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OPTIMIZATION OF CURE CYCLE TIME OF A BIAS TRUCK LUG TYRE BY STUDYING THE CURE EQUIVAL


Posted by: seminar-database
Created at: Sunday 29th of May 2011 10:10:27 PM
Last Edited Or Replied at :Sunday 29th of May 2011 10:10:27 PM
truck tyre hot water bladder material , curing cycle of bias tyre of trucks, thermocouple tire cure , tire curing electrical heating, principles of tyre thermocoupling , principle of tyre thermocoupling, heat engg principles for rubber , sulhur to accelerator ratio, cure equivalant in thermocouple study in tyre , convectional efficient semi efficient curing rubber, process of curing tire with steam and hot water , type of cross links in tire, curring cycle of tyre , cure optimisation of tyre, conventional cure cycle semi efficient , conventional efficient semi efficient vulcanization system, thermocouple study for tire curing ,
ty of the accelerator. These cross-links can be anything between mono-sulphidic to poly-sulphidic.

Fig 2.2
Different cure systems and cross link type
Earlier S was commonly used at about 8phr, this compound vulcanized in about 4hrs at 140oC. But in modern compounds require only 2 –3phr of S to form an elastic vulcanizate product. Depending upon the S level there are three cure systems – conventional (CV), efficient (EV) & Semi efficient (Semi EV).
Conventional System (CV): - In the case of compounds, which contain high proportion of sulfur (1.5 – 3phr), the network formed will..................[:=> Show Contents <=:]



OPTIMIZATION OF CURE CYCLE TIME OF A BIAS TRUCK LUG TYRE BY STUDYING THE CURE EQUIVAL


Posted by: seminar-database
Created at: Sunday 29th of May 2011 10:10:27 PM
Last Edited Or Replied at :Sunday 29th of May 2011 10:10:27 PM
truck tyre hot water bladder material, curing cycle of bias tyre of trucks , thermocouple tire cure, tire curing electrical heating , principles of tyre thermocoupling, principle of tyre thermocoupling , heat engg principles for rubber, sulhur to accelerator ratio , cure equivalant in thermocouple study in tyre, convectional efficient semi efficient curing rubber , process of curing tire with steam and hot water, type of cross links in tire , curring cycle of tyre, cure optimisation of tyre , conventional cure cycle semi efficient, conventional efficient semi efficient vulcanization system , thermocouple study for tire curing,
rmal stability lying between EV and CV system. Sulphur donors are used to replace part of the S used in normal S cured system to produce Semi EV.

Cross link type CV(%) EV(%) SemiEV(%)
Poly sulphides 65 0 40
Di sulphides 25 25 25
Mono sulphides 10 75 35


Figure 2.3
The above figure is the schematic representation of the effect of curing time on the distribution of crosslinks in an accelerator – sulphur compound. The poly sulphidic cross links initially formed, break down to form more cross links containing smaller units of sulphur. Thus form a new network structure in the compr..................[:=> Show Contents <=:]



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