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Production quality parts without the tooling investment.
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Article
Injection molding tolerances are acceptable variations in size for part features and overall dimensions. They are expressed as plus or minus (±) values in millimeters or inches and vary by the type of material that’s used and the overall size of the part. Part designers add tolerances to CAD files to tell an injection molder […]
Article
I’ve been through the gauntlet of prototyping, design, and manufacturing a few times. I started out fixing other people’s designs with a hand file, and I’ve also designed involute gears for a low-precision injection mold. Thanks to this breadth of experience, I was able to create a simple cheat sheet for making quick manufacturing decisions […]
Article
Note: This article is based on a previously published version by Sylvia Wu and has been updated to reflect Fictiv’s current capabilities, as well as 2022 innovations. When designing a product for the consumer market, industrial usage, or aerospace industry, how the product looks, feels, and functions is critical. Color, material and finish (CMF) are […]
Article
With modern, incredible advances in computer-aided design tools available to more people these days, there is no limit to what can be designed. As products get more complicated, machining them can get complicated also. Bringing a design to life can require machinery with incredible capabilities to make advanced designs a reality. CNC machining allows for […]
Article
Tolerances — the amount of acceptable variation from a design for a part to still function — are an integral part of any engineering design process. There are many books, courses, training seminars, companies, and even professions devoted to tolerances/geometric dimensioning and tolerancing (GD&T). Tolerances help us, as engineers, ensure our products are manufactured so […]
Article
Plastics are widely used in a range of applications due to their low cost, low weight, ease of processing, and a wide variety of material properties. However, most commodity and engineering plastics do not handle high temperatures very well. However, there is a group of plastics that not only have excellent thermal resistance but also […]
Article
The Challenge: Undercuts and Lower Volumes Undercuts are recesses or projections on the surface of an injection molded part that prevent the part’s direct removal from the mold cavity. If the undercut is external, then a device called a slider can be used. If the undercut is internal, then a device called a lifter can […]
Article
Stainless steel, a corrosion-resistant iron-chromium alloy, is one of the most common and versatile metal alloys in the world. It’s strong, environmentally resilient, visually appealing, affordable, and has properties that are hard to come by in other metals. It is a green material due to its near-infinite recyclability. From the surface of the latest kitchen […]
Article
Injection molding undercuts are part features that can complicate or prevent the release of injection molded parts. Examples include indentations such as side holes, vents, or slots, and protrusions such as screw threads, snaps, or latches. Often, part features like these are found in consumer electronics, automotive, and medical products. Undercuts support design complexity, but […]
Article
Surface roughness, also known as surface finish or surface texture, is a critical feature that can distinguish a rough looking prototype from a polished finished product. In this article, we’ll explain what surface roughness is, how it’s measured, and identify some typical finishes to showcase what can be accomplished with CNC machining, and when post-processing […]
