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山东大学学报 (工学版) ›› 2019, Vol. 49 ›› Issue (3): 103-107.doi: 10.6040/j.issn.1672-3961.0.2018.100

• 机械工程 • 上一篇    下一篇

金刚石圆锯片基体辊压预应力处理工艺参数试验研究

陈晓涛1,2,3(),张进生1,2,3,4,*(),黄波1,2,3,鞠军伟1,2,3,张百年1,2,3,赵佳琦1,2,3   

  1. 1. 山东大学机械工程学院, 山东 济南 250061
    2. 山东省石材工程技术研究中心, 山东 济南 250061
    3. 山东大学高效洁净机械制造教育部重点实验室, 山东 济南 250061
    4. 山东大学海易研究院, 山东 日照 276800
  • 收稿日期:2018-03-09 出版日期:2019-06-20 发布日期:2019-06-27
  • 通讯作者: 张进生 E-mail:569764256@qq.com;zhangjs@sdu.edu.cn
  • 作者简介:陈晓涛(1992—)，男，山东威海人，硕士研究生，主要研究方向为石材制品高效绿色加工技术与装备.E-mail:569764256@qq.com
  • 基金资助:
    山东省泰山产业领军人才工程传统产业创新类项目(tscy20150228)

Experimental study on prestressed process parameters of diamond circular saw roll tensioning

Xiaotao CHEN1,2,3(),Jinsheng ZHANG1,2,3,4,*(),Bo HUANG1,2,3,Junwei JU1,2,3,Bainian ZHANG1,2,3,Jiaqi ZHAO1,2,3   

  1. 1. School of Mechanical Engineering, Shandong University, Jinan 250061, Shandong, China
    2. Stone Engineering Technology Research Center of Shandong Province, Jinan 250061, Shandong, China
    3. Key Laboratory of High-Efficiency and Clean Mechanical Manufacture of Ministry of Education, Shandong University, Jinan 250061, Shandong, China
    4. Haiyi Group Institute, Shandong University, Rizhao 276800, Shandong, China
  • Received:2018-03-09 Online:2019-06-20 Published:2019-06-27
  • Contact: Jinsheng ZHANG E-mail:569764256@qq.com;zhangjs@sdu.edu.cn
  • Supported by:
    山东省泰山产业领军人才工程传统产业创新类项目(tscy20150228)

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摘要：

对典型Φ1650 mm金刚石圆锯片进行预应力处理,采集预应力处理前后锯片基体的轴向变形量,研究预应力施加位置与载荷对适张状态的影响。试验结果表明:预应力施加位置离圆心越远,切向拉应力的效果越明显,锯片的轴向刚性与稳定性增强,锯切过程中锯片基体抑制轴向受载变形的能力提高216%~232%;预应力施加载荷使圆锯片抑制变形的能力提高,若预应力施加载荷过大,预应力处理后锯片整体刚性与稳定性变弱,基体抑制轴向受载变形能力仅提高155%~187%。

关键词: 圆锯片, 预应力处理, 辊压, 工艺参数, 轴向变形

Abstract:

Typical Φ1 650 mm diamond circular saw blade was pretreated by prestressing. The axial deformation of saw blade substrate before and after prestressing treatment was collected to study the effect of prestressing position and load on tensile state. The test results showed that the position of prestress was positively related to the radial distance, and the effect of tangential tensile stress was more obvious. The axial rigidity and stability of saw blades was enhanced, and the ability of saw blade steel core to restrain the axial load-bearing deformation was enhanced by 216%~232%. The prestressing load increased the ability of the circular saw blade to suppress deformation. If the prestressing load was too large, the overall rigidity and stability of the saw blade after the prestressing treatment weakened, and the ability of the matrix to suppress the axial load deformation only increased by 155%~187%.

Key words: circular saw blade, prestress treatment, rolling, technological parameter, axial deformation

中图分类号: 

  • TB553

图1

圆锯片预应力辊压及检测系统"

表1

圆锯片基体材料参数"

密度/(kg·m-3) 弹性模量E/GPa 泊松比μ
7 800 316 0.3

表2

圆锯片基体结构参数"

基体外圆直径Φ/mm 基体厚度/mm 齿数
1 650 6.8 108

图2

Φ 1 650 mm圆锯片基体辊压成品"

图3

圆锯片轴向加载变形检测方式"

图4

预应力位置参数影响轴向变形曲线图"

图5

圆锯片顺切三节点变形数据"

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