Anyone can make a tool to crimp terminals onto a wire. But not everyone can manufacture a tool to crimp the terminals properly. Crimping isn’t easy. Minimally, doing it right isn’t easy. In TE Connectivity they know it. They started with it. TE Connectivity developed the technology of hand crimping over 70 years ago.
This is an archive article published 08/02/2018. Some information may no longer be up to date and in line with the current state. Please contact us in case of interest.
The Secret of Successful Crimping.
Among the many factors that are critical in producing a quality crimp, matching the terminal to the tooling is crucial. TE Connectivity offers engineered solutions that are designed to match the exact crimp geometry of the terminal to be applied on the wire. To create a proper crimp you need to follow these important steps:
1. Wire Selection
- Just because two wires are listed at the same AWG, it doesn’t mean their insulation thickness is the same. If you don’t take into account both factors, the copper or aluminium strands may not fit in the wire barrel correctly or the terminal’s insulation support may be too large or small for the wire strand.
2. Wire Prep
- In order to properly place a wire in a terminal, the wire insulation must first be stripped to the proper length based on the terminal specifications.
3. Crimp Specifications
- To create a proper crimp for a TE connector or terminal you should use a TE Connectivity tooling solution that is specifically engineered to the proper Crimp Height, Width and Crimp Geometry of the selected terminal or contact.
What You Need to Know About TE Hand Tools
Tool grade is a prime consideration when choosing the appropriate tool for an application. The higher the grade of the tool, the less operator skill is required to repeatedly meet the specified parameters of the crimp. TE hand tools are categorized into three levels:
- Premium (CERTI-CRIMP Tool)
Premium tools include the appropriate crimp die configuration, integral locating, and integral straightening features that permit terminals or contacts crimped in these tools to meet all feature requirements. Most premium tools include an adjustable insulation crimp height feature and the CERTI-CRIMP ratcheting feature, set at the factory.
- Commercial (PRO-CRIMPER Tool)
Commercial die assemblies are designed to meet the wire crimp height requirements. Commercial handle assemblies permit the interchange of die assemblies and an adjustable ratcheting feature. Users are responsible for adjusting the ratchet to obtain the correct crimp height.
Service tools are generally single thickness, stamped tools. They require a higher level of user dexterity to obtain acceptable results.
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