Transparent injection molding materials such as PC, PET, and PMMA can be used to produce transparent products that are consistent with the design quickly and can be produced in different transparency parts as needed. The combination of aluminum and steel molds is a widely used rapid prototyping service. With the development of technology, aluminum material is now also used in mold making, which reduces the production cost and improves the production cycle. Molds need to be made before injection molding, and molds are expensive to make and have long lead times, so injection molding is rarely used for one-off prototypes. Injection molding is also known as injection molding, which is an injection-cum-molding molding method. Close to the final product effect.ĭisadvantages: more expensive than other processes. It is also more restrictive to the structure of the part, and for more complex parts, the only option is to disassemble the part and bond it.Īdvantages: high material strength and good performance. But CNC machining is more labor-intensive and time-consuming, and often less economical than SLA. However, CNC machining is more expensive than some processes, and there are no economies of scale.CNC transparent machined parts are more robust than SLA transparent processes and are therefore used in more industries. As with all machined parts, clear machined parts are often more robust than comparable 3D printed parts and therefore have a variety of uses. Other CNC transparent materials are PC, PS, etc. Therefore, acrylic is often used for the production of headlight parts. Machined acrylic surface is also translucent state (light absorbed), and the surface has a knife pattern, after hand grinding and polishing, can reach a high transparent state or even optically transparent state or directions. Acrylic is easy to mill, and CNC machining can achieve good surface roughness while maintaining accuracy. One of the most commonly used transparent CNC materials is acrylic. Through milling and lathe processing, transparent materials are machined from a sheet to the customer’s desired look. CNC machining of transparent partsĬNC machining is one of the most preferred processes for rapid prototyping service providers. Not suitable as a mass production process, poor material, and color options. Transparent 3D printing is often used in the dental and jewelry industries for transparent orthodontic models and aesthetic products.Īdvantages: high timeliness, suitable for making various complex structures, low cost at the hand-printing stage.ĭisadvantages: low strength, fragile, products are translucent after processing and require post-processing to reach full transparency. However, due to the material and process, SLA parts are less strong than parts from other processes and often cannot be used in life as finished products. The biggest advantage of 3D printing transparent parts is the timeliness this process can print a CAD model design into a transparent solid (some degree in translucent contact) in a few hours, with post-processing requiring only the removal of brackets and the removal of burrs. This way the layers are stacked to form a 3D entity. Meaning a laser of a specific wavelength and intensity is focused on the surface of the light-cured material, causing it to solidify sequentially from point to line and from line to surface, completing the drawing of one layer, and then moving the lift table in the vertical direction to the height of one layer, and then curing another layer. Stereolithography stands for “SLA”, which is a three-dimensional light-curing molding method. Flat glass and clear water are examples of optically transparent materials. Such materials are said to be optically transparent not translucent. Diamond, cellophane, Pyrex, and soda-lime glass are said to be popular demonstrations of transparent materials.ĭifferent materials allow most of the light shining on them to be transmitted and hardly reflected. In fact, many liquids are highly transparent due to the absence of molecular structure and defects (voids, cracks). But they may also have a combination of colors, making a brilliant spectrum of each color. Transparent materials have a clear appearance and an overall appearance of the same color. Of course, transparent materials also follow the law of refraction. In most materials, unlike translucent, electrons are not above their available energy level in the visible range, which prevents significant absorption, and certain materials will become transparent. Transparent media includes air, glass, water, and plastics. Transparent material allows light to pass through(light passes fully, not pass partially, or scattered) them.
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