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| 全钢载重子午线轮胎垫胶4条挤出工艺问题原因分析及解决措施 |
| Cause Analysis and Corresponding Solution for Four Pads Extrusion Process Problems of All-steel Truck and Bus Radial Tire |
| Received:April 27, 2023 Revised:April 27, 2023 |
| DOI：10.12135/j.issn.1006-8171.2024.06.0370 |
| 中文关键词: 全钢载重子午线轮胎；垫胶；挤出机；口型；预口型 |
| 英文关键词: all-steel truck and bus radial tire；pad；extruder；die；pre die |
| 基金项目: |
| 中图分类号: |
| Author Name | Affiliation | E-mail | | LI Guangting* | shandongwandabaotongluntaiyouxiangongsi | rik104@163.com | | LI Ming | shandongwandabaotongluntaiyouxiangongsi | | | LIU Yong | shandongwandabaotongluntaiyouxiangongsi | | | WANG Sanni | shandongwandabaotongluntaiyouxiangongsi | | | ZHAO Shuxia | shandongwandabaotongluntaiyouxiangongsi | | | GOU Zengliang | shandongwandabaotongluntaiyouxiangongsi | |
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| 中文摘要: |
| 分析全钢载重子午线轮胎垫胶由2条挤出变为4条挤出产生的工艺问题，并提出相应的解决措施。通过采取改造口型板、预口型及调整胶料配方适当减小垫胶粘性等措施，解决了挤出垫胶破边、宽度不一致和粘连等问题，大幅提高了垫胶半成品的尺寸合格率和生产效率，降低了轮胎生产成本和水电消耗。 |
| 英文摘要: |
| 全钢载重子午线轮胎垫胶四条挤出,效率大大提高,能耗也相应降低,但是容易出现垫胶边部黏连,垫胶撕不开,垫胶挤出压力不足或不稳,垫胶尺寸不稳等问题。从垫胶挤出生产的跟踪实验分析这些问题的原因,提出预口型和口型的调整的解决措施。提高半部件垫胶的尺寸合格率。
The extrusion of four rubber pads for all steel radial truck tires greatly improves efficiency and reduces energy consumption. However, it is prone to problems such as adhesive adhesion at the edge of the pad, The causes for 4 pads extrusion process problems made by the change from 2 pads extrusion process for all-steel truck and bus radial tire were analyzed，and the corresponding solutions were proposed.By adopting measures such as modifying the die plate and pre die，and adjusting the formula to appropriately reduce the viscosity of the pad compound，the problems of edge breakage，inconsistent width，and adhesion of the extruded pads were solved，greatly improving the size qualification rate and production efficiency of the semi-finished pad，reducing tire production costs，and water and electricity consumption. |
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