Clintonmagus has the right idea and being in the bay area a good sheet metal shop should not be hard to find.
Slots in sheet metal how far apart.
These are to be a minimum size of 22 gage x 7 8 inch wide with corrugation wavelength between 0 3 to 0 5 inch and an amplitude of 0 06 to 0 1 inch.
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There are many options for doing this but most will require very expensive industrial machines like a laser cutter.
Instead we recommend using a diamond blade that s rated to cut ferrous metal.
There are five types of anchors noted in the code.
Sheet metal is easy to work with and is popularly used in metal fabrication.
The most complicated part in the sheet metal fabrication process is opening up a slot in the sheet metal.
An angle grinder fitted with an abrasive metal cutting disc works well to cut all kinds of metal including bolts angle iron rebar and even sheet metal.
If you want to do it yourself drill holes for the ends of the slot and cut the space inbetween with a sabre jig saw that has a metal cutting blade3.
The minimum width of a slot is equal to the material thickness or mm when considering sheet metal thickness a single sheet with punches holes is a keep hole and slot diameters at least as large as material thickness.
The minimum distance from a notch to a bend in a parallel plane is eight times the material thickness plus the radius of the bend.
Sheet slots metal prior art date 1881 03 08 legal status the legal status is an assumption and is not a legal conclusion.
My boss is frugal too.
If it s sufficiently far away from the jaw then it s a very simple cut.
If you re cutting 125 steel with a 0625 em try cutting no deeper than 0313 per pass.
Consider these important design tips when creating holes and slots in sheet metal parts.
Corrugated sheet metal anchors sheet metal anchors wire anchors joint reinforcement and adjustable anchors.
A good specialty sheet metal shop will have a punch that is 1 8 by 1 in stock.
If the slot is close to the part edge make a throwaway aluminum jaw to secure in the solid jaw and cut through into that.
Aside from purchasing an iron worker for big bucks does anyone out there know of a way to put a 0 250 x 0 500 ob round slot in 1 8 thick steel with some method of efficiency.
I know all of us are frugal and can find ways to do things on the cheap.