MIL-G-23823E
4.6 Acceptance test. Acceptance test shall be performed on each machine to
ensure conformance with this specification. Unless otherwise specified (see
6.2),
the acceptance test shall be performed only after the machine is
installed at its final location. The acceptance test shall consist of
the examination in 4.7 and all tests in 4.8. The machine shall pass the
examination and all tests to be accepted.
4.7 Examination. The machine shall be examined to determine compliance
with all requirements of this specification.
4.8 Tests.
4.8.1 Test conditions. All tests shall be performed in an indoor facility
with ambient conditions of 41 to 104 degrees Fahrenheit and 20 percent to 95
percent relative humidity.
4.8.2 Operational test. The machine shall be operated at no load for not
less than 2 hours. Proper operation of all controls,
motors, adjusting
mechanisms, and accessories shall be verified during the trial period.
4.8.3 Alignment tolerance test. Each machine shall be tested to determine
compliance with the alignment tolerance requirements of 3.6. The alignment
tolerance test shall be performed prior to and subsequent to the performance
test given in 4.8.4 through 4.8.4.1. Any machine adjustments required to
comply with 3.6 during or after the performance test shall be cause for
rejection.
4.8.4 Performance tests. The test part length shall be not less than one
half of the stated capacity for the machine being tested. Workpiece diameter
and material shall be at the contractor's option. The contractor shall
demonstrate the machine's capability to step grind (at least 2 diameters),
traverse grind and face grind a shoulder. All diameters shall be round within
0.0001 inch of a desired dimension with not less than 0.0001 inch taper per
foot and a surface roughness of not more than 5 microinches. Axial runout of
the ground shoulder shall not exceed 0.0001 inch total indicator reading
(TIR) . All
without making any
performance tests
shall be completed
adjustments to or performing any maintenance on the machine.
4.8.4.1 Additional performance tests. Performance tests required in addi-
tion to or in lieu of the requirements given in 4.8.4 shall be as specified
and fully described (see 6.2).
4.8.5 Environmental Protection certification of conformance. The contrac-
tor shall certify and maintain substantiating evidence that the product
offered complies with all environmental protection restrictions as required in
3.2.6. The government reserves the right to require proof of such conformance
prior to first delivery and thereafter as may be otherwise provided for under
the provisions of the contract.
4.8.6 Electromagmetic interference control test. Equipment requiring elec-
tromagnetic interference control shall be tested for compliance with 3.3.8
using the procedures given in MIL-STD-462.
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