WO2000062010A1 - Capteur de position et aiguille de contact - Google Patents

Capteur de position et aiguille de contact Download PDF

Info

Publication number
WO2000062010A1
WO2000062010A1 PCT/JP2000/002220 JP0002220W WO0062010A1 WO 2000062010 A1 WO2000062010 A1 WO 2000062010A1 JP 0002220 W JP0002220 W JP 0002220W WO 0062010 A1 WO0062010 A1 WO 0062010A1
Authority
WO
WIPO (PCT)
Prior art keywords
contact
position detector
contact body
tool
sphere
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.)
Ceased
Application number
PCT/JP2000/002220
Other languages
English (en)
Japanese (ja)
Inventor
Norio Fukuhisa
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.)
Nisshin Sangyo KK
Original Assignee
Nisshin Sangyo KK
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=14277297&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2000062010(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nisshin Sangyo KK filed Critical Nisshin Sangyo KK
Publication of WO2000062010A1 publication Critical patent/WO2000062010A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/004—Measuring arrangements characterised by the use of mechanical techniques for measuring coordinates of points
    • G01B5/008—Measuring arrangements characterised by the use of mechanical techniques for measuring coordinates of points using coordinate measuring machines
    • G01B5/012—Contact-making feeler heads therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B1/00—Measuring instruments characterised by the selection of material therefor

Definitions

  • the present invention relates to a position detector for detecting a relative position between a tool or a tool holder of a machine tool and a work by contact, and a contact needle thereof.
  • the position detector which detects the relative positional relationship between the work and the tool attached to the machine tool by contact, has a contact end that can move in the evacuation direction at the time of contact and is biased and held at a predetermined stable position. I have.
  • this type of position detector there are a type in which the main body is attached to a tool holder of a machine tool, and a type in which the main body is attached to a workpiece by a magnet or the like.
  • FIG. 2 The former example is shown in FIG. 2, in which a battery 3 is housed in a plastic case 2 housed in a body 1, an anode of an LED 4 is connected to the anode of the battery 3, and a power sword is connected to the body 1.
  • the contact needle 5 is attached to the main body 1 while the disc-shaped base 6 is electrically insulated via an insulator 7 and pressed against the support leg 9 by a panel 8. I have.
  • the support leg 9 is screwed into the main body 1 and finely adjusts the position of the contact needle 5 by screwing it back and forth.
  • the base 6 of the contact needle is connected to the cathode of the battery 3 by the lead wire 11.
  • FIG. 4 An example of the latter is shown in FIG. 4, in which an upper part of the main body 1 is provided with a contact plate 5 which is movable in a downward direction in an electrically insulated state and is projected upward by a panel 8 to be urged by a panel 8. I have.
  • the contact end at the upper end of the contact plate 5 is a plane parallel to the bottom surface 14 of the main body 1, and the contact plate 5 and the main body 1 are connected by a conducting wire 11 in which the LED 4 and the battery 3 are connected in series.
  • the position detector configured as described above, after the main body 1 is attached to the workpiece 13 and the tool 15 is moved to contact the contact plate 5, the electric circuit passing through the machine tool is closed and the LED is closed. 4 lights up, and the position of the work is detected.
  • the contact body of this type of position detector is required to be an electric conductor, be inexpensive, and have the required hardness and wear resistance. Pairing steels with good properties and excellent mechanical properties by quenching and tempering are often used.
  • the circuit When the position of the work is detected by such a conventional position detector, the circuit is opened and closed, and the contact body repeatedly switches between an energized state and a non-energized state, and the contact body is sequentially magnetized. For this reason, chips generated by cutting or the like adhere to the contact body and intervene between the contact body and the workpiece or tool during position detection, causing a measurement error.
  • the contact body is an elongated contact needle, the contact needle is pulled by the magnetic force when the contact needle is approached from the side of the work, and the contact needle is slightly bent, causing a measurement error.
  • the contact body is made of a non-magnetic metal material such as austenitic stainless steel or duralumin, the above problem can be solved.However, the non-magnetic metal material has a low hardness and wear and tear due to repeated contact and separation with the workpiece and tool. A measurement error occurs due to deformation. Disclosure of the invention
  • the present invention enables accurate position detection by obtaining a non-magnetic contact body that is durable and does not cause measurement errors.
  • the contact end of the contact body 5 is formed of a nonmagnetic material in which approximately 6 to 16% of nickel is mixed as a binder into one byte of tungsten.
  • the contact body 5 is attached to the position detector main body while being evacuated and biased to a predetermined stable position in an electrically insulated state.
  • the contact body 5 is connected to the contact detection circuits 3 and 4, and the contact body 5 and the main body 1 are electrically connected via the tool 15 of the machine tool or the tool holder 12 and the work 13 At this time, the contact detection circuits 3 and 4 are opened and closed, and the relative positional relationship between the workpiece and the tool or tool holder is detected.
  • the handle 17 is a general
  • the sphere 16 is made of a non-magnetic material in which nickel is mixed as a binder with tungsten carbide.
  • the above sphere 16 is mixed with 4 to 16%, optimally around 6% of nickel in a fine powder of tungsten force and sintered at a high temperature, molded into a molten state, and then rolled. It is obtained by polishing while polishing.
  • the non-magnetic material for forming the handle include austenitic stainless steel, duralumin, and beryllium copper. The material obtained by age hardening of perilith copper has high mechanical strength and is not easily deformed.
  • the contact needle of the position detector of the present invention is a ball made of a non-magnetic material obtained by mixing nickel as a binder into a byte of tungsten and sintering, and an age hardened beryllium copper.
  • the spherical body 16 is formed into a perfect circle by joining an austenitic stainless steel male screw 18 by welding or bonding and screwing it into the screw hole provided at the tip of the handlebar 17 to fix it.
  • the structure is interchangeable and can be supplied individually.
  • the contact end of the contact body is made of a non-magnetic material obtained by mixing nickel as a binder into the tungsten carbide and sintering the contact body, so that the contact end can be given high hardness, and the contact end can be worn. And a decrease in position detection accuracy due to deformation or deformation.
  • FIG. 1 is a perspective view of a first embodiment of a contact body (contact needle) of the present invention.
  • FIG. 2 is a side view showing the position detector of the first embodiment and a measuring method thereof.
  • FIG. 3 is a perspective view of a second embodiment of the contact body of the present invention.
  • FIG. 4 is a side view showing the position detector of the second embodiment and a measuring method thereof.
  • reference numeral 1 is the body of the position detector, 3 is the battery, 4 is the LED, 5 is the contact body, 1 is the tool holder, 1 is the work holder, 13 is the work, 15 is the tool, 16 is the sphere, and 17 is Handle rod, 18 is a male screw.
  • FIG. 1 and 2 are views showing a first embodiment of the present invention.
  • the overall structure of the position detector shown in Fig. 2 has been described above.
  • the contact body (contact needle) 5 shown in FIG. 1 is formed by a sphere 16 and a handle 17.
  • Handle rod 17 is made of perilith copper It is manufactured by age hardening at a temperature of about 350 ° C after the cutting process.
  • Sphere 16 is prepared by adding 6% nickel to fine powder of tungsten carpite, melting nickel at a high temperature, mixing it with a stainless steel bite, and sintering the spherical surface in a mold to grind the peripheral surface. It is manufactured by making a male thread 18 of SUS304 electric resistance welded at one place on the circumference.
  • SUS304 is basically non-magnetic, but is magnetized during processing, and is returned to non-magnetic by solution heat treatment after mechanical processing. In this way, the entire handle rod 17 can be manufactured by using non-magnetic SUS 304 or the like.
  • the male screw 18 can be bonded to the handle 17 with an adhesive such as an epoxy resin adhesive, in addition to electric resistance welding such as spot welding. When bonding, it is preferable because a hole is provided in the peripheral surface of the sphere by electric discharge machining, and the male screw is bonded in a state fitted in the hole.
  • the sphere 16 is fixed to the tip of the handle rod 17 by screwing the male screw 18 into an axial female screw hole provided at the tip of the handle rod 17.
  • the base end of the handlebar 17 has a large diameter, and the axial screw provided at the base end of the disk 6 supported by floating on the main body via the insulator and biasing it to the neutral position is supported.
  • the contact needle 5 is attached to the main body 1 in a state of being electrically insulated by being screwed into the center hole.
  • the position detector of the first embodiment is attached to the tool holder 12 and the tip of the contact needle 5 is brought into contact with the side surface of the work 13 so that the work 13 and the tool holder 12 can move in the horizontal direction. Detect the positional relationship.
  • the detection needle 5 is held at a stable position by pressing the disk 6 against the support leg 9 with the panel 8, and can be retracted to the side after contacting the work.
  • FIGS. 3 and 4 show a second embodiment of the present invention.
  • the contact body 5 of this embodiment is formed by processing austenitic stainless steel into a disk shape with a sliding shaft centered on the lower surface, and using nickel as a bonding material with tungsten carbide on the upper surface of the disk, which is the contact end with the tool. Sinter the mixed non-magnetic material and polish its surface It is manufactured by doing.
  • the position detector of the second embodiment is mounted on the work 13 and the tip of the tool 15 is brought into contact with the upper surface of the contact body 5, so that the positional relationship between the work 13 and the tool 15 in the height direction Is detected.
  • the detector 5 is held in a stable position by pressing against the upper stroke end with the panel 8 and can be retracted downward after contacting the tool.
  • the position detector and the contact body of the present invention can be used to detect the relative positional relationship between a tool and a tool when processing a metal work.
  • the position detector and the contact body of the present invention are used, measurement errors due to the magnetization of the contact body serving as the detection end can be avoided, and the problem of a decrease in the hardness of the contact end does not occur. Therefore, it is possible to prevent the occurrence of measurement errors due to magnetization or wear of the contact end or deformation of the surface, thereby enabling accurate position detection and improving the durability of the detection end.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)

Abstract

L'extrémité de contact du corps de contact d'un capteur de position conçu pour détecter une pièce à travailler est fabriquée dans un matériau non magnétique contenant du carbure de tungstène et environ 6 à 16 % de nickel en tant que liant. Le corps de contact est relié à un circuit de détection à contact dans un état assurant son isolation électrique. Lorsque le corps de contact est électriquement connecté à un outil ou porte-outil de la machine et à la pièce à travailler, le circuit de détection à contact est mis alternativement sous tension et hors tension de façon à permettre la mesure de la position relative entre la pièce à travailler et l'outil et le porte-outil. Si le corps de contact est une fine aiguille de contact, la tige est fabriquée dans un matériau non magnétique ou de préférence dans un matériau durci par vieillissement à base de cuivre-béryllium. Il est ainsi possible d'éviter une dégradation de la précision des mesures pouvant résulter de la magnétisation du corps de contact.
PCT/JP2000/002220 1999-04-07 2000-04-06 Capteur de position et aiguille de contact Ceased WO2000062010A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP10055999A JP4072282B2 (ja) 1999-04-07 1999-04-07 位置検出器及びその接触針
JP11/100559 1999-04-07

Publications (1)

Publication Number Publication Date
WO2000062010A1 true WO2000062010A1 (fr) 2000-10-19

Family

ID=14277297

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2000/002220 Ceased WO2000062010A1 (fr) 1999-04-07 2000-04-06 Capteur de position et aiguille de contact

Country Status (2)

Country Link
JP (1) JP4072282B2 (fr)
WO (1) WO2000062010A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1202022A1 (fr) * 2000-10-24 2002-05-02 Saphirwerk Industrieprodukte AG Stylet pour palpeur de mesure

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009243883A (ja) * 2006-07-27 2009-10-22 Nisshin Sangyo Kk 接触検出器及びその検出針
DE102010051921A1 (de) * 2010-11-23 2012-05-24 Carl Zeiss Industrielle Messtechnik Gmbh Messvorrichtungen für Koordinatenmessgeräte
WO2012069250A1 (fr) 2010-11-23 2012-05-31 Carl Zeiss Industrielle Messtechnik Gmbh Dispositifs de mesure pour appareils de mesure de coordonnées
DE102012003223A1 (de) * 2012-02-20 2013-08-22 Carl Zeiss 3D Automation Gmbh Kugel-Schaft-Verbindung
CN103512518A (zh) * 2012-06-15 2014-01-15 苏州工业园区高登威科技有限公司 热继电器双金属片检测装置
CN116929172A (zh) 2018-06-12 2023-10-24 株式会社三丰 数字千分尺

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4153998A (en) * 1972-09-21 1979-05-15 Rolls-Royce (1971) Limited Probes
US4394185A (en) * 1982-03-30 1983-07-19 Cabot Berylco, Inc. Processing for copper beryllium alloys
JPS5987605U (ja) * 1982-12-06 1984-06-13 株式会社ニコン 接触式プロ−ブ装置
JPS62205275A (ja) * 1986-03-03 1987-09-09 Mazda Motor Corp タングステンカ−バイト層を有する耐摩耗性物品及びその製造方法
JPS62218567A (ja) * 1986-03-17 1987-09-25 Mazda Motor Corp タングステンカ−バイト層を有する耐摩耗性物品及びその製造方法
JPS63200707U (fr) * 1987-06-15 1988-12-23
JPH01110313U (fr) * 1988-01-19 1989-07-25
JPH0280901A (ja) * 1988-09-17 1990-03-22 Nikon Corp プローブ
US5273571A (en) * 1992-12-21 1993-12-28 Valenite Inc. Nonmagnetic nickel tungsten cemented carbide compositions and articles made from the same

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5836048U (ja) * 1981-08-31 1983-03-09 東陶機器株式会社 倣い工作機及び測定機用スタイラス
GB2145523A (en) * 1983-08-26 1985-03-27 Gte Valeron Corp Coatings for contacts of a touch probe
JPS6061142U (ja) * 1983-10-04 1985-04-27 東陶機器株式会社 倣い工作機及び測定機における精密用スタイラス
US4523063A (en) * 1983-12-05 1985-06-11 Gte Valeron Corporation Touch probe having nonconductive contact carriers
JPH084994B2 (ja) * 1986-06-20 1996-01-24 株式会社アマダ 工作機械
JPS63187101A (ja) * 1987-01-30 1988-08-02 Toshiba Corp タツチセンサプロ−ブ
US5517124A (en) * 1989-07-26 1996-05-14 Extrude Hone Corporation Stylus probe for measuring workpiece surface characteristics
JPH03197627A (ja) * 1989-12-26 1991-08-29 Kyoritsu Gokin Seisakusho:Kk ニッケル基超硬合金の製造方法
JPH07117363B2 (ja) * 1990-11-24 1995-12-18 レニショウ パブリック リミテッド カンパニー 接触プローブ
JP3385800B2 (ja) * 1995-06-22 2003-03-10 ソニー株式会社 色選別電極表面の位置測定方法及び測定用治具
JPH09329406A (ja) * 1996-06-06 1997-12-22 Nippon Soken Inc タッチプローブ
JPH1073430A (ja) * 1996-08-30 1998-03-17 Mitsutoyo Corp タッチ信号プローブ

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4153998A (en) * 1972-09-21 1979-05-15 Rolls-Royce (1971) Limited Probes
US4394185A (en) * 1982-03-30 1983-07-19 Cabot Berylco, Inc. Processing for copper beryllium alloys
JPS5987605U (ja) * 1982-12-06 1984-06-13 株式会社ニコン 接触式プロ−ブ装置
JPS62205275A (ja) * 1986-03-03 1987-09-09 Mazda Motor Corp タングステンカ−バイト層を有する耐摩耗性物品及びその製造方法
JPS62218567A (ja) * 1986-03-17 1987-09-25 Mazda Motor Corp タングステンカ−バイト層を有する耐摩耗性物品及びその製造方法
JPS63200707U (fr) * 1987-06-15 1988-12-23
JPH01110313U (fr) * 1988-01-19 1989-07-25
JPH0280901A (ja) * 1988-09-17 1990-03-22 Nikon Corp プローブ
US5273571A (en) * 1992-12-21 1993-12-28 Valenite Inc. Nonmagnetic nickel tungsten cemented carbide compositions and articles made from the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1202022A1 (fr) * 2000-10-24 2002-05-02 Saphirwerk Industrieprodukte AG Stylet pour palpeur de mesure

Also Published As

Publication number Publication date
JP2000292114A (ja) 2000-10-20
JP4072282B2 (ja) 2008-04-09

Similar Documents

Publication Publication Date Title
US4558312A (en) Position detecting device
CN101332531A (zh) 带有静电放电检测的导电金属球焊的设备和方法
JP4072282B2 (ja) 位置検出器及びその接触針
US4523063A (en) Touch probe having nonconductive contact carriers
US3960279A (en) Magnetic alignment for semiconductor device bonding
JP2011011297A (ja) 工作機械の接触検出装置
CN112171503B (zh) 涡电流传感器及研磨装置
JP2001054866A (ja) 放電成形ユニット及び切削装置
US4553001A (en) Touch probe having nonconductive contact carriers
CN104749439A (zh) 一种粉末冶金烧结合金样品电导率测量系统及方法
JPH0957581A (ja) 工具グリッパの寿命検出装置
JP4023525B2 (ja) 電鋳ブレード
JP2005018386A (ja) 可動工具の測定装置
WO2008013214A1 (fr) Détecteur de contact et son aiguille de détection
CN111069088A (zh) 用于2d平面霍尔芯片的磁通量测试装置
CN220206596U (zh) 接触式测头
CN211756978U (zh) 用于2d平面霍尔芯片的磁通量测试装置
TWI768567B (zh) 電阻熔接裝置之電阻檢測機構之連接構造、及電阻熔接方法
CN212683652U (zh) 一种镶嵌首饰夹持调整装置
CN204854698U (zh) 引线框架用铜带翘曲度测量装置
CN118616369B (zh) 一种微动开关按压行程筛选工装及筛选方法
JPS6230563B2 (fr)
CN223333678U (zh) 一种全行程磁性双极触发的线性按键开关
KR20090102022A (ko) 연마 장치
CN224231895U (zh) 一种测试装置

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): US

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE

121 Ep: the epo has been informed by wipo that ep was designated in this application
DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
WWE Wipo information: entry into national phase

Ref document number: 09958079

Country of ref document: US

122 Ep: pct application non-entry in european phase