living with the lab. Prototyping with Sheet Metal. living with the lab. Fabricating a Name Plate. Today you will make a name plate. Some possible dimensions are shown below – you decide. You will be provided with a 6 inch long piece of sheet metal that is 1 inch wide. 3 in. 2 in. 1 in
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Prototyping with Sheet Metal
Fabricating a Name Plate
Today you will make a name plate. Some possible dimensions are shown below – you decide. You will be provided with a 6 inch long piece of sheet metal that is 1 inch wide.
Tools and Supplies
6 inch piece
of sheet metal
Hand punch (makes holes in sheet metal)
Sheet Metal Brake (bending) and Shear (cutting)
Sheet metal edges are sharp and will cut you (like a knife). Avoid the sharp edges and corners.
Wear safety glasses.
Only one person at a time should use a shearing / bending machine (don’t let one person hold the workpiece and another pull down the handle). Do not remove the safety bar attachment in front of the shearing edge.
Keep hands clear of the hand punch when making holes.
No “horse play” in the lab.
Keep work area clean.
Report any unsafe working conditions and/or practices to the instructor.
Take all common sense precautions. If you have an accident, report it immediately to the instructor.
Lay Out Your Workpiece
Use your ruler and pen to make marks on your workpiece for . . .
Class Structure – The Aim is for ALL to Finish
It will take the longest amount of time to punch your name into the metal. Each group should take turns punching their names. Each group should use only one punch kit (do not share punch kits between groups since the letters will get mixed up).
When the shearing / bending machine becomes available, go over and do your shearing and bending. You can do the shearing / bending first, or you can punch your name first.
There is one hand punch for making holes for every two teams.
Punch Your Name into Plate
Start with the center letter and move to the edges (for centering)
DO NOT punch on the countertops or on your tables – it will damage them. Use the vise anvil.
Two firm strokes of the hammer on the punch creates a visible impression.
Straighten Your Name Plate
The plate will become bent when imprinting your name. Straighten it in the vise when finished.
Shear your Strip
Slowly pull down handle until the shear contacts the metal. Then provide a stronger force to the shear handle to complete the cut.
workpiece under shearing edge
shearing edge in contact with workpiece
guard (do not remove)
Bend Your Strip
Move control handle until your piece is bent to the desired angle.
Punch Rivet Hole #1
Position your name plate and the stand together and tighten up in the vise. Then, punch the first hole (through both pieces). You will need to open the hand punch all the way back open so you can remove the punch.
Install Rivet #1
insert rivet all the
way into gun
Open and close handles repeatedly to draw the mandrel into the rivet. The mandrel will snap off when the two pieces are joined tightly.
you don’t want this part to show
Insert until head is flush with workpiece
blind rivet (pop rivet)
Punch Hole #2 and Install Rivet #2
You can hold the nameplate and stand by hand to punch the second hole. Then install the second rivet as before.
see next slides for applications
Things Made of Sheet Metal: Servo Bracket
Things Made of Sheet Metal: Double Servo Bracket
Things Made of Sheet Metal: Lead Screw With Servo
Things Made of Sheet Metal: A Large Duct
Things Made of Sheet Metal: Airplanes
Things Made of Sheet Metal: Brackets
more complex part
Things Made of Sheet Metal: Various Parts
More Types and Sizes of Rivets