TWO OPPOSED MAIN SHAFT TYPE CNC LATHE
    4.
    发明公开
    TWO OPPOSED MAIN SHAFT TYPE CNC LATHE 失效
    CNC-DREHMASCHINE MIT ZWEIGEGENÜBERLIEGENDENHAUPTSPINDELN。

    公开(公告)号:EP0374259A1

    公开(公告)日:1990-06-27

    申请号:EP89905200.5

    申请日:1989-04-19

    IPC分类号: B23B3/30 G05B19/18

    摘要: A CNC lathe provided with two opposed head stocks (2a, 2b), two turret type tool rests (3a, 3b), and a slanting base (1), the first head stock (2a) being fixed to the base (1), the second head stock (2b) being provided so that it can be moved and positioned in the direction of a main shaft only, two tool rests (3a, 3b) being arranged at the back of the head stocks (2a, 2b). A CNC lathe having the above-mentioned construction, in which each head stock is provided independently with a main shaft motor (21 a mechanically engageable and disengageable main shaft indexing driving unit (23), and main shaft side and indexing driving unit side encoders (27, 26), adapted to carry out a phase matching operation by rotating an indexing motor (40) on the basis of a phase difference detected by the encoders when the main shaft indexing driving unit (23) is connected to a main shaft (11) and when transfer of a work (16) is made between the main shafts (2a, 2b). A CNC lathe having the above-mentioned construction and provided with a synchronizing control unit (53) adapted to segment the output pulses from the encoders (27) on the main shafts on a minute time basis and correct a speed command in accordance with the magnitude thereof. According to the present invention, a CNC lathe having a first head stock of a high rigidity, capable of using a bar feeder of a conventional construction and having an improved efficiency in carrying out a work machining operation including an indexing machining operation using two main shafts an improved efficiency of machining a bar material which requires a cutting-off when the transfer of the work is made between the main shafts can be obtained.

    摘要翻译: 一个数控车床设置有两个相对的头架(2a,2b),两个转塔式工具架(3a,3b)和一个倾斜的底座(1),第一头架(2a)固定在基座(1)上, 第二头架(2b)设置成只能在主轴的方向上移动和定位,在头架(2a,2b)的背面设有两个工具架(3a,3b)。 具有上述结构的数控车床,其中每个头架独立地设置有主轴电机(21),机械接合和分离的主轴分度驱动单元(23),以及主轴侧和分度驱动单元侧 编码器(27,26),适于通过当主轴分度驱动单元(23)连接到主轴时基于由编码器检测到的相位差旋转分度马达(40)来执行相位匹配操作 (11),并且当在主轴(2a,2b)之间形成工件(16)的转移时。 一种具有上述结构并具有同步控制单元(53)的CNC车床,该同步控制单元(53)适于在几分钟的时间基础上分割来自主轴上的编码器(27)的输出脉冲,并根据幅度校正速度指令 它们。 根据本发明,一种具有高刚性的第一头架的数控车床,能够使用现有结构的棒式给料机,并且提高了执行加工操作的效率,包括使用两个主轴的分度加工操作 可以获得在主轴之间进行作业转移时需要切断的条形材料的加工效率的提高。

    HIGH-EFFICIENCY TOOL SELECTION SYSTEM
    6.
    发明公开
    HIGH-EFFICIENCY TOOL SELECTION SYSTEM 失效
    HOKWIRKSAMES WERKZEUGAUSWAHLSYSTEM。

    公开(公告)号:EP0314802A1

    公开(公告)日:1989-05-10

    申请号:EP88903938.4

    申请日:1988-04-28

    申请人: FANUC LTD

    发明人: IWAGAYA, Takashi

    IPC分类号: G05B19/18 B23B3/16 G05B19/417

    摘要: This invention relates to a high-efficiency tool selection system in working with a numerical controlled lathe having a plurality of turrets (3, 4). Tool replacement on the turret (4) to be used next has been instructed to a working program and the tool replacement on the turret (4) to be next used is executed concurrently with working with the tool (3a) of the turret (3) that is now in use, and the turret (4) is located to the work start point. In this manner, an idle time between working steps where the working turrets are replaced can be eliminated.

    摘要翻译: 系统具有数控车床,具有多个炮塔(3,4)。 当由卡盘(2)保持的工作(1)由第二转台(3)上的工具(3a)处理时,第一转台(4)被取回到工具更换位置(5)并且工具(4b) 被替换为下一个处理。 第一个炮塔(4)然后恢复到工作裙点,等待立即使用。 这可以通过在NC编程中包含必要的指令来执行。

    METHOD OF CORRECTING NC PROGRAM FOR FOUR-SPINDLE LATHE
    10.
    发明公开
    METHOD OF CORRECTING NC PROGRAM FOR FOUR-SPINDLE LATHE 失效
    KORREKTURVERFAHREN EINES NUMERISCHEN KONTROLLPROGRAMMSFÜREINE VIERSPINDELBANK。

    公开(公告)号:EP0250597A1

    公开(公告)日:1988-01-07

    申请号:EP87900257.4

    申请日:1986-12-10

    申请人: FANUC LTD.

    摘要: In checking the interference of blade plates, the interpolation simulation is executed by interpolation simulators (103, 104) block by block successively based on first and second NC programs (101, 102). When the blade plates are interfered by one another, the interpolation simulation is stopped, and the two blade plates are moved backwardly up to the block that developed such interference. While the interplation simulation by one NC program is being stopped, the interpolation simulation by the other NC program is executed to move the other blade plate along a path in the interfering block. When no interference develops with the other blade plate being moved alone, the sequence numbers N and M of the first and second NC programs in the interfering block are stored in a memory region (301a), and then the interference is checked similarly. After the interference is checked, a wait instruction is inserted before the block of sequence number M of the NC program in which the interpolation simulation is stopped, and wait instruction is inserted afterthe block of sequence number N of the NC program which has executed the interpolation simulation, in order to correct the first and second NC programs (101 and 201).

    摘要翻译: 在检查刀片板的干涉时,基于第一和第二NC程序(101,102),逐块地逐块地由插值模拟器(103,104)执行插值模拟。 当刀片板彼此干涉时,内插模拟停止,两个刀片板向后移动到产生这种干涉的块。 当一个NC程序的插入模拟停止时,执行其他NC程序的插补模拟,以沿着干扰块中的路径移动另一个刀片板。 当没有其他刀片板单独移动时产生干扰时,干扰块中的第一和第二NC程序的序列号N和M被存储在存储区域(301a)中,然后类似地检查干扰。 在检查了干扰之后,在停止插补模拟的NC程序的序列号M的块之前插入等待指令,并且在执行了该程序的NC程序的序列号N的块之后插入等待指令 插值模拟,以便校正第一和第二NC程序(101和201)。