Extruded Tapped Hole Sheet Metal

They are used in thin materials.

Extruded tapped hole sheet metal.

Tap fix screws for extruded holes in light gauge steel this article provides tap fix hole size recommendations for metals using light gauge punched extruded materials. Avoid large sheet metal parts with small bent flanges. Extruded holes very close to the part edge can lead to sheet metal deformation or tearing. Extrusions our commonly used to accept sheet metal screws or permit tapping into a deeper distance than just the material thickness.

Creating an extruded hole using a punching process requires extreme pressure force. The minimum distance from an extruded hole to a bend is three times the material thickness plus the bend radius. Therefore the minimum distance between the extruded hole to edge if maintained. Design for manufacturability sheet metal guidelines bends for the ease of manufacturing multiple bends on the same plane should occur in the same direction.

Extruded tapped hole u nuts push the workpiece material downward to create a tapped hole. Performance in extruded holes is slightly higher than in drilled holes. Prepunched or extruded holes on the sheet are threaded through a coordinated rotation of the turret press autoindex station and ram stroke. The tooling produces a full range of threaded holes in.

Extruded hole to part edge b 3t d 2. Avoid large sheet metal parts with small bent flanges. The following illustration shows the extruded hole geometry. First prevailing off torque is an indication of locking torque and resistance to vibrational loosening and is favorably high for extrude tite screws in thin sheet metal.