2022年09月17日 20:43
A prototype is a functional, not final version of a product or service that businesses can use for testing, to solicit feedback, and to introduce to investors before officially launching to a wider market.
What is another word for prototype?
model pattern
archetype paradigm
exemplar original
standard style
precedent form
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Building a prototype allows you to measure data about your product you otherwise wouldn't of been able to get. It allows you to correct any issues, see what works what doesn't, to give the flexibility to make any major changes before final production.
In layman's terms, injection molding boils down to four simple steps:
Melt material.
Inject the molten material into a mold.
Let the molten material cool to a solid-state.
Remove the hardened material from the mold.
The disadvantages of injection molding
Start-up costs are high. Since custom tooling must be created for each injection molded part, initial start-up costs are high and this isn't economical for low-volume production runs. ...
Initial lead times are long. ...
Design changes are expensive.
Clamping
The first step of the injection molding process is clamping. Injection molds are typically made in two, clamshell-style pieces. In the clamping phase, the two metal plates of the mold are pushed up against each other in a machine press..
It is easier to make changes to the design using a 3D printer as CAD software is involved and this method can also be employed to support more complicated designs. However, injection moulding can be a quicker process overall, especially if multiple copies of the same product or design are required.
Properties of Injection Moulding Materials
Moulding Materials Max Temp Chemical resistance
Nylon 93 – 177℃ Good to excellent
High density Polyethylene (HDPE) 120℃ Good to excellent
Low density Polyethylene (LDPE) 65 – 90℃ Good to excellent
Polycarbonate (PC) 288 – 316℃ Poor to fail
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3D printing has given engineers the power to create plastic designs at their desks and bring them to life in a matter of hours. Injection molding, on the other hand, is the go-to for quality and value. It is commonly used to quickly and reliably produce high-volume runs of complex plastic designs.
Since plastic products created using injection moulding are generally smaller and more intricate than those created by rotomoulding, there is naturally a higher investment of time and labour involved in creating them, which can ultimately increase the cost.
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