METHOD FOR REMOVING BURRS OF SAND CORE FOR CASTING

• Main Authors: ERA NAOYA, TAKAMI KATSUHIRO
• Format: Patent
• Language: Chinese; English
• Published: 02.07.2019
• Subjects: CASTING; FOUNDRY MOULDING; PERFORMING OPERATIONS; POWDER METALLURGY; TRANSPORTING

A deburring method for a casting sand core 40 for removing burrs from a deburring target part 41 in the casting sand core 40 including the deburring target part 41, the deburring target part 41 beingat least one of an opening and a cut-out part. The deburring method includes: inserting a bag 13 into the deburring target part 41 of the casting sand core 40; and inflating the bag 13 inserted into the deburring target part 41, and thereby pressing and breaking off burrs 42 formed on a peripheral surface of the deburring target part 41 by the inflated bag 13. 本发明提供一种铸造用砂芯的毛刺去除方法，从具有毛刺去除对象部(41)的铸造用砂芯(40)中的毛刺去除对象部(41)去除毛刺，该毛刺去除对象部(41)是开口部和缺口部中的至少之一。该铸造用砂芯的毛刺去除方法包括如下的步骤：向铸造用砂芯(40)的毛刺去除对象部(41)插入袋体(13)；及使插入于毛刺去除对象部(41)的袋体(13)膨胀，通过膨胀的袋体(13)将在毛刺去除对象部(41)的周面上形成的毛刺(42)压断。