Causes of the most frequent defects - blind rivets

 

Defect

Defect description

Defect causes

Nail completely outside the bushing Nail completely outside the bushing Thicknesses smaller than specified
Plastic material
 Hole larger than specified
Hole with burrs
Inappropriate nozzle
Part of the nail outside Part of the nail outside Thicknesses smaller than specified
Plastic material
Hole larger than specified
Hole with burrs
Inappropriate nozzle
Head not retained Head not retained Thicknesses larger than specified
Hole with burrs
Nail does not break in the correct point  Nail does not break in the correct point Thicknesses larger than specified

Rivet does not tighten correctly Rivet does not tighten correctly Thicknesses smaller than specified
Hole larger than specified
Hole with burrs