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Moldflow Analysis Report CASE 6k4.2_454042_0323 2005.3. ANALYSIS AIMS. To analysis original design, and check flow,cooling,and warpage. . 1280 mm. Plastic Material Introduction. ASA Luran S 797 G:BASF. 1. Melt Density 0.94527 g/cu.cm

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slide1

Moldflow Analysis Report

CASE 6k4.2_454042_0323

2005.3

slide2

ANALYSIS AIMS

  • To analysis original design, and check flow,cooling,and warpage.

1280mm

slide3

Plastic Material Introduction

ASA Luran S 797 G:BASF

1. Melt Density 0.94527 g/cu.cm

2. Solid Density 1.058 g /cu.cm

3. Ejection Temperature 95 deg.C

4. Recommended Mold Temperature 60 deg.C

5. Recommended Melt Temperature 250 deg.C

6. Absolute Max. Melt Temperature 280 deg.C

7. Melt Temperature Minimum 240.0 deg.C

8. Melt Temperature Maximum 280.0 deg.C

9. Mold Temperature Minimum 40.0 deg.C

10. Mold Temperature Maximum 80.0 deg.C

11. Maximum Shear Rate 50000.00 1/s

12. Maximum Shear Stress 0.3000 MPa

PVTprofile

Viscosity model

slide4

Part Introduction

The thickness of part is balance,the base of thickness is 2.54mm.

slide5

(100 ,390)

(100 ,160)

(100 ,-160)

(100 ,-390)

Feed System Design

1X1 cavities,pin gate, the size is 2.3mm.

slide6

Processing conditions

Filling Conditions :

Mold temperature : 80.00 deg.C

Melt temperature : 280.00 deg.C

Injection time : 1.4 sec

Flow rate: 1920 cm^3/sec

Cooling Conditions:

Coolant Temperature(Cavity) 50 deg.C

Coolant Temperature(Core) 4 deg.C

Packing Profile :

P(MPa)

Packing pressure at 40% Max. injection pressure

49.1

11.4 35.0 t(s)

PRESSURE [MPa] STEP DURATION [sec]

49.1 0.0

49.1 10.0

slide7

Circuit coolant temperature

Circuit coolant temperature of part is shown by picture.

slide8

Temperature (top),part

Top temperature of part is shown by picture.

slide9

Temperature (bottom),part

Bottom temperature of part is imbalance,please increase the cooling at corner of part.

slide10

Fill time

Shown by picture is the filling status,the flow is balance .

slide11

Temperature at flow front

Temperature at flow frontis balance shown by picture,the melt Temp. is 280 degree .

slide12

Air traps

Air traps are show by picture,please attention venting。

slide13

Weld lines

The black lines is the possible weld lines.

slide14

Shear rate

The shear rate is highly,please attention the injection speed.

slide15

Volumetric shrinkage

Volumetric shrinkage is imbalance.

slide17

Injection Pressure & Clamp Force

Max.: 2211.3 ton

Max.: 122.6 MPa

Pressure at injection location

Clamp Force

The Clamp force is bigger,because the Viscosity of material is big.

slide18

Deflection– X direction

Deflection of X direction is bigger.

1.9mm

1.7mm

slide19

Deflection– Y direction

Deflection of Y direction is big.

slide20

Deflection– Z direction

Deflection– Z direction is bigger.

slide21

Summary

The results:

  • The flow status good, the flow is balance,so the pressure of injection and packing is big.
  • The mostly deflection cause by cooling and shrinkage,please attention the cooling and packing to adjust.