Roller: 1, the drum can be divided according to the different uses of electric drum and drive roller and so on. 2, the electric motor and the drum is a common reducer installed in the inside of the drum drive means. Depending on the driver's electric drum can be divided into oil-cooled electric drum, air-cooled electric drum, electric drum, and other oil-immersed. 3, the drive roller conveyor major acts in power transmission, power transmission itself does not provide. Depending on the drive roller surface structure can be divided into smooth, plastic bag, plastic and other forms of casting. Roller parameter table: B bandwidth A shaft seat diameter D center distance L shaft length Rolling Model Weight (kg) Drawing No. 500 320 800 600 1310 93 TD1B1 400 104 TD1B2 650 320 960 750 1310 104 TD2B1 400 1312 132 TD2B2 500 165 TD2B3 800 320 1180 950 1312 134 TD3B1 400 1316 211 TD3B2 500 237 TD3B3 630 268 TD3B4 1000 400 1410 1150 1312 191 TD4B2 500 1316 319 TD4B3 630 367 TD4B4 800 445 TD4B5