Journal of Shandong University(Engineering Science) ›› 2019, Vol. 49 ›› Issue (3): 103-107.doi: 10.6040/j.issn.1672-3961.0.2018.100

• Mechanical Engineering • Previous Articles     Next Articles

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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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

CLC Number: 

  • TB553

Fig.1

Prestressed roll pressure and detection system of circular saw blade"

Table 1

Parameters of the circular saw blade material"

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

Table 2

Structure size parameters of circular saw blade"

基体外圆直径Φ/mm 基体厚度/mm 齿数
1 650 6.8 108

Fig.2

Φ 1 650 mm circular saw blade base rolled product"

Fig.3

Detection method of axial loading deformation of circular saw blade"

Fig.4

Curves of prestress position parameters influence on axial deformation curve"

Fig.5

Three node deformation data of circular saw blade"

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