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Crimping Presentation
Crimping Presentation
Crimping Presentation
Crimping Presentation
Crimping Presentation
Crimping Presentation
Crimping Presentation
Crimping Presentation
Crimping Presentation
Crimping Presentation
Crimping Presentation
Crimping Presentation
Crimping Presentation
Crimping Presentation
Crimping Presentation
Crimping Presentation
Crimping Presentation
Crimping Presentation
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Crimping Presentation

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Training course prepared on wire crimping

Training course prepared on wire crimping

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  • 1. CRIMPING A guide to good crimping practices & procedures .
  • 2. WHAT IS A CRIMP ? <ul><li>Crimping is a process where a cable is stripped, & the strands of wire are placed into a metal terminal. The terminal is then squeezed around the wire strands to ensure that : </li></ul><ul><li>A : the wire is securely held by the terminal </li></ul><ul><li>B : there is good electrical contact between the terminal & the wire . </li></ul>
  • 3. CRIMPING – WHY CRIMP ? <ul><li>It is quick </li></ul><ul><li>It is cheap </li></ul><ul><li>It is durable & reliable if done properly </li></ul><ul><li>It does not need any extra material </li></ul><ul><li>It produces good electrical contact between a wire & a terminal . </li></ul>
  • 4. CRIMPING AGENDA <ul><li>Wire stripping </li></ul><ul><li>Features of a good crimp </li></ul><ul><li>Crimping details </li></ul><ul><li>Pull testing, crimping of marriages </li></ul><ul><li>Crimp measurement </li></ul><ul><li>Crimped wire / terminals </li></ul><ul><li>Crimping tool </li></ul><ul><li>Crimp & terminal faults – terminal checks . </li></ul>
  • 5. Wire stripping (1/2) <ul><li>The stripping blades are too loose : the insulation is torn, instead of cut </li></ul><ul><li>The stripping blades are too close together : the strands are scratched/cut or missing . </li></ul>
  • 6. Wire stripping (2/2) <ul><li>The stripping blades are out of alignment </li></ul><ul><li>Good stripping . </li></ul>
  • 7. Features of a good crimp (1/2) Copper wings Insulation wings
  • 8. Features of a good crimp (2/2) 'F' crimp Wrap around crimp
  • 9. Crimping details Copper crimp Ins. crimp
  • 10. Pull testing
  • 11. Crimping of marriages <ul><li>For wires of different sizes, the smaller wire should be on the bottom of the crimp </li></ul><ul><li>For wires of equal size, the wires may be side by side or top & bottom </li></ul><ul><li>When pull testing marriages, only the smaller wire should be held in the machine & the specification for the smaller wire only should be used . </li></ul>
  • 12. Crimp measurement Insulation test 4 bends
  • 13. Crimped wire
  • 14. End to end terminals - tab
  • 15. Crimping tool Hammer Anvil
  • 16. Terminal checks (1/3)
  • 17. Terminal checks (2/3)
  • 18. Terminal checks (3/3)

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