1.Rubber tire purchasing: we purchase the famous rubber tire brands: Cheng Shin and INNOVA.
2.Incoming inspection: physical checking including yellowing,damage and deformation etc.
3.Air fills: Air fill the rubber tires until the bead width is 30%-50% bigger than that of the standard.
4.Conservatory baking: store the air filled tires for 24 hours in the conservatory under the temperature of 50-60 degree .
5. PU Foam filled tire moulds: during the adjustment and intallation process, it is important to make sure the bead width of moulds and the concentricity of upper and lower moulds.
6. PU Tire moulds: it is nessossary to make sure the tread is correct during the clearance and installation process.
7. After the first inspection is qualified, we proceed the pu foaming production. During the productioin process,the production data is detected and recorded every 30mins, and the quality of the products is checked regularly to ensure it meet the requirements. Whenever the raw material is replaced, it is necessary to dig a filling tire to detect the center hardness of the PU.
8. The finished product needs to be trimmed, and self-check to confirm whether the appearance of the product meets the quality requirements. After confirming the quality, it is necessary to brand the production batch code, so that each product can be traced.
9,For the tires needed to be delivered,the finished product inspection will be carried out after 48 hours of standing. For foam filled tires,the bead width,tire width will be inspected. For PU tires,the diameter,tire width,surface hardness and appearance will be inspected; After the quality is confirmed, we can clean and pack the goods.
10,Finally, the rubber-filled tires are produced.
