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    • 71. 发明专利
    • Arc welding equipment
    • 弧焊设备
    • JPS6127180A
    • 1986-02-06
    • JP14602284
    • 1984-07-16
    • Mitsubishi Electric Corp
    • MORIYASU MASAHARUUEDA TAKAHARUHIRAMOTO MASATAKE
    • B23K9/095B23K9/12
    • B23K9/12
    • PURPOSE:To provide the titled extremely simple and easy equipment only with this welding conditions as the parameter to be inputted and indicated in advance by making with constituting so as to select and set automatically the crater treating conditions of the welding completion time from the indicated welding conditions. CONSTITUTION:A welding current Ia1, welding voltage Va1, welding speed v1 are inputted to a controlling device 6 for instruction as this welding conditions shown in (a). In the device 6, then, the data basis is retrieved as per (c) from the combination of the current Ia1 and the speed v1 as shown in (b), the crater treating conditions, i.e., the crater current Ic, crater voltage Vc, crater time tc are selected and all the necessary parameters are completed as shown in (d) the same as before, and the welding is performed by the welding executing part 10. Consequently only with instructing this welding conditions everything can be done automatically upto the crater disposal and the input instruction of the conditions is simplified very much and a good welding result is obtainable at all times.
    • 目的:为了提供标准的极简单和容易的设备,只有这种焊接条件作为预先输入和指示的参数,通过构成,自动选择和设置焊接完成时间的焊接处理条件, 条件。 构成:如(a)所示的焊接条件,焊接电流Ia1,焊接电压Va1,焊接速度v1输入到控制装置6进行指示。 然后,在装置6中,如(b)所示,根据(b)所示的电流Ia1和速度v1的组合,根据(c)检索数据基础,即火山口处理条件即火山口电流Ic,火山口电压Vc ,选择火山口时间tc,并且如以前(d)所示完成所有必要的参数,并且由焊接执行部10进行焊接。因此,只有指示该焊接条件,一切可以自动完成,直到 火山口处理和条件的输入指令非常简单,焊接结果始终可以获得良好的效果。
    • 72. 发明专利
    • ARC WELDING DEVICE
    • JPS57202979A
    • 1982-12-13
    • JP8794081
    • 1981-06-08
    • MITSUBISHI ELECTRIC CORP
    • MORIYASU MASAHARUHIRAMOTO MASATAKE
    • B23K9/12B23K9/10
    • PURPOSE:To maintain the temp. of a filler wire rod constant and to stabilize welding by subjecting the conducting current value of said wire rod to feedback control in accordance with the heating temp. of the wire rod and making the application of pulse-like large currents possible. CONSTITUTION:When the temp. of a filler wire rod 16 is detected with an IR temp. detector 30, and there is a difference from a set value, a control circuit 34 for conducting current of the filler wire rod operates. A transistor control type electric power source 36 is controlled after this and the rod 16 is held at a set value. When the heating is ceased on account of a certain reason and the wire rod is going to be reheated after the considerable reduction in the temp., the current conduction starting state is detected by a voltage detector 32, and the pulse-like currents of about several times the ordinary conducting current are applied from the power source 36, whereby the wire rod is reset quickly to the normal state.
    • 80. 发明专利
    • LASER BEAM MACHINE
    • JPH0866788A
    • 1996-03-12
    • JP20693694
    • 1994-08-31
    • MITSUBISHI ELECTRIC CORP
    • MATSUSHITA YOSHIFUMIITO KEIKOMORIYASU MASAHARUIZUMO MASAO
    • B23K37/04B23K26/10
    • PURPOSE: To obtain the laser machining method, which executes fine precision machining without damaging a work and prevents damage of a machining table, by providing a absnrbing body to absorb the laser beam having passed a work in the intermediate part of machining table. CONSTITUTION: When a work 1 placed on a machining table 4 is irradiated with a laser beam 5 from a laser oscillator 10 through a transfer mask 9, the part being irradiated of work member 1 is melted/evaporated to scatter and then an opening part 7 is formed. The laser beam having passed a work member 1 enters into a space 6, a part thereof is absorbed in an absorption layer 8 and the rear face 1b of work member 1 is irradiated with the balance. In a case the laser reflecting rate of absorption layer 8 is high, the work member 1 is damaged, therefore, the surface reflection rate of absorpting layer 8 is lowered or the distance L of absorption layer 8 is increased so that the energy density of rear face 1b of work 1 is equal to or less than the minimum limit energy density for machining of work 1. By this method, fine precision machining and prevention of damage of machining table 4 are made possible.