1 setting of technical parameters of injection molding process
The injection molding pressure parameter is set to 1. 1
1.2 Injection molding flow parameter setting
1.3 Injection molding temperature parameter setting
1.4 setting of injection molding time parameters
1.5 Injection position parameter setting
2 Causes of defects in injection molding products
2. 1 Electrical part of injection molding machine
2.2 Mechanical transmission part of injection molding machine
2.3 Hydraulic system of injection molding machine
2.4 Injection molding process parameters
3 Common defects of injection molded products and their solutions
Case 1 The surface is baked and printed.
Case 2 Surface flow marks
Case 3 Wire clamping near screw hole
Case 4 air particles
Case 5 Surface Printing
Case 6 Light and shadow
Case 7 Fusion Line
Case 8 exposure
Case 9 Drawing Die
Case 10 door ink washing
Case 1 1 surface pit
Case 12 atomization
Case 13 U-shaped water clamp line
Case 14 trapped gas burns white
Case 15: Drag injury at glue inlet.
Case 16 combustion
Case 17, the position is easily broken.
Case 18 The screw column is easy to break during mold opening.
Case 19 The screw column is easily broken.
Case 20 Weld Line/Shrinkage
Case 2 1 Fracture
Case 22 Air particles
Case 23 Insufficient filling (lack of glue)
Situation 24: The position of the water hole is in the front.
Case 25 thimble print is obvious
Case 26 trapped gas combustion
Case 27 Surface clamping, less glue in inner column
Case 28 The lens length is too long.
Case 29 Side water pinch line at hole position
Case 30 Difficult adjustment of trapped gas
Case 3 1 deformation
Drawing die for the bottom of watch case 32
Case 33 Wire Clamping
Case 34 Pull-off Deformation of Buckle Position
Case 35 Air particles
Rub inlet ring of house 36
Case 37 surface light and shadow and stripe drag injury
Case 38 The screw hole size becomes larger.
Case 39 Direction Arrow Air Mode
Case 40 Surface Black Shadow Line (Fusion Line)
Case 4 1 The lamp hole is trapped by air and white spots.
Case 42 Wire Clamping
Case 43 Surface Squeeze Marks
Case 44 Punching Mark
Case 45 Air particles
Case 46 Combustion/Wire Pinch/Top Height
Case 47: Feeling trapped
Case 48 Wire Clamping
Case 49 Surface Squeeze Marks
Case 50: Fastening and Die Sticking
Shell 5 1 buckle position certification front
Case 52 deduction
Case 53 Trapped natural gas fracture
Case 54 The water level of the nozzle is white.
Case 55 scorching
Case 56 Bone Deformation
Case 57 Bending deformation of column position
Case 58 Delamination and Surface Stripping
Case 59 Small nozzle often dies.
Case 60 Air particles
Case 6 1 glass fiber exposure
Case 62 Surface Black Spot
Case 63 scorching
Case 64 The water injection needle is often broken.
Case 65 Drag the bone position upward
Case 66 Top White (1)
Case 67 Top White (2)
There are various glues (on the front) on the side of the chassis 68.
Case 69 has an uneven surface
Case 70: Bone position is white.
Case 7 1 air flow pattern at nozzle position (1)
Case 72: Airflow Pattern at Nozzle Position (2)
Case 73: There are bubbles and lack of glue at the glue inlet.
Case 74 Surface elevation
Case 75 Whiteness (1)
Case 76 Whiteness (2)
Case 77 battery frame nozzle drag injury
Case 78: Top height next to the nozzle position of chassis bottom shell
Case 79: Abrasion of the front cavity of the mold.
Case 80 Deformation
Case 8 1 hard rubber indentation
Case 82 Line Towing/Burning
Case 83 Product size is not
Case 84 Surface Dirty
Case 85 Water Separator Line
Case 86 Warping deformation
Case 87 Burr
Case 88 Sticking Die
Case 89 Wire Clamping and Deformation
Case 90 Horizontal Deformation of Nozzle
Case 9 1 dome pin tapping (multi-glue)
Case 92 Baking and Printing at Glue Entry Position
Case 93 Shuikou rubber powder pulling
Case 94 Internal strain (1)
Case 95 Inner Strain (2)
Case 96 Surface Flow Pattern
Case 97 Deformation
Case 98 Ejection deformation on both sides
Case 99 Appearance color difference
Case 100 The joint of logistics is easy to break.