Rubber pad forming rpf is a metalworking process where sheet metal is pressed between a die and a rubber block made of polyurethane under pressure the rubber and sheet metal are driven into the die and conform to its shape forming the part.
Rubber pad forming process pdf.
The rubber die is forced on the blank and deform the blank into require shape.
Up to 60 of all sheet metal parts in aircraft industry such as frames seat parts ribs windows and doors are fabricated using rubber pad forming processes.
The form block height is usually less than 100 mm 2 in the rubber pad forming process an aluminum blank is placed between a die and a rubber pad flexible punch which is held in a container to enclose the flexible punch figure 1a.
The rubber pads can have a general purpose shape like a membrane.
At this stage the flexible punch rubber pad is fixed on the arm of a pressing.
The rubber pad is confined in a steel container.
During the rubber pad forming process the punch deforms the blank and apply large pressure 100 mpa over the blank.
1 where several process steps like forming cutting or embossing can be carried out in one process step.
The die is placed on lower bed and top of that soft die of rubber is placed.
Rubber forming adopts a rubber pad contained in a rigid box in which one of the tools die or punch is replaced by the rubber pad.