However, using it can also have some limitations. Cons of Using Delrin Plastic in Rapid Prototypingĭelrin has many advantages. This property can serve as parts of machines such as food processors where external lubricators may contaminate the produce. Parts machined out of Delrin do not, however, need lubrication as they are innately slippery. Moving machine parts usually undergo lubrication to reduce the friction generated when they rub against each other.
Machining Delrin is significantly easier than machining other materials due to this property. Therefore, it won’t lost its shape when machining. ĭimensional stability measures a material’s ability to retain its normal dimensions after undergoing subjection to pressure, temperature, and other conditions during machining. It have very high toughness compared to other polymers, so it can undergo treatment to provide even higher resistance to sudden impact. ĭelrin is able to endure sudden impact without failing. This property makes it a great choice for parts subjected to repeated impact and stress. Its fatigue resistance capabilities are not impacted significantly by moisture, chemicals, or solvents. ĭelrin plastics are exceptionally resistant to fatigue failure from –40° to 80☌. The high strength to weight ratio makes it suitable for parts that need to resist great stress while being light. It is one of the few materials that are exceptionally hard and still retains its toughness. īeing a plastic, Delrin tensile strength of between 7,000 and 9,000 PSI is less dense than metals. Its low moisture absorbance also makes it a great material to keep electrical components dry. The plastic can also withstand large quantities of electrical stress, making it suitable for use as a high voltage insulator. Combined with its excellent mechanical strength, it is a very good material for use in electrical components. ĭelrin has excellent insulating properties. Delrin material satisfies both of these conditions, so it is an extremely suitable material for CNC machining, injection molding and even 3D printing.īelow are some of its important properties.
Since rapid prototyping requires the fast creation of parts, it needs to be done using a material that is stable and has a great machinability rating. VIII Conclusion Delrin’s Properties Ideal in Rapid Prototyping
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