Ultra-precision temperature control system for machine tool and control
method therefor
    1.
    发明授权
    Ultra-precision temperature control system for machine tool and control method therefor 失效
    超精密机床温度控制系统及其控制方法

    公开(公告)号:US5476137A

    公开(公告)日:1995-12-19

    申请号:US300845

    申请日:1994-09-06

    IPC分类号: B23Q11/14 F25B29/00

    摘要: A control system for effecting ultra-precision temperature control for a controlled system having large load fluctuations or including a dead time component. A control unit (5) instructs a high-precision PID temperature controller (10) to renew and correct a control target value T.sub.0,NEW for the supply fluid temperature T.sub.0 only by a temperature difference .DELTA.T=T.sub.C -T.sub.2 between a set value T.sub.C for the return fluid temperature T.sub.2 of a heat transfer fluid and the actually controlled return fluid temperature T.sub.2. In response to the instruction, the high-precision PID temperature controller (10) controls the heating power of a heater (17) for heating control through a constant-power thyristor phase controller (16). The heater (17) heats the heat transfer fluid and sends it to a machining apparatus (1) through a closed damping tank (21). The heat transfer fluid exchanges heat with the machining apparatus (1) and is then returned to a precooling means.

    摘要翻译: 一种用于对具有大负载波动或包括死区时间分量的受控系统进行超精密温度控制的控制系统。 控制单元(5)指示高精度PID温度控制器(10)更新和校正供给流体温度T0的控制目标值T0,NEW,仅通过设定值TC之间的温差DELTA T = TC-T2 对于传热流体的返回流体温度T2和实际控制的回流温度T2。 响应于该指令,高精度PID温度控制器(10)通过恒功率晶闸管相位控制器(16)控制用于加热控制的加热器(17)的加热功率。 加热器(17)加热传热流体并通过封闭的阻尼罐(21)将其送到加工设备(1)。 传热流体与加工装置(1)进行热交换,然后返回到预冷装置。

    Hydrostatic bearing apparatus
    2.
    发明授权
    Hydrostatic bearing apparatus 失效
    静压轴承装置

    公开(公告)号:US5364190A

    公开(公告)日:1994-11-15

    申请号:US4249

    申请日:1993-01-14

    IPC分类号: F16C29/02 F16C32/06 F16C37/00

    摘要: A hydrostatic bearing apparatus comprises a base member having a static pressure guide surface to which a static pressure pocket is formed, a temperature detector for detecting a temperature of an operation oil in the static pressure pocket at an outlet portion thereof and generating a signal representing the detected outlet temperature of the operation oil, a temperature controller for controlling a temperature of the operation oil to be supplied in the static pressure pocket in response to the signal from the temperature detector, and a pressure controller for controlling a pressure in the static pressure pocket by controlling a flow rate of the operation oil supplied to the static pressure pocket. An operation oil source storing the operation oil to be supplied to the static pressure pocket is further disposed. A gap between the static pressure guide surface and a member to be supported of the hydrostatic bearing apparatus is maintained always constant in accordance with the control of the operation oil temperature and the operation oil pressure.

    摘要翻译: 静压轴承装置包括:具有静压导向面的基座构件,形成有静压袋;温度检测器,用于检测其出口部分处的静压袋中的操作油的温度,并产生表示 检测出操作油的出口温度;温度控制器,用于响应于来自温度检测器的信号控制在静压袋中供应的操作油的温度;以及压力控制器,用于控制静压袋中的压力 通过控制供应到静压袋的操作油的流量。 进一步设置储存供给静压袋的工作油的操作油源。 根据操作油温和操作油压的控制,静压导向面和静压轴承装置的被支承部件之间的间隙总是保持恒定。

    Static pressure table device with a tapered surface
    3.
    发明授权
    Static pressure table device with a tapered surface 失效
    具有锥形表面的静压台装置

    公开(公告)号:US5599108A

    公开(公告)日:1997-02-04

    申请号:US913716

    申请日:1992-07-16

    CPC分类号: F16C32/0692 B23Q1/265

    摘要: In a static pressure table device wherein an annular recess is formed in one of confronting surfaces of a stationary bed and a rotary table thereon, and static pressure oil is supplied to the recess for rotatingly support the table on the bed, a static pressure gap formed between the confronting surfaces of the bed and table is constructed to gradually or stepwisely increase toward the outer periphery of the device. As a result, the viscosity resistance of the pressure oil is decreased toward the outer periphery and heat generation is reduced in the outer peripheral region, whereby a uniform temperature distribution of the table becomes possible with resultant reduced thermal deformation of the table so that the table can be rotated at high speed.

    摘要翻译: 在静压表装置中,其中在固定床和其上的旋转工作台的相对表面之一上形成环形凹部,并且静压力被供应到凹部以旋转地支撑床上的台,形成静压隙 在床和桌子的相对表面之间构造成朝着装置的外周逐渐或逐步地增加。 结果,压力油的粘度阻力向外周减小,并且外周区域的发热量降低,从而台面的温度分布均匀,从而导致工作台的热变形减少,使得工作台 可以高速旋转。

    Method of controlling a gap of a hydrostatic bearing apparatus
    4.
    发明授权
    Method of controlling a gap of a hydrostatic bearing apparatus 失效
    控制静压轴承装置间隙的方法

    公开(公告)号:US5447375A

    公开(公告)日:1995-09-05

    申请号:US246418

    申请日:1994-05-20

    IPC分类号: F16C29/02 F16C32/06 F16C37/00

    摘要: A hydrostatic bearing apparatus comprises a base member having a static pressure guide surface to which a static pressure pocket is formed, a temperature detector for detecting a temperature of an operation oil in the static pressure pocket at an outlet portion thereof and generating a signal representing the detected outlet temperature of the operation oil, a temperature controller for controlling a temperature of the operation oil to be supplied in the static pressure pocket in response to the signal from the temperature detector, and a pressure controller for controlling a pressure in the static pressure pocket by controlling a flow rate of the operation oil supplied to the static pressure pocket. An operation oil source storing the operation oil to be supplied to the static pressure pocket is further disposed. A gap between the static pressure guide surface and a member to be supported of the hydrostatic bearing apparatus is maintained always constant in accordance with the control of the operation oil temperature and the operation oil pressure.

    摘要翻译: 静压轴承装置包括:具有静压导向面的基座构件,形成有静压袋;温度检测器,用于检测其出口部分处的静压袋中的操作油的温度,并产生表示 检测出操作油的出口温度;温度控制器,用于响应于来自温度检测器的信号控制在静压袋中供应的操作油的温度;以及压力控制器,用于控制静压袋中的压力 通过控制供应到静压袋的操作油的流量。 进一步设置储存供给静压袋的工作油的操作油源。 根据操作油温和操作油压的控制,静压导向面和静压轴承装置的被支承部件之间的间隙总是保持恒定。

    Method and system for temperature control of hydraulic oil
    5.
    发明授权
    Method and system for temperature control of hydraulic oil 失效
    液压油温度控制方法及系统

    公开(公告)号:US5971068A

    公开(公告)日:1999-10-26

    申请号:US792235

    申请日:1997-01-31

    IPC分类号: F16C32/06 G05D23/19 G05D23/00

    CPC分类号: G05D23/1904

    摘要: A combination of setting a correction value of an atmospheric temperature for each temporal section in response to a predicted value of a variation of the atmospheric temperature in a day and a delayed variation of a temperature of hydraulic oil due to thermal inertia and correcting a command value for a temperature regulation of the hydraulic oil at a supply source of the hydraulic oil in response to the correction value of the atmospheric temperature, performing a feed forward compensation of the temperature of the hydraulic oil with respect to the variation of the atmospheric temperature for the day as a cyclic period, permits a working body of hydraulic oil to be kept at an adequate temperature, even under working conditions subjected to significant influences of atmospheric temperature variations and thermal inertia.

    摘要翻译: 响应于一天中的大气温度的变化的预测值和由于热惯性引起的液压油的温度的延迟变化以及修正指令值,设定每个时间段的大气温度的校正值的组合 为了响应于大气温度的校正值对液压油的供给源上的液压油进行温度调节,对于液压油的大气温度的变化,对液压油的温度进行前馈补偿 一天作为循环周期,即使在受到大气温度变化和热惯性的显着影响的工作条件下,也允许液压油的工作体保持在适当的温度。

    Method and apparatus for correcting deflection of a movable member
    6.
    发明授权
    Method and apparatus for correcting deflection of a movable member 失效
    用于校正可动构件偏转的方法和装置

    公开(公告)号:US5053973A

    公开(公告)日:1991-10-01

    申请号:US383527

    申请日:1989-07-24

    摘要: In an apparatus for correcting deflection produced in a construction due to the weight of the construction or movement of a movable member supported by the construction, a condition data representing the deflection associated with the moved position of the movable member is stored in a memory section of a correction controller. The movement of the movable member is detected by a position detector and a position signal is generated from the position detector. A command signal is supplied to a calculator and the position signal is received in the calculator synchronized with the command signal. The condition data is accessed by the calculator with the received position signal and is processed into a correction data. A correction data is supplied to a proportional control electromagnetic valve and a hydraulic cylinder for applying a force onto the construction is regulated by the valve to correct the deflection of the construction.

    摘要翻译: 在用于校正结构中产生的偏转的装置中,由于构造所支撑的可动构件的重量或移动的重量,表示与可移动构件的移动位置相关联的偏转的条件数据被存储在 校正控制器。 通过位置检测器检测可动部件的移动,从位置检测器产生位置信号。 向计算器提供命令信号,并且与计时器同步地接收位置信号。 条件数据由具有接收到的位置信号的计算器访问,并被处理成校正数据。 校正数据被提供给比例控制电磁阀,并且用于向结构施加力的液压缸由阀调节以校正结构的偏转。

    Automotive vehicle with front and rear sliding doors
    7.
    发明授权
    Automotive vehicle with front and rear sliding doors 失效
    具有前后滑动门的汽车车辆

    公开(公告)号:US4544198A

    公开(公告)日:1985-10-01

    申请号:US513688

    申请日:1983-07-14

    摘要: An automotive vehicle has a single integral door opening on each side of the door body. The door opening is closed by a pair of front and rear doors which are slidable along the vehicle side to open and close the door opening. The rear edge of the front sliding door and the front edge of the rear sliding door directly oppose each other without a vehicle body pillar therebetween. The opposing edges of the sliding doors have seals for water-proofing. Also, the upper edges of the sliding doors sealingly contact seals mounted on vehicle side frames extending along upper edge of the door opening for water-proofing. Guide rails slidingly supporting the sliding doors are mounted on the side frames in such a manner that they serve to reinforce the side frames. Lower seals are provided between the lower edges of the front and rear doors and the lower side frames for establishing water-tight seal therebetween.

    摘要翻译: 机动车辆在门体的每一侧具有单个整体的门开口。 门开口被一对前后门封闭,前门和后门可沿着车辆侧滑动以打开和关闭门开口。 前滑动门的后边缘和后滑动门的前边缘彼此直接相对,而其间没有车体支柱。 滑动门的相对边缘具有用于防水的密封件。 此外,滑动门的上边缘密封地接触安装在车门侧框架上的密封件,其沿着门开口的上边缘延伸以防水。 滑动地支撑滑动门的导轨以这样的方式安装在侧框上,以便它们用于加强侧框架。 在前门和后门的下边缘和下侧框架之间设置有下密封件,用于在其间建立防水密封。

    Cylinder device
    8.
    发明授权
    Cylinder device 失效
    气缸装置

    公开(公告)号:US5343797A

    公开(公告)日:1994-09-06

    申请号:US42271

    申请日:1993-04-02

    CPC分类号: F15B15/16

    摘要: A cylinder device which is capable of restraining the total length thereof to a shorter length even when the stroke is made longer, and which thereby provides the compact appearance and layout of, for example, a machine tool, in which the cylinder device is used. The cylinder device includes a first cylinder provided with an extensible piston rod. The piston rod is constituted as a cylinder tube of a second cylinder. The extensible piston rod of the second cylinder is formed in the interior thereof with a flow path for guiding a working fluid into a cylinder chamber of the second cylinder constituted by the piston rod of the first cylinder.

    摘要翻译: 即使当行程更长时,也能够将其全长限制在更短的长度上,从而提供例如使用气缸装置的机床的紧凑的外观和布局的气缸装置。 气缸装置包括设置有可伸缩活塞杆的第一气缸。 活塞杆构成为第二气缸的气缸筒。 第二气缸的可伸缩活塞杆的内部形成有用于将工作流体引导到由第一气缸的活塞杆构成的第二气缸的气缸室中的流路。

    Saddle swivel head tilting device
    9.
    发明授权
    Saddle swivel head tilting device 失效
    沙发旋转头倾斜装置

    公开(公告)号:US5238340A

    公开(公告)日:1993-08-24

    申请号:US957474

    申请日:1992-10-07

    IPC分类号: B23Q1/00 B23Q1/72 B23Q11/00

    摘要: The invention relates to improvements in a tilting mechanism for a saddle swivel head for a double housing type machine tool. The saddle swivel head 13 is provided at the sides thereof in the tilting direction with hydraulic cylinders 18R, 18L, to which is connected a hydraulic piping system 19 for giving swivel balancing pressures and back pressures when the swivel head 13 is tilted by a predetermined angle by a tilting driving mechanism. The saddle swivel head 13 is tilted while providing swivel balancing pressures to the hydraulic cylinders 18R, 18L, and after tilting the head by the predetermined angle, back pressures are applied to the hydraulic cylinders 18R, 18L to compensate for a tilting moment of the saddle swivel head 13.

    摘要翻译: 本发明涉及一种用于双壳式机床的鞍式旋转头的倾斜机构的改进。 鞍座旋转头13在其倾斜方向上设置有液压缸18R,18L,液压缸18R,18L连接有用于当旋转头13倾斜预定角度时提供旋转平衡压力和背压的液压管道系统19 通过倾斜驱动机构。 鞍座旋转头13倾斜,同时向液压缸18R,18L提供旋转平衡压力,并且在将头倾斜预定角度之后,将背压施加到液压缸18R,18L以补偿鞍座的倾斜力矩 旋转头13。