US2958165A - Balancing device - Google Patents

Balancing device Download PDF

Info

Publication number
US2958165A
US2958165A US813893A US81389359A US2958165A US 2958165 A US2958165 A US 2958165A US 813893 A US813893 A US 813893A US 81389359 A US81389359 A US 81389359A US 2958165 A US2958165 A US 2958165A
Authority
US
United States
Prior art keywords
groove
smaller
cross
balance
grooves
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US813893A
Inventor
Hofmann Dionys
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of US2958165A publication Critical patent/US2958165A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D5/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting only by their periphery; Bushings or mountings therefor
    • B24D5/16—Bushings; Mountings
    • B24D5/165—Balancing means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/0032—Arrangements for preventing or isolating vibrations in parts of the machine
    • B23Q11/0035—Arrangements for preventing or isolating vibrations in parts of the machine by adding or adjusting a mass, e.g. counterweights
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/32—Correcting- or balancing-weights or equivalent means for balancing rotating bodies, e.g. vehicle wheels
    • F16F15/34—Fastening arrangements therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M1/00—Testing static or dynamic balance of machines or structures
    • G01M1/30—Compensating unbalance
    • G01M1/36—Compensating unbalance by adjusting position of masses built-in the body to be tested
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/21—Elements
    • Y10T74/211—Eccentric
    • Y10T74/2114—Adjustable

Definitions

  • the invention relates to a balancing device for rotary tools which are subject to wear, for example grinding wheels, in which an annular preferably dovetail-shaped groove may be provided in the face of a flange on each side of the tool for receiving adjustable weights to compensate for out-of-balance, additional unbalancing as occurring during operation as a result of wear of the tool being periodically balanced by smaller additional weights which are likewise displaceably secured to the flange.
  • At least one of the two anges comprises a groove in addition to the one usually provided, such additional groove being concentric and smaller in diameter and cross-section than the conventional groove, and housing at least two additional weights adapted to be displaced to compensate unbalance occurd, 2,958,155 Patented Nov.. l, 1960 ring spasmodically during operation.
  • the ratio of the cross-section of the smaller annular groove to that of the larger annular groove is between 1:2 to 1:10 and preferably between 1:3 to 1:5.
  • Fig. l is a front view of a grinding wheel with a mounting flange according to the invention
  • Fig. 2 is a section through the grinding wheel of Fig. l
  • p Fig. 3 is a section through a modified embodiment.
  • a mounting ange 2 having a cylindrical sleeve 3 is inserted in the central bore in a grinding wheel 1, as
  • FIG. 2 The grinding wheel 1 is secured by a nut 4 screwed onto the sleeve 3.
  • a dovetailed annular groove 5 of relatively large cross-section and a dovetailed annular groove 6 of smaller cross-section are machined in the face of the flange 2.
  • Two smaller balance weights 8 (Fig. 1) slide in the smaller annular groove, and each can be locked therein by means of a screw.
  • Two larger balance weights 7 and 9 slide in the larger annular groove S. These can likewise be locked in their groove by means of a screw.
  • any unbalance before use of the grinding wheel is rcmoved by suitable aljustment of the balance weights 7 and 9 in the annular groove 5.
  • the smaller balance Weights 8 are periodically adjusted in position within the smaller annular groove 6.
  • a balancing device for rotary tools which are Subject to wear comprising a mounting liange having a cylindrical sleeve which is inserted in a central bore of the tool, two annular grooves of different cross-sectional area in the face of the mounting flange, which grooves are arranged in a common plane perpendicular to the axis of the tool and have diiterent diameters, at least one smaller balance weight slidably arranged in the groove having the smaller cross-sectional area, at least one greater balance weight slidably arranged in the groove having the greater cross-sectional area, means being provided for securing the balance weights in adjusted positions within the grooves.
  • a balancing device for rotary tools which are subject to wear comprising a mounting flange having a cylindrical sleeve which is inserted in a central bore of the tool, two annular grooves of different cross-sectional area in the 'tionalV areasof the grooves bei/ng'in the range-of ⁇ 1:2to 1:10, at least one smaller balance weight slidably arranged in the groove having-thel smaller cross-sectionalarea, at -least one greater balaneefweight slidably-:arrangediinthe groove having the greater cross-sectional areafmeans justeclipositions within the, grooves.
  • a balancing device for rotary tools which are-subject towearcomprising amounting flange havinga cylindrical sleeve which is inserted-in a central bore ofthe'tool, ⁇ two concentric annular grooves of different cross-sectionalarea lbeing provided for securing Vther'balance-weightsin eadv Y in the face of the mounting flange; the ratio ofthe ,cross- Sectional area vof theinner groovefto the, outergroove being from 1:3 to 1:5, atzleast'one smaller balanceweight slidablyv arranged inthe groove'having the smaller crosssectional area, at least one greaterbalancel weight slidably anrangedrin the groove having the greater cross-.sectional area, means being provided for securing the balance weights in adjusted positions within-the grooves.
  • a balancing device for rotaryV tools which are subject to wear comprising a mounting ange having a cylindrical sleeve which is inserted in a central bore of the tool, -two annular dove-tail-shaped grooves of substantially-different cross-sectiona1 areas in thev face of the mounting flange, which grooves are arranged in a common plane perpendicular to the axis of the tool and have different diameters,
  • A'balancing device for rotary tools which are subject to wear comprising a mounting ange having a cylindrical sleeve which is inserted in a central bore of the tool, two
  • annular grooves of substantially different cross-sectional area in the face of the mounting flange which grooves are arranged in a common plane perpendicular to the axis of the tool and have diierent diameters, the ratio of the cross-sectional areas being in the range of 1:3 to 1:5, at least one smaller balance Vweight slidably arranged in the groove having the smallerrorosS-sectional area, at least one greater balance ⁇ weightslidably; arranged in the groove having the greater cross-sectional area, a nut screwed on the unflangedy end ofJ-said cylindrical-l sleeve, ateleast one annular groove in the face ofthe nut, at least one other balance Weight; slidablyaarranged in saidgroove, means being provided for securing the balance Weights in adjusted-positions withfthe grooves.
  • a balancing devicefor rotary tools which are subject to wear comprising a mounting ange having a cylindrical sleeve which is inserted in a central bore of the tool, two concentric annular y grooves of dilferent cross-sectional area-in vvtl1e"face f-'tfhefrriounting-llange,v the ratioffot the cross-sectionalearea vof r- ⁇ the 'inner groovet to *the outer groove Abeingfrom 1":3 to 1:5, -two smaller-balancefw'eights separately.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
  • Testing Of Balance (AREA)

Description

Nov. 1, 1960 D. Hol-'MANN 2,958,165
BALANCING DEVICE Filed MayrlB. 1959 BALANCING DEVICE Donys Hofmann, Seeshaupt am Starnberger See, Germany Filed May 18, 1959, Ser. No. 813,893
Claims priority, application Germany May 24, 1958 6 Claims. (Cl. 51-169) The invention relates to a balancing device for rotary tools which are subject to wear, for example grinding wheels, in which an annular preferably dovetail-shaped groove may be provided in the face of a flange on each side of the tool for receiving adjustable weights to compensate for out-of-balance, additional unbalancing as occurring during operation as a result of wear of the tool being periodically balanced by smaller additional weights which are likewise displaceably secured to the flange.
It is generally known that the quiet running of circular rotating tools, such kas grinding wheels, polishing discs, emery wheels and the like, and hence the load on the bearings therefor as Well as the quality of the work carried out with these wheels, all depend on the precise balancing of the tool. For this reason, such wheels and discs are balanced by the manufacturers. However, as a result of wear, fresh out-of-balance occurs,` which, particularly at high tool speeds, leads to a considerable load on and wear of the main bearings of the grinding or like machine and a marked waste of power. When out-of-balance couples are exerted on, say, a grinding wheel during rotation, it tends to wobble to an extent permitted by its bearing clearance and this detrimentally affects the work carried out with the grinding wheel.
In order to lock the grinding wheel in its mounted position, it has been common to use a flange on each face of the wheel, an annular groove being provided in each such ange. This annular groove serves to receive balancing weights for compensating any unbalance found even before the grinding wheel is put to use. Fresh unbalance as occasioned during operation by virtue of wear of the grinding wheel is then removed by adjusting these same weights. However, this procedure is somewhat complicated because the comparatively large balancing weights as used to compensate the initial unbalance are too coarse for accurately compensating subsequent unbalance occurring during operation. Above all, since the displacement of a weight to a new balancing position leads to a lack of weight at the point from which it was displaced, there mus-t needs be prolonged trial and error before the weight is mounted in the correct position.
It has already been proposed to use hollow rings in which lead balls or shot Iare inserted in compartment to compensate unbalance, including that occurring during operation. Such hollow rings are, however, comparatively complicated and expensive to manufacture. In addition, the inserted lead balls tend to wear down comparatively quickly during operation. For these reasons, these known arrangements have so far not been widely accepted in practice.
According to the present invention, in a balancing device of the kind referred t at least one of the two anges comprises a groove in addition to the one usually provided, such additional groove being concentric and smaller in diameter and cross-section than the conventional groove, and housing at least two additional weights adapted to be displaced to compensate unbalance occurd, 2,958,155 Patented Nov.. l, 1960 ring spasmodically during operation. In a preferred form of the invention, the ratio of the cross-section of the smaller annular groove to that of the larger annular groove is between 1:2 to 1:10 and preferably between 1:3 to 1:5.
Thus, by means of the invention, unbalance in the rotary tool resulting from manufacture is compensated by a suitable arrangement of the larger balance weights in the wider outer annular groove. Any fresh unbalance arising as a result of the mounting and wear of lthe tool is periodically compensated by displacing the smaller balance weights in the additional inner annular groove of smaller cross-section. Accordingly, it is no longer necessary for the larger balance weights to be displaced every time a balancing operation is performed. The smaller balance weights can be displaced round the whole circumference of the inner annular groove independently of the larger balance Weights and thus without being hampered by the latter.
Preferred examples of the invention are illustrated in the accompanying drawing, in which:
Fig. l is a front view of a grinding wheel with a mounting flange according to the invention,
Fig. 2 is a section through the grinding wheel of Fig. l, and p Fig. 3 is a section through a modified embodiment.
A mounting ange 2 having a cylindrical sleeve 3 is inserted in the central bore in a grinding wheel 1, as
shown in Figs. 2 and 3. The grinding wheel 1 is secured by a nut 4 screwed onto the sleeve 3. A dovetailed annular groove 5 of relatively large cross-section and a dovetailed annular groove 6 of smaller cross-section are machined in the face of the flange 2. Two smaller balance weights 8 (Fig. 1) slide in the smaller annular groove, and each can be locked therein by means of a screw. Two larger balance weights 7 and 9 slide in the larger annular groove S. These can likewise be locked in their groove by means of a screw.
Any unbalance before use of the grinding wheel is rcmoved by suitable aljustment of the balance weights 7 and 9 in the annular groove 5. In order to compensate for out-of-balance occurring during operation as a result of the mounting and wear of the grinding wheel, the smaller balance Weights 8 are periodically adjusted in position within the smaller annular groove 6.
In the embodiment shown in Fig. 3, the nut 4 securing the grinding wheel 1 likewise comprises at least one annular groove 5 in which balance weights (not shown) such as 7 and 9 can likewise slide. In this manner, dynamic balancing of the grinding wheel on the two-plane principle is rendered possible. lf the users of the grinding wheels have dynamic balancing machines `available so that the grinding wheels can be constantly adjusted, the nut 4i may comprise a smaller annular groove (not shown) such as 6 in addition to the larger annular groove 5.
I claim:
1. A balancing device for rotary tools which are Subject to wear comprising a mounting liange having a cylindrical sleeve which is inserted in a central bore of the tool, two annular grooves of different cross-sectional area in the face of the mounting flange, which grooves are arranged in a common plane perpendicular to the axis of the tool and have diiterent diameters, at least one smaller balance weight slidably arranged in the groove having the smaller cross-sectional area, at least one greater balance weight slidably arranged in the groove having the greater cross-sectional area, means being provided for securing the balance weights in adjusted positions within the grooves.
2. A balancing device for rotary tools which are subject to wear comprising a mounting flange having a cylindrical sleeve which is inserted in a central bore of the tool, two annular grooves of different cross-sectional area in the 'tionalV areasof the grooves bei/ng'in the range-of` 1:2to 1:10, at least one smaller balance weight slidably arranged in the groove having-thel smaller cross-sectionalarea, at -least one greater balaneefweight slidably-:arrangediinthe groove having the greater cross-sectional areafmeans justeclipositions within the, grooves. Y
3. A balancing device for rotary tools which are-subject towearcomprising amounting flange havinga cylindrical sleeve which is inserted-in a central bore ofthe'tool,` two concentric annular grooves of different cross-sectionalarea lbeing provided for securing Vther'balance-weightsin eadv Y in the face of the mounting flange; the ratio ofthe ,cross- Sectional area vof theinner groovefto the, outergroove being from 1:3 to 1:5, atzleast'one smaller balanceweight slidablyv arranged inthe groove'having the smaller crosssectional area, at least one greaterbalancel weight slidably anrangedrin the groove having the greater cross-.sectional area, means being provided for securing the balance weights in adjusted positions within-the grooves.
4. A balancing device for rotaryV tools which are subject to wear comprising a mounting ange having a cylindrical sleeve which is inserted in a central bore of the tool, -two annular dove-tail-shaped grooves of substantially-different cross-sectiona1 areas in thev face of the mounting flange, which grooves are arranged in a common plane perpendicular to the axis of the tool and have different diameters,
Aat least one smaller balance weight slidably arranged'in the groove having the smaller cross-sectional area,` at least one greater balance weight slidably arranged in the groove having the greater cross-sectional area, means being provided forV securing the balance weights in adjustedpositions Within the grooves.
5. A'balancing device for rotary tools which are subject to wear comprising a mounting ange having a cylindrical sleeve which is inserted in a central bore of the tool, two
annular grooves of substantially different cross-sectional area in the face of the mounting flange, which grooves are arranged in a common plane perpendicular to the axis of the tool and have diierent diameters, the ratio of the cross-sectional areas being in the range of 1:3 to 1:5, at least one smaller balance Vweight slidably arranged in the groove having the smallerrorosS-sectional area, at least one greater balance` weightslidably; arranged in the groove having the greater cross-sectional area, a nut screwed on the unflangedy end ofJ-said cylindrical-l sleeve, ateleast one annular groove in the face ofthe nut, at least one other balance Weight; slidablyaarranged in saidgroove, means being provided for securing the balance Weights in adjusted-positions withfthe grooves.
6. A balancing devicefor rotary tools which are subject to wear comprising a mounting ange having a cylindrical sleeve which is inserted in a central bore of the tool, two concentric annular y grooves of dilferent cross-sectional area-in vvtl1e"face f-'tfhefrriounting-llange,v the ratioffot the cross-sectionalearea vof r-`the 'inner groovet to *the outer groove Abeingfrom 1":3 to 1:5, -two smaller-balancefw'eights separately. slidably arranged'inithe groove'fhaving lt'he smaller cross-sectional area,` two greater balance Weights separately slidably Varranged in thev groove-havingi'the greater cross-sectional v area;r :meansbeing provided -for securing thelbalance-weights in-adjusted positions within the'grooves.
References Citedin the file of this patent UNITED f STATES: PATENTS dei"
US813893A 1958-05-24 1959-05-18 Balancing device Expired - Lifetime US2958165A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1958H0033393 DE1074442B (en) 1958-05-24 1958-05-24 Balancing device for rotating and wearing NX produces, for example, sliding disks
CH8149159A CH378068A (en) 1958-05-24 1959-12-04 Method and mounting flange for balancing disc-shaped tools

Publications (1)

Publication Number Publication Date
US2958165A true US2958165A (en) 1960-11-01

Family

ID=25738549

Family Applications (1)

Application Number Title Priority Date Filing Date
US813893A Expired - Lifetime US2958165A (en) 1958-05-24 1959-05-18 Balancing device

Country Status (5)

Country Link
US (1) US2958165A (en)
CH (1) CH378068A (en)
DE (1) DE1074442B (en)
FR (1) FR1237153A (en)
GB (1) GB856476A (en)

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3272015A (en) * 1963-11-27 1966-09-13 Carl M Behm Rotor balancing device
US3273419A (en) * 1963-11-13 1966-09-20 Bmw Triebwerkbau G M B H Balancing weight construction
US3662620A (en) * 1970-07-02 1972-05-16 George R Carlson Balance arbor assembly for buffing and like machine
US3736811A (en) * 1971-08-19 1973-06-05 Gen Electric Balance weight attachment for turbine wheels
US3799618A (en) * 1971-09-14 1974-03-26 S Martinoli Wheel balancing systems
US4109549A (en) * 1976-06-28 1978-08-29 Vincent Raymond A Dynamic balancer for rotating bodies and method of manufacturing same
US4218851A (en) * 1979-03-09 1980-08-26 Norton Company High speed rotatable abrasive body and mounting
US4244150A (en) * 1979-06-08 1981-01-13 Goff James R One-piece abrasive blasting wheel
JPS6416264U (en) * 1987-07-21 1989-01-26
US4815543A (en) * 1986-06-09 1989-03-28 General Mining Union Corporation Limited Activated rock cutting assembly
US4895047A (en) * 1988-04-04 1990-01-23 Household Manufacturing, Inc. Vibration damper
US5033923A (en) * 1989-12-18 1991-07-23 Eiichi Osawa Rotary tool
US5243788A (en) * 1989-09-11 1993-09-14 Gebr. Hofmann Gmbh & Co., Kg Maschinenfabrik Grinding wheel balancing method and apparatus
US5376063A (en) * 1991-01-23 1994-12-27 Boehringer Mannheim Corporation Self-balancing apparatus and method for a centrifuge device
US5460017A (en) * 1992-05-21 1995-10-24 Eti Technologies Inc. Weight compensating apparatus
US5592858A (en) * 1992-05-21 1997-01-14 Eti Technologies Inc. Weight compensating method and apparatus
US5605078A (en) * 1992-05-21 1997-02-25 Eti Technologies Inc. Weight compensating method and apparatus
US5613408A (en) * 1992-05-21 1997-03-25 Eti Technologies Inc. Weight compensating method and apparatus
US5724862A (en) * 1992-05-21 1998-03-10 Eti Technologies Inc. Dynamic balancing method and apparatus
US5746647A (en) * 1996-11-12 1998-05-05 China Grinding Wheel Corporation Sleeve flange type mounting device for mounting a grinding wheel on a spindle of a grinding machine
US5813346A (en) * 1996-08-22 1998-09-29 Scitex Corporation Ltd. Adaptive drum balancing system
US20070010179A1 (en) * 2003-12-06 2007-01-11 Justus Lamprecht Hand grinder, flange for accomodating a grinding tool, and balancing unit
CN102294659A (en) * 2010-06-25 2011-12-28 中国砂轮企业股份有限公司 Grinding wheel adjustable in dynamic balance and capable of removing chips
US8841358B2 (en) 2009-04-29 2014-09-23 Tundra Composites, LLC Ceramic composite
US9105382B2 (en) 2003-11-14 2015-08-11 Tundra Composites, LLC Magnetic composite
US9153377B2 (en) 2008-01-18 2015-10-06 Tundra Composites, LLC Magnetic polymer composite
CN105345663A (en) * 2015-11-25 2016-02-24 厦门理工学院 Grinding wheel device capable of monitoring grinding working conditions in real time

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5367919A (en) * 1992-03-03 1994-11-29 Luk Lamellen Und Kupplungsbau Gmbh Carrier for use in torque transmitting apparatus
US5845542A (en) * 1992-05-21 1998-12-08 Eti Technologies Inc. Dynamic balancing method and apparatus
DE4334244A1 (en) * 1993-10-07 1995-04-13 Schenck Ag Carl Method and device for balancing different system unbalances in the balancing of rotors having asymmetrical mass distribution
EP1184590B1 (en) 2000-08-10 2005-11-30 Heidelberger Druckmaschinen Aktiengesellschaft Procedure and apparatus for balancing a rotating body
DE10305714B4 (en) * 2003-02-12 2014-04-30 Bayerische Motoren Werke Aktiengesellschaft force feed
DE102007013899A1 (en) * 2007-03-20 2008-09-25 Oc Oerlikon Balzers Ag Color wheel with individual balancing masses along a guide
US8228626B2 (en) 2007-03-20 2012-07-24 Oerlikon Trading Ag, Trubbach Color wheel with individual balancing masses along a guide
DE102007044523A1 (en) * 2007-09-18 2009-03-19 Man Diesel Se High rotation speed axial-bearing arrangement, has axial-bearing band exhibiting mass distribution in radial direction with respect to bearing surface of band, where bending moment works against deformation of bearing surface

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US414642A (en) * 1889-11-05 Self-adjusting counter-balance
US430270A (en) * 1890-06-17 Balancing device for wh eels
US578599A (en) * 1897-03-09 Locomotive driving-wheel
US1191393A (en) * 1912-08-12 1916-07-18 B F Sturtevant Co Balancing-ring.
US1305978A (en) * 1919-06-03 Abrasive-wheel centering and balancing device
DE554689C (en) * 1932-07-11 Oemeta Chemische Werke G M B H Grinding wheel
US2097894A (en) * 1935-09-26 1937-11-02 Roche John Balancing device for grinding or polishing wheels
GB620464A (en) * 1947-01-20 1949-03-24 Weyburn Engineering Company Lt Improvements relating to the balancing of rotating parts

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US817462A (en) * 1905-05-09 1906-04-10 Zucker & Levett & Loeb Company Polishing or buffing wheel.
FR492133A (en) * 1917-09-27 1919-06-28 Norton Co Improvements to grinding devices

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US414642A (en) * 1889-11-05 Self-adjusting counter-balance
US430270A (en) * 1890-06-17 Balancing device for wh eels
US578599A (en) * 1897-03-09 Locomotive driving-wheel
US1305978A (en) * 1919-06-03 Abrasive-wheel centering and balancing device
DE554689C (en) * 1932-07-11 Oemeta Chemische Werke G M B H Grinding wheel
US1191393A (en) * 1912-08-12 1916-07-18 B F Sturtevant Co Balancing-ring.
US2097894A (en) * 1935-09-26 1937-11-02 Roche John Balancing device for grinding or polishing wheels
GB620464A (en) * 1947-01-20 1949-03-24 Weyburn Engineering Company Lt Improvements relating to the balancing of rotating parts

Cited By (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3273419A (en) * 1963-11-13 1966-09-20 Bmw Triebwerkbau G M B H Balancing weight construction
US3272015A (en) * 1963-11-27 1966-09-13 Carl M Behm Rotor balancing device
US3662620A (en) * 1970-07-02 1972-05-16 George R Carlson Balance arbor assembly for buffing and like machine
US3736811A (en) * 1971-08-19 1973-06-05 Gen Electric Balance weight attachment for turbine wheels
US3799618A (en) * 1971-09-14 1974-03-26 S Martinoli Wheel balancing systems
US4109549A (en) * 1976-06-28 1978-08-29 Vincent Raymond A Dynamic balancer for rotating bodies and method of manufacturing same
US4218851A (en) * 1979-03-09 1980-08-26 Norton Company High speed rotatable abrasive body and mounting
US4244150A (en) * 1979-06-08 1981-01-13 Goff James R One-piece abrasive blasting wheel
US4815543A (en) * 1986-06-09 1989-03-28 General Mining Union Corporation Limited Activated rock cutting assembly
JPS6416264U (en) * 1987-07-21 1989-01-26
US4895047A (en) * 1988-04-04 1990-01-23 Household Manufacturing, Inc. Vibration damper
US5243788A (en) * 1989-09-11 1993-09-14 Gebr. Hofmann Gmbh & Co., Kg Maschinenfabrik Grinding wheel balancing method and apparatus
US5033923A (en) * 1989-12-18 1991-07-23 Eiichi Osawa Rotary tool
US5376063A (en) * 1991-01-23 1994-12-27 Boehringer Mannheim Corporation Self-balancing apparatus and method for a centrifuge device
US5711190A (en) * 1992-05-21 1998-01-27 Eti Technologies Inc. Weight compensating method and apparatus
US5605078A (en) * 1992-05-21 1997-02-25 Eti Technologies Inc. Weight compensating method and apparatus
US5613408A (en) * 1992-05-21 1997-03-25 Eti Technologies Inc. Weight compensating method and apparatus
US5460017A (en) * 1992-05-21 1995-10-24 Eti Technologies Inc. Weight compensating apparatus
US5724862A (en) * 1992-05-21 1998-03-10 Eti Technologies Inc. Dynamic balancing method and apparatus
US5768951A (en) * 1992-05-21 1998-06-23 Eti Technologies Inc. Dynamic balancing method and apparatus
US5816115A (en) * 1992-05-21 1998-10-06 Eti Technologies Inc. Weight compensating method and apparatus
US5829318A (en) * 1992-05-21 1998-11-03 Eti Technologies Inc. Dynamic balancing method and apparatus
US5592858A (en) * 1992-05-21 1997-01-14 Eti Technologies Inc. Weight compensating method and apparatus
US5813346A (en) * 1996-08-22 1998-09-29 Scitex Corporation Ltd. Adaptive drum balancing system
US5746647A (en) * 1996-11-12 1998-05-05 China Grinding Wheel Corporation Sleeve flange type mounting device for mounting a grinding wheel on a spindle of a grinding machine
US9105382B2 (en) 2003-11-14 2015-08-11 Tundra Composites, LLC Magnetic composite
US20070010179A1 (en) * 2003-12-06 2007-01-11 Justus Lamprecht Hand grinder, flange for accomodating a grinding tool, and balancing unit
US9153377B2 (en) 2008-01-18 2015-10-06 Tundra Composites, LLC Magnetic polymer composite
US8841358B2 (en) 2009-04-29 2014-09-23 Tundra Composites, LLC Ceramic composite
US9249283B2 (en) 2009-04-29 2016-02-02 Tundra Composites, LLC Reduced density glass bubble polymer composite
US9376552B2 (en) 2009-04-29 2016-06-28 Tundra Composites, LLC Ceramic composite
US9771463B2 (en) 2009-04-29 2017-09-26 Tundra Composites, LLC Reduced density hollow glass microsphere polymer composite
US10508187B2 (en) 2009-04-29 2019-12-17 Tundra Composites, LLC Inorganic material composite
US11041060B2 (en) 2009-04-29 2021-06-22 Tundra Composites, LLC Inorganic material composite
US11767409B2 (en) 2009-04-29 2023-09-26 Tundra Composites, LLC Reduced density hollow glass microsphere polymer composite
CN102294659A (en) * 2010-06-25 2011-12-28 中国砂轮企业股份有限公司 Grinding wheel adjustable in dynamic balance and capable of removing chips
CN105345663A (en) * 2015-11-25 2016-02-24 厦门理工学院 Grinding wheel device capable of monitoring grinding working conditions in real time

Also Published As

Publication number Publication date
DE1074442B (en) 1960-01-28
FR1237153A (en) 1960-11-23
CH378068A (en) 1964-05-31
GB856476A (en) 1960-12-14

Similar Documents

Publication Publication Date Title
US2958165A (en) Balancing device
EP0467922B1 (en) Method and apparatus for balancing a rotary tool assembly
US3030744A (en) Air film bearing for machine tools
EP0682585B1 (en) Apparatus and method for balancing rotary tools
US3889542A (en) Wheel mounting apparatus
US4986149A (en) System for final balancing of cast metal brake drums
US4044678A (en) Printing cylinder for printing machines
US2164900A (en) Dynamic balancer for machine tools
JP2810997B2 (en) Boring equipment
CA1313309C (en) Hand sander
US2712686A (en) Adjustable tool construction
US3376759A (en) Device for compensating unbalances of revolving axially symmetrical parts
US4907375A (en) Grinding wheel
US2244734A (en) Precision spindle for grinding wheels and the like
US3153354A (en) Adjustable tool head attachment
US2459947A (en) Balancing device
US2809475A (en) Rotary tool holding device
US2904938A (en) Arbor
US3662620A (en) Balance arbor assembly for buffing and like machine
US6712682B2 (en) Grinding wheel fixture
US2857216A (en) Self-balancing spindle
Kaliszer et al. ‘Apparent’Run-Out of the Grinding Wheel Periphery and Its Effect on Surface Topography
US2176248A (en) Grinding machine
US3094888A (en) Roller tool mounting and driving means
KR900008002Y1 (en) Disc type center