| Development of Rubber Buffer |
| Received:March 07, 2020 Revised:March 07, 2020 |
| DOI：10.12136/j.issn.1000-890X.2021.03.0202 |
| Key Words: rubber buffer；CR；accelerator；vulcanization process；mould structure |
| Author Name | Affiliation | E-mail | | SUN Junping | CRRC Qingdao Sifang Rolling Stock Research Institute Co. ，Ltd | sunjunping.ss@crrcgc.cc | | ZHANG Zuoxin* | CRRC Qingdao Sifang Rolling Stock Research Institute Co. ，Ltd | 352734125@qq.com | | ZHU Penggang | CRRC Qingdao Sifang Rolling Stock Research Institute Co. ，Ltd | | | LI Nan | CRRC Qingdao Sifang Rolling Stock Research Institute Co. ，Ltd， | | | CHI Zhouxun | CRRC Qingdao Sifang Rolling Stock Research Institute Co. ，Ltd | |
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| Abstract: |
| The development of rubber buffer was introduced.According to the analysis of rubber buffer failure part and requirements of product performance，chloroprene rubber（CR） was selected as the main material of the compound and N，N，N′-trimethylthiourea as accelerator.By optimizing the vulcanization process and mould structure，the problems of product pit drawing，edge burst on parting surface and melting mark were solved.The performance of the rubber buffer met the requirements，and this product had been put into mass production. |
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