GBT 6998-2002 预聚焦式灯头的量规.pdf 41页

'ICS29.14010K74石昌中华人民共和国国家标准GB/T6998-2002eqvIEC60061一3:2001预聚焦式灯头的量规Gaugesofprefocuscap2002一08一05发布2003一04一01实施中华人民共和匡国家质量监督检验检疫总媛 GB/"r6998-2002目次前言······································。·········································································⋯⋯.，工EC前言···········································································································⋯⋯N一般要求·······································································································⋯⋯1型式和尺寸···································································。································⋯⋯1检验成品灯上PG12一和PGX12一灯头的通规和止规(1)··········.·····································⋯⋯2PG13和PGJ13灯头的通规和止规A·······································································⋯⋯5PG13和PGJ13灯头的通规B·........................................................................................6PG13和PGJ13灯头的通规和止规···········································································⋯⋯‘“7成品灯上PX13.5s预聚焦灯头的通规·······································································⋯⋯8成品灯上PX13.5s预聚焦灯头的止规(第一量规)······················································⋯⋯‘“9成品灯上PX13.Ss预聚焦灯头的止规(第二量规).........................................................·一10成品灯卜P14.5s预聚焦灯头的通规·······································································⋯⋯11检验成品灯上P14.5s灯头凸销的高度(T的最小值)的量规·········································⋯⋯12成品灯上PG22-6.35预聚焦灯头的通规····································································⋯⋯13成品灯上PK22s灯头的组合通规(1)·······································································⋯⋯14成品灯上P26、灯头的通规···················································································⋯⋯16PX26预聚焦灯头的通规·······················································································⋯⋯17PX26预聚焦灯头的连接片的通规和止规·······················································。··········⋯⋯18检验PX26预聚焦灯头尺寸M最小值的止规································。······························⋯⋯19成品灯上P28，灯头的通规·.........................................................................................20检验成品灯上P30s预聚焦灯头的聚焦盘直径的通规和止规··········································⋯⋯21成品灯上P30s预聚焦灯头主槽口的通规和止规·..............................................................22成品灯仁P40s预聚焦灯头的通规和止规················································。·················⋯⋯23成品灯上P43t-38预聚焦灯头的通规········································································⋯⋯24检验P43t和PX43t预聚焦灯头的尺寸M的最小值的止规············································⋯⋯25检验成品灯上P43t-38,PX43t,PY43d和PZ43t预聚焦灯头尺寸Y最大值的量规··············⋯⋯26成品灯上PX43t预聚焦灯头的通规(1)····························⋯⋯“·······························⋯⋯27成品灯上PY43d预聚焦灯头的通规··········································································⋯⋯29检验成品灯上PY43d和PZ43t预聚焦灯头的尺寸M的最小值的止规······························⋯⋯30成品灯FPZ43t预聚焦灯头的通规···········································································⋯⋯31P45t灯头的通规···································································································⋯⋯32P45t灯头的止规······················，··········································‘·································⋯⋯33P45t灯头定位凹槽的通规和止规·································································⋯⋯’‘’·’二‘二‘·34P45t灯头定位凹槽的量规·······················································································⋯⋯35检验P45t灯头尺寸Y最大值的量规········································································⋯⋯36检验P45t灯头尺寸R最小值的量规········································································⋯⋯37 GB/"r6998-2002前言本标准等效采用国际电工委员会IEC60061-3;2001《灯头、灯座及其检验其安全性和互换性的量规第3部分:量规》中的预聚焦式灯头量规部分。其技术内容与IEC相应部分完全一致。本标准所列量规的编号由三部分组成:(例如:6998-GB/T-81-1)第一组数字为本标准号，其后跟字母GB/T，再之后的数字为灯头量规的编号。本标准与现行标准的主要技术差异如下:1.取消的型号为:P13.5s,P16s,P22s,P22d,P27s,P39s,P30d-10.3,P32s,P32d,P35s,P35d,P42s,P42d,PB24s,PB22d-3(900沐1350)02.修订的型号为:P30s-10.3,P45to3.新增的型号为:PG12一和PGX12,PG13和PGJ143,PX13.5s,P14.5s,PG22-6.35,PK22s,P26s,PX26,P28s,P40s,P43t-38,P43t和PX43t,PY43d和PZ43t,P45t,本标准自实施之日起，代替GB/T6998-1986《预聚焦式灯头的量规》。本标准由国家轻工业局提出。本标准由全国照明电器标准化技术委员会归口。本标准由北京华明电光源工业公司起草本标准起草人:童显海、刘欣、王宁。 Gs/"r6998-2002IEC前言1国际电工委员会(IEC)有关技术问题的正式决议和协议均由各技术委员会制定，所有对此有特殊兴趣的各国家委员会都有代表参加。因此，这些决议和协议在最大程度上表达了国际间的此问题上的一致意见。2.为国际之间使用而出版的推荐标准，在某种意义上各国家委员会均应采纳。3.为了促进国际间的统一，国际电工委员会希望目前还没有相关国家标准的国家在制定相关标准时，在国家条件许可的范围内，各国家委员会应以IEC的推荐标准作为相关标准的基础。4为了加强国际间有关这些问题的意见一致性，需要各国家委员会在本国条件允许的情况下，努力使本国标准与IEC推荐标准相谐调。各国家委员会要为此发挥作用。 中华人民共和国国家标准GB/T6998-2002预聚焦式灯头的量规eqvIEC60061-3:2001代替GB/T6998-1986Gaugesofprefocuscaps本标准等效采用IEC60061-3《灯头、灯座及其检验其互换性和安全性的量规第3部分量规》中的预聚焦灯头量规部分。本标准规定了为保证预聚焦灯头互换性和安全性量规的主要尺寸，其他尺寸由设计者自行确定。本标准中确定的量规的型号，与同规格的预聚焦式灯头的型号完全相同，并与IEC60061中的量规型号相一致。一般要求1.1主要内容本标准规定了预聚焦式灯头量规的型式、基本尺寸和检验方法，用于检验符合GB2800(预聚焦式灯头的型式和尺寸》国家标准中所列各种规格的灯头。1.2引用标准GB1957-1981光滑极限量规GB2800-2002预聚焦式灯头的型式和尺寸(eqvIEC60061-1:2001)2型式和尺寸预聚焦式灯头量规型式、主要尺寸应符合附图和附表的要求。中华人民共和国国家质里监督检验检疫总局2002一08-05批准2003一04一01X96I GB/"r6998-2002检验成品灯上PG12一和PGX12一灯头的通规和止规(1)关于PG12和PGX12灯头，参见GB2800边沿倒角(9x)细部图对于检验PG12-2和PGX12-2灯头的量规，e:孔应位于与水平中心线向上或向下约成45“的范围之内。附图只表示检验PG12-1灯头用的量规。关于检验PG12-2,PG12-3,PGX12-1和PGX12-2灯头的量规，分别参见下页相应的附图。所有其他尺寸均与PG12-1量规相同。6998-GB/T-81-1 GB/T6998-2002检验成品灯上PG12一和PGX12一灯头的通规和止规(2>型号符号尺寸公差一尺寸公差+0.02A30.6+-o0.且‘4.0一一0.0+0.005D12.07.9士9一02一0.005}E2.79士;十‘一5士}.;E,2.67+0..0l一5+-0.;El2.29士9，.01}5士{;+0.0F",11.40.6一0.025一士{.}+0.025F12.5牛50一0.0一9+-5"十0.025G,4.590"一0,0一+5"月7.1+-0.}16998-GB/T-81-3 GB/T6998-2002检验成品灯上PG12一和PGX12一灯头的通规和止规(3)目的:检验相对于尺寸A的最大值的灯头的最大外形、插脚的直径和间距、插脚凸台的直径和间距，凸片相对于与尺寸A有关的P、和F:的径向位置和宽度，以及单个插脚的尺寸F.的最小值和最大值，F的最小值和最大值。检验:将灯头由Z面插人量规，并使基准凸片进人量规的小凹槽(只适用于PG12-1和PGX12-1灯头)，直至灯头的基准面接触到量规的0面。此时插脚的末端应与f面共面，或凸出于f，面，但是它们均不得凸出于f:面。将各插脚依次插人e:孔，插脚的凸台应接触到量规的Ziruo插脚(不是指其末端)应不能插人e，孔中。6998-GB/T-81-3 GB/T6998-2002PG13和PGJ13灯头的通规和止规A关于PG13,PGJ13和PGJ19灯头，分别参见GB2800符号尺寸公差一尺寸公差U6.1士吕一01,一5.85+-0.}E1.03士牛.02一15.8士}.忿2E,3.1士1.02一56+-0.牛2L10.6+-0.02一1.85+-0.02M11.75+-0.12一M/2N21.15士}.牛2一P/2P8.20耳-0..02一约25R17.65士忿.且2一约15所有导人角均应导圆或倒角。目的:检验PG13,PGJ13和PGJ19灯头的接触部件检验:不用过度的力应能将量规插入PG13,PGJ13,PGJ19-1,PGJ19-2或PGJ19-3灯头的接触部件，直至使量规的Y面接触到灯头的边沿。量规应不能插人PGJ19-4或PGJ19-5灯头的接触部件。6998-GB/T-107-2 GB/T6998-2002PG13和PGJ13灯头的通规B关于PG13和PGJ13灯头，参见GB2800符号一B9.15+-0.}，B,5.5B,535士0.02B,0.5e74士忿.艺r了6.7士}.02r吕10.25+-0..02900士;;月100目的:检验PG13和PGJ13灯头对安装孔的匹配插人性能检验:不用过度的力应能将灯头插人量规，直至使灯头的x面接触到量规的表面。注:所有的导人角均应导圆或倒角6998-GB/T-107B GB/T6998-2002PG13和PGJ13灯头的通规和止规关于PG13和PGJ13灯头，参见GB2800.沙口”一一—一_符号尺寸公差A54士;.;召51+-0.;C16士}.;了L3.2+-0..02.7z3.5+-0.02r?6.75+-0.言目的:检验PG13和PGJ13灯头的筒体的长度检验:不用过度的力应能将量规的通规一端插在灯头的基准面和X面之间，但是要避开止动件。量规的止规一端应不能插在灯头的基准面和X面之间。注:所有的导人角均应导圆或倒角6998-GB/T-107C-1 GB/T6998-2002成品灯上PX13.5s预聚焦灯头的通规关于PX13.Ss预聚焦灯头，参见GB2800入口剖面1剖面1卜11目的:检验PX13.5s灯头的尺寸L的最大值，M，的最小值和最大值，以及定位凹口的最小外形尺寸检验:玻壳在前，将灯插人量规，直至使灯头的三个凸台接触到量规的Z面，此时，中心触点的表面应与X面共面，或凸出于X面，但不得凸出于Y面。6998-GB/T-35 GB/T6998-2002成品灯上PX13.5s预聚焦灯头的止规(第一t规)关于PX13.5s预聚焦灯头，参见GB2800符号尺寸公差I.13.39士;.牛1口15+-0.:510.5+-0.;‘15绘-0.50d2-0.l目的:检验PX13.5s灯头的尺寸I的最小值。检验:在将灯泡的玻壳由Y面插人量规时，灯头的聚焦盘应不能完全插人Y孔6998-GB/T-35A GB/T6998-2002成品灯上PX13.5s预聚焦灯头的止规(第二f规)关于PX13.5s预聚焦灯头，参见GB2800陡沿陡沿符号尺寸公差刀10.5士9一孟r13.54+-0.名，S3.5+-0.01T12.4+-0.牛1口1.5+-0o.牛e2士段;f15+-oa.;目的:检验PX13.5s灯头的定位凹口的最大外形尺寸和聚焦盘的直径检验:在将灯的玻壳由量规的Y面插人量规时，灯头的聚焦盘应不能完全进人Y孔。在进行检验时，不得施加过度的力6998-GB/T-35B-1 GB/"r6998-2002成品灯上P14.5s预聚焦灯头的通规关于P14.5s灯头，参见GB2500门鳌浓浓斗议尸-门h口琴理姗\称II1符号尺寸公差符号尺寸公差A,60士名.02U,0.8+-0.1}A11.5+-0.}2U,2+-0.{A,6.5士0.，.02X8.8士0..02B,6.9-f0.02y18.5-}0.牛‘+0.0B,3.8Z20一0.02+-0.lM,7.5+-0.}{a26士牛;M,3.0+-0.牛{h13士;.;M,18.05士}.}2sa5。士;{:+0.01s3.55夕600一0.()+-0.{:+0.01T,4.2一0.01目的:检验P14.5s灯头相对于灯座的匹配插入性能。检验:玻壳在前，将灯泡由量规的W面插人量规，灯头基准面一侧的聚焦盘的表面应能接触到量规的全部三个凸台。此时，连接片末端不得凸出于W面6998-GB/T-49-1n GB/T6998--2002检验成品灯上P14.5s灯头凸销的高度(T的最小值)的It规关于P14.5s灯头，参见GB2800I-叫柱塞剖面卜I符号尺寸公差T2.8士0.02口2，5+-0.}h0.7-I-0.}5f5.5士0.1d12给-0.20l}S4+0.}目的:检验成品灯上P14.5s灯头尺寸T’的最小值。检验:将量规依次放置在两个凸销的每一个上，并使量规的X面与灯头聚焦盘的表面相接触，然后按压量规的柱塞，一直按到底。此时，W面不应低于V面。6998-GB/T-64-1 GB/T6998-2002成品灯上PG22-6.35预聚焦灯头的通规Xr[ff$"--If~-1YMI"^工子国符号尺寸公差+0.005D6.3;一0.005F_2.79+.-0.1‘+00F6.1一0.025斗一0.025G1.27一0.0丙约4万约25目的:检验GB280。中所示相应灯头的插脚间距、插脚直径(尺寸1)和E)、尺寸F的最小值和尺寸G的最大值。检验:将灯头的插脚由量规的X面插人量规，在完全插人后，灯头的表面应与量规的表面相接触。此时，插脚的末端应与Y面共面，或凸出于Y面。6998-GB/T-48-1 GB/T6998-2002成品灯上PK22s灯头的组合通规门)关于PK229灯头，参见GB2800X面和Z面在同一平面部件1符号尺寸公差1-0.01A23.25剖面T-T一0.0五11给}‘大16+-0..01M10.0+--0..o0fR25-10.名1R,0.5+0..10+0.005R,11.175一0.00S18.3+-0.}‘T几.0+-0.01U9.6-+o0..01部件na8+-0.名‘n!1b7士;.1‘c30.05士}.02d30士0.吕2尸3士0.01f2}-0.{g4.75}-0.9‘h4.7士0..01I11}-0..50k14士牛.{6998-GB/T-66-214 GB/"r6998-2002成品灯上PK22，灯头的组合通规(2)目的:就尺寸A,a,6,E,K,L,M,R,R=S,T,U和W检验带PK22s灯头的灯泡的互换性。注:表中所示A值包括灯头活负所示尺寸w的公差。检验:将灯泡插人量规的部件工，灯头聚焦盘的基准面应能接触到量规的X面。然后，将部件II放置在部件I上，直至使Y面接触到部件I的Z面此时，(柱塞的)V面不得凸出于W面6998-GB/T-66-2 GB/"r6998-2002成品灯上P26s灯头的通规关于P26s预聚焦为灯头，参见GB2800符号尺寸公差A31.5+-0..02+0.005B26.0一0.0以约朽L约8‘约1.6目的:就最大尺寸，检验成品灯上P26、灯头的互换性和匹配性检验:玻壳在前，将灯泡由量规的S面插人量规，灯头的三个支撑凸台应能接触到量规的X面。6998-GB/T-36A GB/T6998-2002PX26预聚焦灯头的通规关于PX26灯头，参见GB2800符号尺寸公差A,20.0+9.}1G3.5+-0.{2x吕.0+-o.ozM26.0+-0.}‘YJ3A.1土名.}“Q30.7+-0.)，Z2+-0.}护一，0.3士牛.;厂冷0.」士且，10十1。一I一10一l目的:就最大尺寸，检验成品灯上PX26灯头的互换性和匹配性。检验:玻壳在前，将灯泡由量规的S面插人量规.灯头的三个凸台应能接触到量规的Z面。6998-GB/T-5-2 GB/T6998--2002PX26预聚焦灯头的连接片的通规和止规关于PX26灯头，参见GB2800剖面工一I符号尺寸公差B6.4士0.02十0.0B,62一0.02+0.0C12.56一0.01C,10.44+-0.9，X8.0t-0.02b2-}--0.{目的:检验PX26灯头的连接片。检验:不用过度的力将成品灯上灯头的连接片同时插人量规的两道凹槽中，在完全插人时，两个连接片的末端应与量规的表面共面，或凸出于量规的表面。两个连接片均不得插人凹槽b而与Y面接触。6998-GB/T-5A GB/T6998-2002检验PX26预聚焦灯头尺寸M最小值的止规关于PX26灯头，参见GB2800符号尺寸公差M25.9士}.}，15g+-0.{rj0.45士}.};质量150g-+10%Y}目的:检验成品灯上PX26灯头的尺寸M的最小值。检验:将灯泡玻壳朝上放置，再将量规轻轻套在灯泡上。此时，量规不得同时触及到灯头的三个支撑凸台。进行该项检验时仅依靠量规自身的重量。6998-GB/T-5B-2 GB/T6998一2002成品灯上P28s灯头的通规关于P28S灯头，参见GB28。。符号尺寸公差一尺寸公差+0.025八27.7!雄9‘汉25.02一0.025一0.0B8.0一里一吸一}一0025一驾.1刀1[+0.025一V4.315+0.005{一00一0.005〔”33，96二}.}‘一W3698(1)土}.;‘二一0.01D283写r03怡驴一{十0.025Glt525一61。一0.0士舒}一{卞0025，j22，581。一0‘0一刀二罕十0.0M3.0450一0.05一绍列"一(1)某些灯座只适用于凸肩直径为35mm的灯头。在这种情况下，量规的尺寸W的值应降至34.98mm。目的:检验带最大尺寸的P28S灯头的灯检验将灯头的翼片通过量规的凹口a和夕插人量规，然后，旋转量规大约9。。，使翼片与量规的X面保持接触此时，中心触点应与量规Y面共面或凸出于Y面，但不得凸出2面。6998一GB/T一42一12O GB/T6998-2002检验成品灯上P30s预聚焦灯头的聚焦盘直径的通规和止规符号尺寸公差+0.005A,30.10一010+0.0A,30.05一0.005F16.0+-10.{目的:检验GB2800中所示相应灯头的尺寸A的最大值和最小值。检验:如果聚焦盘能进人开口X，而不能进人开口Y，则聚焦盘应视为合格。6998-GB/T-56-2 GB/T6998-2002成品灯上P30s预聚焦灯头主槽口的通规和止规符号尺寸公差+0.03.07一0.0053.17目的:检验GB2800中所示相应灯头的尺寸C的最大值和最小值。检验:如果量规的通规一端能进人主槽口，而量规的止规一端不能进人主槽口，则主槽口应视为合格6998-GB/T-56A-2 GB/T6998-2002成品灯上P40s预聚焦灯头的通规和止规稍倒角(见GB/T1483坛口式灯头的量规)“通规.面剖面I-I目的:检验GB280。中所示相应成品灯上，灯头的尺寸A的最大值，B，的最小值和最大值，C的最大值，D的最大值，角a的最小值和最大值。检验;a)将灯头插人量规的通规一侧，并使灯头翼片进人量规的凹口，然后旋转灯头约900，使翼片与量规的Y面相接触。此时，中心触点的表面应与量规的X面共面，或凸出于X面，但不得凸出于Z面b)在将灯头插人量规的止规一侧时，灯头的两翼片均应不能进人量规的凹口。6998-GB/T-43-2 GB/T6998-2002成品灯上P43c-38预聚焦灯头的通规关于P43t-38灯头，参见GB2800"一卫兰兰2z面2户9目︶之兮牛;兮牛、场场符号尺寸公差一尺寸公差+o.005+0.005L38.18.0一0.0一一00十0.005+0.005M43.03.1一0.0一一0.0+0.0N26.160.0一0.005一士0.;N,35.0士}.;一15.0给令+0.005了’4.92.0一0.0一士吕.;+0.005V6.6440一0.0一+-03}+0.005W2.2460一0.0一+--301"目的:就最大尺寸检验成品灯上P43t-38灯头的互换性和匹配性。检验:玻壳在前，将灯泡由量规的S面插人量规，灯头的三个凸片应能接触到量规的Z面6998-GB/T-39-124 GB/T6998-2002检验P43t和PX43t预康焦灯头的尺寸M的最小值的止规关于P43t和PX43t灯头，参见GB2800符号尺寸公差+0.0M42.9(1)一0.005以70+-Q0.;G15士0.;〔2-+0.l12+-0.;a450士;0"(1)对于PX43t灯头，该值为42.8mm,目的:检验成品灯上P43t和PX43t灯头的尺寸M的最小值。检验:玻壳在前，将灯由量规的S面插人量规，此时，灯头的三个凸片不应触及到量规的Z面。6998-GB/T-39A-3 GB/r6998-2002检验成品灯上P43t-38,PX43t,PY43d和PZ43t预聚焦灯头尺寸Y最大值的f规关于P43t-38,PX43t,PY43d和PZ43t灯头，分别参见GB2800Z面x面灯的插入方向(玻壳在前)符号尺寸公差Y32.0+-0.吕‘a4.0+-0.;e12.0土0..2+0.1L38.1一0.0n53.0士;.;目的:分别检验成品灯上P43t-38,PX43t,PY43d和PZ43t预聚焦灯头的尺寸Y的最大值。检验:将灯插人量规，直至使其基准面接触到量规的Z面。此时，灯头的触片不应凸出于X面。6998-GB/T-39B-2 GB/T6998-2002成品灯上PX43t预聚焦灯头的通规(1)关于PX34t灯头，参见GB2800"-M-兰N]z面洲广(x丙)之S面z/碳丫}ti视图X砂视图x6998-GB/T-34A-1 GB/T6998-2002成品灯上PX43t预聚焦灯头的通规(2)符号尺寸公差一尺寸公差+0.005+0.005L38.110.0一0.0一一0。0+0.005+0.00.1M43.0Z丁3I一00一0.0+0.0N26.160.0一0.0051+-0.;N,3510士0..10一15.0+-0.牛+0.005了’4.92.0一0.0一士0.;+0.0Vl7.9440一0.0051+0"十0.005V,10.1460一0.0一+-03}"+0.005W2.2一0.0目的:就最大尺寸检验成品灯仁PX43r灯头的互换性和匹配性。检验:玻壳在前，将灯泡由量规的S面插人量规，灯头的三个凸片应能接触到量规的Z面6998-GB/T-34A一128 GB/T6998-2002成品灯上PYQ加预聚焦灯头的通规关于PY43d灯头，参见GB2800MZ面︵又巴袱细部图d犷份2叭片符号尺寸}符号尺寸公差+0.005+0.005I38.1Z8.0一0.0一0.0十0.005十0.005M13.0Z,3.1一0.0一0.0M220.0士}.吕‘口60.0+-0.lNb15.0-F0.;N,3256..01半士}.{〔2.0+-0.;斗0.005了，4.9r12.5一0.0士{一牛1+0.0V,7.9al54。一0.005+-03,"+0.005V10.1a256"一0.0写牛0.005+3。厂W2.2Y600一00一30"目的:就最大尺寸检验成品灯上PY43d预聚焦灯头的互换性和匹配性。检验:玻壳在前，将灯泡由量规的S面插人量规，灯头的三个凸片应能接触到量规的Z面。6998-GB/T-88-129 GB/T6998-2002检验成品灯上PY43d和PZ43t预聚焦灯头的尺寸M的最小值的止规关于PY43d和PZ43t灯头，分别参见GB2800符号尺寸公差+o.oM42.8一0.005口70二:.:b15士:.:‘2士:.:Z10士:.:+30550一30目的:分别检验成品灯上PY43d和PZ43t灯头尺寸M的最小值。检验:玻壳在前，将灯泡由量规的S面插人量规，此时，灯头的三个凸片不应触及到量规的Z面6998-GB/T-88A-1 GB/T6998-2002成品灯上PZ43t预聚焦灯头的通规关于PZ43t预聚焦灯头，参见GB2800VZ面一x川)之细部图d1少才下对喻分"}:F1符号尺寸公差一尺寸公差+0.005+0.005I,38.18.0一0.0一一00+0.005+0.005M43.03.1一0.0一一0.0M,20.0+-0.1‘一60.0士{.牛+0.0N26.115.0一0.005一b+-0.牛N,35.0士}.{一20+-0.令斗0.005T4.92.5一0.0一-+0..01+().0V,7.9540一0.005一+--03}+0.005v,10.1a2560一0.0+-03"+0.005W2.2600一0.0一士;;:目的:就最大尺寸，检验成品灯上PZ43t预聚焦灯头的互换性和匹配性。检验:玻壳在前，将灯泡由量规的S面插人量规，灯头的三个凹片应能接触到规的Z面。6998-GB/T-89-131 GB/T6998-2002P45t灯头的通规关于P45t灯头，参见GB2800符号尺寸公差+0.005M45.0一0.0亡10士0.;d24士10.}r4+-0.;目的:检验P45t灯头的尺寸M的最大值。检验:将直径为M的灯头部件插人量规，直至灯头的基准面与量规紧密接触6998-GB/T-95A-2 GB/T6998-2002P45t灯头的止规关于P45t灯头，参见GB2800符号尺寸公差+0.0M44.8一0.005a45.2+-0.}f0.5+-0.}5+1.0d24一0.0+0.2尸4一0.2h10+-0.l目的:检验P45t灯头的尺寸M的最小值。检验:将直径为M的灯头部件由量规的X面插人量规。在将灯泡推人量规时，灯头基准面不应接触到量规的X面。6998-GB/T-95B-2 GB/T6998-2002P45t灯头定位凹摘的通规和止规关于P45t灯头，参见GB2800符号尺寸公差+0.005v3.1一0.0+0.0V,2.9一0.005d3士;.1e3士牛.1目的:检验P45t灯头的尺寸v的最小值和最大值检验:定位凹槽应能进人尺寸为V的开口，但是，不能进人尺寸的v，的开口。6998-GB/T-95D GB/T6998-2002P45t灯头定位凹槽的f规关于P45t灯头，参见GB2800符号尺寸公差M45.1+0..05W12,2+-0.;‘+0.0w,1.8一0.01C10+-0..2d14士令.;尸6士9.要目的:检验P45t灯头的尺寸W的最小值和最大值。检验:转动量规，定位凹槽应能越过X面而不能越过Y面6998-GB/T-95E-2 GB/T6998-2002检验P45t灯头尺寸Y最大值的f规关于P45t灯头参见GB2800X面符号尺寸公差M45.01+-0.01y32.0-0.9‘a4+-0.令+0.2b48一0.2d24+-0.{+02e4一0.2目的:检验P45t灯头的尺寸Y的最大值检验:玻壳在前，将灯泡由X面插人量规，再推动灯泡，使灯头的基准面紧密接触到量规的Z面，此时，连接片不得凸出于X面。6998-GB/T-95F-2 GB/T6998-2002检验P45t灯头尺寸R最小值的且规关于P45t灯头，参见GB2800最大弹力:1N(1)当量规的Y面和Z面共面时，采用表中所示R值。目的:检验P45t灯头尺寸R的最小值。检验:将灯头插人量规，直至使其基准面接触到量规的X面。如果柱塞的Y面不低于量规的Z面，则尺寸R应视为合格。*由于尺寸R涉及到灯头聚焦盘的中心，本量规应结合相应的直径M的1/2来检验该尺寸。6998-GB/T-95G-2'