By the application of the section heat vulcanization improvement technique in prediction of breaking of steel core belt, put forward averal improvment measures of repairing technique. 通过局部热硫修补改进技术在预防钢丝绳芯断带事故的应用,提出修补技术的几项改进措施。
With regard to mechanical properties, heat resistance, fuel resistance and shelf life of ECO-compounds as well as material cost, the lead free and ETU free vulcanization system for ECO was developed and improved by means of combinations of special but commercially available chemicals. 通过使用特殊的商业化的材料,可使氯醚混炼胶的物理机械性能、耐热老化性、耐燃油性能、贮存稳定性及成本均达到或超过含铅硫化体系的氯醚混炼胶。
Many factors are considered in the software, such as the non consistancy of tire materials, the anisotropy of heat conductivity in rubber composite, the accompanying reactive heat build up of rubber during tire vulcanization and the real temperature rising history of tire during vulcanization. 该软件考虑了轮胎材料的非均质性、橡胶基复合材料传热性能的各向异性、轮胎硫化时橡胶材料伴有的反应生热以及轮胎硫化的实际加温历程。
The Heat Vulcanization Gelatinization Joint Technology of Coal Handling Belt 输煤皮带热硫化胶接工艺
Analysis of heat transfer during tire vulcanization 轮胎硫化中的传热分析
The results showed that the rubber with Cu manifested lower abrasion coefficient, Cu accelerated the heat ageing course of the researched rubber, and XPS analysis proved the vulcanization is dominated by the iron addition. 结果表明:氟醚橡胶中加入铜粉后,摩擦系数大幅度降低,但铜粉的加入加速了胶料老化速度;XPS分析表明:铜粉使氟醚橡胶的硫化交联以离子加成的方式为主。
Application of heat vulcanization bonding and prospect of cold vulcanization bonding in rush recovery of conveying belt 硫化热粘法在输送带中的应用及冷粘法的前景分析
The application of the section heat vulcanization improvement technique in prediction of breaking of steel core belt 局部热硫改进技术在预防钢丝绳芯断带事故中的应用
The heat transfer during the tire vulcanization was analyzed based on the heat transfer principle, the advantages of multi stage vulcanization were pointed out, and the effect of the heat diffusivity on the curing state of rubber and the effective factors on the heat diffusivity were investigated. 应用传热学原理研究分析了轮胎硫化过程中的热传递,指出了分段硫化的优点,并探讨了热扩散系数对橡胶硫化程度的影响以及影响热扩散系数的因素。
( 4) The variable temperature vulcanization is discussed. The beginning temperature is higher to improve heat transfer and temperature and shorten vulcanization time, while the later cooling can also improve vulcanization uniformity and equipment utilization rate. 对变温硫化工艺进行了探讨,开始温度较高可强化传热,温升较快,能缩短硫化时间;后期降温又可改善硫化均匀性,提高设备利用率。