重慶金葉子公司:幼兒園教具玩具、幼兒園塑料組合滑梯、幼兒園滑滑梯、幼兒園塑料玩具、幼兒園室外大型玩具、幼兒園教學設備、幼教玩具、大型玩具、兒童滑梯、兒童玩具。 塑料滑梯滾塑工藝 Roll-plastic
滾塑一種熱塑性塑料中空成型方法。即先將粉狀或糊狀或單體物料注入模內，通過對模具的加熱和雙軸滾動旋轉，使物料借自身重力作用均勻地布滿模具內腔并且熔融.待冷卻后脫模而得中空制品。滾塑的轉速不高。產品幾乎無內應力，不易發生變形，凹陷等缺點。
Roll-plastic a thermoplastic plastic hollow molding method. The first will powder or paste or monomer material injection mould, through to the mold of heating and dual axle rolling rotation.make the material by its own gravity evenly in the mould cavity and full of melting, wait for after cooling and stripping hollow products. Rol-plastic speed is not high.the product almost no stress, not easy the distortion。sag shortcomings.
吹塑(blow moulding)
塑料組合滑梯吹塑工藝(blow moulding)也稱中空吹塑，一種發展迅速的塑料加工方法。熱塑性樹脂經擠出或注射成型得到的管狀塑料型坯，趁熱(或加熱到軟化狀態)，置于對開模中，閉模后立即在型坯內通入壓縮空氣，使塑料型坯吹脹而緊貼在模具內壁上，經冷卻脫模，即得到各 種中空制品。
Blow molding.blow moulding) also called hollow blow molding, a rapid development of the plastic processing method. Thermoplastic resin of the extrusion and injection molding get tubular billet plastic type, serve hot (or heated to soften the state), off in the mould.immediately after the dosed modules in type ventilation with compressed air in the billets, make plastic type billet huff and dung to die on the wall, the cooling patterns, namely get all sorts of hollow products. |
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