HRS AP109A, Инструкция по эксплуатации, Страница: 19 / 48

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5. Basic outline of crimp operation
General description of the crimp process.
5-1. Configuration and function of crimp contact
(2) Function of each part of crimping contact
① Wire barrel...............
(conductor crimp sec-
tion) U-shaped section of the contact which is compressed around the conductors with a
mechanical force. Configuration and dimensions after the completion are critical for
maintaining mechanical and electrical performance of the contact.
② Insulation barrel....... U-shaped section of the contact which is compressed around the outer insulation of the
wire. Its function is to act as a strain relief, preventing transmission of any pull force on
the wire to the conductor crimp section.
③ Lance.......................
(contact retention tab) Retains the contact in the applicable insulator (socket). Any deformation of the lance
may prevent retention or extraction of the terminated wire from the insulator body (sock-
et).
Note : Some contacts may NOT have lance and be retained in their respective housings
by other means.
④ Bellmouth (flare)....... Critical configuration of the crimp section of the contact whose function is to avoid
breakage of the terminated conductor and assure strength of the crimp.
⑤ Serrations................. Deformations or cross-serrations of the material inside the wire barrel whose function
is to break possible oxidation films on the contact and conductors during the crimping,
thus assuring stable electrical connection.
⑥ Contact section.......... Configuration of the contact which will make electrical and mechanical connection with
the corresponding mating contact.
(1) Configuration of crimp contact
Insulation barrel
Serrations
Contact section
Wire barrel
Bellmouth
Conductor Outer insulation
Lance (retention tab)