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    • 2. 发明授权
    • Automatic screwdriver or torquing tool control system
    • 自动螺丝刀或扭力刀具控制系统
    • US4562389A
    • 1985-12-31
    • US536194
    • 1983-09-27
    • Wolfgang JundtGunter SchaalFritz SchadlichHans-Joachim VogtSteffen Wunsch
    • Wolfgang JundtGunter SchaalFritz SchadlichHans-Joachim VogtSteffen Wunsch
    • B25B23/151B23P19/06B25B23/14B25B23/147H02H7/085H02P29/00H02P7/00
    • H02H7/085B23P19/066B25B23/147Y02P70/185
    • To permit reliable turn-OFF of the motor when the torque of the motor is sufficient to provide for reliable seating of a screw or nut being driven thereby, start conditions of the motor are sensed, either in form of low-current condition or high power factor; high-torque conditions are sensed by low power factor, or high-current, in dependence on the desired torque level which results, respectively, in a comparatively steep phase angle-torque or current level-torque curve. A switch control is energized to turn-OFF the motor current if the phase angles, or the motor current, respectively, are beyond predetermined levels. To prevent in-rush current, or high power factors from affecting the operation of the turn-OFF system, timing circuits are provided to disable the turn-OFF system when the motor is first turned-ON or if the phase angle difference, as determined by time-comparator networks, between current and voltage, is below a predetermined value. Timing duration of at least one of the timing circuits can be controlled as a function of motor temperature to provide for linear response of the system, regardless of changes of motor operating parameter versus torque characteristics under varying motor temperature conditions.
    • 为了允许马达的可靠关闭,当马达的扭矩足以提供由其驱动的螺钉或螺母的可靠安置时,电动机的起动条件以低电流状态或大功率的形式被感测 因子; 根据分别在相对较陡的相位角 - 转矩或电流电平 - 转矩曲线中产生的期望转矩水平,通过低功率因数或大电流检测高扭矩条件。 如果相位角或电动机电流分别超过预定水平,则开关控制器通电以关闭电动机电流。 为了防止浪涌电流或高功率因素影响关断系统的操作,提供定时电路以在电动机首次接通时禁止关闭系统,或者如果确定了相位角差 通过时间 - 比较器网络,在电流和电压之间,低于预定值。 可以根据电动机温度的不同来控制至少一个定时电路的定时持续时间,以提供系统的线性响应,而不管电动机工作参数对变化的电动机温度条件下的转矩特性的变化。
    • 5. 发明授权
    • Workbench with removable vise
    • 带有可拆卸虎钳的工作台
    • US4509731A
    • 1985-04-09
    • US504473
    • 1983-06-15
    • Gunter SchaalHeribert Schramm
    • Gunter SchaalHeribert Schramm
    • B25B1/22B25H1/10B25B1/10
    • B25H1/10B25B1/22Y10S269/90Y10S269/901
    • A workbench (1) has a removable vise (3) and a workplate (5) separate from the vise and provided with apertures (6) for clamping elements. A jaw assembly (15) having a fixed vise jaw (16) and likewise a jaw assembly (17) equipped with an adjustable jaw (18) can be screwed onto a vise base (14) so as to resist all twisting forces. The screw fastenings (28 to 30) are such that they can also serve to attach the jaw assemblies to the workplate (5), using the apertures (6) in the latter for that purpose. The vise as a whole can be mounted in a rotary seat (2) where its mandrel (13) can be clamped at different levels and rotary positions, with the further possibility of having the rotary position fixed in the lowest position of the vise in a manner suitable for maintaining parallelism with another rotary vise similarly mounted (not shown in figure).
    • 工作台(1)具有可拆卸的虎钳(3)和与虎钳分离的工作台(5),并设置有用于夹持元件的孔(6)。 具有固定的虎钳钳口(16)和同样具有可调节钳口(18)的钳口组件(17)的钳口组件(15)可以被拧到虎钳座(14)上,以抵抗所有的扭转力。 螺钉紧固件(28至30)使得它们还可以用于将钳口组件附接到工作台(5),使用后者中的孔(6)用于该目的。 作为整体的台钳可以安装在旋转座(2)中,其中其心轴(13)可以被夹紧在不同的水平和旋转位置,另外可能的是将旋转位置固定在台钳的最低位置 适合于保持与另一个类似安装(图中未示出)的旋转虎钳的平行度。
    • 6. 发明授权
    • Electrical series motor with dynamic braking circuit
    • 电动马达与动力制动电路
    • US5099184A
    • 1992-03-24
    • US434085
    • 1989-11-09
    • Friedrich HornungArnim FiebigManfred KirnGunter Schaal
    • Friedrich HornungArnim FiebigManfred KirnGunter Schaal
    • H02P3/12B23B47/06H02P3/06H02P3/14
    • H02P3/06
    • To provide sufficient magnetization to the field of a series motor when the series motor is to be operated in dynamic braking mode, with a dissipating resistor or short circuit element (4) connected across the armature (5), a circuit connection is established between one of the main terminals of the motor through the series field to supply a minimum magnetization current, at least when the motor operates under dynamic braking conditions, typically a few to up to 15% of no-load current of the motor. This is sufficient magnetization so that, even in larger motors where remanent magnetism of the field structure is insufficient, reliable dynamic braking can be ensured. A switch (S; S.sub.1, S.sub.2) selectively connects the motor armature for motor drive or running operation and dynamic braking operation. The magnetization current supply can be through a capacitor, resistor, or resistor-capacitor combination, which can be permanently connected across the power supply (10, 11) of the motor, or connected in circuit only when the switch (S, S.sub.2) changes the motor into dynamic braking operation.
    • 为了在串联电动机以动态制动模式运行时,通过在电枢(5)两端连接的耗散电阻器或短路元件(4),在串联电动机的场中提供足够的磁化强度,建立一个电路连接 的电机的主端子通过串联场提供最小的磁化电流,至少当电动机在动态制动条件下运行时,电机的空载电流通常为几到高达15%。 这是足够的磁化,使得即使在场结构的剩余磁性不足的较大的电动机中,也可以确保可靠的动态制动。 开关(S; S1,S2)有选择地连接电动机电枢,用于电机驱动或运行操作和动态制动操作。 磁化电流源可以通过电容器,电阻器或电阻器 - 电容器组合,其可以永久地连接在电动机的电源(10,11)之间,或者仅在开关(S,S2)变化时连接在电路中 电机进入动态制动操作。
    • 8. 发明授权
    • Clamping device for axially clamping of a tool, especially a disc
    • 用于轴向夹紧工具的夹紧装置,特别是盘
    • US5175963A
    • 1993-01-05
    • US623914
    • 1990-12-13
    • Dieter SchaferKarl-Ernst KoberVolker LaschKarl TreyzManfred KirnErich BorstGunter SchaalKurt Metzger
    • Dieter SchaferKarl-Ernst KoberVolker LaschKarl TreyzManfred KirnErich BorstGunter SchaalKurt Metzger
    • B23C5/26B23B31/02B23B31/11B24B23/02B24B45/00B27B5/32F16D1/06
    • F16D1/06B24B45/006B27B5/32
    • A device for axially clamping a disc-shaped tool on a flange of a driven spindle with a threaded end, includes a clamping nut, a clamping disc supported on the clamping nut for biasing the disc against the flange and connected with the clamping nut for joint rotation therewith and axial displacement relative thereto, and supporting bodies arranged between the clamping nut and the clamping disc. An actuating member is located between the clamping nut and the clamping disc, and rolling bodies are displaceable along guide paths defined by guide tracks of the supporting bodies and guide track means of the actuating member for radially loading the supporting bodies. An insert member is supported between the clamping nut and the clamping disc and includes a plurality of stops projecting into the guide paths. The actuating member presses the rolling bodies against the stops upon rotation in a first direction corresponding to a clamping direction, and displace the rolling bodies into associated radial recesses thereon upon rotation in a second direction opposite to the first direction to relieve the supporting bodies from radial loads and to relieve the clamping disc from an axial clamping pressure.
    • PCT No.PCT / DE89 / 00210 Sec。 371 1990年12月13日第 102(e)1990年12月13日PCT PCT 1989年4月6日提交PCT。 公开号WO90 / 00463 一种用于在带有螺纹端的从动主轴的凸缘上轴向夹紧盘形工具的装置,包括夹紧螺母,夹紧螺母的夹紧盘,用于将盘偏压在凸缘上, 与夹紧螺母连接,用于与其相关联的旋转和相对于其的轴向位移,以及布置在夹紧螺母和夹紧盘之间的支撑体。 致动构件位于夹紧螺母和夹紧盘之间,并且滚动体可沿由支撑体的引导轨道和致动构件的导轨装置限定的引导路径移动,用于径向加载支撑体。 插入构件被支撑在夹紧螺母和夹紧盘之间,并且包括突出到引导路径中的多个挡块。 致动构件在对应于夹紧方向的第一方向上旋转时将滚动体压靠在止动件上,并且在与第一方向相反的第二方向上旋转时将滚动体移动到相关联的径向凹部中,以将支撑体从径向 负载并且缓解夹紧盘从轴向夹紧压力。
    • 9. 发明授权
    • Eccentric grinding machine
    • 偏心研磨机
    • US5170588A
    • 1992-12-15
    • US566378
    • 1990-08-28
    • Gunter SchaalFred WeinmannGunther BergerDieter DorrKarl-Heinz Braunbach
    • Gunter SchaalFred WeinmannGunther BergerDieter DorrKarl-Heinz Braunbach
    • B24B23/03B24B55/10
    • B24B23/03B24B55/102
    • The eccentric grinder includes a housing, a griding disk on which a grinding paper is held, an eccentric shaft on which the grinding disk is nonrotatably mounted and a mechanism for changing a grinding movement of the grinding disk having at least one fixed friction or toothed rim. At least one exchangable reversible intermediate plate (17,37) is provided for the grinder attachable to the eccentric shaft and each having at least one other friction or toothed rim (21,22). In operation, one of the intermediate plates (17,37) is placed between the housing (6) and the grinding disk (24), which, when engaging the fixed friction or toothed rim (34,35) with one of its friction or toothed rims (21,22), causes a rotary motion of the grinding disk (24) in addition to an eccentric motion.
    • PCT No.PCT / DE89 / 00064 Sec。 371日期1990年8月28日第 102(e)日期1990年8月28日PCT提交1989年2月2日PCT公布。 出版物WO89 / 09114 日期:1989年10月5日。偏心研磨机包括壳体,研磨纸被保持在其上的研磨盘,研磨盘不能旋转地安装在其上的偏心轴和用于改变研磨盘的磨削运动的机构, 至少一个固定的摩擦或齿轮。 至少一个可交换的可逆中间板(17,37)设置用于可附接到偏心轴的研磨机,并且每个具有至少一个其它摩擦或齿形边缘(21,22)。 在操作中,中间板(17,37)中的一个放置在壳体(6)和研磨盘(24)之间,当与固定摩擦或齿形边缘(34,35)摩擦或啮合时, 齿圈(21,22)除了偏心运动之外还引起研磨盘(24)的旋转运动。
    • 10. 发明授权
    • Eccentric grinding machine
    • 偏心磨床
    • US5453040A
    • 1995-09-26
    • US885171
    • 1992-05-18
    • Gunter SchaalFred WeinmannGunther BergerDieter DorrKarl-Heinz Braunbach
    • Gunter SchaalFred WeinmannGunther BergerDieter DorrKarl-Heinz Braunbach
    • B24B23/03B24B55/10B24B23/00
    • B24B23/03B24B55/102
    • The eccentric grinder includes a housing, a fan wheel mounted rotatably in the housing and being rotatably driven in the housing during operation, an eccentric shaft mounted rotatably and eccentrically in the fan wheel, a grinding disk nonrotatably fixed in a central portion thereof with the eccentric shaft and an outer region of the grinding disk being arranged without connection to a remaining group of parts of the grinder and axially spaced therefrom; and at least one exchangeable reversible intermediate plate. Each of the intermediate plates can be mounted nonrotatably on the eccentric shaft between the grinding disk and the housing during operation in one of two positions. To cause a rotary motion of the grinding disk in addition to an eccentric motion one of the intermediate plates is provided with only one toothed or friction rim which is engaged in a fixed toothed or friction rim provided on the housing when the intermediate plate is installed in one of the two positions during operation. Since the other side of that intermediate disk does not have a toothed or friction rim, when the intermediate disk is installed in the other, turned-over position in operation a fine grinding motion results without a rotary motion around the eccentric shaft.
    • 该偏心式研磨机包括壳体,可旋转地安装在壳体中并且在操作期间可旋转地驱动到壳体中的风扇叶轮,可旋转和偏心地安装在风扇叶轮中的偏心轴,不可旋转地固定在其中心部分的研磨盘, 所述研磨盘的外部区域被布置成不与所述研磨机的剩余的一组部件连接并与其轴向间隔开; 和至少一个可交换的可逆中间板。 每个中间板可以在两个位置之一中操作期间不可旋转地安装在研磨盘和壳体之间的偏心轴上。 除了偏心运动之外,为了引起研磨盘的旋转运动,中间板之一仅设置有一个齿形或摩擦轮缘,该齿形或摩擦轮缘在中间板安装在壳体上时设置在壳体上的固定齿形或摩擦轮缘 运营期间的两个职位之一。 由于该中间盘的另一侧不具有齿形或摩擦轮缘,所以当中间盘安装在另一侧时,在操作中的翻转位置在没有围绕偏心轴的旋转运动的情况下产生细微的磨削运动。