EP3115152A2 - Outil abrasif - Google Patents

Outil abrasif Download PDF

Info

Publication number
EP3115152A2
EP3115152A2 EP16178862.5A EP16178862A EP3115152A2 EP 3115152 A2 EP3115152 A2 EP 3115152A2 EP 16178862 A EP16178862 A EP 16178862A EP 3115152 A2 EP3115152 A2 EP 3115152A2
Authority
EP
European Patent Office
Prior art keywords
abrasive tool
working body
base body
abrasive
working
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.)
Withdrawn
Application number
EP16178862.5A
Other languages
German (de)
English (en)
Other versions
EP3115152A3 (fr
Inventor
Willem Mirani
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
Publication of EP3115152A2 publication Critical patent/EP3115152A2/fr
Publication of EP3115152A3 publication Critical patent/EP3115152A3/fr
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
    • B24D7/02—Wheels in one piece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
    • B24D7/02—Wheels in one piece
    • B24D7/04—Wheels in one piece with reinforcing means

Definitions

  • the present invention relates to an abrasive tool for working elements made of stone-like, ceramic or similar material, even with high hardness.
  • abrasive tools are constituted by a metallic supporting body which is for example disk-shaped and has a working surface that supports the abrasive dust.
  • the supporting body is mounted on a machine tool, for example a buffing machine, which transmits to the tool a motion, typically a cyclic, linear, oscillatory or rotary motion, so as to move the working surface into contact with the part to be worked.
  • a machine tool for example a buffing machine
  • a motion typically a cyclic, linear, oscillatory or rotary motion
  • the tool can also be stationary, such as for example a lathe tool.
  • abrasive tools by way of example pads, are constituted by a metallic supporting body, typically made of steel, which has a working surface coated with a layer of abrasive dust (for example diamond dust) mixed with a bonding substance, such as for example an adhesive.
  • abrasive dust for example diamond dust
  • the aim of the present invention is to eliminate or at least reduce drastically the drawbacks described above.
  • an object of the invention is to provide an abrasive tool that is provided without using bonding agents or adhesives.
  • Another object of the invention is to provide an abrasive tool that is extremely light, so as to reduce operating costs and the risk of the onset of vibrations.
  • the present invention relates to an abrasive tool, generally designated by the reference numeral 1.
  • the abrasive tool 1 comprises a base body 2, which forms a portion 2a for fixing to a movement device and is intended to be turned about a movement axis 100.
  • the fixing portion 2a can comprise a flanged portion that is integral with the base body 2 to which a movement shaft is to be connected in a known manner.
  • the base body 2 can be associated with a working body 3 that is extended around the movement axis 100 and has at least one abrasive element 4.
  • the working body 3 has a substantially annular shape.
  • the base body 2 forms a coupling surface 2b for locking the working body 3 and a lateral containment surface 5 that is intended to face at least one portion of the internal lateral surface 6 of the working body 3.
  • the coupling surface 2b is extended on a plane that is substantially perpendicular to the movement axis 100.
  • the lateral containment surface 5 comprises a cylindrical surface that is extended around the movement axis 100.
  • Such cylindrical surface is extended at right angles to the coupling surface 2b.
  • the abrasive tool 1 is provided with means for the detachable fixing of the working body 3 to the coupling surface 2b.
  • the detachable fixing means comprise a plurality of threaded elements 8 for connection between the base body 2 and the working body 3.
  • axial connection pins are conveniently provided.
  • the base body 2 has, at the surface arranged toward the working body 3, a central portion 10a that is recessed with respect to the top 10b of the lateral containment surface 5.
  • Such connecting surface comprises a curvilinear shape 11 and/or an inclined or step-like plane 12.
  • the abrasive element 4 is extended at a higher level than the top 10b of the lateral containment surface 5.
  • At least one insulating layer 7 is interposed between the working body 3 and the base body 2.
  • the base body 2 is made of metallic material and preferably of aluminum.
  • the abrasive element 4 is obtained for example by sintering abrasive dust with metallic bonding agent in order to obtain a so-called sintered grinding wheel.
  • the working body 3 is made advantageously of a metal or metal alloy which is optionally different from the one that provides the base body 2.
  • the working body 3 is made of steel.
  • the insulating layer 7 is made of polymeric material and in particular of silicone rubber.
  • the insulating layer 7 can comprise a lamina made of plastic or metal, for example copper.
  • the abrasive tool 1 allows to eliminate any vibrations that cause unpleasant acoustic resonance and low reliability, significantly reducing consumption thanks to the aerodynamic shape that is determined by the lateral containment surface and by the connecting surface.
  • the presence of the lateral containment surface 5 allows to channel, during the rotation of the abrasive tool, a part of the air toward the abrasive element 4, limiting its overheating and increasing its life significantly.
  • the materials used may be any according to requirements.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
EP16178862.5A 2015-07-09 2016-07-11 Outil abrasif Withdrawn EP3115152A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITUB2015A001977A ITUB20151977A1 (it) 2015-07-09 2015-07-09 Utensile abrasivo.

Publications (2)

Publication Number Publication Date
EP3115152A2 true EP3115152A2 (fr) 2017-01-11
EP3115152A3 EP3115152A3 (fr) 2017-01-18

Family

ID=54325617

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16178862.5A Withdrawn EP3115152A3 (fr) 2015-07-09 2016-07-11 Outil abrasif

Country Status (2)

Country Link
EP (1) EP3115152A3 (fr)
IT (1) ITUB20151977A1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1611747A (en) * 1924-12-02 1926-12-21 Heppenstall Forge And Knife Co Grinding apparatus
JP5686338B2 (ja) * 2009-12-22 2015-03-18 日鉄住金防蝕株式会社 回転研削工具およびその製造方法
DE102011009364B4 (de) * 2011-01-25 2012-09-27 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Schneidwerkzeug mit Metallschaumkörper
CN203031481U (zh) * 2012-12-20 2013-07-03 彭智明 一种弹性磨盘及其组装成的弹性磨削装置
CN203390752U (zh) * 2013-07-26 2014-01-15 福建易达纳米材料科技有限公司 一种便捷弹性磨块

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Also Published As

Publication number Publication date
EP3115152A3 (fr) 2017-01-18
ITUB20151977A1 (it) 2017-01-09

Similar Documents

Publication Publication Date Title
BRPI0615020A2 (pt) ferramenta com superfìcie de polimento de corpo sinterizada e método de fabricação da mesma
US20110195637A1 (en) Orbital Smoothing Device
JP2011189456A (ja) 研削装置及び研削方法
US8919215B2 (en) Orbital motion attachment with counterweight for angle die grinder
SG136799A1 (en) Point superabrasive machining of nickel alloys
EP3115152A2 (fr) Outil abrasif
JP2010125567A (ja) Ｃｍｐパッドコンディショナー
US20100095470A1 (en) Buffing device
CN204248677U (zh) 砂轮
US20140045414A1 (en) Surface machining tool
CN201366642Y (zh) 内圆磨轮
JP2014217935A (ja) ドレッシング工具
CN204248676U (zh) 散热砂轮
CN203418448U (zh) 一种斜边树脂结合剂金刚石砂轮
KR102415092B1 (ko) 가공이 용이하도록 구성되는 그라인딩 공구의 제조방법
JP6234250B2 (ja) ドレッシング工具
EP2664416A1 (fr) Procédé de fabrication d'un outil abrasif
CN205438258U (zh) 一种带有排屑槽的砂轮
JP5953328B2 (ja) マウント材およびそれを用いたワークの加工方法ならびに平面加工用マウント体
CN201455821U (zh) 一种带散热孔的斜齿磨轮
CN203125337U (zh) 磨挖掘机眼镜板专用碳化硅陶瓷砂轮
CN207373001U (zh) 一种金刚石镶嵌式复合材料磨具
CN204748365U (zh) 一种用于石材打磨的弹性磨片
KR20160133964A (ko) 고경질 자재 연마용 휠 및 그 제조방법
JP6342290B2 (ja) 研磨機

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

RIC1 Information provided on ipc code assigned before grant

Ipc: B24D 7/04 20060101ALI20161209BHEP

Ipc: B24D 7/02 20060101AFI20161209BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20170719