Search International and National Patent Collections
Some content of this application is unavailable at the moment.
If this situation persists, please contact us atFeedback&Contact
1. (WO1989000490) SOFTWARE SERVO CONTROLLER OF INJECTION MOLDING MACHINE
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1989/000490 International Application No.: PCT/JP1988/000708
Publication Date: 26.01.1989 International Filing Date: 15.07.1988
IPC:
B29C 45/76 (2006.01) ,G05B 19/414 (2006.01)
B PERFORMING OPERATIONS; TRANSPORTING
29
WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
C
SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
45
Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
17
Component parts, details or accessories; Auxiliary operations
76
Measuring, controlling or regulating
G PHYSICS
05
CONTROLLING; REGULATING
B
CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
19
Programme-control systems
02
electric
18
Numerical control (NC), i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
414
Structure of the control system, e.g. common controller or multiprocessor systems, interface to servo, programmable interface controller
Applicants:
FANUC LTD [JP/JP]; 3580, Shibokusa Aza-Komanba Oshino-mura Minamitsuru-gun Yamanashi 401-05, JP (AllExceptUS)
KAMIGUCHI, Masao [JP/JP]; JP (UsOnly)
NEKO, Noriaki [JP/JP]; JP (UsOnly)
Inventors:
KAMIGUCHI, Masao; JP
NEKO, Noriaki; JP
Agent:
TAKEMOTO, Shoji @; 6F. Toraichi Bldg. 1-11, Toranomon 1-chome Minato-ku Tokyo 105, JP
Priority Data:
62/17482215.07.1987JP
Title (EN) SOFTWARE SERVO CONTROLLER OF INJECTION MOLDING MACHINE
(FR) SERVOCOMMANDE LOGICIELLE POUR MACHINE DE MOULAGE A INJECTION
Abstract:
(EN) A general-purpose software servo controller for an electrically powered injection molding machine is provided which is capable of changing the servo control constant without replacing hardware and controlling the torque appropriately. In accordance with a servo control program, a microprocessor (13) for servo finds an instruction current based upon a position deviation found from both the output of pulse coder (5) and the movement instruction and based upon a change in the pulse coder output. The microprocessor (13) then sends the deviation between the instruction current and the output of a power amplifier (6) to the power amplifier (6) to control the servo motor (2). The output of the power amplifier is limited to be smaller than the instruction torque based on the output of a pressure sensor (4) and the instruction torque.
(FR) Servocommande logicielle universelle pour une machine de moulage à injection à entraînement électrique, permettant de modifier les constantes de servocommande sans remplacer la partie matérielle et de réguler le couple de manière appropriée. Régi par un programme de servocommande, un microprocesseur (13) trouve un courant de consigne en fonction de l'écart de position déterminé à partir aussi bien du signal de sortie du codeur d'impulsions (5) que de l'instruction de déplacement et se fondant sur une variation du signal de sortie du codeur d'impulsions. Le microprocesseur (13) envoie alors la valeur de l'écart entre le courant de consigne et la sortie d'un amplificateur de puissance (6) à ce dernier (6) pour commander le servomoteur (2). La sortie de l'amplificateur de puissance est limitée de manière à demeurer inférieure au couple de consigne, en tenant compte du signal de sortie d'un capteur de pression (4) et du couple de consigne.
Designated States: KR, US
European Patent Office (AT, BE, CH, DE, FR, GB, IT, LU, NL, SE)
Publication Language: Japanese (JA)
Filing Language: Japanese (JA)
Also published as:
EP0331733US4970447DE000003885444KR1019890701320