1、NEMA Standards PublicationNational Electrical Manufacturers Association$16,*DQG*8%DVHVANSI C78.1413-2001 Revision of ANSI C78.1413-1989 Copyright 2001 by American National Standard Lighting Group- NEMA 1300 North 17thStreet Suite 1847, Rosslyn, VA 22209 American National Standard Approved: September
2、 7, 2001 Secretariat: ANSLG- National Electrical Manufacturers Association Electric Lamps Dimensions and Centering Systems for Projection Lamps- 51mm (two-inch) Integral Reflector Rim Reference Lamps with GX5.3, GY5.3, and GU5.3 Bases An American National Standard implies a consensus of those substa
3、ntially concerned with its scope and provisions. It is intended as a guide to aid the manufacturer, the consumer, and the general public. The existence of an American National Standard does not in any respect preclude anyone, whether he has approved the standard or not, from manufacturing, marketing
4、, purchasing, or using products, processes, or procedures not conforming to the standards. Users are cautioned to obtain the latest editions. The American National Standards Institute does not develop standards and will in no circumstances give an interpretation of any American National Standard. Mo
5、reover, no person shall have the right or authority to issue an interpretation of an American National Standard in the name of the American National Standards Institute. CAUTION NOTICE: This American National Standard may be revised or withdrawn at any time. The procedures of the American National S
6、tandards Institute require that action be taken periodically to reaffirm, revise, or withdraw this standard. Purchasers of American National Standards may receive current information on all standards by calling or writing the American National Standards Institute. ANSI C78.1413-2001 Revision of ANSI
7、 C78.1413-1989 Copyright 2001 by American National Standard Lighting Group- NEMA 1300 North 17th Street Suite 1847, Rosslyn, VA 22209 iiAmerican National Standard Approval of an American National Standard requires verification by ANSI that the requirements for due process, consensus, and other crite
8、ria for approval have been met by the standards developer. An American National Standard implies a consensus of those substantially concerned with its scope and provisions. Consensus is established when, in the judgment of the ANSI Board of Standards Review, substantial agreement has been reached by
9、 directly and materially affected interests. Substantial agreement means much more than a simple majority, but not necessarily unanimity. Consensus requires that all views and objections be considered, and that a concerted effort be made toward their resolution. The existence of an American National
10、 Standard does not in any respect preclude anyone, whether s/he has approved the standard or not, from manufacturing, marketing, purchasing, or using products, processes, or procedures not conforming to the standards. It is intended as a guide to aid the manufacturer, the consumer, and the general p
11、ublic. The American National Standards Institute does not develop standards and will in no circumstances give an interpretation of any American National Standard. Moreover, no person shall have the right or authority to issue an interpretation of an American National Standard in the name of the Amer
12、ican National Standards Institute. Requests for interpretations should be addressed to the Committee Secretariat referred to on the title page. CAUTION NOTICE: This American National Standard may be revised or withdrawn at any time. The procedures of the American National Standards Institute require
13、 that action be taken periodically to reaffirm, revise, or withdraw this standard. Purchasers of American National Standards may receive current information on all standards by calling or writing the American National Standards Institute. Printed and distributed by: Information Handling Services/Glo
14、bal Engineering Documents 15 Inverness Way East, Englewood, CO 80112-5776 Under Contract with National Electrical Manufacturers Association Copyright 2001 by American National Standard Lighting Group In Affiliation with National Electrical Manufacturers Association All rights reserved. No part of th
15、is publication may be reproduced in any form, in an electronic retrieval system or otherwise, without prior written permission of the publisher. Printed in the United States of America ANSI C78.1413-2001 Revision of ANSI C78.1413-1989 Copyright 2001 by American National Standard Lighting Group- NEMA
16、 1300 North 17th Street Suite 1847, Rosslyn, VA 22209 iiiTABLE OF CONTENTS Foreword .iv 1 Scope 1 2 Normative references 1 3 Related components2 3.1 Identification .2 3.2 Bases 2 3.3 Holding systems2 4 Lamp dimensions 2 5 Centering devices3 5.1 Precise centering system.3 2.2 Alternate centering syst
17、em.3 Figures Figure 1 Two inch integral-reflector-rim reference lamps; lamp dimensions 4 Figure 2 Centering systems.5 Annexes Annex A (informative) Additional references.A-1 ANSI C78.1413-2001 Revision of ANSI C78.1413-1989 Copyright 2001 by American National Standard Lighting Group- NEMA 1300 North
18、 17th Street Suite 1847, Rosslyn, VA 22209 ivFOREWORD (This Foreword is not part of ANSI C78.1413-2001) Suggestions for improvement of this standard will be welcome. They should be sent to the Secretariat, C78 Committee, National Electrical Manufacturers Association, 1300 North 17th Street, Suite 18
19、47, Rosslyn, VA 22209. This standard was processed and approved for submittal to ANSI by Accredited Standards Committee on Electric lamps, C78, and its subcommittee, C78-1. Approval of the standard does not necessarily imply that all committee members voted for its approval. Information concerning t
20、he approval of this standard is based on the documents listed in the table below: CDV RV C78(1)/3963 C78(1)/3964v2 At the time of publications the C78 committee consisted of the following members: Al Rousseau, Chair C78 Bernie Rachel, Technical Coordinator Randolph N. Roy, Secretariat Ken Denton, Co
21、nsulting Editor Organization Represented: Name of Representative: Advance Transformer Company Norman Grimshaw Edison Electric Institute William Maguire (Delegate) GE Lighting Edward Yandak Illuminating Engineering Society Rita M. Harrold Intertek Testing Services, Inc. David Ellis MagneTek Michael A
22、. Stein National Electrical Manufacturers Association William Buckson (Principle Delegate) Don Miletich (Alternate Delegate) Fred Carpenter (Alternate Delegate) OSRAM SYLVANIA INC. Peter Bleasby Philips Lighting Company Al Rousseau Underwriters Laboratories, Inc. David Belt At the time of publicatio
23、ns the C78-1 Sub-Committee had the following members: Bernie Rachel, Chair C78-1 Organization Represented: Name of Representative: GE Lighting Bernie Rachel OSRAM SYLVANIA INC. David Mullen James Oetken (Alt.) Philips Lighting Company Al Rousseau Duane Will (Alt.) Alejandro Seyffert (Alt.) Underwrit
24、ers Laboratories, Inc. David Belt Ken Kempel (Alt.) ANSI C78.1413-2001 Revision of ANSI C78.1413-1989 Copyright 2001 by American National Standard Lighting Group- NEMA 1300 North 17th Street Suite 1847, Rosslyn, VA 22209 1American National Standard Dimensions and Centering Systems for Projection Lam
25、ps- 51mm (two-inch) Integral Reflector Rim Reference Lamps with GX5.3, GY5.3, and GU5.3 Bases 1 Scope This standard specifies detailed dimensions for 51mm (two inch) integral reflector rim reference projection lamps with GX5.3, GY5.3, or GU5.3 bases to assure interchangeability within the appropriat
26、e holding systems. The lamps provide references for mounting at their reflector rims. Since lamp position is controlled at the reflector rim, centering device dimensions of lamp holding systems are also specified in this standard. Both the rim reference lamps and centering devices specified in this
27、standard are intended for use in precision projection systems. 2 Normative References The American National Standards that follow contain provisions, which through reference in this text, constitute provisions of this Standard. At the time of publication of this Standard, edition dates of these norm
28、ative reference standards were valid. However, since all standards are subject to revision, parties to agreements based on this Standard should determine and apply the most recent editions of the normative reference standards listed below. ANSI C78.370-1997, Method for the Designation of Photo Lamps
29、 ANSI C78.1420-2001, Microfilm Projection Lamps - Two-inch (51mm) Dichroic Coated Integral Reflector, Rim Reference, Tungsten-Halogen Lamps with GX5.3 Bases ANSI C78.1431-1997, Slide Projector Lamps, Condensing, Dichroic, Two-inch (51mm), Integral Reflector, Rim Reference Tungsten-Halogen Lamps with
30、 GY5.3 Bases ANSI C78.1433-2001, Two-inch (51mm) Dichroic Coated Integral Reflector, Rim Reference Tungsten Halogen Large Screen Projection Lamps with GX5.3 Bases ANSI C81.61-1990, Electric Lamp Bases ANSI C81.63-1991, Gauges for Electric Lamp Bases and Lampholders Other standards, which are not ref
31、erred to in the text of this Standard but still may provide additional relevant information, are listed in Annex A as informative references. ANSI C78.1413-2001 Revision of ANSI C78.1413-1989 Copyright 2001 by American National Standard Lighting Group- NEMA 1300 North 17th Street Suite 1847, Rosslyn
32、, VA 22209 23 Related Components 3.1 Identification Projection lamps conforming to this standard should be identified with a 3-letter designation in conformance with ANSI C78.370. 3.2 Bases Finished lamps shall employ GX5.3, GY5.3, or GU5.3 bases conforming to the requirements of ANSI C81.61, and sh
33、all conform to the base gauges of ANSI C81.63. GX5.3 bases are used for low voltage lamp types, less than 50V. GY5.3 bases are used for high voltage lamp types, 50V or greater. GU5.3 bases are also used for low voltage lamp types but also include slots or ridges on the reflector neck for use in lamp
34、holders with retainer springs. 3.3 Holding Systems The holding systems shall employ the centering devices specified in Section 5. 4 Lamp Dimensions Lamp dimensions are specified in Figure 1 with only those dimensions required for interchangeability given. The drawn shape of the reflector and neck ar
35、ea are not intended to specify or restrict the outer surface of the lamp, beyond the restrictions imposed by the standard for the base. Lamps shall have full 360O circular rim reference surfaces. Application and performance information on specific 51mm (two-inch) integral reflector rim reference lam
36、p types are given in C78.1420, C78.1431, and C78.1433. ANSI C78.1413-2001 Revision of ANSI C78.1413-1989 Copyright 2001 by American National Standard Lighting Group- NEMA 1300 North 17th Street Suite 1847, Rosslyn, VA 22209 35 Centering Devices Critical dimensions of centering devices are specified
37、in Figure 2. 5.1 Precise Centering System The most precise lamp centering system is the recessed device shown in Figure 2(a). Full 360 circular recesses are not necessary; two or three segments will suffice. The centering system shown in Figure 2(a) requires that the lamp be axially loaded such that
38、 surface x of the lamp mates to surface x of the centering device. Lateral location is restricted by surface y. 5.2 Alternative Centering System The alternative centering system shown in Figure 2(b) permits slightly greater displacement of the lamp axis as a result of the tolerance of the flashline
39、diameter. The centering system shown in Figure 2(b) requires both an axial load component and a lateral load component such that surface x of the lamp mates to surface x of the centering device, and such that the major diameter A of the lamp mates to the studs defined by dimensions A1, A2, A3, and V
40、. ANSI C78.1413-2001 Revision of ANSI C78.1413-1989 Copyright 2001 by American National Standard Lighting Group- NEMA 1300 North 17th Street Suite 1847, Rosslyn, VA 22209 4N REFLECTOR NECK M GU 5.3 GX 5.3 OR GY 5.3 BASE SURFACE x C L S W U V B A T r SURFACE x SURFACE y FLASHLINE NOTE: The drawing is
41、 intended to show the dimensions to be controlled Standard Dimensions (inches) Nearest Metric Equivalent (millimeters) Reference Min Nom Max Min Nom Max A (Notes 1, 2) - - 1.995 - - 50.67 B (Notes 2, 3) 1.946 - 1.996 49.43 - 49.94 M (Note 4) - - 1.750 - - 44.45 N (Note 5) 1.450 - 1.485 36.83 - 37.72
42、 R 0.010 - 0.030 0.25 - 0.76 S (Notes 2, 6) 0.885 - 0.940 22.48 - 23.88 T (Note 2) - - 1.830 - - 46.48 U - 0.030 ref - - 0.76 ref - V (Note 6) 0.055 - 0.085 1.40 - 2.16 W (Note 7) 0.035 - - 0.89 - - a - 15o - - 15o - NOTES: 1 Allowable maximum diameter including mold flash out-of-roundness. 2 Dimens
43、ions A, B, and T are diameters; Dimension S is a radius. 3 Diameter B is on surface y at distance U from surface X. 4 Maximum overall length M is 1.785 inches or 45.34mm for lamps with GU5.3 bases with longer pin length. 5 The undefined areas bounded by dimension N may vary from the contour shown to
44、 accommodate variations in reflector design. 6 Surface x positions the lamp must mate firmly with the centering device to obtain proper alignment of the optical axis and distance to the film plane. 7 Minimum clearance surface x to mold flashline. Figure 1 Two-Inch (51-mm) ANSI C78.1413-2001 Revision
45、 of ANSI C78.1413-1989 Copyright 2001 by American National Standard Lighting Group- NEMA 1300 North 17th Street Suite 1847, Rosslyn, VA 22209 5Integral-Reflector-Rim Reference Lamps; Lamp Dimensions with Expanded View of Rim PreciseCenteringSystem(a)AlternateCenteringSystem(b)120A1 A1FilmPlaneFilmPl
46、aneWorkingDistaneA2A3TOpticalAxis ofProjectorTBSurface xSurface yWorkingDistaneVUrOpticalAxis ofProjector Working distance is the distance from the reference surface x to the plane. The value of the working distance is dependent on the objective lens used and on the contour of the lamp reflector. NO
47、TE: The drawing is intended to show the dimensions to be controlled Standard Dimensions (inches) Nearest Metric Equivalent (millimeters) Reference Min Nom Max Min Nom Max A1 - 0.982 - - 24.94 - A2 - 0.491 - - 12.47 - A3 - 1.701 - - 43.21 - B (Note 1) 1.968 - 1.978 49.98 - 50.24 R - - 0.010 - - 0.25
48、T - - 1.850 - - 47.00 U 0.027 - 0.033 0.69 - 0.84 V 0.085 - - 2.16 - - a 14.5 o - 15.5o 14.5 o - 15.5o NOTE 1: Dimension B defines the diameter of reference surface y at distance U from reference surface x. ANSI C78.1413-2001 Revision of ANSI C78.1413-1989 Copyright 2001 by American National Standar
49、d Lighting Group- NEMA 1300 North 17th Street Suite 1847, Rosslyn, VA 22209 6Figure 2 Centering Systems ANSI C78.1413-2001 Revision of ANSI C78.1413-1989 Copyright 2001 by American National Standard Lighting Group- NEMA 1300 North 17th Street Suite 1847, Rosslyn, VA 22209 7THIS PAGE INTENTIONALLY LEFT BLANK ANSI C78.1413-2001 Revision of ANSI C78.1413-1989 Copyright 2001 by American National Standard Lighting Group- NEMA 1300 North 17th Street Suite 1847, Rosslyn, VA 22209 ANNEX A (Infor
