Method for manufacturing composite layer skating wheel

Abstract

The invention discloses a method for manufacturing a composite layer skating wheel. The method includes the steps that an inner buckle is manufactured, pretreatment is carried out on the outer surface of the inner buckle, then the inner buckle is placed in the first set of mold, and a first mold cavity is formed between the outer circle surface of the inner buckle and the first set of mold; after preheating and toasting are conducted, liquid polyurethane is injected into the first mold cavity for the first time, and an inner polyurethane damping layer is formed on the outer circle surface of the inner buckle after gel is solidified; the inner buckle is taken out of the mold after demolding and is cut, so that a sprue gate is removed; after pretreatment is carried out on the outer surface of the inner polyurethane damping layer, the inner polyurethane damping layer is placed in the second set of mold, and a second mold cavity is formed between the second set of mold and the inner polyurethane damping layer; after preheating and toasting are carried out, liquid polyurethane is injected into the second mold cavity for the second time, an outer polyurethane wear-proof layer is formed on the outer side of the inner polyurethane damping layer after the gel is solidified, and the inner buckle, the inner polyurethane damping layer and the outer polyurethane wear-proof layer form an integrated rolling wheel body. The outer polyurethane wear-proof layer is combined with the inner polyurethane damping layer and elasticity, wear resistance and road holding are considered at the same time, so that the problems existing in an existing rolling wheel are solved.

Description

technical field [0001] The invention is used in the field of rollers, and in particular relates to a manufacturing method of a composite layered skating wheel. Background technique [0002] In practical application, an ideal roller for skating should have the characteristics of small energy loss and low wear, which is embodied in its elasticity, wear resistance and grip on different grounds. However, conventional rollers for skating such as leisure, speed skating, hockey and skateboard wheels may have good elasticity and shock absorption, but poor wear resistance, or good wear resistance but poor shock absorption. [0003] The speed of skating is related to the elasticity and hardness of the rollers and the roughness of the road surface. A harder wheel slides faster on slippery surfaces, while a softer wheel with less stiffness will glide more smoothly over small road bumps and reduce the skater's energy loss when the surface is rougher. Wheels with high hardness cause gre...

AI Technical Summary

Problems solved by technology

In the drifting movement, in order to enhance the wear resistance of the products currently on the market, the hardness of the roller is relatively high. During the sliding process, the acceleration is not fast enough and the comfort is poor; Ground force; hockey has strong resistance, similar to football, the most important thing in sports is to accelerate the start and stop suddenly, which requires the skate wheel to have high elasticity and deformation grip. Currently, the single-layer structure wheel on the market This requirement cannot be met yet; the elasticity of the current speed skating products is not optimal, so the acceleration is not enough. More importantly, when passing the curve in the speed skating competition, in order not to fall easily, you have to slow down and pass, which greatly affects the competition results ; and in extreme scooter sports, the single-layer structure with relatively high hardness at present has insufficient acceleration, which will affect the subsequent stunt actions, especially when jumping and landing, the cushioning is poor, which will affect the connection of each group of stunt actions sex

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