JP2017209770A - ワーク加工方法、主軸角度補正装置及び複合旋盤 - Google Patents
ワーク加工方法、主軸角度補正装置及び複合旋盤 Download PDFInfo
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- B23Q15/20—Automatic control or regulation of feed movement, cutting velocity or position of tool or work before or after the tool acts upon the workpiece
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- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/22—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work
- B23Q17/2233—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work for adjusting the tool relative to the workpiece
- B23Q17/225—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work for adjusting the tool relative to the workpiece of a workpiece relative to the tool-axis
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- B23Q17/22—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work
- B23Q17/2233—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work for adjusting the tool relative to the workpiece
- B23Q17/225—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work for adjusting the tool relative to the workpiece of a workpiece relative to the tool-axis
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- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of program data in numerical form
- G05B19/401—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of program data in numerical form characterised by control arrangements for measuring, e.g. calibration and initialisation, measuring workpiece for machining purposes
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Abstract
【解決手段】ワークwと刃物台に取り付けた検出治具tと当接させてワークwの位置や姿勢を検出する際の当接速度として、第1速度とこれより遅い第2速度とを設定可能にし、第1速度でワークと検出治具を当接させ、当接した検出治具とワークとを所定距離離隔させ、離隔したワークと検出治具を第2速度で同一位置に当接させ、第2の当接時における刃物台の位置や主軸角度に基づいて補正値δを求める。
【選択図】図1
Description
200/60/1000*4=0.013mm
となり、13μ(ミクロン)の精度で当接位置を検出でき、第2速度を100mm/minに設定すれば、6.5μの精度で検出できる。
4 主軸モータ制御装置
5 主軸角度補正装置
6 ローダ
13 主軸モータ
14 刃物台送りモータ
31、33 凹所
A、B 当接位置
c、cx 位置偏差
d 供給完了信号
e 位置決め指令
f 刃物台の移動方向
g 衝突検出信号
h 移動完了信号
i 低速回動指令
J 微速回動指令
k 当接検出信号
m 高精度検出指令
t 検出治具
w ワーク
θ 主軸角度
δ 補正値
Claims (5)
- 旋盤の刃物台の移動ないし主軸の回動により、当該刃物台のタレットに装着した剛性部材である検出治具と主軸に装着したワークとを当接させ、その当接時の前記刃物台の位置ないし主軸の角度に基づいて刃物台の位置ないし主軸の角度を補正してワークを加工する旋盤におけるワーク加工方法において、
前記当接が、刃物台又は主軸を第1速度で駆動してワークと検出治具を当接させる第1の当接動作と、第1の当接動作の後で検出治具とワークとを所定距離離隔させる戻り動作と、離隔した後でワークと検出治具を第1速度より遅い第2速度で同一位置に当接させる第2の当接動作とで行い、第2の当接時における刃物台の位置ないし主軸角度に基づいて補正値を求めて前記補正をすることを特徴とする、ワーク加工方法。 - 前記検出治具が円筒形の検出治具であり、前記ワークが主軸の回動により旋回移動する凸部ないし凹部を備えたワークであり、前記第1及び第2の当接動作が当該検出治具の円筒面と前記凸部ないし凹部の壁面との当接動作であり、前記補正値が、主軸角度の補正値である、請求項1記載のワーク加工方法。
- 前記主軸を一方向に回動してワークと検出治具との当接を検出したときの主軸角度と、当該主軸を反対の方向に回動してワークと検出治具との当接を検出したときの主軸角度とから前記補正値を演算する、請求項2記載のワーク加工方法。
- ワークの検出動作を行うときの検出治具の位置を設定する検出位置設定器と、衝突負荷設定器と、衝突が検出された後のリトライ時の刃物台の退避位置及び主軸の回動角を設定する退避位置設定器及び回動角設定器とを備えた刃物台移動手段と、
第1速度設定器、第2速度設定器及び戻り角設定器を備えた主軸回動手段と、
当接負荷設定器を備えた当接検出手段と、
当接を検出したときの主軸角度に基づいて加工時の主軸角度の補正値を演算する補正値演算手段とを備え、
刃物台移動手段は、ワークの供給完了信号を受けたときにNC装置に刃物台をワーク検出位置に移動させ、
主軸回動手段は、当接検出手段と協働して、NC装置からの移動完了信号を受けたときに第1速度設定器に設定された速度で主軸を回動させ、この回動時に主軸モータ負荷が当接負荷設定器に設定された負荷に達したときに戻り角設定器に設定された角度だけ主軸を戻り回動させたあと第2速度設定器に設定された速度で主軸を回動させ、その後で主軸モータ負荷が当接負荷設定器に設定された負荷に達したときに当接検出信号を出力し、
補正値演算手段は、当接検出信号が出力されたときの主軸角度に基づいて主軸角度の補正値を演算してNC装置の補正値メモリに設定し、
前記刃物台移動手段は、NC装置に指令した刃物台の移動中に刃物台の送りモータ負荷が衝突負荷設定器に設定した負荷に達する毎に、退避位置設定器に設定された位置に刃物台を退避させたあと回動角設定器に設定した角度だけ主軸を回動して検出位置設定器に設定された位置に刃物台を移動させる、旋盤における主軸角度補正装置。 - 請求項4記載の主軸角度補正装置を備えた複合旋盤。
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| US15/602,144 US9939801B2 (en) | 2016-05-27 | 2017-05-23 | Work processing method, spindle angle correction device, and complex lathe |
| CN201710372726.1A CN107433493B (zh) | 2016-05-27 | 2017-05-24 | 工件加工方法、主轴角度校正装置和复合车床 |
| EP17172697.9A EP3248731B1 (en) | 2016-05-27 | 2017-05-24 | Work processing method, spindle angle correction device, and complex lathe |
| TW106117383A TW201741053A (zh) | 2016-05-27 | 2017-05-25 | 工件加工方法、主軸角度校正裝置和複合車床 |
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| JP2024521676A (ja) * | 2021-05-31 | 2024-06-04 | プティピエール ソシエテ アノニム | マイクロメカニカル部品を機械加工するための工作機械、及び前記工作機械によって実施される機械加工方法 |
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- 2017-05-23 US US15/602,144 patent/US9939801B2/en not_active Expired - Fee Related
- 2017-05-24 CN CN201710372726.1A patent/CN107433493B/zh active Active
- 2017-05-24 EP EP17172697.9A patent/EP3248731B1/en active Active
- 2017-05-25 TW TW106117383A patent/TW201741053A/zh unknown
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| JPH08112754A (ja) * | 1994-10-13 | 1996-05-07 | Shin Meiwa Ind Co Ltd | 自動研削装置における研削基準面検出装置 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2024521676A (ja) * | 2021-05-31 | 2024-06-04 | プティピエール ソシエテ アノニム | マイクロメカニカル部品を機械加工するための工作機械、及び前記工作機械によって実施される機械加工方法 |
| TWI790830B (zh) * | 2021-11-24 | 2023-01-21 | 台中精機廠股份有限公司 | 自動化拆裝系統 |
Also Published As
| Publication number | Publication date |
|---|---|
| US9939801B2 (en) | 2018-04-10 |
| TW201741053A (zh) | 2017-12-01 |
| JP6881725B2 (ja) | 2021-06-02 |
| CN107433493B (zh) | 2021-07-27 |
| EP3248731B1 (en) | 2021-04-07 |
| US20170343978A1 (en) | 2017-11-30 |
| EP3248731A1 (en) | 2017-11-29 |
| CN107433493A (zh) | 2017-12-05 |
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