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      ENGINEERING COMMITTEE
   Interface Practices Subcommittee



AMERICAN NATIONAL STANDARD




        ANSI/SCTE 14 2011




          Test Method for
Hex Crimp Tool Verification/Calibration
                                        NOTICE

The Society of Cable Telecommunications Engineers (SCTE) Standards are intended to
serve the public interest by providing specifications, test methods and procedures that
promote uniformity of product, interchangeability and ultimately the long term reliability
of broadband communications facilities. These documents shall not in any way preclude
any member or nonmember of SCTE from manufacturing or selling products not
conforming to such documents, nor shall the existence of such standards preclude their
voluntary use by those other than SCTE members, whether used domestically or
internationally.

SCTE assumes no obligations or liability whatsoever to any party who may adopt the
Standards. Such adopting party assumes all risks associated with adoption of these
Standards or Recommended Practices, and accepts full responsibility for any damage
and/or claims arising from the adoption of such Standards or Recommended Practices.

Attention is called to the possibility that implementation of this standard may require use
of subject matter covered by patent rights. By publication of this standard, no position is
taken with respect to the existence or validity of any patent rights in connection therewith.
SCTE shall not be responsible for identifying patent for which a license may be required
or for conducting inquires into the legal validity or scope of those patents that are brought
to its attention.

                                    All Rights Reserved

              © Society of Cable Telecommunications Engineers, Inc. 2011
                                   140 Philips Road
                                   Exton, PA 19341




                                               i
                 TABLE OF CONTENTS


SECTION                  TITLE             PAGE
          NOTICE                             i
          TABLE OF CONTENTS                  ii
  1.0     SCOPE                              1
  2.0     EQUIPMENT                          1
  3.0     VERIFICATION OF HEX CRIMP SIZE     1
  4.0     CRIMP TOOL ADJUSTMENT METHOD       1
  5.0     DOCUMENTATION                      2




                        ii
1.0   SCOPE

      1.1   To determine and verify the actual crimp dimension of hex crimp tools.

      1.2   Measurement technique for determining the final hex size that may
            affect pull-off performance of the cable-to-connector interface.

      1.3   Calibration technique for adjusting hex crimp tools.

2.0   EQUIPMENT

      2.1   Machinist’s outside micrometer having a flat anvil and flat spindle,
            calibrated to read directly to at least 0.005 inch (0.127 mm), with each
            division of a width that facilitates estimation of each measurement to
            0.0005 inch (0.0127 mm). As an alternate use digital calipers
            calibrated to read directly to at least 0.0005 inch (0.0127 mm).

3.0   VERIFICATION OF HEX CRIMP SIZE

      3.1   Crimp an empty F-fitting (no cable) of the appropriate size in the front-
            most hex cavity.

      3.2   Using a micrometer or digital caliper, measure and record the
            dimensions across each of the three sets of hex flats.

            3.2.1   No single measurement across hex flats should deviate more
                    than  0.005 inch ( 0.127 mm) of the published hex size.

      3.3   Average the three measurements recorded in 3.2.

            3.3.1   The average hex crimp measurement should be within  0.003
                    inch (0.076 mm) of the published hex size.

      3.4   Repeat procedures 3.1 through 3.3 for each hex cavity.

      3.5   If discrepant measurements are obtained, proceed to Section 4,
            Adjustment Method.

4.0   CRIMP TOOL ADJUSTMENT METHOD

      4.1   If crimp tool is adjustable, adjust the tool cam adjustment mechanism
            per the tool manufacturer’s instructions. Adjustments should be made
            one notch at a time so that the tool is not over-adjusted or damaged.


                                      1
       4.2   Secure the cam keeper, crimp an F-fitting (no cable) and measure the
             flats as described in Section 3.0.

       4.3   Continue the adjusting process until the correct hex specification is
             measured.

       4.4   If correct hex measurements cannot be obtained by adjustment, the
             crimp tool must be rebuilt or replaced.

 5.0   DOCUMENTATION

Crimp Tool Manufacturer -
Crimp Tool Part Number -
F-Fitting Manufacturer -
F-Fitting Part Number -
Hex Crimp Dimensions
                   Hex Number 1            Hex Number 2       Hex Number 3
                  a)                      a)                  a)
                  b)                      b)                  b)
                  c)                      c)                  c)
Average -
Published Hex
Dimensions
Maximum
Difference
Average
Difference




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