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Showing posts with the label testing for chain

Marking for Ship Anchors

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When anchors have satisfactorily passed the test requirements, they are to be clearly stamped by the manufacturer. One side of the anchor is to be reserved solely for the above marks and the other side used for the maker’s name or other trademarks that may be desired. If the design of the anchor does not permit the above marks being placed or grouped as indicated, a suitable boss is to be cast on each arm on which the marks are to be stamped. The Maltese Cross, À is to be stamped at positions “B” & “J” along with the witnessing Surveyor’s initials per Figure. A          The number of Certificate. (Furnished by the Surveyor)           00-PA123  B         (2005) The Maltese Cross Stamp and the Initials of the              Surveyor who witnesses the Proof Test                          ...

Testing for Ship Anchor

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1. Product Test Programs There are two test programs, which apply to ship anchor manufacture for testing.  Program A, or  Program B. 2. Drop Test Each ship anchor fluke and shank is to be individually raised to a height of 4 m (13.1 ft) and dropped on to a steel slab without fracturing. The steel slab is to be suitable to resist the impact of the dropped component. 3. Hammering Test After the drop test, hammering tests are to be carried out on each ship anchor fluke and the shank, which is slung clear of the ground, using a non-metallic sling, and hammered to check the soundness of the component. The hammer of at least 3 kg (6.6 lbs) mass is to be used. 4. Visual Inspection After proof loading visual inspection of all accessible surfaces is to be carried out. 5. General Nondestructive Examination After proof loading, general NDE is to be carried out as indicated in Table 3 and Table 4. 6. Extended Nondestructive Examina...