Plastic processing proverb summary

The plastic processing proverbs are summarized as follows:

Weld Line
(Commonly known as: water-grain; other names: clip line, engraved) Defines the traces caused by the incomplete fusion of the world's surface when the two streams meet during the injection molding process.
Shrink marks (common name: shrinking; other names: none)
definition
When the plastic parts are cooled and solidified in the cavity, the plastic parts are recessed due to uneven wall thickness, insufficient injection pressure, insufficient cooling time, and the like.
Technical term: None (common name: gas pattern; other name: none)
definition
Due to the injection mold structure, molding process and materials, etc., the plastic is affected by the pressure and the flow velocity in the cavity and the flow traces are generated on the surface of the plastic part.
Technical term: None (common name: material flower; other name: flushing)
definition
Silver-white stripes formed on the surface of plastic parts by low molecular weight volatiles, moisture, etc.
White seal (common name: white; other names: white, white, high)
The plastic part is defined to be partially subjected to external pressure, so that part of the molecular structure is rearranged or broken, causing partial whitening of the surface of the plastic part.
Technical term: None (common name: surface protrusion; other names: top height, convex height, drag height)
It is defined that the plastic part is partially raised due to the out-of-mold or the thimble and the top plate acting on the surface of the plastic part.
Cracking (commonly known as: blasting; other names; broken buckles, cracking)
Defining cracks on the surface or inside of plastic parts that are locally affected by pressure, external forces or environmental influences.
Mottled dots (common name: black dots; other names: spots, grams, stamps)
Defining the spot formed on the surface of the plastic part after the plastic part is formed due to the foreign matter being mixed into the foreign material or the local temperature is too high during the molding process.
Technical term: None (common name: die mark; other names: mold flower, stamp, mold injury)
Define the traces left on the surface of the injection mold due to scratches and bumps.
Flash (commonly known as: pedigree; other names: edge edge of the edge of the pedestal hole, etc.)
Defining the plastic injection process, the plastic overflows into the joint surface of the injection mold and the joint between the inserts, leaving the excess on the plastic parts after cooling.
Poor glue (common name: lack of glue; other names: none)
Defining the plastic parts to be partially dissatisfied, did not meet the design requirements.
Uneven color (common name: mixed color; other names: none)
Defining the defect of uneven color on the surface of plastic parts.
Warpage (commonly known as: deformation; other names: none)
Defining the local or overall deformation of the plastic part caused by internal stress.
Layering (common name: layering; other names: peeling)
Define defects in separation between layers.
Hole plug (common name: plug hole; other name: blind hole)
Define the hole position of the plastic part due to the cloak or broken needle to cause the hole to block more than 50%.
Bubbles (commonly known as: bubbles; other: blistering, bubble)
Defines a bubble-like defect formed by the residual air or other gas inside or on the surface of the plastic part.
Color does not match (common name: color difference; other names: color depth / light, poor gloss)
Defining the color and gloss of plastic parts does not match the standard board.
Technical term: None (common name: multi-glue; other names: none)
Define the plastic part of the plastic part due to the lack of molding surface of the injection mold.
Technical term: None (common name: burnt; other names: burnt yellow, burnt black)
Defining the burning of the plastic material due to poor local exhaustion of the injection mold, or the burning of the plastic material; or due to the high shear rate of the rubber during the flow, it will form a burnt shape.
Technical term: None (common name: fish scales; other names: none)
Defines the fish scale pattern formed on the plastic part due to the low mold temperature and low speed of the gel.
Technical term: None (common name: glue; other name: offset)
The definition is due to the high temperature of the nozzle and the large back pressure, which causes the thread-like rubber to be pulled out during the mold release, and is attached to the cavity, and the wire is formed on the surface of the product during the production of the beer.
Technical term: None (common name: sticking mold; other name: viscose)
The definition is due to the large injection pressure and small drafting angle, which causes the plastic parts to be partially broken and left in the injection mold when the mold is released.
Technical term: None (common name: watermark leakage; other names: none)
The definition of water leakage in the injection mold water channel, etc., the formation of water droplets in the injection mold, the water traces are not removed, the traces formed on the surface of the plastic parts when the beer is produced.
Technical term: None (common name: ghosting; other names: none)
The definition is due to the low injection temperature, the plastic parts are not saturated, the product is deformed, etc., and the light and shadow overlap occurs during the light transmission test.
Technical term: None (common name: break; other names: none)
Definition refers to the unevenness of the surface after the fitting is matched.
Technical term: none (common name: from seam; other name: none)
Definition refers to the distance between the fittings after fitting (excluding the design process tank)
Technical term: None (common name: white point; other name: white mark)
Defining white spots or white marks formed on the surface of plastic parts due to poor quality of the toner, being ejected when the film is left in the thimble, and metal in the raw material.
Technical term: None (common name: large size; other names: long size)
The definition of the plastic injection, the pressure retention time is short, the raw material shrinkage rate is inconsistent, etc., causing the plastic parts to be larger than the required size.
Technical term: None (common name: small size; other names: short size)
The definition is due to the small pressure of the injection glue, the short pressure holding time, and the inconsistent shrinkage rate of the raw materials, resulting in the size ratio of the plastic parts.
Technical term: None (common name: poor assembly; other names: try tight/loose, tight/loose, noisy)
In the definition of each component, there are problems of large size and small size, which cause tightness, looseness, noise, etc. during trial assembly. Such problems are collectively referred to as poor assembly.
Technical term: None (common name: pillar explosion; other names: none)
Define the screw column to burst or become violent when the screw is being screwed.
Technical term: None (common name: slippery; other names: none)
It is defined that the screw is not tightened when the screw is tightened according to the specified torque.
Pulling hair (common name: tow flower; other names: none)
Defines the matte, depth-free trace of the surface of the plastic part due to slight mechanical friction.

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