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技术:选择性激光烧结windform gf 2.0是我们第一代材料windform gf的进化替代品。windform gf 2.0是一种由聚酰胺填充玻璃和铝制成的复合材料,在热性能、机械性能和产品美观性方面都有了改善。就性能而言,windform gf 2.0在hdt(几乎+8%)方面表现出显著的改善,即热变形温度以及拉伸强度和延伸强度值的增加,因此提供了比以前版本更大的延展性,在各种赛车应用和功能主题中都有明显的改善。更大的振动。由于重量较轻,每单位密度具有优良的机械性能。此外,与其他风型产品相比,风型GF 2.0的吸湿性更低。在美学层面上,windform gf 2.0保持并增强了浅灰色和光滑的金属外观,在许多设计和风洞应用中得到赞赏,提供了更加明亮的外观。此外,非常重要的是细节复制的改进,这使得windform gf 2.0特别适用于需要精确和优越的表面定义和即使是最好的细节的出色复制的应用。物超所值。应用:设计和功能美学再现对象、进气歧管(进气和冷却管、进气系统)、液压管(流体温度进一步升高至134°C)、燃油系统和家用电器。表面光洁度:SLS后处理6.0 Ra祄m后处理1.8 Ra祄m Technology: Selective Laser Sintering Windform® GF 2.0 is the evolutionary substitute for Windform GF, our first generation material. Windform® GF 2.0 is a composite material made of polyamide filled with glass and aluminium, which presents an improvement in both the thermal and mechanical properties, and the aesthetics of the product. In terms of performance, Windform® GF 2.0 shows a significant improvement in the HDT (almost +8%), that is, the heat deflection temperature as well as an increase in the values of tensile strength and elongation strength, therefore offering greater ductility than the previous version, appreciable in various racing applications and functions subject to greater vibrations. Excellent mechanical properties per unit of density, thanks to its lighter weight. Windform® GF 2.0, furthermore, shows less moisture absorption than the other Windform products. On an aesthetic level, Windform® GF 2.0 maintains and enhances the light grey colour and glossy metallic appearance, appreciated in many design and wind tunnel applications, offering an even brighter look. Moreover, of great importance, is the improvement in detail reproduction, which makes Windform® GF 2.0 particularly suitable for applications which require accurate and superior surface definition and excellent reproduction of even the finest details. Excellent value for money. Applications: Objects of design and functional aesthetic reproduction, intake manifolds (intake and cooling ducts, air inlet systems), hydraulic ducts (fluid temperature further elevated up to 134°C), fuel systems and household appliances. Surface Finish: After SLS Process 6.0 Ra µm After finishing 1.8 Ra µm |
技术参数 Technical Data | |||
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物理性能 PHYSICAL |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
密度 Density |
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20℃ 20℃ |
1.41 | g/cm³ | |
机械性能 MECHANICAL |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
拉伸模量 Tensile modulus |
4300 | MPa | ISO 527-2 |
per density unit per density unit |
3050 | MPa | |
拉伸强度 tensile strength |
50.6 | MPa | ISO 527-2 |
拉伸应变 Tensile strain |
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断裂 fracture |
4.6 | % | ISO 527-2 |
弯曲模量 Bending modulus |
MPa | ISO 14125 | |
per density unit per density unit |
MPa | ||
弯曲强度 bending strength |
MPa | ISO 14125 | |
per density unit per density unit |
MPa | ||
Ultimate Tensile Strength(per density unit) Ultimate Tensile Strength(per density unit) |
MPa/g/cm³ | ||
冲击性能 IMPACT |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
简支梁缺口冲击强度 Charpy Notched Impact Strength |
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23℃ 23℃ |
kJ/m² | ISO 179 | |
简支梁无缺口冲击强度 Charpy Unnotch Impact strength |
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23℃ 23℃ |
kJ/m² | ISO 179 | |
热性能 THERMAL |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
热变形温度 Hot deformation temperature |
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1.8 MPa,未退火 1.8 MPa, unannealed |
℃ | ASTM D648-B | |
维卡软化温度 Vicat Softening Temp |
℃ | ASTM D1525 2 | |
熔融温度 Melting temperature |
℃ | ISO 11357 | |
电气性能 Electrical performance |
额定值 Nominal Value |
单位 Units |
测试方法 Test Method |
表面电阻率 Surface resistivity |
ohms | ASTM D257 | |
体积电阻率 Volume resistivity |
ohms·cm | ASTM D257 |
备注 |
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1 一般属性:这些不能被视为规格。 |
2 压 力1 (10N) |
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塑料模具提高质量需提升模具热处理技术
2016-06-21 一、热处理与模具质量的关联性 1、模具的制造精度 组织转变不均匀、不彻底及热处理形成的残余应力过大,造成模具在热处理后的加工、装配和模具使用过程中的变形,从而降低模具的精度,甚至报废。 2、模具的强度 热处理工艺制定不当、热处理操作不规范、或热处理设备状态不完好,造成被处理模具强度(硬度)达不到设计要求。 3、模具的工作寿命 热处理造成的组织结构不合理、晶粒度超 |
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