Wing rollers are replacement parts common to European-designed track mounted crushers and other small processing equipment. Customers are able to replace separate segments of the roller set including the rollers and center stands. 翼型托辊是欧洲设计的履带式破碎机和其他小型加工设备通用的替换零件。客户可以更换托辊组的单独部分，包括托辊和中心支架。

Garland roller comprises either 3-roller or 5-roller joined together at the ends of their respective shafts by special lugs, to form a continuous 'chain' of roller. On either end of this 'chain', the shafts are connected to an attachment bracket which enables the roller set to be attached to the conveyor stringer structures. 串辊由三节托辊或五节托辊组成，并通过连接片把各个托辊轴的端部连接在一起，形成一个连续的“链条”。

When the position of belt is changed from its center line on the same plane,the self-aligning roller can correct this condition.There are three types of self-aligning idler:blocking roller、friction roller and taper self-aligning roller.They are used both carrier and return section.

When the position of belt is changed from its center line on the same plane,the self-aligning roller can correct this condition.There are three types of self-aligning idler:blocking roller、friction roller and taper self-aligning roller.They are used both carrier and return section.