JPH0248U - - Google Patents

Info

Publication number
JPH0248U
JPH0248U JP7202688U JP7202688U JPH0248U JP H0248 U JPH0248 U JP H0248U JP 7202688 U JP7202688 U JP 7202688U JP 7202688 U JP7202688 U JP 7202688U JP H0248 U JPH0248 U JP H0248U
Authority
JP
Japan
Prior art keywords
current value
feed motor
positioning
moving body
value
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.)
Granted
Application number
JP7202688U
Other languages
Japanese (ja)
Other versions
JPH0711841Y2 (en
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 filed Critical
Priority to JP1988072026U priority Critical patent/JPH0711841Y2/en
Publication of JPH0248U publication Critical patent/JPH0248U/ja
Application granted granted Critical
Publication of JPH0711841Y2 publication Critical patent/JPH0711841Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Automatic Control Of Machine Tools (AREA)
  • Turning (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は一部ブロツク線図を含む本考案の説明
図、第２図は送りモータの電流値変化を表すグラ
フ線図、第３図は動作説明用フロチヤート図、第
４図はその他の実施例の説明図、第５図、第６図
は従来の技術の説明図である。 １……主軸台、６……サブ主軸台、１２……送
りモータ、２０……電流計、２１……比較回路。 Fig. 1 is an explanatory diagram of the present invention including a partial block diagram, Fig. 2 is a graph diagram showing changes in the current value of the feed motor, Fig. 3 is a flowchart diagram for explaining the operation, and Fig. 4 is an illustration of other implementations. Examples of explanatory diagrams, FIGS. 5 and 6, are explanatory diagrams of conventional techniques. 1... Headstock, 6... Sub-headstock, 12... Feed motor, 20... Ammeter, 21... Comparison circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ＮＣ工作機械において、移動体が固定体に接触
したときの送りモータ１２の増加する電流値を計
測する電流計２０と、予め記憶された設定値と前
記増加する電流値とを比較して電流値が設定値を
越えたとき位置決め停止指令を出力する比較回路
２１とを含んでなり、移動体が固定体に接触した
ことを検知して位置決めすることを特徴とする送
りモータの負荷監視による位置決め装置。 In an NC machine tool, an ammeter 20 measures the increasing current value of the feed motor 12 when a moving body contacts a fixed body, and a current value is determined by comparing the increasing current value with a pre-stored setting value. a comparison circuit 21 which outputs a positioning stop command when exceeds a set value, and the positioning device is characterized by detecting that a moving body has contacted a fixed body and performing positioning by monitoring the load on a feed motor. .
JP1988072026U 1988-05-31 1988-05-31 Positioning control device by monitoring the load of the feed motor Expired - Lifetime JPH0711841Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988072026U JPH0711841Y2 (en) 1988-05-31 1988-05-31 Positioning control device by monitoring the load of the feed motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988072026U JPH0711841Y2 (en) 1988-05-31 1988-05-31 Positioning control device by monitoring the load of the feed motor

Publications (2)

Publication Number Publication Date
JPH0248U true JPH0248U (en) 1990-01-05
JPH0711841Y2 JPH0711841Y2 (en) 1995-03-22

Family

ID=31297204

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988072026U Expired - Lifetime JPH0711841Y2 (en) 1988-05-31 1988-05-31 Positioning control device by monitoring the load of the feed motor

Country Status (1)

Country Link
JP (1) JPH0711841Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014046374A (en) * 2012-08-29 2014-03-17 Nakamura Tome Precision Ind Co Ltd Machine inside carrying method of work in lathe

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6330789B2 (en) * 2015-11-18 2018-05-30 トヨタ自動車株式会社 Position measuring device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6294245A (en) * 1985-10-22 1987-04-30 Fanuc Ltd Device for returning to starting point for numerically controlled machine tool

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6294245A (en) * 1985-10-22 1987-04-30 Fanuc Ltd Device for returning to starting point for numerically controlled machine tool

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014046374A (en) * 2012-08-29 2014-03-17 Nakamura Tome Precision Ind Co Ltd Machine inside carrying method of work in lathe

Also Published As

Publication number Publication date
JPH0711841Y2 (en) 1995-03-22

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