搪塑工艺介绍.ppt

文档介绍：搪塑工艺流程图 Slush process diagram PVC 搪塑工艺特点(一) The peculiarity of the PVC slush process I PVC 搪塑工艺特点(一) The peculiarity of the PVC slush process I PVC Slush 手感 Feeling ++ 造型 Styling ++ 成本 Cost +++ 工艺过程控制 Process control ++ 机械性能 Mechanical Properties + 散发特性/气味 Emissions/Smell -?可设计形状复杂的产品,非常小的弧度,较深的倒角 Produce plex shape product ,very small radian , deep undercut ?PVC 材料成本低 Low PVC material cost ?工艺过程控制简单稳定,工艺控制成本低,模具清洗成本低,对工艺的影响因素较少。 Simple and stable process control, low process control cost,low tool cleaning cost, less factor affect the process. ?在线搪塑模光泽可控制 On-line slush shell gloss controllable 单位 Unit 标准按VW TL52296 Standard PVC 表层厚度 Skin thickness mm - 断裂强度 Tensile strength MPa ≥10 14 断裂延伸率 Elongation % ≥250 320 肖氏硬度 Hardness Shore A 75±5 72 摩擦性能 abrasion properties ≥4 4-5 物理性能(以Polo为例) Physical PropertiesPVC 搪塑工艺特点(二) The peculiarity of the PVC slush process II PVC 搪塑工艺特点(二) The peculiarity of the PVC slush process II 步骤 1:表皮包覆模 Leather or textured foil covered master model 步骤 2:阴模 1# Silicone negative model #1 with supporting shell 步骤 3&4 :主模型及皮纹修正、客户认可 Mother model corrected and engraved including customer sign off 步骤 5:阴模 2# Silicone negative model #2 with supporting shell 步骤 6:电镀型芯模 Bath master 步骤 7:电镀镍壳模 Electro deposition nickel shell 步骤 8:镍壳模表面处理 Nickel shell surface treatment 搪塑模制造工艺简介 Slush Shell Manufacture Process Brief Introduction 搪塑模制造工艺简介 Slush Shell Manufacture Process Brief Introduction 步骤 1:表皮包覆模 Leather or textured foil covered master model 步骤 1:表皮包覆模 Leather or textured foil covered master model 步骤: 1、包覆模型制造按照产品 CAD 数据,并计算包覆模型的材料收缩率和产品材料的收缩率,预留包覆表皮的厚度,制造包覆模型(见图 I) 2、表皮包覆将客户认可的表皮,按照客户要求的皮纹方向将表皮包覆在包覆模型上。(见图II) 3、客户对表皮包覆模进行确认图I图 II 步骤 2:阴模 1# Silicone negative model #1 with supporting shell 步骤 2:阴模 1# Silicone negative model #1 with supporting shell 步骤: 1、框架制造 2、从表皮包覆模复制出硅氧胶阴模 1#,带拼缝线(图III) 图 III 步骤 3&4 :主模型及皮纹修正、客户认可 Mother model corrected and engraved including customer sign off 步骤 3&4 :主模型及皮纹修正、客户认可 Mother model co