电线端子压接模具的应用技术.ppt

* 60 60 Review List the inspection criteria for a quality crimp with open barrel terminals. * 61 61 Review: Finished Crimp - open barrel Wire strands visible at contact end of wire barrel Wire strands and insulation visible anywhere between wire barrel and insulation barrel Bellmouth visible at wire end of wire barrel Cut off tabs visible Wire barrel must be uniform and seam must be closed There must be no wire strands missing or trapped in the wire barrel seam There must not be excessive flashing on underside of wire barrel. The terminal must be straight and there must be no damage to the body or contact area of the terminal * 59 59 Review Components listed * 57 57 A Winning Hand Quality trained personnel using the proper terminals, tooling, and wire with the correct documentation will produce quality terminations * 16 16 16 16 16 Causes of Bad Crimps Bad Stripping will result in bad crimps. Cut and nicked strands reduce the current carrying capacity of the wire. Uneven or tapered strip results in insulation in the wire barrel which reduces the contact area between the terminal and the wire * 17 17 17 17 17 Terminals “Terminal” refers to the connector to be applied at end of the wire. Definition: an electrically conductive item designed to be attached to a circuit or device for convenience in making electrical connections. * 18 18 18 18 Types of Terminals Which of these terminals are: Open barrel Closed barrel Side feed End feed Strip Loose piece What are the names of these terminals? * 20 20 20 20 Parts of a Terminal: Open Barrel Wire barrel: makes the electrical connection and most of the mechanical connection between the wire and the terminal Contact end: mates to other half of connection or terminal block Insulation support: when the wire is bent, this moves the stress point to where the insulation gives added protection * 21 21 21 21 Parts of a Terminal: Closed Barrel Same parts but for closed barrel Wire barre