408-2786 datasheet(2/5 Pages) TEC

Part #	408-2786

Description	Crimping Die Assemblies

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Manufacturer	TEC [TE Connectivity Ltd]

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408- 2786

Rev J

2

of 5

3. DIE INSTALLATION

To be sure that the die assembly is properly aligned

during installation, proceed as follows:

1. Slide the die assembly into the partially--opened

tool jaws. The anvil die must be installed in the

movable jaw of the tool and the indenter in the

stationary jaw. The center contact crimping

chamber must be toward the front of the tool as

shown in Figure 1.

2. Insert, but do not completely tighten, the die

retaining screws.

3. Close the tool jaws and carefully align the dies

so that the anvil die enters the indenter die. Once

the anvil has entered the indenter, place a copper

bus bar (1.57+0.05 mm [.062+.002 in.] diameter)

into the center contact crimping chamber of the die

assembly.

4. With bus bar in place, close the tool jaws

completely. Hold the tool handles together and

tighten the die retaining screws with the

appropriate screwdriver.

4. CRIMPING PROCEDURE

For detailed information on cable selection, cable

strip lengths, and proper assembly of the

connector, refer to the instructions provided with

the connector.

Select the appropriate die assembly that is

compatible with the connector being used. Proceed

as follows:

4.1. Center Contact (Figure 2)

1. Slide the ferrule onto the cable, then strip the

cable to the proper dimensions.

2. Slide center contact onto center conductor of

cable; then insert contact assembly into the center

contact crimping chamber of the anvil die. See

Figure 2.

Make sure that the flange on the end of the

center contact butts against the edge of the die.

Refer to the cross--sectional view in Figure 2.

3. Crimp the center contact by holding the cable in

place; then close the tool handles until the ratchet

releases.

4. Remove the crimped center contact assembly

from the crimping dies.

Figure 2

Center Contact

Flange Butt

Against Edge

of Die

Anvil Die

Stripped Cable

Crimping the

Center Contact

Flange on End of

Center Contact

Edge of Die

Cross--Sectional

View

4.2. Ferrule (Figure 3)

1. Insert the crimped center contact into the

connector body until the cable dielectric butts

against the dielectric inside the connector body.

The flared braid must fit around the support sleeve

of the connector body.

Figure 3

Shoulder on

Connector

Body Butts

Against

Edge of Die

Ferrule in

Crimping

Chamber

on Anvil

Die

NOTE

i

NOTE

i

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