JPH01121102A - Mobile headstock type automatic lathe - Google Patents

Mobile headstock type automatic lathe

Info

Publication number
JPH01121102A
JPH01121102A JP27930187A JP27930187A JPH01121102A JP H01121102 A JPH01121102 A JP H01121102A JP 27930187 A JP27930187 A JP 27930187A JP 27930187 A JP27930187 A JP 27930187A JP H01121102 A JPH01121102 A JP H01121102A
Authority
JP
Japan
Prior art keywords
axis
command
motor
headstock
servo amplifier
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.)
Pending
Application number
JP27930187A
Other languages
Japanese (ja)
Inventor
Katsumi Takagi
克己 高木
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.)
Tsugami Corp
Original Assignee
Tsugami Corp
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 Tsugami Corp filed Critical Tsugami Corp
Priority to JP27930187A priority Critical patent/JPH01121102A/en
Publication of JPH01121102A publication Critical patent/JPH01121102A/en
Pending legal-status Critical Current

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Abstract

PURPOSE:To facilitate program control for a B-axis motor by providing a command circuit for each Z-axis and B-axis motor, a Z-axis servo amplifier for accepting a Z-axis command, an addition circuit of each Z-axis and B-axis commands, and a B-axis servo amplifier for accepting an output of the addition circuit on a control device. CONSTITUTION:A headstock 3 and an opposed tool post 12 are driven by respectively independent Z-axis motor 7 and B-axis motor 16, while a Z-axis servo amplifier 22 and a B-axis servo amplifier 24 are respectively connected to each motor 7, 16 and, further a Z-axis command (a) is inputted to the Z-axis servo amplifier 22, and the Z-axis command (a) and a B-axis command (b) are added by an addition circuit 23 and inputted to the B-axis servo amplifier 24. Therefore, under a condition of no B-axis command (b), the Z-axis motor 7 and B-axis motor 16 rotate in synchronism with each other, so that the headstock 3 and the opposed tool post 12 move as if they are on a common moving bed. And when B-axis command (b) is given, the opposed tool post 12 moves on the common moving bed in accordance with the B-axis command (b), thus the program control can be made easily.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、主軸台移動型自動旋盤に関し、特に主軸台に
対向した位置に主軸軸線方向に移動可能な工具台を備え
た自動旋盤に関する。
DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an automatic lathe with a movable headstock, and more particularly to an automatic lathe equipped with a tool rest that is movable in the direction of the axis of the main spindle and is located opposite the headstock.

〔従来の技術〕[Conventional technology]

最近、自動旋盤における加工の種類を増すために。 Recently, in order to increase the types of processing on automatic lathes.

複数の工具台を備えた主軸台移動型自動旋盤が開発され
ており1例えば、主軸台に保持されたワークに対して、
その側方に位置し主軸軸線に直角な方向に移動可能な工
具台(以下側方工具台という)と、ワークに対向する位
置に主軸軸線方向に移動可能な工具台(以下対向工具台
という)とを備えた複合加工自動旋盤が知られている。
An automatic lathe with a moving headstock equipped with multiple tool stands has been developed.1 For example, for a workpiece held in the headstock,
A tool stand located on the side and movable in the direction perpendicular to the spindle axis (hereinafter referred to as the "side tool stand"), and a tool stand located facing the workpiece and movable in the direction of the spindle axis (hereinafter referred to as the opposing tool stand) A multi-tasking automatic lathe equipped with the following is known.

この形式の従来の自動旋盤において、主軸台及び対向工
具台を、それぞれ主軸軸線方向に移動させるために別個
のモータ、即ちZ軸モータとB軸モータとが設けられて
おり、且つ各モータを制御するためNCw御装置が設け
られている。NC制御装置は。
In this type of conventional automatic lathe, separate motors, namely a Z-axis motor and a B-axis motor, are provided to move the headstock and the opposing tool rest in the direction of the spindle axis, and each motor is controlled. An NCw control device is provided for this purpose. NC control device.

Z軸モータ及びB軸モータをそれぞれの指令値に応じて
駆動するサーボアンプを備えている。
It is equipped with a servo amplifier that drives the Z-axis motor and the B-axis motor according to respective command values.

上記構成の自動旋盤によれば、ワークを主軸台によって
Z軸方向に移動しながら側方工具台に取付けた工具によ
って加工する加工方法、主軸台を停止させておき、対向
工具台をワークに対してB軸方向に移動させながら行う
加工方法、及びワークを主軸台によってX軸方向に移動
しながら、側方工具台の工具及び対向工具台の工具によ
って同時に加工する同時加工方法等を実施することがで
きる。
According to the automatic lathe having the above configuration, there is a machining method in which the workpiece is moved in the Z-axis direction by the headstock while being machined by a tool attached to a side tool rest, and a method in which the headstock is stopped and the opposing tool rest is moved against the workpiece. A machining method in which the workpiece is moved in the B-axis direction by the headstock, and a simultaneous machining method in which the workpiece is simultaneously machined by the tool on the side tool rest and the tool on the opposing tool rest while moving in the X-axis direction by the headstock. Can be done.

〔発明が解決しようとする問題点〕[Problem that the invention seeks to solve]

しかしながら、従来の自動旋盤において、同一のワーク
に対して側方工具台の工具と対向工具台の工具とによっ
て同時に加工を行う場合、B軸モータに対するプログラ
ムが困難であるという問題があった。即ち。
However, in conventional automatic lathes, when machining the same workpiece simultaneously with a tool on a side tool rest and a tool on an opposing tool rest, there has been a problem in that it is difficult to program the B-axis motor. That is.

同時加工を行う場合、ワークは、側方工具台の工具によ
る所定の加工を行うためにZ軸モータによって軸線方向
に移動しており、従って、対向工具台の工具によってワ
ークに所望の加工を行うには、ワークの送りを考慮して
対向工具台が移動しなければならず、このため、B軸モ
ータには、Z軸モータによる主軸台の移動(位置及び速
度)を考慮した位置、速度を計算し。
When performing simultaneous machining, the workpiece is moved in the axial direction by the Z-axis motor in order to perform a predetermined machining with the tool on the side tool rest, and therefore the desired machining is performed on the workpiece with the tool on the opposing tool rest. In order to do this, the opposing tool rest must move in consideration of the feed of the workpiece. Therefore, the B-axis motor has a position and speed that takes into account the movement (position and speed) of the headstock by the Z-axis motor. Calculate.

プログラムする必要があり、このプログラムが困難であ
った0 本発明は、このような従来技術の問題を解決せんとする
もので、B軸モータへのプログラムを容易になし得る主
軸移動型自動旋盤を提供することを目的とする。
The present invention aims to solve the problems of the prior art, and provides a main-spindle moving type automatic lathe that can easily program the B-axis motor. The purpose is to provide.

〔問題点を解決するための手段〕[Means for solving problems]

上記目的を達成すべく為された本発明は、ワーク保持用
の主軸を備えた主軸台と、該主軸台を主軸軸線方向に移
動させるZ軸モータと、前記主軸台に対向して配置され
た対向工具台と、該対向工具台を前記主軸の軸線方向に
移動させるB軸モータと、前記Z軸モータ及びB軸モー
タに対する制御装置とを備え、該制御装置が、入力情報
に応じてZ軸モータに対するZ軸指令及びB軸モータに
対するB軸指令を出力する指令回路と、2軸指令を入力
し、その入力値に応じてZ軸モータを駆動するZ軸サー
ボアンプと、前記Z軸指令及びB軸指令を加算する加算
回路と、該加算回路からの出力を入力し、その入力値に
応じてB軸モータを駆動するB軸サーボアンプとを有す
ることを特徴とする主軸台移動型自動旋盤を要旨とする
The present invention, which has been made to achieve the above objects, includes a headstock having a workpiece holding spindle, a Z-axis motor for moving the headstock in the direction of the spindle axis, and a Z-axis motor disposed opposite to the headstock. An opposing tool rest, a B-axis motor that moves the opposing tool rest in the axial direction of the spindle, and a control device for the Z-axis motor and the B-axis motor, the control device controlling the Z-axis direction according to input information. a command circuit that outputs a Z-axis command to the motor and a B-axis command to the B-axis motor; a Z-axis servo amplifier that inputs the two-axis command and drives the Z-axis motor according to the input value; A moving headstock automatic lathe comprising: an adder circuit that adds B-axis commands; and a B-axis servo amplifier that inputs the output from the adder circuit and drives a B-axis motor according to the input value. The gist is:

〔実施例〕〔Example〕

以下9図面に示す本発明の実施例を参照して本発明の詳
細な説明する。
The present invention will be described in detail below with reference to embodiments of the present invention shown in nine drawings.

第1図は本発明の一実施例になる主軸台移動型自動旋盤
の概略斜視図、第2図はその要部及び制御回路を概略的
に示す構成図であり、1は加工すべきワーク。
FIG. 1 is a schematic perspective view of a headstock movable automatic lathe according to an embodiment of the present invention, and FIG. 2 is a configuration diagram schematically showing its main parts and control circuit. 1 is a workpiece to be machined.

2はそのワーク1を保持して回転する主軸、3は主軸2
を保持し、矢印2で示す主軸軸線方向即ちX軸方向に移
動可能な主軸台、4はワークの外周旋削等のために主軸
2を回転駆動する駆動モータ、5は主軸2を割り出すた
めの割り出しモータ、6は主軸台3をX軸方向に移動さ
せるためのねじ軸、7はねじ軸6を回転駆動するZ軸モ
ータ、8はワーク2の先端近傍を案内するガイドブツシ
ュ、9は主軸の側方に配置され、矢印Xで示すX軸方向
に移動可能な側方工具台、10ばその側方工具台9に保
持された工具保持用ターレット。
2 is the main shaft that holds and rotates the workpiece 1, 3 is the main shaft 2
4 is a drive motor that rotationally drives the main spindle 2 for turning the outer circumference of the workpiece, etc., and 5 is an indexer for indexing the main spindle 2. 6 is a screw shaft for moving the headstock 3 in the X-axis direction; 7 is a Z-axis motor for rotationally driving the screw shaft 6; 8 is a guide bushing for guiding the vicinity of the tip of the workpiece 2; 9 is a screw shaft for the main shaft; A side tool stand arranged on the side and movable in the X-axis direction shown by arrow X, a tool holding turret held on the side tool stand 9 of 10.

11はこのターレット10に保持された工具、12は主
軸台3に対向して配置され、矢印Bで示す示す主軸軸線
方向即ちB軸方向に移動可能な対向工具台、13゜14
はその対向工具台12に保持された工具及び副軸。
Reference numeral 11 denotes a tool held by this turret 10, 12 an opposed tool stand arranged opposite to the headstock 3 and movable in the direction of the spindle axis shown by arrow B, that is, in the direction of the B axis, 13° 14
indicates the tool and countershaft held on the opposing tool stand 12.

15は対向工具台12をB軸方向に移動させるためのね
じ軸、16はねじ軸重5を回転駆動するB軸モータ。
15 is a screw shaft for moving the opposing tool stand 12 in the B-axis direction; 16 is a B-axis motor for rotationally driving the screw shaft load 5;

20はZ軸子−タ7及びB軸モータ16に対する制御装
置である。
20 is a control device for the Z-axis motor 7 and the B-axis motor 16.

制御装置20は、NCテープによる入力情報に応じてZ
軸モータに対するZ軸指令a及びB軸モータに対するB
軸指令すを出力する指令回路21と、Z軸指令aを入力
し、その入力値に応じてZ軸モータを駆動するZ軸サー
ボアンプ22と、Z軸指令a及びB軸指令すを加算する
加算回路23と、加算回路23からの出力Cを入力し、
その入力値に応じてB軸モータを駆動するB軸サーボア
ンプ24と、加算回路23へのZ軸指令aの入力を選択
的に遮断するスイッチ25等を備えている。更に、Z軸
子−タ7及びB軸モータ16には、それぞれエンコーダ
27.28が設けられ、その出力がそれぞれZ軸サーボ
アンプ22及びB軸サーボアンプ24にフィードバンク
されている。
The control device 20 controls Z according to input information from the NC tape.
Z-axis command a for the axis motor and B for the B-axis motor
A command circuit 21 that outputs an axis command a, a Z-axis servo amplifier 22 that inputs a Z-axis command a and drives a Z-axis motor according to the input value, and adds the Z-axis command a and the B-axis command Input the adder circuit 23 and the output C from the adder circuit 23,
It includes a B-axis servo amplifier 24 that drives the B-axis motor according to the input value, a switch 25 that selectively blocks input of the Z-axis command a to the adder circuit 23, and the like. Furthermore, the Z-axis motor 7 and the B-axis motor 16 are each provided with encoders 27 and 28, the outputs of which are feedbanked to the Z-axis servo amplifier 22 and the B-axis servo amplifier 24, respectively.

次に上記構成の自動旋盤による加工動作を説明する。Next, a machining operation by the automatic lathe having the above configuration will be explained.

側方工具台9の工具11のみを使用したワーク外周加工
を行う場合は、NCテープにより、Z軸移動量とZ軸道
り速度を入力する。この入力に応じて指令回路21が単
位時間当りのZ軸道り量をZ軸指令aとして経時的に出
力し、Z軸サーボアンプ22がそのZ軸指令aに応じて
Z軸子−タ7を回転させ、主軸台3をZ軸方向に移動さ
せる。これによってワーク1がZ軸方向に送られ、工具
11によって加工される。なお、この時、スイッチ25
はオフ状態となっており、B軸サーボアンプ22には信
号が入らず、従ってB軸モータ16は停止している。
When machining the outer circumference of a workpiece using only the tool 11 on the side tool stand 9, the Z-axis movement amount and Z-axis travel speed are input using an NC tape. In response to this input, the command circuit 21 outputs the Z-axis travel amount per unit time as the Z-axis command a over time, and the Z-axis servo amplifier 22 outputs the Z-axis travel amount per unit time as the Z-axis command a, and the Z-axis servo amplifier 22 outputs the Z-axis travel amount per unit time as the Z-axis command a. to move the headstock 3 in the Z-axis direction. As a result, the workpiece 1 is sent in the Z-axis direction and processed by the tool 11. In addition, at this time, switch 25
is in an off state, no signal is input to the B-axis servo amplifier 22, and therefore the B-axis motor 16 is stopped.

次に、対向工具台12の工具13のみを用いてワーク加
工を行う場合には、NCテープにより、B軸移動量とB
輸送り速度を入力する。この入力に応じて指令回路21
が単位時間当りのB輸送り量をB軸指令すとして経時的
に出力し、その信号すが加算回路23を経てB軸サーボ
アンプ24に送られ、B軸サーボアンプ24がそのB軸
指令すに応じてB軸モータ16を回転させ5対向工具台
12をB軸方向に移動させる。これによって工具13が
B軸方向に送られ、定位置に静止している主軸台3に保
持されたワーク1に所定の加工を行う。
Next, when machining a workpiece using only the tool 13 on the opposing tool stand 12, the B-axis movement amount and the
Enter the transport speed. In response to this input, the command circuit 21
outputs the B-axis transport amount per unit time as a B-axis command, and the signal is sent to the B-axis servo amplifier 24 via the adder circuit 23, and the B-axis servo amplifier 24 outputs the B-axis command as the B-axis command. Accordingly, the B-axis motor 16 is rotated to move the five opposed tool stands 12 in the B-axis direction. As a result, the tool 13 is sent in the B-axis direction and performs a predetermined machining on the workpiece 1 held on the headstock 3 which is stationary at a fixed position.

次に、側方工具台9の工具11及び対向工具台12の工
具13を同時に用いてワーク1に加工を行う場合を説明
する。このような同時加工の例は、第3図に示すように
、ワーク1に対して工具11Aによる外径切削と工具1
3Aとによる端面の穴明けを同時に行う場合、第4図に
示すようにワーク1に対して工具11Bによる外径ねし
加工と工具13Bによる内径切削とを同時に行う場合、
第5図に示すようにワーク1に対して工具11Cによる
外径荒切削と工具13Cによる外径仕上げ切削とを同時
に行う場合等である。
Next, a case will be described in which the workpiece 1 is machined using the tool 11 on the side tool stand 9 and the tool 13 on the opposing tool stand 12 at the same time. An example of such simultaneous machining is as shown in FIG.
3A, when simultaneously performing the outer diameter drilling process using the tool 11B and the internal diameter cutting using the tool 13B on the workpiece 1 as shown in FIG.
As shown in FIG. 5, there is a case where rough cutting of the outer diameter of the workpiece 1 by the tool 11C and finishing cutting of the outer diameter of the workpiece 1 by the tool 13C are performed simultaneously.

このような同時加工の場合には、側方工具台9の工具1
1によって所望の加工を行うよう、この工具11に対す
るワークの移動を与えるためのZ軸移動量とZ輸送り速
度をNCテープにより入力し、且つ同時に。
In the case of such simultaneous machining, the tool 1 on the side tool stand 9
1, input the Z-axis movement amount and Z-transport speed for moving the workpiece relative to the tool 11 using the NC tape, and at the same time.

主軸台3を固定した状態で対向工具台12の工具13に
よって所望の加工を行うよう、この対向工具台12を移
動させるためのB軸移動量とB輸送り速度をNCテープ
により入力する。スイッチ25をオン状態として同期運
転モードとする。NCテープからの入力に応じて指令回
路21が単位時間当りのZ輸送り量をZ軸指令aとして
経時的に出力し、Z軸サーボアンプ22がそのZ軸指令
aに応じてZ軸子−タ7を回転させ。
In order to perform desired machining with the tool 13 of the opposing tool holder 12 while the headstock 3 is fixed, the B-axis movement amount and B transport speed for moving the opposing tool holder 12 are input using an NC tape. The switch 25 is turned on to enter the synchronous operation mode. In response to input from the NC tape, the command circuit 21 outputs the Z transport amount per unit time as a Z-axis command a over time, and the Z-axis servo amplifier 22 outputs the Z-axis transport amount per unit time as a Z-axis command a. Rotate Ta 7.

主軸台3をZ軸方向に移動させる。これによってワーク
1がZ軸方向に送られ、工具11によって加工される。
Move the headstock 3 in the Z-axis direction. As a result, the workpiece 1 is sent in the Z-axis direction and processed by the tool 11.

この動作に並行して、Z軸指令aはZ軸サーボアンプ2
2に供給されるのみならず、加算回路23を介してB軸
サーボアンプ24にも入力している。従って。
In parallel with this operation, Z-axis command a is sent to Z-axis servo amplifier 2.
2, but also input to the B-axis servo amplifier 24 via the adder circuit 23. Therefore.

B軸指令すが全く無い状態では、B軸モータ16も同じ
Z軸指令aに応じて回転することとなり、主軸台3及び
対向工具台12が同じ速度で同じ距離を移動する。
When there is no B-axis command, the B-axis motor 16 also rotates in response to the same Z-axis command a, and the headstock 3 and opposing tool rest 12 move at the same speed and the same distance.

換言すれば、対向工具台12は、主軸台3と同じ移動ベ
ツド上に乗って一緒に移動するように動作する。この時
、実際には指令回路21がNCテープからの入力に応じ
て単位時間当りのB輸送り量をB軸指令すとして加算回
路23に出力しているので、加算回路23はB軸指令す
と2軸指令aとを加算してB軸サーボアンプ24に出力
し、B軸サーボアンプ24はB軸モータ16をZ軸指令
aとB軸指令すとの和に応じて移動させ、対向工具台1
2をB軸方向に移動させる。従って。
In other words, the counter tool rest 12 operates so as to ride on the same moving bed as the headstock 3 and move together. At this time, the command circuit 21 actually outputs the B-axis transport amount per unit time as a B-axis command in response to the input from the NC tape, so the adder circuit 23 outputs the B-axis command as a B-axis command. and the two-axis command a are added and output to the B-axis servo amplifier 24, and the B-axis servo amplifier 24 moves the B-axis motor 16 according to the sum of the Z-axis command a and the B-axis command, and 1 unit
2 in the B-axis direction. Therefore.

Z軸指令aに応じて移動している主軸台3と、Z軸指令
aとB軸指令すとの和に応じて移動している対向工具台
12との相対的な位置及び速度はB軸指令すのみによっ
て定まることとなり、ワーク1に対して工具13が所定
の加工を行う。
The relative position and speed of the headstock 3, which is moving according to the Z-axis command a, and the opposing tool rest 12, which is moving according to the sum of the Z-axis command a and the B-axis command, is the B-axis. It is determined only by the command, and the tool 13 performs a predetermined machining on the workpiece 1.

このようにして、ワーク1に対して工具11と工具13
による同時加工が行われる。また、この際、Z軸とB軸
を同期運転モードとすることにより、B軸の移動に関す
るプログラムは、Z軸(即ち主軸台)を静止させた状態
でプログラムすればよく、Z軸の移動を何等考慮する必
要がなくなるので、プログラムが極めて容易となる。
In this way, tool 11 and tool 13 are attached to workpiece 1.
Simultaneous processing is performed by In addition, at this time, by setting the Z-axis and B-axis in synchronous operation mode, the program related to the movement of the B-axis can be programmed with the Z-axis (i.e., the headstock) stationary; Since there is no need to consider anything, programming becomes extremely easy.

〔発明の効果〕〔Effect of the invention〕

以上に説明したように2本発明の主軸台移動型自動旋盤
においては、主軸台と対向工具台とをそれぞれ独立した
Z軸モータ、B軸モータで駆動するように構成すると共
に、各モータにそれぞれZ軸サーボアンプ。
As explained above, in the headstock movable automatic lathe of the present invention, the headstock and the opposing tool rest are configured to be driven by independent Z-axis motors and B-axis motors, respectively, and each motor has a Z-axis servo amplifier.

B軸サーボアンプを接続し、更に、Z軸サーボアンプに
はZ軸指令を入力し、B軸サーボアンプにはZ軸指令と
B軸指令とを加算して入力することができるように構成
したので、B軸指令の無い状態では、Z軸モータとB軸
モータとが同期して回転し、主軸台と対向工具台とがあ
たかも共通の移動ベツド上に乗っているように移動し、
B軸指令を与えると、この共通の移動ヘッド上において
対向工具台がB軸指令に応じて移動するような挙動をす
る。このため、Z軸方向に静止して設けられる工具と、
対向工具台の工具とによる同時加工を行う際において、
ワークを保持した主軸台が移動しても、主軸台が静止し
ているとしてプログラムしたB軸指令を与えることによ
り、干渉を生じることなく、対向工具台をワークに対し
て移動させ、所定の加工を行うことができ、プログラム
がきわめて容易となるという効果が得られる。
The B-axis servo amplifier is connected, and the Z-axis command can be input to the Z-axis servo amplifier, and the Z-axis command and B-axis command can be added and input to the B-axis servo amplifier. Therefore, when there is no B-axis command, the Z-axis motor and B-axis motor rotate synchronously, and the headstock and opposing tool rest move as if they were on a common moving bed.
When a B-axis command is given, the opposing tool rest behaves on this common moving head so as to move in accordance with the B-axis command. For this reason, a tool installed stationary in the Z-axis direction,
When performing simultaneous machining with tools on the opposing tool stand,
Even if the headstock holding the workpiece moves, by giving the B-axis command programmed assuming that the headstock is stationary, the opposing tool rest can be moved relative to the workpiece without causing interference and the specified machining can be carried out. This has the effect of making programming extremely easy.

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

第1図は本発明の一実施例になる主軸台移動型自動旋盤
の概略斜視図、第2図はその要部及び制御装置を概略的
に示す構成図、第3図、第4図、第5図はそれぞれ、上
記自動旋盤において実施する同時加工の例を示す断面図
又は側面図である。 1・−ワーク、2−主軸、3−主軸台、6・−ねし軸。 7−Z軸モータ、8−ガイドブツシュ、9−側方工具台
、11−工具、12一対向工具台、13・−工具、15
−ねじ軸、16−B軸モータ、2(1−制御装置、21
−指令回路、22− Z軸ナーポアンブ、23−・加算
回路、24・−B軸サーボアンプ、25− スイッチ、
27.28−エンコーダー。 代理人 弁理士 乗 松 恭 三 第2図
Fig. 1 is a schematic perspective view of a moving headstock automatic lathe according to an embodiment of the present invention, Fig. 2 is a configuration diagram schematically showing its main parts and control device, Figs. FIG. 5 is a cross-sectional view or a side view, respectively, showing an example of simultaneous machining performed in the automatic lathe. 1.-workpiece, 2.-spindle, 3.-headstock, 6.-spill shaft. 7-Z-axis motor, 8-guide bush, 9-side tool stand, 11-tool, 12-opposing tool stand, 13--tool, 15
- Screw shaft, 16 - B-axis motor, 2 (1- Control device, 21
- Command circuit, 22- Z-axis napo amplifier, 23- Addition circuit, 24- B-axis servo amplifier, 25- Switch,
27.28-Encoder. Agent: Patent Attorney: Kyo Matsu, Figure 2

Claims (1)

【特許請求の範囲】[Claims] ワーク保持用の主軸を備えた主軸台と、該主軸台を主軸
軸線方向に移動させるZ軸モータと、前記主軸台に対向
して配置された対向工具台と、該対向工具台を前記主軸
の軸線方向に移動させるB軸モータと、前記Z軸モータ
及びB軸モータに対する制御装置とを備え、該制御装置
が、入力情報に応じてZ軸モータに対するZ軸指令及び
B軸モータに対するB軸指令を出力する指令回路と、2
軸指令を入力し、その入力値に応じてZ軸モータを駆動
するZ軸サーボアンプと、前記Z軸指令及びB軸指令を
加算する加算回路と、該加算回路からの出力を入力し、
その入力値に応じてB軸モータを駆動するB軸サーボア
ンプとを有することを特徴とする主軸台移動型自動旋盤
A headstock equipped with a workpiece holding spindle, a Z-axis motor that moves the headstock in the direction of the spindle axis, an opposing tool rest disposed opposite to the spindle, and a tool rest that moves the opposing tool rest to the main spindle. It includes a B-axis motor that moves in the axial direction, and a control device for the Z-axis motor and the B-axis motor, and the control device issues a Z-axis command to the Z-axis motor and a B-axis command to the B-axis motor according to input information. a command circuit that outputs 2
a Z-axis servo amplifier that inputs an axis command and drives a Z-axis motor according to the input value; an adder circuit that adds the Z-axis command and B-axis command; and an output from the adder circuit;
A moving headstock automatic lathe comprising a B-axis servo amplifier that drives a B-axis motor according to the input value.
JP27930187A 1987-11-06 1987-11-06 Mobile headstock type automatic lathe Pending JPH01121102A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP27930187A JPH01121102A (en) 1987-11-06 1987-11-06 Mobile headstock type automatic lathe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP27930187A JPH01121102A (en) 1987-11-06 1987-11-06 Mobile headstock type automatic lathe

Publications (1)

Publication Number Publication Date
JPH01121102A true JPH01121102A (en) 1989-05-12

Family

ID=17609261

Family Applications (1)

Application Number Title Priority Date Filing Date
JP27930187A Pending JPH01121102A (en) 1987-11-06 1987-11-06 Mobile headstock type automatic lathe

Country Status (1)

Country Link
JP (1) JPH01121102A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990014192A1 (en) * 1989-05-24 1990-11-29 Fanuc Ltd Control device for tapping
JPH03161203A (en) * 1989-11-16 1991-07-11 Alps Tool:Kk Feed pipe follow-up mechanism in main spindle moving lathe

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62130102A (en) * 1985-11-29 1987-06-12 Citizen Watch Co Ltd Numerically controlled automatic lathe

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62130102A (en) * 1985-11-29 1987-06-12 Citizen Watch Co Ltd Numerically controlled automatic lathe

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990014192A1 (en) * 1989-05-24 1990-11-29 Fanuc Ltd Control device for tapping
US5093972A (en) * 1989-05-24 1992-03-10 Fanuc Ltd Tapping control unit
JPH03161203A (en) * 1989-11-16 1991-07-11 Alps Tool:Kk Feed pipe follow-up mechanism in main spindle moving lathe

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