WO2017193147A1 - Schleifscheibe mit einem schwinungsdämfingen trägerkörper - Google Patents
Schleifscheibe mit einem schwinungsdämfingen trägerkörper Download PDFInfo
- Publication number
- WO2017193147A1 WO2017193147A1 PCT/AT2017/060099 AT2017060099W WO2017193147A1 WO 2017193147 A1 WO2017193147 A1 WO 2017193147A1 AT 2017060099 W AT2017060099 W AT 2017060099W WO 2017193147 A1 WO2017193147 A1 WO 2017193147A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- grinding wheel
- vibration
- coupling region
- abrasive coating
- carrier body
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/007—Weight compensation; Temperature compensation; Vibration damping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B45/00—Means for securing grinding wheels on rotary arbors
-
- 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
- B24D5/02—Wheels in one piece
-
- 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
- B24D5/12—Cut-off wheels
-
- 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
Definitions
- the invention relates to a grinding wheel with a carrier body, which has a central coupling region for connecting the grinding wheel to a rotary drive for rotating the grinding wheel about a coupling axis extending through the axis of rotation and a peripheral surface, and with an abrasive coating, which is applied to the peripheral surface of the carrier body, in particular Sintered is.
- the grinding wheel 101 comprises a carrier body 102 made of steel with a central coupling region 104 for connecting the grinding wheel 101 to a rotary drive for rotating the grinding wheel 101, passing through the coupling region 104 Rotation axis 105.
- the carrier body 102 further has a peripheral surface 106, on which an abrasive coating 107 is applied.
- the grinding insert generates vibrations which radiate over all areas of the grinding wheel and the workpiece to be machined. If one or more natural frequencies are excited, the vibrations are even amplified. The vibrations can also adversely affect the accuracy and thus the quality of the grinding result.
- the objective technical object of the present invention is therefore to provide a grinding wheel according to the preamble of claim 1, in which these disadvantages are avoided.
- the carrier body comprises a first part and a second part connected thereto, wherein the first part has the peripheral surface, and the second part has the coupling region and consists essentially of a vibration-damping material.
- the vibration decoupling or damping by the second part of the carrier body thus takes place in two directions: on the one hand, the vibrations generated by the abrasive coating and, on the other hand, the vibrations caused by the rotary drive or the grinding machine are damped and decoupled from one another. In the prior art, some overlapping and additional amplification of these vibrations takes place.
- a damping of the vibrations caused by the spindle of the drive through the second part of the carrier body also has a favorable effect, for example, on the bearings of the spindle, since they are less stressed.
- the invention is therefore not only to provide a support body with a vibration-damping material, but at least two parts perform the support body, wherein one part consists essentially of a vibration-damping material and the other part can be created from a different material, which other, for the grinding insert has favorable physical properties.
- the vibration-damping material of the second part may be, for example, cast iron, preferably with lamellar graphite (eg GJL 250), spheroidal graphite, vermicular graphite, or cast steel, and / or aluminum bronze and / or fiber-reinforced, preferably carbon fiber reinforced, plastic.
- the first part of the carrier body can essentially consist of a vibration-conducting and / or heat-conducting material, preferably steel or aluminum.
- the abrasive coating is formed contactlessly to the second part, so that vibrations occurring during a grinding process can be transferred indirectly via the first part to the second part and attenuated by means of the second part.
- the first part consists essentially of a fiber-reinforced, preferably carbon fiber reinforced, plastic and the second part consists essentially of cast iron.
- both parts are made of a vibration-damping material.
- the invention does not necessarily provide that the first part consists of a vibration-conducting material.
- a, preferably axial, screw connection can be provided. It is particularly advantageous to provide in the first and / or second part recesses, in which threaded bushes used, preferably glued, are. In this way, the second part can be supplied for reuse in a particularly simple manner. Alternatively, it would also be possible to cut the threads directly into the first and / or second part.
- the second part has an approximately twice as large volume as the first part, and / or the second part has a higher weight compared to the first part. This is a very massive second part, which dampens the vibrations occurring in the grinding insert in a particularly efficient manner.
- Figure 2 shows a preferred embodiment of an inventive
- FIG. 3 shows the first part of the carrier body of the grinding wheel from FIG. 2
- FIG. 4 shows the second part of the carrier body of the grinding wheel from FIG. 2.
- the grinding wheel 1 illustrated in FIGS. 2 to 4 comprises a carrier body which is constructed from a first part 2 and a second part 3 connected thereto.
- the first part 2 consists essentially of steel and is therefore vibration and heat conducting.
- the first part 2 has a peripheral surface 6, on which an abrasive coating 7 with a width 12 of approximately 5 mm is sintered. Vibrations and heat generated in the grinding insert can be dissipated via the first part 1.
- the first part 2 is connected via two contact surfaces 10 and 1 1 with the second part 3 in connection, wherein the rotation axis 5 is aligned substantially normal to the contact surface 10 and substantially parallel to the contact surface 1 1. In this case, the contact surface 10 is a multiple greater than the contact surface 1 1.
- the vibrations are forwarded to the second part 3.
- This consists essentially of a vibration-damping material, such as cast iron with lamellar graphite or aluminum bronze or fiber-reinforced, preferably carbon fiber reinforced plastic. Due to the vibration damping properties of the second part 3, the vibrations transmitted by the first part 2 are damped.
- the grinding wheel 1 is formed asymmetrically with respect to an imaginary center plane normal to the axis of rotation 5.
- the second part 3 has a coupling region 4 for connecting the grinding wheel 1 to a rotary drive for rotating the grinding wheel 1 about an axis of rotation 5 extending through the coupling region 4.
- the coupling region 4 is formed as a central bore.
- the coupling region 4 is therefore formed directly in the vibration-damping material of the second part 3, so that the second part 3 acts as a hub.
- the second part 3 When assembling the grinding wheel 1, the second part 3 is introduced with an approximately cylindrical projection 16 in a corresponding recess 14 which is provided in the first part 2, namely until the parts 2 and 3 are flush with each other. Subsequently, the two parts 2 and 3 are firmly connected.
- it is an axial screw, so a screw parallel to the axis of rotation 5.
- recesses 9 In which threaded bushings 8 are glued. These are arranged in alignment with recesses 15, which are provided in the first part 2.
- a screw head has space. After joining the two parts 2 and 3, these can be firmly connected by screws 13 together.
- the first part 2 can be removed again and replaced by a new first part 2, wherein the second part 3 can be reused.
- the arrangement of the recesses 9 and 15 in the two parts 2 and 3 represents only an exemplary possibility of how a screw connection can be realized. A reverse arrangement is possible. Furthermore, as already stated, the thread can also be cut directly into one of the two parts 2 or 3. Finally, other types of connection can be used instead of the screw connection-alternatively or additionally-such as, for example, bonding of the two parts 2 and 3.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI201730270T SI3455031T1 (sl) | 2016-05-13 | 2017-04-19 | Brusilni disk z nosilnim telesom, ki duši vibracije |
JP2019512023A JP7014776B2 (ja) | 2016-05-13 | 2017-04-19 | 振動減衰性の支持本体を備える研削砥石 |
EP17719985.8A EP3455031B1 (de) | 2016-05-13 | 2017-04-19 | Schleifscheibe mit einem schwingungsdämpfenden trägerkörper |
PL17719985T PL3455031T3 (pl) | 2016-05-13 | 2017-04-19 | Tarcza szlifierska |
CN201780029441.6A CN109153108B (zh) | 2016-05-13 | 2017-04-19 | 具有减振载体的磨削盘 |
ES17719985T ES2794786T3 (es) | 2016-05-13 | 2017-04-19 | Disco abrasivo con un cuerpo de soporte amortiguador de vibración |
KR1020187034181A KR102180895B1 (ko) | 2016-05-13 | 2017-04-19 | 진동 감쇠 지지체를 구비한 연삭 휠 |
IL262609A IL262609B (en) | 2016-05-13 | 2018-10-25 | Grinding wheel with support body to prevent instability |
US16/173,034 US11607777B2 (en) | 2016-05-13 | 2018-10-29 | Grinding wheel with a vibration-damping support body |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA50447/2016A AT518247B1 (de) | 2016-05-13 | 2016-05-13 | Schleifscheibe |
ATA50447/2016 | 2016-05-13 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US16/173,034 Continuation US11607777B2 (en) | 2016-05-13 | 2018-10-29 | Grinding wheel with a vibration-damping support body |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2017193147A1 true WO2017193147A1 (de) | 2017-11-16 |
Family
ID=58640644
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AT2017/060099 WO2017193147A1 (de) | 2016-05-13 | 2017-04-19 | Schleifscheibe mit einem schwinungsdämfingen trägerkörper |
Country Status (11)
Country | Link |
---|---|
US (1) | US11607777B2 (de) |
EP (1) | EP3455031B1 (de) |
JP (1) | JP7014776B2 (de) |
KR (1) | KR102180895B1 (de) |
CN (1) | CN109153108B (de) |
AT (1) | AT518247B1 (de) |
ES (1) | ES2794786T3 (de) |
IL (1) | IL262609B (de) |
PL (1) | PL3455031T3 (de) |
SI (1) | SI3455031T1 (de) |
WO (1) | WO2017193147A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111823153A (zh) * | 2020-08-06 | 2020-10-27 | 平湖盛邦科技有限公司 | 一种碳纤维基体复合结构砂轮及其制造方法 |
Citations (6)
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CH575276A5 (en) * | 1974-05-02 | 1976-05-14 | Krebs & Riedelwing George Seab | Saw blade for grinding machines - is built up of two concentric parts of materials of different elasticity |
JP2002059367A (ja) * | 2000-08-23 | 2002-02-26 | Bando Kiko Kk | メタルボンドダイヤモンド砥石及びその製造方法 |
JP2005125412A (ja) * | 2003-10-21 | 2005-05-19 | Taiho Diamond Kogyo Kk | ダイヤモンドカッタ |
WO2007057287A1 (de) * | 2005-11-16 | 2007-05-24 | Robert Bosch Gmbh | Trennscheibe |
US20070167119A1 (en) * | 2006-01-19 | 2007-07-19 | Mitsukazu Momosaki | Mounting system for grinding wheels and the like |
EP2527090A1 (de) * | 2011-05-25 | 2012-11-28 | Sankyo Diamond Industrial Co., Ltd. | Sägeblatt mit geringer Vibration |
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JPS59214561A (ja) | 1983-05-19 | 1984-12-04 | Toyoda Mach Works Ltd | 砥石ツル−イング用ダイヤモンドホイ−ル |
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AT400013B (de) * | 1990-05-07 | 1995-09-25 | Rappold International Sales Ag | Schleifanordnung |
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JP2002159367A (ja) * | 2000-11-27 | 2002-06-04 | Nissan Motor Co Ltd | 車両用シート |
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-
2016
- 2016-05-13 AT ATA50447/2016A patent/AT518247B1/de active
-
2017
- 2017-04-19 EP EP17719985.8A patent/EP3455031B1/de active Active
- 2017-04-19 PL PL17719985T patent/PL3455031T3/pl unknown
- 2017-04-19 WO PCT/AT2017/060099 patent/WO2017193147A1/de unknown
- 2017-04-19 JP JP2019512023A patent/JP7014776B2/ja active Active
- 2017-04-19 KR KR1020187034181A patent/KR102180895B1/ko active IP Right Grant
- 2017-04-19 SI SI201730270T patent/SI3455031T1/sl unknown
- 2017-04-19 ES ES17719985T patent/ES2794786T3/es active Active
- 2017-04-19 CN CN201780029441.6A patent/CN109153108B/zh active Active
-
2018
- 2018-10-25 IL IL262609A patent/IL262609B/en unknown
- 2018-10-29 US US16/173,034 patent/US11607777B2/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH575276A5 (en) * | 1974-05-02 | 1976-05-14 | Krebs & Riedelwing George Seab | Saw blade for grinding machines - is built up of two concentric parts of materials of different elasticity |
JP2002059367A (ja) * | 2000-08-23 | 2002-02-26 | Bando Kiko Kk | メタルボンドダイヤモンド砥石及びその製造方法 |
JP2005125412A (ja) * | 2003-10-21 | 2005-05-19 | Taiho Diamond Kogyo Kk | ダイヤモンドカッタ |
WO2007057287A1 (de) * | 2005-11-16 | 2007-05-24 | Robert Bosch Gmbh | Trennscheibe |
US20070167119A1 (en) * | 2006-01-19 | 2007-07-19 | Mitsukazu Momosaki | Mounting system for grinding wheels and the like |
EP2527090A1 (de) * | 2011-05-25 | 2012-11-28 | Sankyo Diamond Industrial Co., Ltd. | Sägeblatt mit geringer Vibration |
Also Published As
Publication number | Publication date |
---|---|
EP3455031B1 (de) | 2020-03-11 |
US20190061108A1 (en) | 2019-02-28 |
AT518247A4 (de) | 2017-09-15 |
JP7014776B2 (ja) | 2022-02-01 |
ES2794786T3 (es) | 2020-11-19 |
EP3455031A1 (de) | 2019-03-20 |
PL3455031T3 (pl) | 2020-08-24 |
IL262609B (en) | 2022-03-01 |
AT518247B1 (de) | 2017-09-15 |
US11607777B2 (en) | 2023-03-21 |
CN109153108A (zh) | 2019-01-04 |
KR20180135067A (ko) | 2018-12-19 |
CN109153108B (zh) | 2021-04-27 |
KR102180895B1 (ko) | 2020-11-20 |
IL262609A (en) | 2019-02-28 |
SI3455031T1 (sl) | 2020-09-30 |
JP2019514721A (ja) | 2019-06-06 |
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