水造粒技术汽车制动衬片显气孔率对比试验研究

Comparison Experimental Study on Apparent Porosity of Brake Linings for Car Based on Water Granulating Technology

本文以水为造粒剂,应用造粒技术,通过对相同材料组分、相同生产工艺制备的制动衬片做对比试验,初步证明应用造粒技术后,制动衬片的显气孔率大大提高,在热压过程中,使制品排气较容易,有效减小热压模腔容积,缩短热压时间,提高生产效率,降低制品的固有频率,减小制动噪音发生的可能性。

In this paper, the contrast test has been done on the brake linings that have been made by water granulating technology. As a result, by contrast with the brake linings that have been done at the same material and producing technology, it was preliminary demonstrated that the apparent porosity of the brake linings that have been made by the granulating technology could be enhanced greatly, so on the hot-pressing process, products exhausting has been easy, the die cavity volume could be decreased, the hot-pressing time could been shorten, the production efficiency could be enhanced, the natural frequency of the braking lining could be reduced, the possibility of the braking noise could be decreased.