Common Causes of Rivet Installation Failure
Problem
Description
Cause
Solution
Mandrel not broken
- Material thickness too small
- Soft material
- Oversized or irregular hole
- Incorrect tip on installation tool
- Check effective grip range of fastener
- Check for fastener suitability and adjust grip range
- Ensure hole size is correct and clean
- Ensure the correct size and style tip is utilised
Part of mandrel protruding
- Damaged or bent mandrel
- Soft material
- Oversized or irregular hole
- Incorrect anvil on installation tool
- Check effective grip range of fastener
- Check for fastener suitability and adjust grip range
- Ensure hole size is correct and clean
- Ensure the correct size and style tip is utilised
Rivet head not retained
- Oversized or irregular hole
- Insufficient stroke
- Overgrip fastener used
- Check effective grip range of fastener
- Ensure hole size is correct and clean
- Ensure tooling is capable of installing the fastener (beware work hardening stainless steel)
- Ensure the correct size and style tip is utilised
Mandrel breaks mid-length
- Overstroked installation
- Oversized hole with excessive stroke
- Irregular hole
- Overgrip fastener used
- Check effective grip range of fastener
- Ensure tooling is capable of installing the fastener (beware work hardening stainless steel)
- Ensure the correct size and style tip is utilised
Lack of clamping on materials
- Incorrect anvil on installationÂ
tool
- Check effective grip range of fastener
- Ensure hole size is correct and clean
Common Causes of Rivet Installation Failure
Problem
Description
Cause
Solution
Mandrel not broken
- Material thickness too small
- Soft material
- Oversized or irregular hole
- Incorrect tip on installation tool
- Check effective grip range of fastener
- Check for fastener suitability and adjust grip range
- Ensure hole size is correct and clean
- Ensure the correct size and style tip is utilised
Part of mandrel protruding
- Damaged or bent mandrel
- Soft material
- Oversized or irregular hole
- Incorrect anvil on installation tool
- Check effective grip range of fastener
- Check for fastener suitability and adjust grip range
- Ensure hole size is correct and clean
- Ensure the correct size and style tip is utilised
Rivet head not retained
- Oversized or irregular hole
- Insufficient stroke
- Overgrip fastener used
- Check effective grip range of fastener
- Ensure hole size is correct and clean
- Ensure tooling is capable of installing the fastener (beware work hardening stainless steel)
- Ensure the correct size and style tip is utilised
Mandrel breaks mid-length
- Overstroked installation
- Oversized hole with excessive stroke
- Irregular hole
- Overgrip fastener used
- Check effective grip range of fastener
- Ensure tooling is capable of installing the fastener (beware work hardening stainless steel)
- Ensure the correct size and style tip is utilised
Lack of clamping on materials
- Incorrect anvil on installationÂ
tool
- Check effective grip range of fastener
- Ensure hole size is correct and clean