According to the manufacturer of handboard model, the prototype sometimes encounters many changes in the manufacturing process of handboard. For example, due to excessive external force, temperature, natural environment and other factors, the prototype model will crack or deform!

为了防止这种情况，有必要从多方面把握原型模型的裂缝和变形，多方面防范，手板模型发生裂缝大部分是由于內部的应力缝隙超过手板模型的承受能力时，当手板模型产生裂缝，这是一个不能挽救的损害，要尽可能的去防止。手板模型內部的应力会使手板模型受压不匀称，手板模型则会产生变形！
             

In order to prevent this situation, it is necessary to grasp the cracks and deformation of the prototype model from many aspects, and prevent them from happening in many ways. Most of the cracks in the hand board model are due to the internal stress gap exceeding the bearing capacity of the hand board model. When the hand board model has cracks, it is an irreparable damage, which should be prevented as far as possible. The stress inside the model will make the model pressed unevenly, and the model will deform!

在制作手板模型的整个过程中，必 须有经验丰富的手板厂家来更好地解决手板模型的应力和其他导致手板模型变形的因素，并改善手板结构！

In the whole process of making the model, we must have experienced manufacturers to better solve the stress of the model and other factors leading to the deformation of the model, and improve the structure of the model!

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