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JP3755974B2 |
To control rams so that desired bending is naturally executable by precedently moving the side of a larger travel at a slow-speed moving starting position from the difference between right and left final arrival positions of the rams, af...
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JP2006061974A |
To provide a slide driving apparatus for moving up and down a slide of a press machine by the driving force of an electric motor through a crank mechanism and a press machine equipped with the slide driving apparatus, which apparatus and...
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JP3753899B2 |
To improve productivity and processing accuracy by installing a first slide being mechanically driven and a second slide being driven in a way to control a lowering position with a servo motor, a movement direction changing mechanism and...
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JP3119623U |
To make a drive device for a cross machining tool compact and to reduce a mounting space in a work transfer direction. A drive device for a cross machining tool of the present invention moves a moving body to which a machining tool is at...
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JP2006055866A |
To provide an electric press apparatus which can precisely carry out the fixed point work, which requires the exact positioning control, for a long time, by remodeling the structure described in prior arts, in which a differential key st...
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JP3751512B2 |
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JPWO2004037528A1 |
The present invention is a press machine including a servomotor (6), a ball screw (9) and a roller guide (11). This is intended to reduce the size and weight of the entire machine, reduce noise and vibration, reduce power consumption, an...
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JP3744740B2 |
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JP2006504533A |
The invention relates to an electrical pressing device comprising an electric motor (2); a step-up gear (8); a spindle drive (66) embodied as a threaded roller screw drive, the threaded spindle (14) thereof being connected to the step-up...
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JP2006026657A |
To provide a controller for an electric servo type sheet-metal working machine, which controller improves workability and productivity.The controller is equipped with a foot pedal 21, which is operated to start/stop an AC servomotor 12 e...
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JP2006026653A |
To provide a press provided with a high-accuracy die height compensator while suppressing the manufacturing cost and securing durability.The press in which rotational power is converted into vertical drive of a slide 51 through a linkage...
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JP3742143B2 |
To securely offset torque fluctuation occurring in input or output axis of motion conversion device converting continuous revolution motion added to the input axis into revolution motion of predetermined form such as intermittent revolut...
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JP2006502866A |
A device for punching, stamping and/or shaping flat elements ( 29 ) includes a base body ( 1 ) with a table ( 18 ) and support ( 26 ) for the flat element ( 29 ), and a base plate ( 17 ), which supports a punch ( 24 ), and which is advan...
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JP2006015398A |
To appropriately apply a motor-driven type punch press to not only punching work but forming work while making the most of a merit of the motor-driven type which is excellent in responsiveness.This method is a control method of a punch p...
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JP2006000900A |
To secure the durability of a motor-driven press device while maintaining working accuracy.The differential mechanism 9 of the motor-driven press device having a connecting mechanism 17 fixed to a nut member 8 which is screwed on a ball ...
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JP3732355B2 |
To provide an inexpensive press machine, by which movement of a slide is done with good controllability and high accuracy at a high velocity for press processing, and a movable part including a slide can be manufactured into a light weig...
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JP2005349445A |
To provide a compression forming apparatus which can effectively form an object to be formed by compression so as to have high density while saving energy using a relatively small quantity of pressurized oil.The compression forming appar...
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JP3725377B2 |
To provide a double-acting hydraulic press machine capable of controlling a speed, a position and parallelism of each slide, easily changing a die, preventing a breakthrough phenomenon and having high reliability and high general usefuln...
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JP3723727B2 |
To provide a press wherein a sinusoidal punch movement process advantageous to a powder compression, a progressive transition of compression force and high flexibility of the press are combined. This press for compressing powdery materia...
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JP3721362B2 |
The present invention is a pressurizing apparatus including a fixed portion (3), an input shaft (1) for acting directly in an axial direction with respect to the fixed portion (3), an output shaft (2) extending coaxially with the input s...
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JP3718937B2 |
To surely execute the caulking working by connecting a caulking part pressing member and a rod of sliding with a toggle mechanism through a spring, driving a lever connected to the toggle mechanism with a cam plate to absorb the dispersi...
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JP3717726B2 |
To provide a massaging apparatus which can detect rotation of a screw shaft and its direction and can accurately judge the position of a massaging unit regardless of movement condition of a hoisting and lowering motor. In a chair type or...
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JP3716058B2 |
To provide a die-movable punch press capable of highly precisely centering a punch and a die by realizing a light-weight and high-rigidity holder at low cost. A punch block frame 33 and a fir block 27 are moved and positioned by supporti...
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JP2005305529A |
To provide a transfer press having a drive unit, as a base body, in which a slide is made to execute a reciprocating linear motion by a servomotor, and which is commonly used as the drive mechanism of each device, so that high speed oper...
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JP3713191B2 |
To provide a mechanical handling device for a working piece of one hand operation type capable operating with one hand only. A pincers member 1 has a spacer 11, as a drive end 9, directed toward a ram part 27 together with a tension spri...
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JP3709327B2 |
To reduce the facility cost and the installation space, to realize the efficient operation of a forging apparatus, and to reduce the manufacturing cost of a forging by performing the hot forging and the cold forging while using one set o...
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JP3707666B2 |
To precisely control a position and a speed of a slide free from the influence of external force such as a press load, etc. A displacement volume of a variable displacement pump/motor with applying a roughly fixed pressure is controlled ...
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JP2005530618A |
The invention relates to hydraulic control in a hydraulic system for the operation of a machine tool such as a press for processing material of a certain type, especially for the operation of the scrap cutters. Said control allows for im...
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JP3704622B2 |
To enable traveling of a printed-circuit board, on whose reverse face electric components are mounted, in using a press machine for the work to mount various kinds of electrical components such as a connector onto the printed-circuit boa...
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JP3700498B2 |
To provide a pressure body hard to generate glossiness irregularity or partial blurr on the surface of a product when a rubber or resin material is molded into a plate shape having a wide area under pressure by a mold or a hot plate and ...
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JP3701005B2 |
To provide a slide drive apparatus of a press machine not changing a bottom dead center position of a slide even in changing a slide stroke and not losing left/right balance. The apparatus is provided with a crank shaft 8, a connecting r...
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JP2005528220A |
Press comprises at least one press station provided with a press mold (15, 16, 18) and a pressure ram (19), and at least one linear drive for generating relative movements and clamping and closing forces between the mold and the pressure...
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JP2005246414A |
To provide a simple compact screw-press, which is suitable in the case of not requiring a high-speed operation or a high-load press and which has a simple compact composition.The simple compact screw-press 1 has: a screw-press means 2 wh...
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JP3695655B2 |
To provide an edging device in which a slab is approximately continuously fed while edging the slab with a pair of dies, the driving structure of which is simple and miniaturized, which follows up the change of an edged width without usi...
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JP2005238280A |
To provide an apparatus for bending work, which apparatus can efficiently utilize a space by forming a large number of die layouts, and by reducing the space for a machine body as small as possible in this case.A ram 3 is provided betwee...
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JP3691582B2 |
To detect a top dead center without extending a whole length of a crank shaft and in small space. A dog 33 for an object to be detected is arranged on the upper face of a connecting rod 29 arranged to a rank shaft 9, a detecting member 3...
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JP3691721B2 |
To provide a closed forging apparatus and a closed forging method in which the intrusion of a punch is constant, and the cycle time can be shortened. The closed forging apparatus comprises an outer slide 1 to be elevated/lowered by a fir...
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JP3692261B2 |
To compensate variance in a bottom dead center due to all whole deformations of a structural member of a servo press and a die. Outputs of an electric current detector 8 to detect an electric current value supplied to a servo motor 5 to ...
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JP3690534B2 |
To realize the high pressure and the high responsiveness of a hydraulic press. In a high speed hydraulic press in which a slide 6 movable in the vertical direction by a high speed hydraulic cylinder 3 is provided on an upper part of a pr...
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JP3690792B2 |
To set a point before a pressurization point, to adopt a technique to store, and to provide a control device which does not cause a decrease in productivity. A slide is sent down to a first near side position before the pressurization po...
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JP3689605B2 |
To provide a press machine using a toggle link which has a large variation ratio of slide stroke length, enables fine adjustment of a bottom dead point, and has small acceleration at a top dead point. By rotation of an eccentric part 8A ...
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JP3688803B2 |
To provide a driving device to miniaturize a press machine while the weight balance of a crank shaft of the press machine is realized. A turnable crank shaft 9 to vertically move a slide is provided on a frame 3 through a bearing, and li...
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JP3689010B2 |
To provide an inexpensive press machine which is used for blanking, swaging and die forging and is designed to permit the use of a fine guide shaft by diminishing a rotational moment generated in a slide plate so supporting a movable die...
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JP3685615B2 |
To provide a vibration-forming method in a direct acting press, with which the outward appearance quality of a working surface can be improved and the noise can be restrained at the time of forming while vibrating a slide. In the vibrati...
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JP3687951B2 |
To control the rotation of a screw shaft with a simple mechanism by concentrically coupling an output shaft of a bent axis type pulsating piston hydraulic motor with the rotating screw shaft to feed the rotational driving force. In a pre...
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JP3687952B2 |
To provide a high-precision lower dead-point compensating apparatus, in which change of a lower dead point suddenly occurring regardless of a previous process can be well treated, in a servo-press machine. A position of a ram 3 of a scre...
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JP2005524595A |
This invention relates to novel methods for affecting, controlling and/or directing various crystal formation, structure formation or phase formation/phase change reaction pathways or systems by exposing one or more components in a holor...
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JP2005214267A |
To provide a hydraulic device capable of extending maintenance cycles of a selector valve, an electric motor, a pump, or the like, and reducing energy loss.The hydraulic device is provided with a servomotor 13 operating and stopping on t...
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JP3682011B2 |
To make it possible to shorten the time for molding when carrying out press molding while always keeping slide plates in a desired positional relation. A press has sliding plates for pressing a molding metallic die. The press is provided...
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JP3682373B2 |
To provide a synchronous control method of a press which can be operated by synchronizing the crank angle of a plurality of presses erected on the line with high accuracy. The analog output of the slide stroke number set in one SPM set u...
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