Page 7 - Technical Information Section
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Compression Connector Crimping Methods
Dieless Crimpers Some dieless tools of each type are also often recommended
by their manufacturers to be able to provide range-taking
The other class of hydraulic crimping tools is that of the dieless capabilities (a single connector could be used to terminate
design. Dieless actually means that there is no die insert more than one conductor size). It is always important to follow
change needed when one needs to crimp a different connector the connector manufacturer’s installation instructions with
size within the range of the tool. The dieless hydraulic tools regard to connector selection, conductor sizes and types, and
can be further classified by the three general crimp shapes that the approved installation tooling in order to obtain a UL listed
are made. One group of dieless tools makes crimps that are and/or CSA certified connection.
the nest and indentor style. A second grouping of dieless tools
makes use of multiple indentors which indent the connector The necessity to maintain UL listing and/or CSA certification
from multiple sides without the use of a nest. The third group for a connector installation can limit the available combina-
of dieless tools provides a crimp that surrounds the connector tions of connectors and crimp tools that can be used in a spe-
barrel and has an appearance more like that of a die-type tool. cific situation. Dieless compression tool systems offer decided
All of the dieless tool types are capable of crimping cylindrical advantages in installation flexibility and time saving, particular-
connector barrels as recommended by their respective manu- ly if both cylindrical and H-frame connectors can be installed
facturers. with a single dieless tool.
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