ARMY MIL-D-50476-1971 DETONATOR ELECTRIC M78E1 PARTS AND LOADING ASSEMBLING AND PACKING《M78E1电雷管零件及其装载 组装和包装》.pdf

《ARMY MIL-D-50476-1971 DETONATOR ELECTRIC M78E1 PARTS AND LOADING ASSEMBLING AND PACKING《M78E1电雷管零件及其装载 组装和包装》.pdf》由会员分享，可在线阅读，更多相关《ARMY MIL-D-50476-1971 DETONATOR ELECTRIC M78E1 PARTS AND LOADING ASSEMBLING AND PACKING《M78E1电雷管零件及其装载 组装和包装》.pdf（26页珍藏版）》请在麦多课文档分享上搜索。

1、 . I NIL-D-50476 13 W 797790b 0327632 5 = !. . . . .i. .: ?- .-L. . . MI L- D - 5 O 4 7 ( XU ) 24 June 1971 (See 6.7) MILITARY SPECIFICATION . I b I . DETONATOR, ELECTRIC, N78Ei PARTS AND LOADING, ASSEMBLING AND PACKIIIIG 1. SCOPE 1.1 Tds specification covers the inspection of the parts . and the lo

2、ading, assembling and packing of one type or electric detonator esignated as Detonator, Electric, i478E1. 2. APPLICABLE DOCUME“ 2.1 The following documents of theissue in effect on date of invitation for bids form a part of this specification to the extent specified herein. SPECIFICATONS . MILITARY

3、MIL-P-116 MIL-B- i1 7 MIL-A-1 4 8 MIL.-A-2550 - - / ._. . -6TAMDARDS . .MILITARY - Preservation Method of - Bag, Interior Packaging - Aluminum Foil - Armunition and Special Weapons; General Specification for MIL-STD- 1 O 5 - MIL-STD-109 - MIL-STD-331 .- MIL-STD-1168 - 4IL-STD-1235 - I -_ i t I Sampl

4、ing Procedures and Tables For Quality Assurance Terms and Definitions Fuze and Fuze Components, Environmental and Performance Test for Lot Humbering of Ammunition Single and Multilevel Continuous Sampling Proceaures and Tables for Inspection by Attributes Inspection by Attributes (ABC-STD-105) , FSC

5、: 1375 P THIS DOCUMENT CONTAINS -The detonator assembly shall comply with 3.4.1 Time.-The detonator assembly shall fire on tne first attempt within one hundred and twenty (120) microseconds when tested as specified in 4.4.7.1. . 3.4.2 Output.-The detonator assembly shall fire on the first attempt an

6、d shall make a 3/16 inch minimum (min.) diameter perforation in a .131i5 inch thick lead disc when tested as specified in 4.4.7.2. 3.4.3 Detonator that fails to fire on the first attempt (Duds).-The detonator assembly shall not fail to fire on the first attempt when tested as specified in 4.4.7.3. 3

7、.5 Waterproofness.-The detonator assembly shall comply with the requirements of 3.4.2 and 3.4.3 when tested as specified in 4.4.7.2. 3.6 Environmental 3.6.1 3.6.2 Temperature and humidity.-The detonators shall comply Lead circuit resistance, thermal shock, and vibration.- with 3.4.1 when tested as s

8、pecified in 4.4.10.1. The detonators shall comply with the lead circuit resistance requirement of dwg. 924.8640 and with 3.4.1 when tested as specified in 4.4.10.2. 3.6.3 Cold temperature.-The detonator assembly shall comply with 3.4.3 when tested as specified in 4.4.10.3. . 3.6.4 Hot tmperature.-Th

9、e detonator assembly shall comply with 3.4.3 when tested as specified in 4.4.10.4. 3.6.5 Jolt test.-The detonator assembly shall not function during the test, and shall be safe to handle after the test specified in 4.4.10.5. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted with

10、out license from IHS-,-,-MIL-D-50LI76 13 7779706 0327635 O MIL-D-50476 (MU) 3.7 Workmanship.-All parts shall be fabricated and loaaed in a thorough, workmanlike manner. They shall be free of burrs, sharp edges, cracks, dirt, rust and other foreign matter. The cleaning me.thod used shall not be injur

11、ious to any part nor shall the parts be contaminated by the cleaning agent. Exterior surface coatings, shall be continuous except for a few light scratches not exposing base material. All required markings shall be neat and sharply defined. 3.8 First article inspection.-This specification makes prov

12、isions for first article inspection. Requirements for the submission of first article sample by the contractor shall be as specified in the contract. 4. QUALITY ASSURANCE PROVISIONS - . -. .- 4.1 Responsibility for inspection.-Unless otherwise specified in the contract or purchase order, the supplie

13、r is responsible for the performance of all inspection require- ments as specified herein. Except as otherwise specified in the contract or order, the supplier may use his own or any ather facilities suitable for the performance of the inspection requirements specified herein, unless disapproved by

14、the Government. The Government reserves the right to perform any of the inspe.ctions set forth in the specification where such inspections are deemed necessary to assure supplies and services conform to prescribed requirements. Reference shall be made to MIL-STD-109 to define terms used herein. The

15、provisions of MIL-A-2550 shall apply. lot of items deliverable under the contract is submitted to the Government for acceptance, the contractor shall supply the following information acc,ompanied by a certificate which attest that the information provided is correct and applicable to the product bei

16、ng submitted: a, A statement that the lot complies with all of the quality assurance provisions specified in this specification. b. Drawing and specification number and date, together with identification and date of changes thereto. C. A statement that all material purchased by the contractor meets

17、requirements, when such material is controlled by Government or commercial specifications referenced in any of the contractual documents, and that certificates of conformance are on file and available for review. I 4.1.1 Submission of product.-At the time each completed d. Number of items in the lot

18、. e. Date submitted. I. _. . t. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-5047b 13 I 799990b 0327636 2 I MIL-D-5047 (KiJ) The certificatelshall be signed by a responsible agent of the certifying organization. The initial certificate submi

19、tted shall be substantiated by evidence of the agents authority to bind his principal. Substantiation of the agents authority will not be required with subsequent certificates unless, during the course of the contract, this authority is vested in another agent of the certifying organization. . 4.2 F

20、irst article inspection 4.2.1 Submission.-Prior to the start of regular production, the contractor shall submit a frist article sample (see 6.1) $0 a Government approved facility as designated by the con- tracting officer for evaluation as specified herein. The first article sample shall consist of

21、inert parts and sub- assemblies (see 4.2.4) and loaded detonators (see 4.2.5) , which have been produced by the contractor or furnished by a supplier and which have been manufactured using the same pro- duction processes, procedures and equipment which will be used in fulfilling the contract. All pa

22、rts and materials, including packaging and packing, shall be obtained from the same source of supply as will be used in regular production. Prior to submission, the contractor shall inspect the sample to the degree necessary to assure that it conforms to the require- ments of the contract and submit

23、 a record of this inspection with the sample, including certificates of conformance for materials. A sample containing known defects will not be submittea unless specifically authorized by the contracting officer. A first article sample, or portion thereof, as directed by the contracting officer, sh

24、all also be submitted whenever there is a lapse in production for a period in excess of 90 days or whenever a change occurs in manufacturing process, material used,.drawing or specification such as to significantly affect product uniformity as determined by the Government. . 4.2.2 1nert.parts.-A sam

25、ple of twenty-five (25) each of every inert component parts and subassemblies shall be sub- mitted in accordance with the provisions of 4.2.1 for inspection as specified in 4.2.3. . 4.2.2.1 Inspections to be performed.-The component parts and subassemblies including the R.P. Filter and Plug Assembly

26、 will be cubjecked by the Government to any or all of the ex- aminations or tests specified in 4.3.2 and 4.3.3 of this specification and any or all requirements in the applicable drawings . 5 ! F .C_ . ,. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,

27、-,-MIL-D-50476 13 W 7977706 0327b17 LI e. MIL-D-50476 (MU) 4.2.2.2 Rejection.-If any cornponent part or subasseRbly fails to cornply with any or all of the applicable requirenierits, the first article sample shall be rejected. The Governnient reserves the right to terminate its inspection upon any f

28、ailure of a part to comply with any of the statea requirements. four (334) loaded detonators shall De submitted in accordance with the provisions of 4.2.1 for testing as specified in 4.2.3.1. 4.2.3.1 Tests.-The detonators shall be subjected to the following tests: 4.2.3.1.1 Time (see 3.4.1), output

29、(see 3.4.2), duds (see 3.4.3), and waterprooness (see 3.5).-0ne hundred and eight-five (185) detonator assemblies shall be selected and tested as specified in 4.3.3.9, Table II. seven (37) detonator assemblies shall be selecte and tested as specified in 4.4.10.1. 4.2.3 Loaded detonators.-A sanple of

30、 three nunare tnirty 4.2.3.1.3 Temperature and humidity (see 3.6.1).-Thirty- 4.2.3.1.3 Lead circuit resistance, thermal shock and vibration (see 3.6.2).-Thirty-seven (37) detonator assemblies shall be selected and tested as specified in 4.4.10.2. Twenty-five (25) detonator assemblies shall be tested

31、 as specified in 4.4.10.3. Twenty-five (25) detonator assemblies shall be tested as specified in 4.4.10.4. . assemblies shall be selected from the first article sample for this test. The test shall be performed as specified in 4.4.10.5. ing . sample shall be rejected if any of the following test res

32、ults occur: 4.2.3.1.4 Cold temperature conditioning (see 3.6.3).- 4.2.3.1.5 Hot temperature conditioning (see 3.6.4) .- 4.2.3.1.6 Jolt (see 3.6.5).-Twenty-five (25) detonator These samples shall not be tested for function- . 4.2.3.2 Rejection.-The loaded detonator first article 4.2.3.2.1 Time, outpu

33、t, duds, and waterproofness.-The rejectioq criteria of 4.3.3.9.2 shall apply. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-D-50476 33 I 7797706 0327638 6 E MIL-D-50476 (Pi) 4.2.3.2.2 Temperature and humidity.-The rejection critepia of 4.3.3.

34、9.2 sub-paragraph Itatt shall apply. 4,2.3.2.3 Lead circuit i-eslstanck, thermal shock and vibration.-The total number of detonator assemblies that fail to comply with the lead circuit resistance requirement equals - or exceed the requirement (see 4.3.3.10.2a). 4.2.3.2.4 Cold temperature conditionin

35、g.-One or more detonator assemblies fails to fire. 4.2.3.2,5 Hot temperature conditioning.-One or more detonator assemblies fails to fire. 4.2.3.2.6 Jolt.-Any detonator assemblies that fails to meet the requirements specified in 3.6.5 when tested as specified in 4.4.iO.5. .The Government reserves th

36、e right to terminate its inspection upon any failure of an item to comply with any of the stated requirements. 4.3 inspection provisions 4.3.1 Lot formation.-The term “inspection lot“ as used in this specification is defined as an essentially homogeneous collection of units of product from which a r

37、epresentative sample is drawn and inspected to determine conformance with the applicable requirements. The sample selected shall represent only that quantity.of units from which the sample was drawn and shall not be construed to represent any prior or subsequent quantities presented for inspection.

38、Homogeneity shall be considered to exist provided the inspection lot has been produced by one manufacturer in one unchanged process using the same materials and methods in accordance with the same drawings, same drawing revisions, same specifications and same specification revisiokls andcomplies wit

39、h the provisions for submission of product as specified in MIL-STD-105. Changes to the process, specifications, or storage, as determined by the Government, shall not be deemed to alter the homogeneity of an inspection lot. All material submitted for inspection in accordance with this specification

40、shall comply with the homogeneity criteria specified herein regardless of the type of sampling procedure which is being applied to determine conformance with requirements. Lot numbering, as required, shall be in accordance with MIL-STD- 1168. Each inspection lot of loaded detonator assemblies shall

41、contain: 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. . . :;q .“ - . . .- -. .-. . .- -i . MIL-D-50476 33 S 7797906 0327637 I MIL-D-50476 (MU) a. Parts of one lot interfix number from one supplier. b. PETN from not more than one lot. C. Lead a

42、zide of the same type from not more than two lots produced by the same nianufacturer in accordance with the same specification and same specification revision and which have subsequently been subjected to uniformly controlled drying and operating conditions at the loading plant. subparagraphs shall

43、be performed on inspection lots (see 4.3.1) o the coiriponents or assemblies designated in the applicable paragraph headings. Inspection for critical defects (and major defects, when so specified) shall be 100 percent. Sampling plans for major and minor defects shall be in accordance with MIL-STD-10

44、5 except that continuous sampling plans :ln accordance with MIL-STD- i235 may be used if approved by the Government. Instead of applying the AQL*s designated herein to the groups of major and minor defects listed, the contractor may elect to apply AQLs. $0 individual defects uisng an AQL of 0.40 per

45、cent for each major defect and the AQL of 0.65 percent for each minor defect. When this method is elected, it shall be applied to all of the major and minor defects listed in the applicable subparagraph of this section, except where 100 percent inspection is specified, and be documented as part of t

46、he contractors inspection system. Equipment necessary for the performance of the inspections listed shall be in accordance with 4.3.4. 4.3.2 Examination.-The examinations listed in the following 4.3.2.1 Cup (see dwg. 9243862 covering a detail of dwg. 9248640) . 1 Categories Defects . Critical: . Non

47、e defined. Ma j or : -. 101. 102. . 103. 104. Minor : 201. 202. 203. 204. 205. 8 Method of Inspection AQL 0.65 percent Thickness through bottom, . Gage Total length. . Gage Dent or distortion Visual Foreign matter on interior surrace., . Visual AQL 2.50 percent Profile of.ip Gage Inside diameter, mi

48、n Gage Outside diameter (maximum) max,.Gage Radius missingVisuab Evidence of poor workmanship (see 3.7). visuai Code No. O1001 01002 01003 01004 01005 O1006 01007 01008 01009 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-.- -* . . MIL-D-50LI76 13 P

49、I 979990b 0327620 4 I . * * .* .l. * i . MIL-D-50476 (MU) 3 J -i -* ._ 4.3.2.2 chip, nsulator (see dwg. 9248656 Covering a detail of dwg. 9248649). Categories Defects Method of Code No. Critical: None defined. inspection .- .* .- .+ -i Na3 or : AQL 0.40 percent -? 101. Silver missing or incompleteVisual 02001 i 102. Edges not free of silver.,Visual 02002 5 Minor: AQL 1.50 percent 201. Length gage 02003 -. 202. Widt