LOADING EFFECT OF TIRE GRIP COEFFICIENT, WITHOUT PATTERN CEMENT ON TRACK WHEN WET AND DRY CONDITIONSududNurwahid Y, Pramuko IP.,Ir.,M.T, Bibit Sugito Ir.,MT.udMechanical Engineering University of Muhammadiyah SurakartaudJl. A. Yani TromolPos I Pabelan, Kartasuraudemail : yuliantonurwahid6@gmail.comudududABSTRACTIONudThis study aims to determine the effect of loading on coefficient of tire grip on the cement track. This study uses artificial compound and compound the market as a comparison. The composition of the artificial compound consists of a mixture of raw rubber with chemicals that have not been vulcanized. Rubber used is natural rubber and synthetic rubber SBR RSS, while the chemicals used are plasticizers, fillers (fillers), anti-oxidants, accelerators, and other chemicals.udIn the artificial compound rubber mixing with chemicals is done by using a two-roll mixing with ± temperature of 55C. The mixing process begins mix of natural and synthetic rubber so that it blends and soft, then mix the chemicals to converge ± 30 minutes. The next process of vulcanization by using a mold-pressed part to a temperature of 160C for 15 minutes.udBased on the results of tests performed, the amount of load that is used greatly affect the grip coefficient of the tire. Tests on artificial compound with dry conditions resulted grip coefficient of 0.665 load of 10kg, 13kg load 0.551, 0.531 15kg load, wet conditions resulted in 0,407 load 10kg, 13kg load 0.357, 0.334 15kg load. While in the market compound dry conditions produce a grip coefficient of 0.709 load 10kg, 13kg load 0.599, 0.572 load of 15kg and wet conditions resulted in 0.443 load 10kg, 13kg load 0.365, 0.340 15kg load. In testing the artificial compound shore A value of 68.333 and compounding market value of 60.udKeywords: compound, loading, cement track, coefficient of grip
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机译：湿抓式和干式条件下轮胎抓力系数的加载效果（无胶结剂） ud udNurwahid Y，Pramuko IP。，IR。，M.T，Bibit Sugito Ir。，MT。 ud穆罕默迪亚·苏拉卡塔大学机械工程大学 udJl。 A. Yani TromolPos I，Kartasura的Pabelan udemail：yuliantonurwahid6@gmail.com ud ud udABSTRACTION ud这项研究旨在确定载荷对水泥路面上轮胎抓地系数的影响。本研究使用人造复合材料与复合市场进行比较。人造化合物的组成由生橡胶和尚未硫化的化学物质的混合物组成。使用的橡胶是天然橡胶和合成橡胶SBR RSS，而使用的化学物质是增塑剂，填充剂（填充剂），抗氧化剂，促进剂和其他化学物质。 ud在人造复合橡胶中，与化学物质的混合是通过两辊进行的在±55℃的温度下混合。混合过程开始于天然橡胶和合成橡胶的混合，使其混合并变软，然后将化学药品混合至30分钟。接下来的硫化过程是通过使用模压零件在160°C的温度下保持15分钟。 ud基于执行的测试结果，所使用的负载量会极大地影响轮胎的抓地力系数。在干燥条件下对人造化合物进行的测试得出抓地力系数为0.665（10kg负载），13kg（0.551）负载，0.531 15kg（负载），潮湿条件下0,407负载（10kg），13kg负载（0.357），0.334 15kg负载。在市场上，复合干燥条件下的抓地力系数为：10kg负载为0.709，13kg负载为0.599，0.572负载为15kg，潮湿条件下的抓握系数为0.443，10kg负载，13kg负载0.365，0.340负载15kg。在测试人造复合材料肖氏硬度A值为68.333和复合市场价值为60. ud关键字：化合物，荷载，水泥轨道，抓地系数
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