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This type of notched bend allows the cutout to be closer to the bend than the minimum bend on that material type/thickness.
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Practical Examples of How Notches Can Be Used But the bend has been notched in that particular area, giving the cutout more room, thus eliminating any stretching.īelow I have put together some practical examples of the use of notching to solve design problems. The diagram below shows a cutout placed so close to a bend, such that you’d expect the cutout to be stretched out and flared. Simple Notching for Cutouts Close to Bends Note that if we didn’t need to fit the fan, we could have simply notched out the corner top of the bend to allow the cutout to fit properly, and left most of the flange intact.
CUTOUT AREA IN ZONE SPRINT LAYOUT FULL
You’ll see how we solved both problems in the video by notching away the full flange width. Secondly, the first approach didn’t allow room for the fan itself. First, we have a fan cutout that is too close to the bend line, and as you’ll see in the video, bending causes the cutout to flare and stretch. In this video, we actually are solving two problems. We’ve made a short video to illustrate the stretching problem and how notching can address it. This blog post will explain notches and instances in which they are best used to solve design problems. This problem can be easily averted by using notches to leave your cutout in perfect form. Once flared or stretched, the cutout will likely not be within tolerance, which in turn will cause the part to not bend properly, not to mention the fact that your component won’t fit within the cutout. The problem is if you simply violate our minimum bend rule and place your cutout close to the bend, your cutout may stretch or flare. For example, you may require openings for access to an internal component, or your design may need clear access to connectors through front panel cutouts. However, there are some instances where, in order to accomplish your design goals, it becomes necessary that you violate our simple rule of thumb, and place a cutout closer to a bend. By using the minimum bend dimension value for your minimum closeness of cutout to a bend, you will ensure you don’t run into any issues. 275”, then your cutouts must be no closer than. For example, if you are using 14 gauge Stainless Steel (A240 TP304 2B) and opt for a minimum bend of. Whatever minimum bend value you choose for your design, you must then make sure your cutouts are at least that same value from the bend. Refer to our Material Bend Radii and Minimum Bend Size Chart for this value. This value is driven by the material type, thickness and tooling used to bend or bend radius required. I often get asked by customers how far a cutout should be from a bend.
CUTOUT AREA IN ZONE SPRINT LAYOUT HOW TO
However, I thought it was imperative that I go deeper into the subject of minimum bend radii – focusing specifically on issues of cutouts close to a bend, and how to work around bending constraints. I touched on the topic of metal bending and bend radii in my last blog post, Design 101.