What is PL surface?
PL surface, also known as: sub-type surface, snap-pull surface, refers to the mold in the closure of the front and rear mold contact mode.
2. What is the touch, what is inserted?
The male and female mold mating surfaces parallel to the PL surface are called contact surfaces, and the male and female mold mating surfaces that are not parallel to the PL surface are called facets.
3 and the relationship between silk?
Article and silk are the length units, the phrase for the Taiwan language, 1 = 0.01mm, silk for the Hong Kong language, a silk = 0.01mm, so a = 1 silk.
What is the pillow?
Shell plastic parts often open the edge of the gap for the installation of various types of accessories, here Zhuangzhuang part of the type known as the pillow position.
What is the crater?
BOOS column root part of the plastic reduction reflected in the type of mold after the volcano eruption shape is called the mold crater.
What do you mean?
Oh refers to the mold kernel, Hong Kong idioms.
7. What is the tiger's mouth?
The tiger's mouth, also known as: pipe position, that is used to limit the part.
What is the ranking?
The product layout on the mold is called a rank.
9. What is rubber position?
Cavity of the product on the mold is called: glue position.
10. What is bone?
Products on the ribs called: bone position.
What is the column?
BOSS product on the column called: column position.
12. What is the virtual bit?
The gap on the mold is called: dummy bit.
13. What is the buckle?
The hooks on the product are called: Buckle.
What is spark pattern?
The pattern left after EDM is called spark pattern.
15. What is copper workers?
Electric spark is usually made of copper electrode easy to process to do discharge electrode, called copper, also known as electrode, copper is generally divided into: rough, rough young workers, young workers, young workers, also known as Seiko.
16. How often is the spark?
Discharge process, the discharge gap between the copper and steel known as the spark, rough sparks generally 15 to 50, the sparks of young workers generally 5 to 15.
17. Level is what?
Plastic products to avoid thick, also known as meat thick.
18. What is the original stay?
The original stay is relative to cut inserts, the original stay is a piece of steel for the processing of billets, processed together processed.
19. weld marks what?
The formation of two plastic lines formed by the line known as welding marks.
20. Jet is what?
Into the plastic into the plastic from the plastic into the cavity after the formation of bending like snake flow marks known as the jet.
21. What does DME mean and what does HASCO mean?
Standard parts standard, DME is American, HASCO is made in Europe.
22. What is the back button?
Parts of the product before and after the mold can not be directly demolished into buckle.
23. What is foolproof?
Foolproof is a kind of idiom, is to prevent a very simple error, to prevent a daze! For example: an insert in the world side do have the same size hanging stage, the scene assembly is likely to put heaven and earth side mounted, but he made a hanging table on the side of the insert, then heaven and earth side anti-suits Not loaded into the, want to install the wrong impossible, this prevents the occurrence of a daze and mistakes into a daze.
What is beer?
Beer machine is a local idiom, that is, we often say that the injection molding machine, molding machine.
25. What is the stop?
Just mouth is clip mouth art line, also known as cover ugly line.
26. What is flying mold?
Flying mold is the model or die.
27. What is the knife?
CNC finishing action known as the knife, which is rough in place on the basis of processing.
28. What is open box?
In the mold embryo processing modest position of the action called open box.
29. what is the opposite?
Under normal circumstances, before and after the mold bits upside down to open the mold called anti-Oh.
What is floated?
Where there is a local buckle with a small insert ejection method known as floating Oh.
31. What is the front model?
When the mold is opened, the product remains in the front mold and is called the front mold.
What is white top?
When ejection, the required mold force is large, and the thimble is not enough to make the product partially wrecked. From the front of the product, there is obvious white for the top white, also called the top high water outlet.
33. What is baking?
Dive into the water point in the point of appearance of the surface traces left as baking.
34. What is the code?
Yards Aberdeen belongs to the clamping tool, a triangular bevel open slot groove pad.
35. What is cut?
Overshoot refers to over-cutting, that is, the processing of the workpiece does not need to be processed part of the processing, over-cutting is not good.
36. What is a school cup?
Former model pop-up mold inner space.
37. Tooth What is it?
Tapping tapping thread is called clatter.
38. When to do two-color mold?
When a product contains two different materials or the same material of different colors, the design of two-color mold forming.
39. Factory mold design process is what?
Customers to provide product drawings → analysis of products → Confirm plastic varieties → confirm the material of the mold → turn the picture → take a picture of the shrinking water → improve the set of drawings → set the embryo → set mold material → draft → 3D parting → determine the runner / Gate way → Refer to the ranking chart for structural design → disassembled pieces → correct 3D → engineering drawing "including: die / insert / mold embryo / parts" → do BOM → proofreading review.
40. Stripping several ways?
Shun off and strong off.
41. Into the plastic approach?
Directly into the plastic → lap into the plastic → side glue → loop into the plastic → sheet into the plastic → latent → point into the plastic → horn into the plastic → fan into the plastic.
42. Slider tilt generally take much, skew column generally take the slope?
The slope of the slider generally take: 20 degrees, the angle of the inclined guide column generally take 18 degrees.
43. cold well role?
The purpose of the cold well is to store the small portion of the plastic material that enters the mold earlier than the temperature.
44. Positioning ring role?
The role of the positioning ring is: to ensure that the mold and the injection machine to maintain the correct relative position.
45. With the relative position?
With the main divided into three categories: clearance fit, transition fit, interference fit.
What is the role of inserts?
Easy processing, to prevent carbon deposition, which will help polishing, material saving, exhaust help, easy to replace, reduce processing machine.
47. What are the indicators of hardness?
Hardness means that the material is resistant to the ability of a hard object to be pressed into its surface. Brinell hardness, Rockwell hardness and Vickers hardness are commonly used indexes of hardness.
48. The first law and the third law difference?
The first corner of the painting: the left view on the right, put the right view on the left, put the top view down, and so on;
The third corner of the painting: the left view on the left, right view on the right, put the top view above, and so on.
49. What is the basic principle of the three views?
The basic principles of the three views are: long alignment, high flush, equal width.
50. What are the ways to transport water?
Commonly used water transport: straight-through, wraparound, water tower, spiral.
51. what is the value of overflow?
Spill value is the plastic product is how much gap will overflow, (that is, running flash) of a value, ABS spill value is: 0.04mm, pc spill value: 0.06mm, pA overflow The edge value is 0.015mm, the suitable wall thickness of POM is 0.04mm, the edge value of PBT + 15% GR is 0.03mm, the edge value of PBT + 30% is 002mm, the edge value of PMMA is: 0.065mm, the overflow edge value of PVC is 0.07mm, the overflow edge value of AS is 0.05mm, the overflow edge value of ps is 0.05mm, the overflow edge value of pp is 0.03mm, the overflow edge value of PE is: 0.02mm.
52. What is the elastic deformation? What is plastic deformation?
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 can not be restored to the deformation before the deformation is called the plastic deformation.
53. What is the role of water transport?
The role of water transport is: control the temperature of mold kernels.
54. What is pouring system?
The plastic flow path from the nozzle of the injection machine to the cavity is called the pouring system. The pouring system consists of the main channel, the runner, the gate and the cold well.
55. What is reverse engineering?
Reverse engineering is a high-speed three-dimensional laser scanner for the existing samples or models of accurate and high-speed scanning to obtain the three-dimensional contour data, with reverse software for the reconstruction of the curve, and reconstructed surface online accuracy analysis, evaluation Constructs the effect, produces IGES or STL data finally, according to the time can carry on rapid prototyping or the CNC numerical control processing.
56 plastic parts often appear flaws?
Lack of plastic → cloak → bubble → shrink → weld marks → black spots → stripes → tilt → stratification → peeling
57 high mirror polishing with what kind of platform?
Commonly used high hardness heat treatment of steel, for example: SKD61, 8407, S136 [Suzhou mold design]