1. Selection of the l還要ength of the drum: For goods of different wid子身ths, a drum that is suitable for 購熱the width should be selected訊的. Generally, "transp藍朋ortation +50mm" is used.

2. Selection of the wall 年月thickness and shaft dia鄉嗎meter of the drum: accordin唱水g to the weight of the conv對好eyed material, it is evenly distrib海作uted to the contacting drum, and th河可e required load-bearing capacity of 鐘有each drum is calculated to determine t東師he wall thickness and shaft diameter 都窗of the drum.

4. Select the installation method人森 of the roller: Accord去國ing to the specific requirem裡說ents of the overall conveyor, se花算lect the installation metho可作d of the roller: spring pres商畫s-in type, internal tooth她志 shaft type, full fl匠鄉at tenon type, through shaft pin hol章西e type, etc. For the t說東apered drum of the bendi房場ng machine, the width and taper of t微城he rolling surface dep高為end on the size of the goods and the鐘煙 turning radius.