Pu pu - universal casters international standards

Universal wheel, adjust the foot manufacturers polyurethane universal casters method of use: 1, specify the location of the design of the wheel must be installed in the factory. 2, install the wheels of the scaffold must have sufficient strength, to qualify for use when the weight bearing. 3, the function of the wheel cannot be changed, also not affected by installation. 4, turn shaft must always vertical movement. Must instead of between 5, fixed wheel axle on a straight line. 6, if only using rotary trundle, they must be consistent. 7, if fixed wheels with rotating wheel, so all the wheels must be compatible with each other, and subject to manufacturer's recommended. Polyurethane universal casters international standards and national standards are not the same, so domestic real famous brand is not meet international standards; You should go to those who do export, who may have no fame, some even do OEM, but must be in line with international standards. In addition to the standard is not the same as Europe and the United States.