ASME B30 10 INTERPRETATIONS-1994 Interpretations to B30 10-1993 Hooks《B30 10-1993的说明 吊钩》.pdf

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1、ASME B30.10 Interpretations Replies to Technical Inquiries October 1991 - December 1994 FOREWORD This publication includes all of the written replies issued between the indicated dates by the Secretary, speaking for the ASME B30 Committee, Safety Standards for Cableways, Cranes, Der- ricks, Hoists,

2、Hooks, Jacks, and Slings, to inquiries concerning interpretations of technical aspects of B30.10, Hooks. These replies are taken verbatim from the original letters except for a few typographical correc- tions and some minor editorial corrections made for the purpose of improved clarity. In some few

3、instances, a review of the interpretation revealed a need for corrections of a technical nature; in these cases a corrected interpretation follows immediately after the original reply. The interpretations were prepared in accordance with the accredited ASME procedures. ASME procedures provide for re

4、consideration of these interpretations when and if additional information is available which the inquirer believes might affect the interpretation. Further, persons aggrieved by this interpretation may appeal to the cognizant ASME committee or subcommittee. ASME does not “approve,” “certify,” “rate,

5、” or “endorse” any item, construction, proprietary device, or activity. 1 630.10 Interpretations 70-6, 70-7 Interpretation: 10-6 Subject: ASME B30.10-1992 Date Issued: December 20, 1993 Question: Is a manufacturers mark on the hook mandatory to meet the requirements of para. 10-1.1.1, which states,

6、“Manufacturers identification shall be forged, cast, or die stamped on a low stress and nonwearing area of the hook”? Reply: Yes. Interpretation: 10-7 Subject: ASME B30.10-1993 Date Issued: March 22, 1994 Question (1): On page 6, Figs, 1 through 5 refer to “Latch - When Required”; on page 9, Section

7、 10-1.1.2(c) states, “. . . If welding of (attachments such as handles, latch-supports, etc.) is required, it shall be done in manufacturing or fabrication . . .” Required by whom? Reply (1): “Whom” indicates that one person in particular would determine the requirement. The requirement is applicati

8、on specific, not person specific. The requirement for latches on hooks is dependent upon the application or equipment where used, as stated in the Scope of B30.10 in Section 10-0.1, “Within the general scope defined in Section I, ASME B30.10 applies to all types of hooks shown in Figs. 1 through 12

9、used in conjunction with equipment described in other volumes of the B30 standard. This is further emphasized in para. 10-1.2.1.1(b), “Inspection procedure and record keeping requirements for hooks in regular service shall be governed by the kind of equipment in which they are used.” Question (2): A

10、re there federal or state regulations applicable specifically to the State of Texas for businesses (a) engaged in interstate commerce; or (b) engaged in intrastate commerce? Please refer us to the pertinent regulations. Reply (2): This question is beyond the scope of the ASME B30 Committee. 3 10-8,

11、10-9 m 0757670 0565775 600 830.10 Interpretations Interpretation: 10-8 Subject: ASME B30.10-1993 Date Issued: September 22, 1994 Question (1): Does the manufacturers identification requirement of Section 10-1.1.1 mean that the manufacturers name, trademark, logo, or tradename shall be included on th

12、e hook as part of the identification? Reply (1): Yes. Question (2): Does the manufacturers identification requirement of Section 10-1.1.1 preclude the use of a manufacturers part number, serial number, forging number as the sole means of identification? Reply (2): Yes. Interpretation: 10-9 Subject:

13、ASME B30.10-1993, Hooks; ASME B30.16-1993, Overhead Hoists (Underhung) Date Issued: December 20, 1994 Background: Paragraph 10-1.1.1 of ASME B30.10-1993, Hooks, states the following: “Manu- facturers identification shall be forged, cast, or die stamped on a low stress and nonwearing area of the hook

14、.” Paragraph 16-1.2.9 of ASME B30.16-1993, Overhead Hoists (Underhung), states the following: “If hooks are of the swiveling type, they should rotate freely. Hooks shall be equipped with latches unless the application makes the use of the latch impractical. When required, a latch shall be provided t

15、o bridge the throat opening of the hook and retain, under slack conditions, such items as, but not limited to, slings and chains. Refer to ASME B30.10.” Question (1): Does para. 10-1.1.1 apply only to swivel type hooks? Ref. B30.10 and B30.16. Reply (1): No. Question (2): Does para. 10-1.1.1 apply o

16、nly to swivel type hooks with latches? Ref. B30.10 and B30.16. Reply (2): No. Question (3): If there is a hook with a latch, are both the hook and latch required to be marked per para. 10-1.1.1? Ref. B30.10. Reply (3): No. 4 Question (4): Does para. 10-1.1.1 apply only to hooks with latches? Ref. B3

17、0.10. Reply (4): No. 0759670 0565976 547 W 630.10 Interpretations 10-9 Question (5): If para. 10-1.1.1 does not apply to either hook or latch, to which part of the lifting apparatus does it apply? Ref. B30.10. Reply (5): Paragraph 10-1.1.1 does apply to the hook. Question (6): Does para. 10-1.1.1 ap

18、ply only to the latches on nonswiveling hooks? Ref. B30.10. Reply (6): No. Question (7): Does para. 10-1.1.1 apply only to nonswiveling hooks? Ref. B30.10. Reply (7): No. Question (8): Does para. 16-1.2.9 apply only to swivel type hooks? Ref. B30.16. Reply (8): No. Question (9): Does para. 16-1.2.9

19、apply to all hook types depicted in Figs. 1 through 12? Ref. B30.10 and B30.16. Reply (9): No. Question (10): Does para, 16-1.2.9 apply only to hook types depicted in Figs. 1 through 7? Ref. B30.10 and B30.16. Reply (10): No. Question (11): Does para. 16-1.2.9 apply only to hooks that require latches? Ref. B30.16. Reply (11): No. Question (12): Does para. 16-1.2.9 apply only to hook types depicted in Figs. 1 through 12? Ref. B30.10 and B30.16. Reply (12): Yes, depending upon user and manufacturer specification requirements for the application. 5