| Finite Element Analysis of Rotating Cutter for Rubber Slab Feeder |
| Received:November 01, 2019 Revised:November 01, 2019 |
| DOI：10.12136/j.issn.1000-890X.2020.04.0307 |
| Key Words: rubber slab feeder；rotating cutter；blade；breaking strength；installation deflection angle；edge width；finite element analysis |
| Author Name | Affiliation | E-mail | | YANG Zhao* | Qingdao MESNAC Machinery and Electric Engineering Co,Ltd | qust2013@126.com | | TENG Yijian | Nantong Rainbow Heavy Machineries Co,Ltd | |
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| Abstract: |
| Based on the finite element analysis method，the strength of the rotating cutter blade for the rubber slab feeder of the mixer upper auxiliary system was analyzed，and the structure design and material selection of the rotating cutter blade were optimized according to the analysis results. The results showed that the traditional mechanical breaking strength（Pb） theory was not suitable for the cutting process of the rotating cutter for the rubber slab feeder. When the shear force（F2）was fixed，the stress of the rotating cutter blade could be lowered by reducing the installation deflection angle or increasing the edge width（W） of the blade，and thus the cracking of the blade was reduced and the service life of the blade was extended. At the same time，the manufacturing cost of the blade could be reduced by replacing the material and heat treatment method. Under the condition of certain F2 and Pb，properly increasing W could reduce the sharpening frequency and maintenance cost of the rubber slab feeder. |
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