Vacuum forming molds are composed of two types of structures:Description: The desired mold is first designed and then CNC-machined on aluminum sheet.
- High accuracy and precision in manufacturing
- 50% better quality than casting
- Casting (Lead Molding)
Description: The casting structure includes a wooden model and casting. In this method, molten material is poured into the shaped sand to take the shape of the sand mold and eventually a vacuum mold is made.Traditional and common method Less precision than CNCBoth vacuum forming molding methods have their own advantages and disadvantages:Molding using CNC
Advantages:
High precision: As mentioned, precision in molding using CNC machines is very high and is therefore suitable for projects that require precise details.High quality: Due to the higher quality than the casting method, materials with better quality are produced.Repeatability: The ability to produce a large number of parts with the same accuracy.
Disadvantages:
High cost: The cost of manufacturing using CNC machines is usually higher.Time-consuming: Depending on the project, it may take a long time to produce a part.Casting (Lead Molding)
Advantages:
Fast production: Suitable for manufacturing high-volume parts.Lower costs: In continuous and large-scale production, the unit production cost is lower.
Disadvantages:
Lower accuracy: Parts may require heavy working or other modifications.Lower quality: In some cases, the quality of parts may be lower than the CNC method.
Conclusion
Both molding methods have their own advantages and disadvantages. The best method to choose depends on the type of project, budget, and specific production needs. For high-precision and superior quality production, CNC is better, while for high-volume and lower-cost production, the casting method is more suitable.
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