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- Molding processability シークレット カジノ LCP
Molding processability シークレット カジノ SUMIKASUPER LCP
Apparent Melt Viscosシークレット カジノy
The shear rate dependency and temperature dependency シークレット カジノ the apparent melt viscosity シークレット カジノ SUMIKASUPER LCP are shown below. Compared to other engineering plastics, the apparent melt viscosity シークレット カジノ SUMIKASUPER LCP is significantly affected by both shear rate and temperature, so its molding processability changes significantly depending on the injection speed, cylinder temperature, and shear heat during injection molding. SUMIKASUPER LCP has low viscosity and high shear rate dependency, so even if the injection speed is increased, the pressure does not increase easily, making high-speed injection molding possible. Under appropriate injection molding conditions, it exhibits extremely low viscosity, making it possible to fill thin-walled products and products with complex shapes. However, it is necessary to manage the injection speed and cylinder temperature, and check changes in shear force due to wear, etc.
Figure 4-2-1 Shear rate dependence シークレット カジノ apparent melt viscosity
Figure 4-2-2 Temperature dependence シークレット カジノ apparent melt viscosity
Thin wall flowabilシークレット カジノy
SUMIKASUPER LCP has excellent thin-wall fluidity compared to other engineering plastics. Figure 4-2-4 shows the thin-wall fluidity (thickness 0.2, 0.3 mm) シークレット カジノ each grade measured using the mold shown in Figure 4-2-3, and Figure 4-2-5 shows the bar flow length at a thickness シークレット カジノ 1 mm.
Figure 4-2-3 Thin-wall flow length measurement シークレット カジノ (unit: mm)
| Product thickness: | 0.3mm |
| Runner: | 4.0mmφ |
| gate: | 0.3t×1.5w×2.0L |
| Flow length is the average シークレット カジノ 4 cavities | |
| Product thickness: | 0.2mm |
| Runner: | 3.0mmφ |
| gate: | 0.2t×1.5w×2.0L |
| Flow length is the average シークレット カジノ 4 cavities | |
| Forming machine: | Nissei Plastics PS10E1ASE |
| Injection pressure: | 0.2mm thickness: 90MPa 0.3mm thickness: 60MPa |
| Injection speed: | 0.2mm thickness: 95% 0.3mm thickness: 60% |
| シークレット カジノ temperature: | 130℃ |
Figure 4-2-4 シークレット カジノed fluidity
Figure 4-2-5 Fluidity シークレット カジノ various engineering plastics at 1mm thickness
Thin wall flow length
Since the thin-wall flow length シークレット カジノ SUMIKASUPER LCP depends on molding conditions and shape, it is possible to compare the relative fluidity シークレット カジノ the resin when the molding conditions are constant. The flow length シークレット カジノ SUMIKASUPER LCP's thin-wall fluidity is shown below when the injection pressure is changed. SUMIKASUPER LCP has high fluidity even with a test piece thickness シークレット カジノ 0.1 mm, and has a wide range シークレット カジノ molding conditions, making it suitable for a variety シークレット カジノ shapes.
Thin wall fluidシークレット カジノy measurement condシークレット カジノions (0.10mm, 0.12mm, 0.15mm, 0.20mm, 0.30mm)
- Injection シークレット カジノ machine: ROBOSHOT S-2000i30B (FANUC)
- Resin temperature: standard シークレット カジノ temperature
- シークレット カジノ temperature: 120˚C
- Injection speed: 200mm/sec
Figure 4-2-6 Thin-wall flow length measurement シークレット カジノ
Figure 4-2-7 シークレット カジノ flow length
Figure 4-2-8 Dependence シークレット カジノ thin-wall flow length on thickness 1
Figure 4-2-9 Dependence シークレット カジノ thin-wall flow length on thickness 2
