Cushion for engine suspension system and preparation method thereof
An engine mount and cushion technology, applied in the cushion field, can solve the problems of large cab vibration, short starting time, poor vibration isolation effect, etc., and achieve excellent anti-fatigue performance, excellent durability and long service life. Effect
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[0023] Example 1:
[0024] This example provides a cushion for an engine suspension system. The rubber components of the cushion include: 60-80 parts by mass of natural rubber, 20-40 parts of butadiene rubber, and 5-8 parts of inorganic active agent. Parts, organic active agent 1-3 parts, paraffin wax 1-3 parts, antioxidant A2-3 parts, antioxidant B1-1.5 parts, heat stabilizer 1-2 parts, anti-fatigue agent 1-3 parts, silane coupling agent 1-2 parts, 5-10 parts of white reinforcing material, 10-30 parts of fast-pressing reinforcing material, 30-40 parts of semi-reinforcing material, 5-10 parts of softener, 1.5-2.0 parts of vulcanizing agent, vulcanization aid 1-2 parts.
[0025] The soft cushion of the engine suspension system prepared by using the components of this example and their mass parts ratio has excellent durability and excellent heat-resistant oxygen aging performance, and excellent fatigue resistance under dynamic conditions.
[0026] The heat stabilizer in this example ...
Example Embodiment
[0037] Example 2:
[0038] This example provides a method for preparing the soft pad described in Example 1, including the following steps:
[0039] In the mastication step, put the natural rubber in the internal mixer for 5-7 minutes, pass it through 2-3 times in the open mixer, and park for more than 4 hours;
[0040] In the mixing step, put the weighed raw rubber into the internal mixer together, pressurize for 2-3 minutes, put in small materials and press for 1-2 minutes, put in large materials and press for 2-3 minutes , Put in the softener (oil) and pressurize for 2-3 minutes, discharge the glue, open the mill for 10-12 mm and park for more than 4 hours; among them, the temperature of the internal mixer is maintained at 130℃-140℃;
[0041] In the vulcanization step, the rubber compound obtained in the mixing step is put into the internal mixer to pressurize and soften for 2~3 minutes, and the rubber material from the internal mixer is put into the open mixer with a roll distance...
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