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有序排布金刚石锯片的制备与磨粒磨损形态研究

王健,  张凤林,  牛亮,  周玉梅

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王健, 张凤林, 牛亮, 周玉梅. 有序排布金刚石锯片的制备与磨粒磨损形态研究[J]. 粉末冶金技术, 2018, 36(2): 118-123. doi: 10.19591/j.cnki.cn11-1974/tf.2018.02.007
引用本文: 王健, 张凤林, 牛亮, 周玉梅. 有序排布金刚石锯片的制备与磨粒磨损形态研究[J]. 粉末冶金技术, 2018, 36(2): 118-123. doi: 10.19591/j.cnki.cn11-1974/tf.2018.02.007
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WANG Jian, ZHANG Feng-lin, NIU Liang, ZHOU Yu-mei. Preparation and abrasive wear characteristics of orderly arrayed diamond saw blades[J]. Powder Metallurgy Technology, 2018, 36(2): 118-123. doi: 10.19591/j.cnki.cn11-1974/tf.2018.02.007
Citation: WANG Jian, ZHANG Feng-lin, NIU Liang, ZHOU Yu-mei. Preparation and abrasive wear characteristics of orderly arrayed diamond saw blades[J]. Powder Metallurgy Technology, 2018, 36(2): 118-123. doi: 10.19591/j.cnki.cn11-1974/tf.2018.02.007
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有序排布金刚石锯片的制备与磨粒磨损形态研究

doi: 10.19591/j.cnki.cn11-1974/tf.2018.02.007
  • 1.

    广东工业大学机电工程学院, 广州 510006

  • 2.

    仲恺农业工程学院机电工程学院, 广州 510025

基金项目: 

国家自然科学基金资助项目 51775118

国家自然科学基金资助项目 51275096

广东省自然科学基金资助项目 2015A030313491

详细信息
    通讯作者:

    张凤林, E-mail:zhangfl@gdut.com

  • 中图分类号: TG74.3;TQ164.8

Preparation and abrasive wear characteristics of orderly arrayed diamond saw blades

  • 1.

    School of Electromechanical Engineering, Guangdong University of Technology, Guangzhou 510006, China

  • 2.

    College of Mechanical and Electronic Engineering, Zhongkai University of Agriculture and Engineering, Guangzhou 510025, China

More Information

    摘要
  • 摘要: 采用一种新型阵列微孔吸附金刚石多层有序排布法制备了体积分数为20%的多层有序排布金刚石锯片, 对比研究了多层有序排布金刚石锯片和随机分布金刚石锯片在加工罗源红花岗岩时的锯切电流和单颗金刚石磨粒所受的切向锯切力, 对切割加工实验后锯片中金刚石磨粒不同磨损形态进行了观察和统计, 分析了金刚石有序排布对锯片切割性能及金刚石磨粒磨损特征的影响。结果表明, 阵列微孔吸附有序排布金刚石锯片的锯切电流和单颗金刚石磨粒所受的切向锯切力比磨粒随机分布锯片低; 在干切和湿切条件下, 有序排布金刚石锯片的脱落磨粒占总磨粒比率比随机分布金刚石锯片低, 宏观破碎和微破碎磨粒占总磨粒比率比随机分布金刚石锯片高。
    Abstract: The multi-layer orderly arrayed diamond saw blades were prepared by a novel orderly arrayed micro-hole adsorbent method with the grit volume fraction of 20%. Cutting tests of G664 granite were carried out by using the orderly arrayed diamond saw blades and the randomly arrayed saw blades, respectively. The cutting electric current, tangential cutting force of single grit, and wear morphology of diamond grits in the cutting tests were studied and analyzed. The effects of orderly arrayed diamond grits on cutting performance and abrasive wear characteristics were investigated. The results show that, the cutting electric current and single grit tangential cutting force of orderly arrayed diamond saw blades are lower than those of randomly arrayed saw blades. Both in the dry and wet cutting conditions, the abscission particle fraction of diamond grits in total quantity of diamond grits of orderly arraying diamond saw blades is lower than that of randomly arrayed saw blades, and the particle number fraction of diamond grits in micro-fracture and macro-fracture of randomly arrayed saw blades is higher than that of randomly arrayed saw blades.
    • HTML全文

  • 图  1  新型有序排布方法及排布过程示意图

    Figure  1.  Novel orderly arrayed method and arrangement process

    下载: 全尺寸图片 幻灯片

    图  2  金刚石磨粒有序排布锯片照片

    Figure  2.  Orderly arrayed diamond saw blades

    下载: 全尺寸图片 幻灯片

    图  3  干切和湿切条件下锯机电流

    Figure  3.  Electric current in dry and wet cutting

    下载: 全尺寸图片 幻灯片

    图  4  锯片受力示意图

    Figure  4.  Cutting force diagram of the saw blade

    下载: 全尺寸图片 幻灯片

    图  5  单颗磨粒切向力

    Figure  5.  Tangential cutting fore of the single grit

    下载: 全尺寸图片 幻灯片

    图  6  典型磨粒磨损扫面电子显微形貌: (a)完整; (b)微破碎; (c)宏观破碎; (d)磨平; (e)脱落

    Figure  6.  SEM picture of the typical abrasive wear: (a) whole particle morphology; (b) micro-fracture; (c) macro-fracture; (d) polished particle image; (e) abscission particle image

    下载: 全尺寸图片 幻灯片

    图  7  在干切条件下5种不同磨损形式磨粒占总磨粒数量分数

    Figure  7.  Particle number fractions of diamond grits in five abrasive wear types during dry cutting

    下载: 全尺寸图片 幻灯片

    图  8  在湿切条件下5种不同磨损形式磨粒占总磨粒数量分数

    Figure  8.  Particle number fractions of diamond grits in five abrasive wear types during wet cutting

    下载: 全尺寸图片 幻灯片

    表  1  锯切实验工艺参数

    Table  1.   Cutting experiment parameters

    切割方式 转速，ns / (r·min-1) 切深，ap / mm 进给速度，Vf / (m·mm-1) 磨削液
    湿切 1500 15 6.47 水
    干切 1500 15 3.50 无
    下载: 导出CSV

    表  2  锯片中金刚石磨粒平均出刃数目统计表

    Table  2.   Average protrusion amount of diamond grits in saw blades

    切割方式 无序 有序
    干切 29.6 29.9
    湿切 42.6 38.6
    下载: 导出CSV
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  • 收稿日期:  2017-08-17
  • 刊出日期:  2018-04-27

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