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切削条件对碳纤维增强复合材料铣削过程中产生的粉尘颗粒尺寸的影响

Effect of Cutting Conditions on the Size of Dust Particles Generated during Milling of Carbon Fibre-Reinforced Composite Materials.

作者信息

Dvořáčková Štěpánka, Kroisová Dora, Knápek Tomáš, Váňa Martin

机构信息

Assembly and Engineering Metrology, Department of Machining, Faculty of Mechanical Engineering, Technical University of Liberec, 461 17 Liberec, Czech Republic.

出版信息

Polymers (Basel). 2024 Sep 10;16(18):2559. doi: 10.3390/polym16182559.

DOI:10.3390/polym16182559
PMID:39339024
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11435035/
Abstract

Conventional dry machining (without process media) of carbon fibre composite materials (CFRP) produces tiny chips/dust particles that float in the air and cause health hazards to the machining operator. The present study investigates the effect of cutting conditions (cutting speed, feed per tooth and depth of cut) during CFRP milling on the size, shape and amount of harmful dust particles. For the present study, one type of cutting tool (CVD diamond-coated carbide) was used directly for machining CFRP. The analysis of harmful dust particles was carried out on a Tescan Mira 3 (Tescan, Brno, Czech Republic) scanning electron microscope and a Keyence VK-X 1000 (Keyence, Itasca, IL, USA) confocal microscope. The results show that with the combination of higher feed per tooth (mm) and lower cutting speed, for specific CFRP materials, the size and shape of harmful dust particles is reduced. Particles ranging in size from 2.2 to 99 μm were deposited on the filters. Smaller particles were retained on the tool body (1.7 to 40 μm). Similar particle sizes were deposited on the machine and in the work area.

摘要

碳纤维复合材料（CFRP）的传统干式加工（无加工介质）会产生微小的切屑/灰尘颗粒，这些颗粒漂浮在空气中，对加工操作人员造成健康危害。本研究调查了CFRP铣削过程中切削条件（切削速度、每齿进给量和切削深度）对有害灰尘颗粒的尺寸、形状和数量的影响。在本研究中，直接使用一种刀具（CVD金刚石涂层硬质合金）加工CFRP。在一台Tescan Mira 3（捷克布尔诺的Tescan公司）扫描电子显微镜和一台Keyence VK-X 1000（美国伊利诺伊州伊塔斯卡的基恩士公司）共聚焦显微镜上对有害灰尘颗粒进行了分析。结果表明，对于特定的CFRP材料，通过较高的每齿进给量（毫米）和较低的切削速度相结合，有害灰尘颗粒的尺寸和形状会减小。尺寸范围从2.2到99μm的颗粒沉积在过滤器上。较小的颗粒留在刀具本体上（1.7到40μm）。类似尺寸的颗粒沉积在机床和工作区域。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3c1c/11435035/2b55b8117aed/polymers-16-02559-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3c1c/11435035/a456551fa0bc/polymers-16-02559-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3c1c/11435035/f9c20b619ae2/polymers-16-02559-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3c1c/11435035/44620e1191ad/polymers-16-02559-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3c1c/11435035/a3abb33400b7/polymers-16-02559-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3c1c/11435035/557c6c5365bf/polymers-16-02559-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3c1c/11435035/64ff54d265da/polymers-16-02559-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3c1c/11435035/2a25e8603dc4/polymers-16-02559-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3c1c/11435035/7189b48e6b2b/polymers-16-02559-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3c1c/11435035/6fa082e05258/polymers-16-02559-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3c1c/11435035/2b55b8117aed/polymers-16-02559-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3c1c/11435035/a456551fa0bc/polymers-16-02559-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3c1c/11435035/f9c20b619ae2/polymers-16-02559-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3c1c/11435035/44620e1191ad/polymers-16-02559-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3c1c/11435035/a3abb33400b7/polymers-16-02559-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3c1c/11435035/557c6c5365bf/polymers-16-02559-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3c1c/11435035/64ff54d265da/polymers-16-02559-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3c1c/11435035/2a25e8603dc4/polymers-16-02559-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3c1c/11435035/7189b48e6b2b/polymers-16-02559-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3c1c/11435035/6fa082e05258/polymers-16-02559-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/3c1c/11435035/2b55b8117aed/polymers-16-02559-g010.jpg

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