Regular pu castor packing is what kind of? High precision ball bearing special smooth and flexible operation, especially applicable to high-end equipment and quiet environment; High quality dupont engineering plastics manufacturing, the spirit of bearing widely adapt to all kinds of corrosive medium; Elaborate needle roller bearing in under the weight still at ease; To protect the beautiful floor, please use the soft rubber, polyurethane and super artificial iron; In general, formal castor plant is to use carton or pallet to the packing and shipping of castor, marked with obvious marks ( Including the product name castor, manufacturer address, telephone number, etc. ) And prevent industrial casters for damage in transit. And small factory because there is no form or mass production in order to save costs, often using woven bag packaging, there can be no assurance that industrial truckle products are not damaged during the transit. The loose wheel shaft and the nut tightening and check weld or support plate for damage. Overload or crash will lead to distortion. Stent deflects the overloaded pressure distortion on individual round wheels and cause premature failure. If it is lever type caster, should be to tighten the nut or solid rivet and ensure equipment mounting bracket without bending and pole installed correctly. Installing a caster wheel, lock nut or locking washers should be used. / news_82。