JPH01193145A - Machine tool - Google Patents
Machine toolInfo
- Publication number
- JPH01193145A JPH01193145A JP1360788A JP1360788A JPH01193145A JP H01193145 A JPH01193145 A JP H01193145A JP 1360788 A JP1360788 A JP 1360788A JP 1360788 A JP1360788 A JP 1360788A JP H01193145 A JPH01193145 A JP H01193145A
- Authority
- JP
- Japan
- Prior art keywords
- cooling
- machine tool
- source
- heating
- workshop
- 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
Links
- 238000001816 cooling Methods 0.000 claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 238000006073 displacement reaction Methods 0.000 claims abstract description 10
- 238000003754 machining Methods 0.000 abstract description 4
- 239000002826 coolant Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/12—Arrangements for cooling or lubricating parts of the machine
- B23Q11/126—Arrangements for cooling or lubricating parts of the machine for cooling only
- B23Q11/127—Arrangements for cooling or lubricating parts of the machine for cooling only for cooling motors or spindles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0003—Arrangements for preventing undesired thermal effects on tools or parts of the machine
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Control Of Machine Tools (AREA)
- Machine Tool Units (AREA)
Abstract
Description
【発明の詳細な説明】 の この発明は工作機械に関するものである。[Detailed description of the invention] of This invention relates to machine tools.
」Ｌへ１Ｌ
工作機械は、ワークショップにおける周囲の温度により
熱変位を生ずることがある。この熱変位が生ずると、工
作機械の加工精度に影響を与えることになる。”L to 1L Machine tools may experience thermal displacement due to the ambient temperature in the workshop. If this thermal displacement occurs, it will affect the machining accuracy of the machine tool.
が °しようと゛る
そこでこの熱変位を補正して正確な加工を施すことがで
きる工作機械の出現が望まれていた。Therefore, there was a desire for a machine tool that could compensate for this thermal displacement and perform accurate machining.
ユ」し１１」ｉ
この発明は熱変位を抑え加工精度を高めることができる
工作機械を提供することを目的としている。The object of the present invention is to provide a machine tool that can suppress thermal displacement and improve machining accuracy.
一１里１］ｕＥ この発明は特許請求の範囲を要旨としている。11 Ri 1] uE The invention is summarized in the claims.
するだ の 第１図を参照する。Surudano Please refer to FIG.
工作機械のたとえば主軸頭やコラム等には冷却手段およ
び加熱手段が配置されている。Cooling means and heating means are arranged in, for example, the spindle head or column of a machine tool.
ワークショップにおける周囲温度の変化によって工作機
械の一部分に変位が生じても、冷却手段と、加熱手段を
必要に応じて作動させることによってその変位を補正す
る。Even if a portion of the machine tool is displaced due to a change in ambient temperature in the workshop, the displacement is corrected by operating the cooling means and heating means as necessary.
１１九 第１図を参照する。119 Please refer to FIG.
工作機械はベツド１、テーブル２、コラム３、主軸頭４
を有している。テーブル２はベツド１に設定されており
Ｘ軸方向にモータ５の駆動力により移動できる。The machine tool has bed 1, table 2, column 3, and spindle head 4.
have. The table 2 is set on the bed 1 and can be moved in the X-axis direction by the driving force of the motor 5.
コラム３はモータ６の駆動によりＹｌあるいはＹ２の方
向に移動できる。The column 3 can be moved in the Yl or Y2 direction by driving the motor 6.
主軸頭４はコラム３の上下方向に沿ってモータ７の駆動
により矢印ｚ１あるいはＺ２の方向に昇降できる。The spindle head 4 can be moved up and down along the vertical direction of the column 3 in the direction of arrow z1 or Z2 by driving the motor 7.
主軸頭４はツールホルダ１０とモータ１１を備えている
。モータ１１はツールホルダ１０を回転させるためのも
のである。The spindle head 4 includes a tool holder 10 and a motor 11. The motor 11 is for rotating the tool holder 10.
ベツド１、コラム３、主軸頭４には加熱手段１５と冷却
手段１６が配置されている。A heating means 15 and a cooling means 16 are arranged in the bed 1, column 3, and spindle head 4.
第２図に示すように各加熱手段１５は加熱源１７に接続
されている。加熱手段１５としては、電気ヒータを用い
ることができる。As shown in FIG. 2, each heating means 15 is connected to a heating source 17. As the heating means 15, an electric heater can be used.
一方冷却手段１６は冷却源１８につながっている。冷却
手段１６は例えばバイブに冷却媒体であるガスを通すよ
うになっている。このガスは冷却源１８から供給される
。第１図に示した工作機械は、第２図の制御部２０およ
び温度センサ２１を有している。温度センサ２１がワー
クショップの室温を測定すると、その温度は制御部２０
に送られる。制御部２０は、ワークショップの室内の周
囲温度変化に合わせて加熱源１７と冷却源１８のコント
ロールを行なうものである。On the other hand, the cooling means 16 is connected to a cooling source 18 . The cooling means 16 is configured to pass gas, which is a cooling medium, through the vibrator, for example. This gas is supplied from a cooling source 18. The machine tool shown in FIG. 1 has a control section 20 and a temperature sensor 21 shown in FIG. When the temperature sensor 21 measures the room temperature of the workshop, the temperature is controlled by the control unit 20.
sent to. The control unit 20 controls the heating source 17 and the cooling source 18 in accordance with changes in the ambient temperature inside the workshop.
制御部２０は、予め周囲温度が何度の場合には工作機械
のどの部分が熱変位を起こしてどの部分がどれだけ伸び
るかあるいはどの部分がどれだけ縮むかを記憶している
。ワークショップの周囲温度が変化すると、制御部２０
は加熱源１７あるいは冷却源１８を作動して、熱変位の
生じている部分に対応する加熱手段１５あるいは冷却手
段１５で加熱あるいは冷却を行なうのである。すなわち
周囲温度が高くて伸びた場合は、その伸びた部分を冷却
して所定寸法まで縮める。周囲温度が低いために縮んだ
場合は縮んだ部分を加熱して所定寸法に伸ばす。The control unit 20 stores in advance, at what ambient temperature, which part of the machine tool will undergo thermal displacement and how much it will expand or how much it will contract. When the ambient temperature of the workshop changes, the control unit 20
The heating source 17 or the cooling source 18 is operated to heat or cool the portion where the thermal displacement is occurring by the heating means 15 or the cooling means 15 corresponding to the portion. In other words, if the ambient temperature is high and it expands, the expanded portion is cooled and reduced to a predetermined size. If it shrinks due to low ambient temperature, heat the shrunk part to stretch it to the specified size.
ところでこの発明は上述の実施例に限定されるものでは
ない。例えば加熱手段１５としては電気式のヒータを用
いる他に、工作機械に使われているモータの排熱を導く
ものを用いてもよい。また冷却手段１６はバイブに冷却
油を通すようにしてもよい。However, the present invention is not limited to the above-described embodiments. For example, as the heating means 15, in addition to using an electric heater, it is also possible to use one that leads exhaust heat from a motor used in a machine tool. Further, the cooling means 16 may be configured such that cooling oil is passed through the vibrator.
１１立１１
工作機械に熱変位が生じてもその補正を行なうことがで
きる。このため加工精度を向上することができる。11 Standing 11 Even if thermal displacement occurs in the machine tool, it can be corrected. Therefore, processing accuracy can be improved.
第１図はこの発明の工作機械の実施例を示す側面図、第
２図は加熱、冷却装置を示す図である。
１５・・・加熱手段
１６・・・冷却手段
りパ−′、
第１図
第２因FIG. 1 is a side view showing an embodiment of a machine tool of the present invention, and FIG. 2 is a diagram showing a heating and cooling device. 15...Heating means 16...Cooling means Ripper', Figure 1, 2nd factor
Claims (1)
加熱手段が配置されている工作機械。A machine tool in which cooling and heating means are arranged to compensate for displacements due to changes in ambient temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63013607A JPH0735008B2 (en) | 1988-01-26 | 1988-01-26 | Method for correcting thermal deformation of machine tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63013607A JPH0735008B2 (en) | 1988-01-26 | 1988-01-26 | Method for correcting thermal deformation of machine tools |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01193145A true JPH01193145A (en) | 1989-08-03 |
| JPH0735008B2 JPH0735008B2 (en) | 1995-04-19 |
Family
ID=11837918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63013607A Expired - Lifetime JPH0735008B2 (en) | 1988-01-26 | 1988-01-26 | Method for correcting thermal deformation of machine tools |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0735008B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06114677A (en) * | 1992-10-02 | 1994-04-26 | Takamatsu Kikai Kogyo Kk | Thermal deformation suppressing method for machine tool |
| JP2016016497A (en) * | 2014-07-10 | 2016-02-01 | 株式会社ジェイテクト | Machine tool and control method thereof |
| CN108772748A (en) * | 2018-04-19 | 2018-11-09 | 广州市昊志机电股份有限公司 | A kind of electro spindle cooling device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6225140U (en) * | 1985-07-29 | 1987-02-16 |
-
1988
- 1988-01-26 JP JP63013607A patent/JPH0735008B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6225140U (en) * | 1985-07-29 | 1987-02-16 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06114677A (en) * | 1992-10-02 | 1994-04-26 | Takamatsu Kikai Kogyo Kk | Thermal deformation suppressing method for machine tool |
| JP2016016497A (en) * | 2014-07-10 | 2016-02-01 | 株式会社ジェイテクト | Machine tool and control method thereof |
| CN108772748A (en) * | 2018-04-19 | 2018-11-09 | 广州市昊志机电股份有限公司 | A kind of electro spindle cooling device |
| CN108772748B (en) * | 2018-04-19 | 2020-11-06 | 广州市昊志机电股份有限公司 | Electric spindle cooling device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0735008B2 (en) | 1995-04-19 |
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