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树脂矿物复合材料金刚石带锯加工的实验研究

Experimental Investigation on Diamond Band Saw Processing of Resin Mineral Composites.

作者信息

Sun Jiahao, Zhang Jianhua, Gu Weizhou, Long Yunfang, Guo Chuanxin

机构信息

Key Laboratory of High Efficiency and Clean Mechanical Manufacture, School of Mechanical Engineering, Shandong University, Jinan 250061, China.

National Demonstration Center for Experimental Mechanical Engineering Education, School of Mechanical Engineering, Shandong University, Jinan 250061, China.

出版信息

Materials (Basel). 2024 Apr 15;17(8):1814. doi: 10.3390/ma17081814.

DOI:10.3390/ma17081814
PMID:38673172
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11051032/
Abstract

Resin mineral composite (RMC) is a new material with several times the damping properties of gray cast iron and great corrosion resistance. Due to its overall brittleness, sawing with a diamond band saw would be a suitable method. In this research, sawing experiments are carried out to study the sawing force characteristics of the material and its surface morphology during the processing. The results show that the feed force level is in the range of 3.5~5.5 N and the tangential force level is relatively low. The distribution of resin mineral components does not have a significant impact on the average sawing force but increases the fluctuation of the lateral force signal. The maximum fluctuation volume is 94.86% higher than other areas. Uneven lateral force, generated when diamond particles pass through the resin-mineral interface, is one of the causes of fluctuations. The machined surface of RMC has uniform strip scratches and a small number of pits. Maintaining a constant ratio of sawing speed to feed speed can result in approximately the same machined surface. A step structure with a height of about 10 μm appears at the interface of resin minerals. As a processing defect, it may affect the performance of RMC components in some aspects, which need a further precision machining processing.

摘要

树脂矿物复合材料（RMC）是一种新型材料，其阻尼性能是灰铸铁的几倍，且具有很强的耐腐蚀性。由于其整体脆性，使用金刚石带锯切割将是一种合适的方法。在本研究中，进行了锯切实验，以研究该材料在加工过程中的锯切力特性及其表面形貌。结果表明，进给力水平在3.5~5.5 N范围内，切向力水平相对较低。树脂矿物成分的分布对平均锯切力没有显著影响，但增加了侧向力信号的波动。最大波动量比其他区域高94.86%。金刚石颗粒穿过树脂-矿物界面时产生的不均匀侧向力是波动的原因之一。RMC的加工表面有均匀的条状划痕和少量凹坑。保持锯切速度与进给速度的恒定比例可使加工表面大致相同。在树脂矿物的界面处出现了一个高度约为10μm的台阶结构。作为一种加工缺陷，它可能在某些方面影响RMC部件的性能，这需要进一步的精密加工处理。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a83b/11051032/41218e7d4293/materials-17-01814-g018.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a83b/11051032/41218e7d4293/materials-17-01814-g018.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a83b/11051032/20b3fed0ffc8/materials-17-01814-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a83b/11051032/26d51e68ed44/materials-17-01814-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a83b/11051032/ff76e4454369/materials-17-01814-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a83b/11051032/8b5c5cd1925a/materials-17-01814-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a83b/11051032/2c06dbbd783b/materials-17-01814-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a83b/11051032/9fdff7134806/materials-17-01814-g013.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a83b/11051032/4dc4dee3adb3/materials-17-01814-g014.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a83b/11051032/5c1a87394616/materials-17-01814-g015.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a83b/11051032/cd1b3bf9caf4/materials-17-01814-g016.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a83b/11051032/e35e8b7349b5/materials-17-01814-g017.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a83b/11051032/41218e7d4293/materials-17-01814-g018.jpg

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本文引用的文献

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Experimental investigation of the machining characteristics in diamond wire sawing of unidirectional CFRP.单向碳纤维增强塑料金刚石线锯切割加工特性的实验研究
Int J Adv Manuf Technol. 2021;117(7-8):2197-2212. doi: 10.1007/s00170-021-07146-8. Epub 2021 Jun 9.
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Shear bond strengths of composite resin and giomer to mineral trioxide aggregate at different time intervals.不同时间间隔下复合树脂和聚硅氧烷粘固粉与三氧化矿物凝聚体的剪切粘结强度。
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Shear bond strength of a novel light cured calcium silicate based-cement to resin composite using different adhesive systems.
使用不同粘结系统时新型光固化硅酸钙基水门汀与树脂复合材料的剪切粘结强度
Dent Mater J. 2016 Dec 1;35(6):881-887. doi: 10.4012/dmj.2016-075. Epub 2016 Sep 29.