Moldflow Solutions for Custom & Trade Molders
Imtech have analysed injection moulded parts for many and varied applications over the years and every mold tool has its own design with its own unique features. Therefore, every mold tool presents its own specific challenges to engineers and designers and this is where our Moldflow service can help uncover the hidden problem areas before the tool is commissioned and on the shop floor.
The production of injection molded parts is a complex process where, without the
right combination of material, part and mold design and processing parameters, a multitude of manufacturing defects can occur, thus incurring high costs.
Stack Molds
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Moldflow capability includes conventional injection moulding, Over-molding, Insert-molding, In-mold labeling, Gas-assist molding and includes an extensive database covering commodity materials to fibre filled engineered thermoplastics.
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Smart Packaging
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Our simulation tool kit includes
Moldflow
MPi
mould filling, cooling, holding phase, part warpage and shrinkage analysis. Gas injection, fibre orientation and core shift options are also available. A simulation highlights most quality problems including: - high fill pressure, short shots, weld lines, gas traps, high gate shear, poor cooling, long cycle times and distortion.
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Capability:
- Fill time
- Injection pressure
- Pressure at transfer
- Melt-front temperature
- Bulk temperature
- Weld lines
- Air traps
- Shear rate / Shear stress
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- Volumetric shrinkage
- Pressures
- Temperatures
- Velocity
- Freeze times
- Accurate clamp force prediction
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- Cavity surface temperature distribution
- Distribution of temperature differences across opposite surfaces of the cavity
- Distribution of average plastic temperature at ejection time
- Distribution of maximum plastic temperature at ejection time
- Relative position of the peak temperature at ejection time
- Distribution of frozen layer thickness
- Temperature profile through thickness for each cavity element
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- Surface temperature distribution on both sides of inserts and
parting planes
- Distribution of temperature difference across insert and joint line surfaces
- Temperature of mold external surfaces and surface of cooling circuits
- Pressure drop along each cooling circuit
- Variation in coolant temperature through each cooling circuit
- Flow rate in each cooling circuit
- Reynolds number in each cooling circuit
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-Total deformation
-Deflection in the X-, Y-, and Z-directions
-Deflection history at any node
-Deflected component shape with exaggeration factor
-Buckling mode shape
-Elemental parallel and perpendicular shrinkage
-Elemental principal residual stress
-Elemental Mises-Hencky stresses
-Elemental maximum shear stress
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