfo
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- CN101435733A CN101435733A CNA2007101245152A CN200710124515A CN101435733A CN 101435733 A CN101435733 A CN 101435733A CN A2007101245152 A CNA2007101245152 A CN A2007101245152A CN 200710124515 A CN200710124515 A CN 200710124515A CN 101435733 A CN101435733 A CN 101435733A
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Abstract
The invention relates to a laser balance adjusting device and a method thereof. The method comprises the following steps: rotating the adjusted work piece under traction of a power device, using a position sensor and a vibration sensor to record the balance state of the workpiece and vibration caused by unbalance respectively under the rotating state and to transmit the balance state and the vibration to a computer, and calculating and analyzing data output by the sensors, wherein the computer controls a laser system to adjust balance of the workpiece till reaching requirement and adjust dynamic balance of the workpiece through non-contact processing performance of the laser. Because time delay of the on-off the laser is short, the method can achieve on-line adjustment on high-speed running workpieces, has the advantages of high production efficiency, high reliability and high accuracy, can process the workpieces difficult to be processed by common technology, and has little processing deformation.
Description
[technical field]
The present invention relates to a kind of laser balance adjusting device and method thereof, refer to utilize the noncontact processing characteristics of laser that workpiece is carried out laser dynamic balancing adjusting gear and the method thereof that balance is adjusted especially.
[background technology]
During mechanical motion, each moving link because make, rigging error, the unequal reason of material causes the mass distribution inequality, barycenter does that variable motion will produce size and direction is periodically variable inertial force.Because rotary structure is asymmetric, material is inhomogeneous, reasons such as manufacturing and alignment error, all can cause off-centre (barycenter departs from the centre of form), because off-centre produces centrifugal intertia force in the time of will causing the solid of revolution running, thereby make solid of revolution be in non-equilibrium state, need on solid of revolution, to add and subtract counterweight, to improve the mass distribution of solid of revolution, thereby guarantee that vibration or vibration force that solid of revolution is caused by imbalance in the running are reduced in the allowed band, prior art adopts equilibristat or equilibrator to measure or test the balance (can refer to transient equilibrium or static equilibrium) of solid of revolution, when measured workpiece or tested mechanism imbalance, take off this measured workpiece or tested mechanism from equilibristat or equilibrator, utilize utility appliance excision then or increase material or utilize artificial as frosted paper alignment workpiece or mechanism rub and regulate the balance of this workpiece or mechanism with the method for excision or increase material.
The balance adjustment method of prior art needs to take off work from equilibristat or equilibrator, so can't accomplish real-time regulated, most applications needs repeatedly to regulate, and is subject to the manual operation influence, and production efficiency is low, and reliability and precision are not high; In addition, because adjustment member is contact processing, and contact processing must be to the material production mechanically deform, and imposes on the certain stress of material, and the machining deformation amount is big, can only process common material, and can not the higher material of machining precision.
Therefore, be necessary to design a kind of new device, to overcome above-mentioned defective.
[summary of the invention]
The technical matters that institute of the present invention desire solves be to provide a kind of can on-line measurement and can adjust and adjust precision height, laser balance adjusting device and method thereof that efficient is high to the balance of solid of revolution.
The technical solution adopted in the present invention provides a kind of laser balance adjusting device, and this device utilizes laser noncontact processing characteristics to adjust the balance of workpiece to be machined, a regulating device of adjusting the relative horizontal level of whole laser balance adjusting device; Be installed in bracing or strutting arrangement, the record of propulsion system that the traction workpiece on the regulating device rotates, supporting workpiece, measurement indication mechanism and laser system of analysis workpiece balance quality, described measurement indication mechanism links to each other with laser system, propulsion system or workpiece and bracing or strutting arrangement respectively.
The invention provides a kind of laser equilibrium method of adjustment, this method utilizes laser noncontact processing characteristics to adjust the balance of workpiece to be machined, and this method comprises the steps:
The first step a: adjusting gear is provided, adjusts the relative position of whole laser equilibrium device;
Second step: propulsion system are provided, workpiece is taken exercises under this propulsion system traction;
The 3rd step: provide a position transducer and a vibration transducer respectively, the vibration of writing down the equilibrium state of workpiece respectively and causing because of imbalance;
The 4th step a: computing machine is provided, calculates and analyze the data of described position transducer and vibration transducer output;
The 5th step: according to the data that described computing machine is analyzed, provide at least one laser system, workpiece is processed the balance of adjusting workpiece.
Laser dynamic balancing adjusting gear of the present invention and method thereof, noncontact processing characteristics by laser is carried out the transient equilibrium adjustment to workpiece, because the time-delay that laser is opened and closed is very short, can be implemented in and carries out online adjustment on the workpiece that runs up, its advantage is as follows:
1. production efficiency height, in high-precision adjustment since do not need repeatedly work-handling and
Record is so can enhance productivity greatly.
2. reliability height and since online disposable workpiece is installed and is clamped finish adjustment, be convenient to robotization, also eliminated the error that human factor causes.
3. the precision height because on-line measurement and online adjustment do not need manual intervention, is easy to accomplish that accurately the location is adjusted, and forms closed loop adjustment to obtain very high quality.
4. can process the workpiece that common process is difficult to processing, and machining deformation is little.
[description of drawings]
Fig. 1 is the front view of the structural representation of laser balance adjusting device of the present invention;
Fig. 2 is the right view of the structural representation of laser balance adjusting device shown in Figure 1;
Fig. 3 is the front view of the structural representation of laser balance adjusting device second embodiment of the present invention;
Fig. 4 is the right view of the structural representation of laser balance adjusting device shown in Figure 3;
Fig. 5 is the front view of the structural representation of laser balance adjusting device the 3rd embodiment of the present invention;
Fig. 6 is the front view of the structural representation of laser balance adjusting device the 4th embodiment of the present invention;
Fig. 7 is the right view of the structural representation of laser balance adjusting device shown in Figure 6.
[concrete Implementation Modes]
The invention will be further described below in conjunction with the drawings and specific embodiments.
See also Fig. 1 and Fig. 2 structural representation for laser balance adjusting device first embodiment of the present invention; laser balance adjusting device 100 of the present invention is a kind of transient equilibrium that utilize laser noncontact processing characteristics to adjust workpiece 3; and the static equilibrium of adjustment workpiece 3 is also in protection scope of the present invention; this workpiece 3 is a solid of revolution; specifically can be shaft-like workpiece; for example rotor, centrifugal flabellum etc.; and adjust the mass distribution of revolving meber; centrifugal force system reaches balance when making revolving meber work; to eliminate additional dynamic pressure, alleviate harmful mechanical vibration as far as possible.
Laser balance adjusting device 100 of the present invention comprises: an adjusting gear 18, adjust the relative position of whole laser equilibrium device, this adjusting gear 18 comprises a base 8 and a level(l)ing device 10 can regulating base 8, and described whole laser balance adjusting device 100 promptly is installed on this base 8; Propulsion system 1 are installed on this base 8, and the installation of the central axis of these propulsion system 8 corresponding workpiece 3, and these propulsion system 8 are taken exercises workpiece 3 under this propulsion system 1 traction; The bracing or strutting arrangement 6 of support and fixation workpiece 3, the clamping device that this bracing or strutting arrangement 6 carries out clamping for a pair of workpiece 3, workpiece 3 is installed on the clamping device 6, and corresponding propulsion system 1; A jacking gear 9 is fixed on the described base 8; One laser system 4 is installed on this jacking gear 9, and laser system 4 comprises two laser heads or laser instrument in the present embodiment, and the laser that this laser head or laser instrument adopted is any wavelength.
Laser balance adjusting device 100 of the present invention also includes the measurement indication mechanism, this indication mechanism comprises a position transducer 2, a vibration transducer 7 and a computing machine 5, vibration transducer 7 is installed on the bracing or strutting arrangement 6, vibration with measuring workpieces 3, described position transducer 2 be installed on the propulsion system 1 or workpiece 3 the axle on, position transducer 2 links to each other with computing machine 5 respectively with vibration transducer 7, and computing machine 5 links to each other with laser system 4 again.These laser balance adjusting device 100 workflows below will be discussed in detail.
At first, adjust adjusting gear 18, both adjusted the level(l)ing device 10 that is installed on the base 8, because whole laser balance adjusting device 100 is positioned on the described adjusting gear 18, this adjusting gear 18 makes whole device 100 be in horizontality, is beneficial to laser system 4 processing works 3.
Then, the corresponding propulsion system 1 of axis of workpiece 3 are fixed with on the workpiece 3 installing bracing or strutting arrangements 6.
Then adjust described jacking gear 9, and make laser system 4 and workpiece 3 be in relative position.
The power that provides workpiece 3 to rotate is provided for the device 1 that then turns on the power, these propulsion system 1, and workpiece 3 rotates under this propulsion system 1 traction, and workpiece 3 when rotated, and the bad meeting of transient equilibrium causes clamping device 6 vibrations.
Described vibration transducer and position transducer are used for the vibration that measuring workpieces 3 causes because of imbalance, and the vibration that 3 transient equilibrium of wherein said vibration transducer 7 record workpiece are produced when bad is sent to computing machine 5; And position transducer 2 can be the sensor of pressure transducer or other types, and be located at least one end (this position transducer also can be located at the two ends of workpiece 3 certainly) of described workpiece 3, and this pairing position of position transducer 2 record workpiece, 3 vibrations is sent to computing machine 5.
After described computing machine 5 is received the data of position transducer 2, analyze the transient equilibrium characteristic of workpiece 3, when if the transient equilibrium characteristic of workpiece 3 is bad, computing machine 5 will be controlled described laser system 4 processing works 3, the vector sum of the centrifugal force of each quality on the workpiece 3 is equalled zero, and the vector sum of the caused moment of couple of centrifugal force also equals zero, and when control laser system 4, the transient equilibrium feature of the signal analysis workpiece 3 of while collection position sensor 2 and vibration transducer 7, vector sum up to the centrifugal force of each quality that detects workpiece 3 equals zero, and till the vector sum of the caused moment of couple of centrifugal force also equals zero.
Wherein laser system 4 is the laser equipment that comprises all wavelengths, and the emissive ability of utilizing laser are strong, the characteristics of the high concentration of energy and time-delay that laser is opened and closed are very short, and two laser systems 4 are simultaneously downwards to workpiece 3 on-line machining in the present embodiment, and the method by the noncontact rapidoprint realizes that real-time transient equilibrium regulates, and can be implemented in and carries out online adjustment on the workpiece that runs up.
The present invention also provides a kind of laser equilibrium method of adjustment, and this method utilizes laser noncontact processing characteristics to adjust the balance of workpiece 3, and this method comprises the steps:
The first step a: adjusting gear 10 is provided, adjusts the relative position of whole laser equilibrium device;
Second step: propulsion system 1 are provided, workpiece 3 is taken exercises under this propulsion system 1 traction;
The 3rd step: provide position transducer 2 and vibration transducer 7 respectively, the vibration of writing down the equilibrium state of workpiece 3 respectively and causing because of imbalance;
The 4th step a: computing machine 5 is provided, calculates and analyze the data of described position transducer 2 and vibration transducer 7 outputs;
The 5th step: according to the data that described computing machine 5 is analyzed, provide at least one laser system 4, workpiece 3 is processed the balance of adjusting workpiece 3.
Fig. 3 and Fig. 4 are the structural representation of laser balance adjusting device second embodiment of the present invention, the key distinction of present embodiment and above-mentioned first embodiment is: the workpiece 3 of present embodiment is disc type work, specifically can be horizontal disc type work, as wind wheel, flywheel, belt pulley, brake drum, horizontal digital-control lathe etc.This disc type work 3 is installed on the bracing or strutting arrangement 6, this bracing or strutting arrangement 6 is also for installing a clamping device of disc type work 3, this disc type work 3 is installed on this clamping device, other has the corresponding propulsion system 1 of the axis of a rotating shaft 11 to install, disc type work 3 is installed in this rotating shaft 11, and disc type work 3 is driven by this rotating shaft and rotates, analyze the transient equilibrium characteristic of this disc type work 3 by position transducer 2 and vibration transducer 7 acquired signal, and two laser systems 4 are provided with in opposite directions, this disc type work 3 is adjusted, met the requirements of dynamic equilibrium state up to this disc type work 3.
Fig. 5 is the structural representation of laser balance adjusting device the 3rd embodiment of the present invention, the key distinction of present embodiment and above-mentioned first embodiment is: the workpiece 3 of present embodiment also is disc type work, as numerically-controlled machine etc., and present embodiment has only a laser system 4 processing disc type works 3, described bracing or strutting arrangement comprises a rotating shaft 15, a briquetting 12 and a chassis 13, briquetting 12 and chassis 13 are installed in an end of rotating shaft 15, and disc type work 3 is compressed by briquetting 12 and is installed on the chassis 13; Described propulsion system 1 comprise a motor 17 and the belt 14 that is driven by motor 17, and described belt 14 links to each other with rotating shaft 15 and drives rotating shaft 15 and rotates; And in the present embodiment, be provided with two groups of vibration transducers 7,16, and lay respectively at the both sides of rotating shaft 15 and the end of belt 14, concrete operations are following detailed argumentation.
At first adjust the level(l)ing device 10 adjusting levels on the base 8, again briquetting 12 of disc type work 3 usefulness is pressed on the chassis 13; Fasten solid back and adjust jacking gear 9, make laser system 4 to the position that is fit to processing; The device that then turns on the power, promptly motor 16 driving belts 14 make belt 14 drive disc type works 3 rotations, when this moment, disc type work 3 transient equilibrium were bad, can cause rotating shaft 15 vibrations, and by vibration transducer 7 records, be sent to computing machine 5; A position transducer 2 is positioned at the end of rotating shaft 15, and this pairing position of position transducer 2 record vibrations is sent to computing machine 5 records; Then computing machine 5 is analyzed the transient equilibrium characteristic of disc type work 3, control laser system 4 processing disc type works 3, and the transient equilibrium characteristic of the signal analysis disc type work 3 of while collection position sensor 2 and vibration transducer 7,16 is till meeting desired value.
Fig. 6 and Fig. 7 are the structural representation of laser balance adjusting device the 3rd embodiment of the present invention, the key distinction of present embodiment and above-mentioned first embodiment is: the workpiece 3 of present embodiment is the crankshaft type workpiece, as eccentric wheel etc., present embodiment also is the transient equilibrium characteristic that computing machine 5 is analyzed crankshaft type workpiece 3, the control laser system is to crankshaft type workpiece 3, analyze the transient equilibrium characteristic of this crankshaft type workpiece 3 simultaneously by position transducer 2 and vibration transducer 7 acquired signal, meet the requirements of dynamic equilibrium state up to this crankshaft type workpiece 3.
But laser balance adjusting device 100 of the present invention is rotary type workpiece such as working shaft-like workpiece, disc type work, crankshaft type workpiece not only, and all be to utilize the noncontact processing characteristics of laser that the vector sum of centrifugal force of each quality of this class workpiece is equalled zero, and the vector sum of the caused moment of couple of centrifugal force also equals zero, thereby reach this class workpiece is carried out the transient equilibrium adjustment.
If when certainly this class workpiece being carried out the static equilibrium adjustment, also be at first the centroid position by the sensor workpiece whether on axis of rotation, when if the workpiece static equilibrium is bad, computing machine will be controlled described laser system processing work, make workpiece in the same surface of revolution, add a quality (or in the opposite direction subtracting a quality), and when the control laser system, the static equilibrium feature of the signal analysis workpiece of while collection position sensor and vibration transducer, the vector sum of the centrifugal force that is produced up to the centrifugal force that detects workpiece and initial quality equals zero, and meets the requirements of the static equilibrium state up to workpiece.
Claims (15)
1. a laser balance adjusting device is characterized in that it comprises: an adjusting gear of adjusting the relative horizontal level of whole laser balance adjusting device; Be installed in bracing or strutting arrangement, the record of propulsion system that the traction workpiece on the regulating device rotates, supporting workpiece, measurement indication mechanism and laser system of analysis workpiece balance quality, described measurement indication mechanism links to each other with laser system, propulsion system or workpiece and bracing or strutting arrangement respectively.
2. laser balance adjusting device as claimed in claim 1 is characterized in that: also comprise at least one jacking gear of the relative position of regulating described laser system and workpiece, described laser system is installed on this jacking gear.
3. laser balance adjusting device as claimed in claim 1 is characterized in that: described adjusting gear comprises base and the level(l)ing device that can regulate base, and described whole laser balance adjusting device promptly is installed on this base.
4. laser balance adjusting device as claimed in claim 1, it is characterized in that: described measurement indication mechanism comprises a computing machine, position transducer, and vibration transducer, described vibration transducer is installed on the described bracing or strutting arrangement, described position transducer is installed on the propulsion system or on the workpiece, described position transducer links to each other with computing machine with vibration transducer, and computing machine links to each other with laser system again.
5. laser balance adjusting device as claimed in claim 4 is characterized in that: described position transducer is a pressure transducer, pairing position when writing down described Workpiece vibration, and this position is sent to described computing machine.
6. the whole device of transferring of laser equilibrium as claimed in claim 4, it is characterized in that: described position transducer is located at least one end of described workpiece.
7. laser balance adjusting device as claimed in claim 1 is characterized in that: described bracing or strutting arrangement is the clamping device that a pair of workpiece carries out clamping, and workpiece is installed on the clamping device, and corresponding propulsion system.
8. laser balance adjusting device as claimed in claim 1, it is characterized in that: described bracing or strutting arrangement comprises that one installs the clamping device of workpiece, one rotating shaft corresponding with its axis is installed on the described propulsion system, and workpiece is installed on the clamping device, and is installed in the rotating shaft by rotating shaft drive rotation.
9. laser balance adjusting device as claimed in claim 1 is characterized in that: described bracing or strutting arrangement comprises a rotating shaft, a briquetting and a chassis, and briquetting and chassis are installed in an end of rotating shaft, and workpiece is compressed by briquetting and is installed on the chassis; Described propulsion system comprise a motor and by motor-driven belt, described belt links to each other with rotating shaft and drives rotating shaft and rotates.
10. laser balance adjusting device as claimed in claim 1 is characterized in that: described laser system comprises at least one laser head or laser instrument.
11. laser balance adjusting device as claimed in claim 10 is characterized in that: the laser that described laser head or laser instrument adopted is any wavelength.
12. laser balance adjusting device as claimed in claim 1 is characterized in that: described laser balance adjusting device is adjusted the transient equilibrium of workpiece.
13. laser balance adjusting device as claimed in claim 1 is characterized in that: described laser balance adjusting device is adjusted the static equilibrium of workpiece.
14. laser balance adjusting device as claimed in claim 1 is characterized in that: described workpiece is a solid of revolution, comprises shaft-like workpiece, disc type work, crankshaft type workpiece.
15. a laser equilibrium method of adjustment, this method utilize laser noncontact processing characteristics to adjust the balance of workpiece to be machined, it is characterized in that this method comprises the steps:
The first step a: adjusting gear is provided, adjusts the relative position of whole laser equilibrium device;
Second step: propulsion system are provided, workpiece is taken exercises under this propulsion system traction;
The 3rd step: provide a position transducer and a vibration transducer respectively, the vibration of writing down the equilibrium state of workpiece respectively and causing because of imbalance;
The 4th step a: computing machine is provided, calculates and analyze the data of described position transducer and vibration transducer output;
The 5th step: according to the data that described computing machine is analyzed, provide at least one laser system, workpiece is processed the balance of adjusting workpiece.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007101245152A CN101435733B (en) | 2007-11-14 | 2007-11-14 | Laser balance adjusting device |
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| CN2007101245152A CN101435733B (en) | 2007-11-14 | 2007-11-14 | Laser balance adjusting device |
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| CN101435733A true CN101435733A (en) | 2009-05-20 |
| CN101435733B CN101435733B (en) | 2011-06-22 |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101694411B (en) * | 2009-10-14 | 2011-05-18 | 北京青云精益检测设备有限公司 | Dynamic balance test method and device thereof |
| CN103389185A (en) * | 2012-05-11 | 2013-11-13 | 奇鋐科技股份有限公司 | Rotor balancing device and method for laser material removal |
| CN104502023A (en) * | 2014-12-17 | 2015-04-08 | 天润曲轴股份有限公司 | Crankshaft dynamic balance testing and calibration method |
| CN105277315A (en) * | 2015-09-25 | 2016-01-27 | 邱玉兰 | Laser de-weight dynamic balance device and method applied to rotation workpiece |
| CN105424280A (en) * | 2015-12-24 | 2016-03-23 | 吴江万工机电设备有限公司 | Unbalance measuring device of rockshaft sway system |
| CN105738034A (en) * | 2014-12-12 | 2016-07-06 | 天津海鸥表业集团有限公司 | Balance measuring method for laser correction balance wheel gravity center shift and measuring cutting device |
| CN107356373A (en) * | 2017-08-21 | 2017-11-17 | 东莞市卓茂仪器有限公司 | A kind of flabellum dual-threshold detection machine |
| CN108080786A (en) * | 2017-10-30 | 2018-05-29 | 北京航天控制仪器研究所 | A kind of revolving-body dynamic-balancing means for correcting |
| CN108161256A (en) * | 2017-10-30 | 2018-06-15 | 北京航天控制仪器研究所 | Revolving-body dynamic-balancing bearing calibration |
| CN109406054A (en) * | 2018-11-21 | 2019-03-01 | 成都航天万欣科技有限公司 | A kind of adjustment of tubular construction part quality center of mass and detection device |
| CN113465823A (en) * | 2020-06-16 | 2021-10-01 | 江苏星宇电机有限公司 | Rotor dynamic balance correcting device |
| CN113814587A (en) * | 2021-11-22 | 2021-12-21 | 惠博新型材料有限公司 | Laser balance adjusting device |
| CN113874697A (en) * | 2019-05-29 | 2021-12-31 | 博泽(班贝格)汽车零部件欧洲两合公司 | Method for dynamically balancing a rotating body |
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| US4037076A (en) * | 1975-12-18 | 1977-07-19 | Teledyne Industries, Inc. | Apparatus for balancing rotating bodies |
| US4653324A (en) * | 1985-08-15 | 1987-03-31 | Rockwell International Corporation | Dynamic balancing machine |
| US6303896B1 (en) * | 1999-08-02 | 2001-10-16 | Visteon Global Technologies, Inc. | Dynamic laser balancing |
| CN1559754A (en) * | 2004-02-26 | 2005-01-05 | 云南省机械研究设计院 | Laser processing center for machining mould |
| CN201164928Y (en) * | 2007-11-14 | 2008-12-17 | 深圳市大族激光科技股份有限公司 | Laser balance adjustment apparatus |
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| CN101694411B (en) * | 2009-10-14 | 2011-05-18 | 北京青云精益检测设备有限公司 | Dynamic balance test method and device thereof |
| CN103389185A (en) * | 2012-05-11 | 2013-11-13 | 奇鋐科技股份有限公司 | Rotor balancing device and method for laser material removal |
| CN105738034B (en) * | 2014-12-12 | 2018-05-22 | 天津海鸥表业集团有限公司 | Balance measuring method for laser correction balance wheel gravity center shift and measuring cutting device |
| CN105738034A (en) * | 2014-12-12 | 2016-07-06 | 天津海鸥表业集团有限公司 | Balance measuring method for laser correction balance wheel gravity center shift and measuring cutting device |
| CN104502023A (en) * | 2014-12-17 | 2015-04-08 | 天润曲轴股份有限公司 | Crankshaft dynamic balance testing and calibration method |
| CN104502023B (en) * | 2014-12-17 | 2017-02-22 | 天润曲轴股份有限公司 | Crankshaft dynamic balance testing and calibration method |
| CN105277315A (en) * | 2015-09-25 | 2016-01-27 | 邱玉兰 | Laser de-weight dynamic balance device and method applied to rotation workpiece |
| CN105424280A (en) * | 2015-12-24 | 2016-03-23 | 吴江万工机电设备有限公司 | Unbalance measuring device of rockshaft sway system |
| CN107356373A (en) * | 2017-08-21 | 2017-11-17 | 东莞市卓茂仪器有限公司 | A kind of flabellum dual-threshold detection machine |
| CN108080786A (en) * | 2017-10-30 | 2018-05-29 | 北京航天控制仪器研究所 | A kind of revolving-body dynamic-balancing means for correcting |
| CN108161256A (en) * | 2017-10-30 | 2018-06-15 | 北京航天控制仪器研究所 | Revolving-body dynamic-balancing bearing calibration |
| CN109406054A (en) * | 2018-11-21 | 2019-03-01 | 成都航天万欣科技有限公司 | A kind of adjustment of tubular construction part quality center of mass and detection device |
| CN109406054B (en) * | 2018-11-21 | 2024-04-12 | 成都航天万欣科技有限公司 | Cylindrical structural member mass center adjusting and detecting equipment |
| CN113874697A (en) * | 2019-05-29 | 2021-12-31 | 博泽(班贝格)汽车零部件欧洲两合公司 | Method for dynamically balancing a rotating body |
| CN113465823A (en) * | 2020-06-16 | 2021-10-01 | 江苏星宇电机有限公司 | Rotor dynamic balance correcting device |
| CN113465823B (en) * | 2020-06-16 | 2024-01-30 | 江苏星宇电机有限公司 | Correcting device for dynamic balance of rotor |
| CN113814587A (en) * | 2021-11-22 | 2021-12-21 | 惠博新型材料有限公司 | Laser balance adjusting device |
| CN113814587B (en) * | 2021-11-22 | 2022-02-15 | 惠博新型材料有限公司 | Laser balance adjusting device |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 518051 Dazu laser building, 9 new West Road, North Nanshan District high tech park, Shenzhen, Guangdong Patentee after: HANS LASER TECHNOLOGY INDUSTRY GROUP CO., LTD. Address before: No. 5 road 518057 in Guangdong province Shenzhen city Nanshan District high tech park of Pine Hill Factory District No. 8 Patentee before: Dazu Laser Sci. & Tech. Co., Ltd., Shenzhen |