INJECTION MOLDING MACHINE AND MOLDING CONTROL METHOD

INJECTION MOLDING MACHINE AND MOLDING CONTROL METHOD

PROBLEM TO BE SOLVED: To reduce a waste shot at the time of starting molding operation as much as possible and allow its achievement to be realized by a simple control method when a disk substrate or the like is molded by an in-line screw type injection molding machine. SOLUTION: The in-line screw t...

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1. Verfasser: TAKENOBU HIDEYA
Format: Patent
Sprache:eng
Schlagworte:
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
PERFORMING OPERATIONS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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creator TAKENOBU HIDEYA
description PROBLEM TO BE SOLVED: To reduce a waste shot at the time of starting molding operation as much as possible and allow its achievement to be realized by a simple control method when a disk substrate or the like is molded by an in-line screw type injection molding machine. SOLUTION: The in-line screw type injection molding machine controls such that the forward stroke of a screw at the primary injection process is changed so as to gradually increase the amount of cushions for each shot while the injection start position of the screw remains the same until the predetermined number of shots pass after continuous automatic molding operation is started and a plurality of waste shots are made, or until the predetermined number of shots pass after the continuous automatic molding operation is started. COPYRIGHT: (C)2009,JPO&INPIT
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subjects AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
PERFORMING OPERATIONS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
title INJECTION MOLDING MACHINE AND MOLDING CONTROL METHOD
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