To prevent the generation of caulking defectives due to not properly engaging crimping die to a crimping punch, in caulking a cable to a contact.
This cable caulking tool is provided with a crimping punch 61, having a pressure slit 64 provided at a tip part of a first frame, a connection rod 15 coupled with a second frame shaft-supported at an upper center part of the first frame by a link 13 mechanism to elevate at the center part of the first frame, and a crimping die 19 having a base 27 fixed on the connection rod 15 to be engaged in a center part of the pressure slit 64 in the crimping punch 61. In this case, the crimping punch 61 provided on the first frame has guide parts 65 for guiding the elevation of the crimping die 19 at lower parts on both sides of the pressure slit 64 of the crimping punch 61, so the crimping die 19 is engaged in the center part of the pressure slit 64.
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