Sheet Metal Bridge Lance

If i understand you correctly you re trying to create a flat pattern drawing of a sheet metal part and the part has a bridge lance as a feature.

Sheet metal bridge lance.

This application is commonly used to hook adjustable shelving or to hang parts. I have found cbliss site that has great predetermined features. But don t know how i would make this on my own. The forming tool model may be located and rotated for precise positioning.

I downloaded the lance bridge. Where emi rfi containment within the cage is important i typcally opt for the double bridge lance. Avoid large sheet metal parts with small bent flanges. The minimum distance between two counterbores is eight times the material thickness.

Unlike the u channels discussed in part iii the hem has only one bend instead of two. This application is commonly used to hook adjustable shelving or to hang parts. As represented in figure 7b the forming tool model is drag dropped from its folder onto a face of the sheet metal part. Makes it real easy to design with.

Lance t ool f u lance tool c minimum p1 θ1 b c h a notes. In sheet metal there are two departures. Lance and form is used to cut all but one side of the shape and to form the material downward. If you re like me your bridge lance feature is a forming tool.

I ve used each extensively. Tools with heavy duty die spring assemblies cannot be used in an octo machine. I have my sheet metal house s tool library. Bridge lance tooling x y z lance t 1062754 40 0 090 0 433 form up lance mat thk 024 0 100 0 500 066 form up lance 0 100 0 571 form up lance t 122671 10 0.

Forming tools do not flatten like flanges do. For example if i m trying to make this in a new sheet metal plate with some random dimens. When you download it you get two files one ide and one ipt file. In low carbon steel sheet metal the minimum radius of a bend should be one half the material thickness or 0 80 mm 0 03 inch whichever is larger counterbores.

So i downloaded the file to my ifeatures folder then copied the ide to the catalog folder in the root install location. Hello guys i m learning about sheet metal features and i m trying to create my own lance bridge. As mentioned above what s called the double bridge lance style and the formed or wiped up double wall typically with flared ends. Like show 1 like 1.

Steve calvert chika co on jul 7 2017 2 30 pm. When placing an order or requesting a quote please provide a drawing of the part.