57 die casting mold terms - dgmf mold clamps co., ltd

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57 Die Casting Mold Terms
Written By Jasmine
1. What is the pl surface?
pl surface is also called: parting surface, which refers to the part where the front mold and the
rear mold contact when the mold is closed.
2. What is penetration and what is penetration?
The mating surface of the male and female molds parallel to the pl surface is called the bumping
surface, and the mating surface of the male and female molds not parallel to the pl surface is
called the inserting surface.
3. The relationship between the strip and the silk?
Both the bar and the wire are units of length. The bar is in the Taiwanese language, 1 bar =
0.01mm, the wire is in Hong Kong language, 1 wire = 0.01mm, so 1 wire = 1 wire.
4. What is the pillow position?
The plastic parts of the shell are often notched at the edges and are used to install various
accessories. The strong part of the pillow formed here is called the pillow position.
5. What is the crater?
The type of boos column root reduced in plastic reflected on the mold after the volcanic eruption
is called the mold crater.

6. What is gesticulation?
He means Mo Ren, a habitual term in Hong Kong.
7. What is the tiger mouth?
Tiger mouth is also called: tube position, which is used to limit the position.
8. What is the ranking?
The product layout on the mold is called ranking.
9. What is the glue position?
The cavity of the product on the mold is called: glue position.
10. What is the bone position?
The tendon on the product is called: bone position.
11. What is the column position?
The column of the boss on the product is called: column position.
12. What is a virtual position?
The gap on the mold is called: virtual position.
13. What is the deduction?
The hook used for connection on the product is called: buckle.
14. What is the fire pattern?
The patterns left after EDM is called fire patterns.
15. What is copperwork?
EDM usually uses copper materials that are easy to process as discharge electrodes, known as
copperworkers, also known as electrodes. Copperworkers are generally divided into rough work,
rough young work, young work, young work, also called precision work.
16. What is the spark level?
In the discharge process, the discharge gap between the copperworker and the steel material is
called the spark position. The coarse work sparks are generally 15 to 50, and the young work
sparks are generally 5 to 15.
17. What is the material level?
Thickness avoidance of plastic products is also called thick meat.
18. What is the original stay?
Compared with the cutting insert, the original stay is a whole piece of steel as a processing blank,
which is processed together during processing.
19. What are the weld marks?
The line formed by the encounter of two strands of plastic is called a weld mark.
20. What is a jet?
After the plastic enters the cavity from the glue inlet, a flow mark that bends and folds like a
snake is called a jet flow.
21. What does dme mean and what does hasco mean?
For standard parts, dme is made in the US, and hasco is made in Europe.
22. What is a reverse kick?
The part of the product that cannot be demolded directly from the front and back molds

becomes a back button.
23. What is foolproof?
Foolproof is an idiom, which is to prevent a very simple mistake and prevent daze! For example,
an insert has the same size hanging platform on the side of the world, and it is likely that the side
of the world will be reversed during the on-site assembly, but he will use the hanging platform on
the side of the insert. It is impossible to install it, and it is impossible to install the wrong one.
This kind of action to prevent the occurrence of a daze and produce errors becomes a daze.
24. What is a beer machine?
Beer machine is a local idiom, that is, we often say injection molding machine, molding machine.
25. What is a stop?
The stop is the jawline, also known as the ugly line.
26. What is a flying model?
A flying model is a matching model or a standard model.
27. What is a light knife?
The action of CNC finishing is called a light knife, that is, processing in place on the basis of
roughing.
28. What is the open frame?
The action of processing the position of the mold core on the mold base is called opening the
frame.
29. What is anti-huh?
The method of opening the mold by turning the front and back mold material levels upside down
under normal circumstances is called reverse.
30. What is floating?
The method of popping out small inserts in places where there is a reverse button is called
floating.
31. What is the front mold?
When the mold is opened, leaving the product in the front mold is called the pre-eat mold.
32. What is the top white?
When ejecting, the required mold force is large, and the thimble is not strong enough, which
causes the product to be partially damaged. From the front of the product, the obvious white is
the top white, also called the top high nozzle.
33. What is bake printing?
The marks left by the water entry point on the appearance of the control point during.
34. What is the code?
The code is a clamping tool, a cushion block with a triangular inclined open slot.
35. What is overcutting?
Over-cutting refers to the excessive cutting, which means that parts that do not need to be
processed are also processed when processing the workpiece. Over-cutting is not good.
36. What is the revising cup?
The front mold pops out of the mold opening line.

37. What is a tooth?
Tapping. Tapping threads is called a tooth click.
38. When do I need to make a two-color mold?
When a product contains two different materials or different colors of the same material, design
a two-color mold.
39. What is the mold design process of the factory?
Customers provide product diagrams → analyze products → confirm plastic varieties →
confirm mold materials → transfer engineering drawings → multiply and shrink to make
mirror phases → perfect assembly diagrams → mold base → mold core material → draft
→ 3d parting → confirm flow / Gateway → Refer to the layout diagram for structural design
→ Removal of inserts → Correction 3d → Project drawing "Including mold kernel/insert/mold
blank/parts→ make bom table → proofreading review.
40. How to demold?
Smooth and strong.
41. What are the ways of feeding glue?
Direct glue feeding → Lap feeding glue → Side glue → Looping glue → Sheet glue →
Latent type → Point glue → Horn type glue → Fan shape glue.
42. How big is the slope of the slider and how big is the slope of the inclined guide column?
The inclination of the slider is generally 20 degrees, and the inclination of the inclined guide
column is generally 18 degrees.
43. The role of cold feed wells?
The role of the cold feed well is to store a small portion of the plastic material that enters the
mold first and has a relatively low temperature.
44, the role of the positioning ring?
The role of the positioning ring is to ensure that the correct relative position between the mold
and the injection machine is maintained.
45. The relative position of cooperation?
There are three main types of fits: clearance fit, transition fit, and interference fit.
46. What is the role of inserts?
Convenient for processing, preventing carbon deposition, conducive to polishing, saving materials,
helping to exhaust, easy to replace, shrink processing machine.
47. What are the indexes of hardness?
Hardness indicates the ability of a material to resist the pressing of hard objects into its surface.
Commonly used hardness indexes are Brinell hardness, Rockwell hardness, and Vickers hardness.
48. What is the difference between the first angle method and the third angle method?
The first corner drawing method: left view on the right, right view on the left, top view on the
bottom, and so on;
The third triangle drawing: left view on the left, right view on the right, top view on top, and so
on.
49. What are the basic principles of the three views?

The basic principles of the three views are long alignment, flush height, and an equal width.
50. What are the ways to transport water?
Commonly used in water transportation are straight-through, wrap-around, water tower, and
spiral.
51. What is the overflow value?
The overflow value refers to the value of the gap under which the plastic product will overflow
(that is, the running edge). The overflow value of abs is: 0.04mm, the overflow value of pc is:
0.06mm, the overflow of pa The edge value is 0.015mm, the appropriate wall thickness of pom is:
0.04mm, the overflow value of PBT + 15% gr is: 0.03mm, the overflow value of PBT + 30% is:
002mm, and the overflow value of pmma is: 0.065mm, the overflow value of PVC: 0.07mm, the
overflow value of as: 0.05mm, the overflow value of ps: 0.05mm, the overflow value of pp:
0.03mm, the overflow value of pe 0.02mm.
52. What is elastic deformation? What is plastic deformation?
The object deforms under the action of external force. When the external force disappears, the
object can be restored to the deformation before the deformation is called elastic deformation.
When the external force disappears, the object cannot be restored to the deformation before the
deformation is called plastic deformation.
53. What is the role of water transportation?
The role of water transport is to control the temperature of the mold core.
54. What is a pouring system?
The plastic flow channel from the injection machine nozzle to the cavity is called a pouring
system. The pouring system includes the main channel, diverter channel, gate, and cold feed well.
55. What is reverse engineering?
Reverse engineering is the accurate and high-speed scanning of an existing sample or model by a
high-speed 3D laser scanner to obtain its 3D contour data, coordinate reconstruction with reverse
software, and online precision analysis and evaluation of the reconstructed surface The
construction effect and the final generation of iges or stl data can be followed by rapid
prototyping or CNC machining.
56. Frequent defects in plastic parts?
Lack of glue → cloak → bubble → shrinkage → weld mark → black spot → stripes →
warping → layering → peeling
57. What kind of material is used for high mirror polishing?
Commonly used high-hardness heat-treated steel, for example, skd61, 8407, s136

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