To what extent does the semitrailer drum wear to be replaced?

The brake drum wear can not be used at the following points: 1. The inner diameter of the brake drum has reached the scrap size or has not reached the scrap size, but still exceeds the scrap size after boring. 2, brake drum wear has produced cracks. 3, brake drum with taper or roundness error exceeding 155um; 4. The hard spot produced by the change of microstructure of the brake drum due to the braking heat energy. Our main products are: brake drum, wheel hub, brake disc, brake shoe and other domestic, imported automobiles, semi-trailer, full trailer chassis accessories, complete varieties, stable and reliable quality. Contact: manager Lee Mobile phone: 15131910018 Tel: 0319-6505298 Fax: 0319-6505298 Mailbox: lyxyqp@aliyun.com Website: www.xycasping.net Zip code: 055350 No. 12, A3 District, Gucheng Industrial Park, Longyao, Xingtai, Hebei