Monitaring of Wear Condition of Wood Machine Boring Bit by Cutting Sound

切削声监测木机钻孔钻头磨损情况

• 批准号: 03660175
• 负责人: BANSHOYA Kaoru
• 金额: $ 1.28万
• 依托单位: HIROSHIMA UNIVERSITY
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for General Scientific Research (C)
• 财政年份: 1991
• 资助国家: 日本
• 起止时间: 1991 至 1992
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-03660175/
• 关键词: Woodmachining; Machine boring; Tool wear; Cutting sound; Boring tool; 切削病

The establishment of in-process detection of tool-wear or chipping of machine boring bits are requested in the furniture factory recently. In this work, cutting sound was noticed as the above-mentioned in-process detection method, cutting sounds were measured in the machine boring of wood and wood-based materials.If we want to monitor the tool wear condition of machine boring bit by cutting sound, it is desirable that both the absolute value of correlation coefficient and the value of regression coefficient in the regression line showing the relationship between the amount of tool wear and cutting sound should be large.From the experiment results in the machine boring of particleboard, MDF, hinoki, kuri, lauan, Douglas-fir with cemented carbide bit, the sound pressure levels of 10K Hz-12KHz or 10KHz-20KHz in the power spectrum of cutting sound decreased remarkably rectilinearly with the increase of the amount of tool wear of machine boring bit having high correlation coefficient for almost each work material.Thus, it was concluded that measuring of sound pressure level of cutting sound of specific frequency range are promising for the in-process detection of tool wear of machine boring bits.

近年来，家具厂要求建立机床钻头刀具磨损或切屑的在线检测系统。本文将切削声作为上述的在线检测方法，对木材和木质材料的机加工中的切削声进行了测量。如果要用切削声来监测机挖钻头的刀具磨损情况，则刀具磨损量与切削声之间的回归直线上的相关系数的绝对值和回归系数的值都应较大。从刨花板、MDF、HINOKI、KURI、Lauan、Douglas-Fir硬质合金钻头的机加工实验结果来看，随着钻头刀具磨损量的增加，切削声功率谱中10K HZ~12 KHZ或10 KHZ~20 KHZ的声压级随刀具磨损量的增加呈显著的直线下降，且几乎对每种加工材料都具有较高的相关系数，因此，测量特定频率范围内的切削声压级可用于机床钻头刀具磨损的在线检测。

项目成果

BANSHOYA,K., MURASE,Y.: "Relationship between cutting sound and tool wear in machine boring of wood and wood-based materials" Abstracts of the 43rd Annual Meeting of the Japan Wood Research Society. (1993)

BANSHOYA,K.，MURASE,Y.：“木材和木质材料机械镗削中切削声音与刀具磨损的关系”日本木材研究会第 43 届年会摘要。

番匠谷 薫: "切削音による木工ビットの刃先摩耗状態のモニタリング" 日本木材学会大会研究発表要旨集. 43回. (1993)

Kaoru Banshoya：“利用切削噪音监测木工钻头的磨损状态”日本木材工业协会第 43 届会议（1993 年）研究报告摘要集。