Cleaning Roller - 45# Steel, Hardened Surface Hrc40, Smooth Finish, 15000 Hours Lifespan | Reliable Performance, Precision Engineering, High Durability

With a sole aim in delivering quality products, we are the prominent Exporter, Manufacturer & Supplier of Cleaning Roller in Qingdao, Shandong, China.
Technological requirementsi Wheel body made of 45 # steel, after heat treatment, the hardness of the surface is not less than HRC40i the roller bearing block ash tray, full of grease in the bearing, bearing oil charge amount should be two-thirds of the bearing gap, roller surface smooth, rounded, no crack, defects such as fold,After casting bearing for whole process, the casting surface are not allowed to have a cold, crack, shrinkage cavity and penetrating flaws and serious disability (e.g., owe casting, mechanical damage, etc.), casting the processing surface roughness, sand mold casting R, not more than 50 microns,Castings shall be clean, can not have burr, flash, the processing that poured riser on casting surface should be clean and flush. After assembly sprocket flexible rotation without jamming phenomenon, the overall service time not less than 15000 hours.
Reference standard: JB/Z307-88 a Cutting machining general technologya GB1800-1804-80 a The tolerances of shape and positiona GB9486 a Heat treatment technologya