1、1, SCOPE 1; 1 Vghis speclffcat5.an ;e:over?a.the quallty.-:1e88urance provcisiohs and speclai .requirements db? a blqstlng machine (hand operated generator?):-:used :For detonathg electr%a-:blastlng eaps of Invitation For bilP -OF requersa;.fox?-progosaEs, form a part of thla speclfieatlon to -the e
2、xtent :srrpeoified hereh. SPECIFICATIONS PEDEFZAL Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-bQ41Q 13 9?199Qb 8338272 7 9 MIL-E-60410 (MU Mn-B-3106 - Board, Composition Water Re828tant, Solid MEElOS31 - Leather, Moi8ture andl Mold Resistan
3、t MIEC-45662 - Calibraelon System ReQUirO18nt6 Treatment Maintenanee of EIILI=4567 - InispeOtlOn EQUlPMnt, SUnly and MILITARY Mn-STblO.5 - Sampling Prooedures and Tables for MIL-STD429 - Marking for Shipgent and Storage MIL-STD-130 - Identlfloatlon Marking of U.S. Military MIL-STD-1168 0 Lot Numberi
4、ng of Ammunition ML-STP-1235 - Single and Multllevel Continuou6 Inspeetion by Attrlputee (ABC-STD-105) MIESTD-109 - Quality Assuranoe TW6 and DefinitIon8 Property Sampling Procedure6 and Tables for Inepecrtlon by Attributes PUBLICATIONS ORDNANCE CORPS ET-9200678 - Equlgmene Tabulation Number (Coples
5、 of speelfleatlons, standards, drawings an8 publlcatlons required by suppllere In conneotion with speelfie woeurement funotlons ehould be obtained From the proeuring mtivlty or a6 dtreotsd by the eontraoting officer). 2.2 OTHER PUBLICATIONS Ths foice, castings or forgings for re-claiming any parts o
6、f the blasting apparatus without authorization of the procuring activity. Strength and other physical 3,3.2 Welding, brazing and soldering,-Welding, brazing, and In no event shall peening or plugging be used on 3.3.3 Fastening devices.-All screws, pins, bolts, and similar parts shall be installed wi
7、th means for preventlng loss of tightness and adjustment;. All such parts shall not be swaged, peened, staked, 02 except connections on screw type terminals which shall be mechanically secured. 3 3 6 Lubrication. -All bearings (except sealed for lif e type) and other workzng parts shall be accessibl
8、e for lubrication, Apparatus shalJ be lubricated wherever necessary prior to delivery. 3.3.7 Safety devices.-Each blasting machine shall provide the operator with adequate protection against electric shock, 3,3,8 Interchangeability.-All replaceable parts shall be manufactured to definite standards,
9、clearances, and tolerances In order that any such parts of a particular type or model cn be replaced or adjusted without requiring modification. stamplngs, and wblded parts shall be cleaned and free of sand, dirt, fins, spme8, scale, nicks, gouges, dents, and scratches exposing bare metal, flux and
10、other harmful or extraneous materials, External 8wfaces shall be smoothed and all edges shall be rounded or beveled. 3.3,s Surfaces.=All castings, forgings, molded parts, 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I flIL-B-604LO 13 7977906 O33
11、8275 2 MIL-B-60410 (MU) 3.3.10 surfaces except electrical contact surfaces, shall be dull finished. conditions. Protective finishes.-All exposed metal and working Exposed metal is defined as metal exposed to atmospheric 3.3.11 Painting.-Unless otherwise specified by the procuring activity, surface p
12、reparation and paint application shall be in accordance with the requirements of Military Specificatiori MIL-T-704, except that the blasting machine shall be finishe4.with one coat of primer followed by two coats of enamel. (See 6.5 for color), 3.4 Performance and product characteristcs 3.4.1 Life c
13、ycle.-The blasting machine shall be capable of firing standard electric blasting caps, or electric squibs with the current output specified in 3,4.2. shall be capable of withstanding a minimum of 5000 actuations without requiring component replacement or repair and without a decrease of current outp
14、ut below specified level and at a min. rate of 20 actua.trions per minute. speed which results in the current output as specified In 3.4.2. The machine and handle Each actuation shall be at a rotational 3.4.2 Capacity.-The blasting machine shall have a current . output, sufficient to fire or detonat
15、e at least ten electric blasting caps or electric squibs properly connected in series, connected through a minimum of 500 feet of two conductoro, insulated No. 18 (min.) copper firing cable. The machine shall deliver a minimum of 1.5 amperes DC through a minimum external resistance of 52 ohms for a
16、duration of more than 10 milliseconds, addition, it shall not be possible for the machine to deliver any current output that is less than 1.5 amperes, DC, 3.4.3 Characteristics, dimensions and weight.-The blasting machine shall be of sturdy oonstruction, capable of withstanding rough handling and us
17、age in the field. height of 6 14 inches, less handle arid 8 1/2 inches with-handle, width of 4 5 / 8 Inches, depth of 3 5/8 inches. It shall not exceed a weight of six pounds. In It shall not exceed a 3.4.4 Temperature and humidity conditions 3.4.4.1 Storage temperatures.-The blasting machine and al
18、l components shall be able to withstand storage without damage in a temperature of manus 65 degrees F. for a period of 72 hours, and a 24 hour cycle of temperature, starting with 10 hours at plus / - . _1 . _I- .- o Provided by IHSNot for ResaleNo reproduction or networking permitted without license
19、 from IHS-,-,-MIL-B-bOLILO 13 E 9779906 0338276 4 E c MIL-B-OO (MU) 90 domees P., followed by 5 hours of steady increase to plus 155 depese I?., 4 hows at plus 155 degrees F., and 5 hours of steady decrease to plus 90 degrees F. Following these extreme exposures and when stabilized at plus 80 degree
20、s F. plus or minus 10 degrees F.* tho blaseir! slppwatus shall conform to the performance roqu1reil;qnLs of 3.4.1 and 3.4.2. - 3.4.4.2 Operating tenperature.-The blasting machine and all comgonents shall withstand without dmage and operate within the requirements set forth in 3.4.2, while subjected
21、to operating temperatures of minus 40 demees F. and plus 125 degrees F. operate within the requiromsnts of 3.4.2, after exposure to 20 hours of Pelative humidity between 92 and 97 percent at air temperatures from plus 80 degrees F. to plus 85 degrees F., followed by 4 hours of 100 percent relative h
22、umidity with condensation at plus 75 degrees F. to plus 80 degrees F. 3.4,s Vibration.-The blasting machine shall be capable of withstanding vibration of simple harmonic motion, for 1 hour in each of the three major axial directions, at an amplitude of 0,030 inch (0.060-inch total excursion) and at
23、a frequency variation such that the entire range between 10 and 55 cycles per second is covered each minute. Following vibration, the blasting machine shall show no externally visible or audible evidence of damage and shall conform to the requirements of 3.4.1. and 3.4.2, dropped a vertical distance
24、 of 4 feet through each of ita three maJop. axes on a solid concrete aurface. blasting nachine shall conform to the requirements of 3.4.1 and 3.4.4.3 Hwidi.ty condtIons,-Thc blastis and external metal pats. Potentials applied shall be 500 volts DC. Following chis test, Lhe blasting machine shall con
25、form to the requirements of 3.4.1 and 3.4.2 3.4.8 Waterproofness.-The blasting machine shall be capable of withstanding sulmersion mer a four roo% column of water, Por a continuous period of a% least eight hours. The temperatye oi? the water to be approxina5ely the same as that of the machine at *he
26、 tlae of iamsion. mehine shall show no evidence of water seepage and shall conform to the requirements of 3.4.1 and 3.4.2. 6 Following the submersion, the blasting Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-bO4LO L3 E4 7777906 0338277 6 MIL-
27、B-60410 (MU) 3.5 Detail of components.-The blasting machine shall consist 3.5.1 Generator,-The generator of the blasting machine of the following principal component parts: shall be of the self-excited, shunt or compound wound direct-current type. insulated and impregnated with suitable varnish or c
28、ompound whose melting point shall be above 80 degrees C. paraffin shall be used for impegnating windings or coils. material and construction of the magnetic circuit shall be such as to retain a strong residual magnetlsm. The armature windings and field coils shall be carefully Neither shellac nor Th
29、e 3 . 5.2 Operating mechanism. -The operating spindle shall extend through the top of the enclosure and shall be operated by a i detachable handle, which shall be secured by a chain to the blasting machine. The,protruding portion of the operating spindle shall be enclosed withsn a shaulder or collar
30、 so designed that the operating spindle cannot be operated except by the handle. The operating handle shall be proportioned and dimensioned with at least 1 1/2 inches minimum clearance between the under side of the hand grip of handle and the top of any machine obstruction, to permit the operator a
31、firm grasp without striking the knuckles, during the twisting or turning movement, Proper funcEion shall be accompltshed with one twist of the hanle a maxhum of 150 degrees, The operating spindle shall cause the armature of the generator to revolve at an adequate speed and for the proper time durati
32、on for the detonation of electric blasting caps as specified in 3.4.2. any moving parts. wa3cerproof metal case. White metal shall not be used for gears, pinion8 or 3.5.3 EnC%osure.-The enclosure sha13: be a rugged, durable, 3.5,3.1 Carrying strap.-A leather carrying strap not less than 3/4 inch wid
33、e and not less than 5/64 inch thick-.shall be fastened securely to the body of the blasting machine;: in such a manner that it can also be used as a stirrup on the under side of the machine, through which the operator may slip his hand for assistance in holding the machine firmly in one hand whlle o
34、perating the handle with the other, 3e5*3,2 knurled thumb nuts which cannot be removed, shall be mounted on the top of the case, so proportioned as to permit wires a8 small as . 0.032 inch in diameter and as large as 0.081 inch in diameter to be firmly clamped by the thumb nuts. Binding posts and th
35、umb nuts shall be nonferrous, conductive metal, Thumb nuts shall be finished in accoranoe with paragraph 3.3.10. Binding posts.-Two binding posts, with suitable Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-60410 13 m 7797706 0338278 8 _ _ .-
36、 F- MILE60410 (MU) 3.6 Electrical components.-Electrical components of the- . blasting machine, including wiring and their enclosures shall conform to and shall be located in accordance with the NEMA Elec%rical Standards, except as specified by the procuring activity. where the requirements exceed t
37、he manufacturers rating for the part . _ No component parts shall be used in any application 3.7 Fungus treatment.-The blasting machine shall be treated for fungus resistance in accorance with the requirements of Military Specification MIL-T-152, using material conforming ta requirements of Military
38、 Specification MIL-V-173. shall be tpeated for moisture and mold resistahce in accordance with the requirements of Military Specification MIL-L-10331, 3.8 Identification of product.-Tne blasting machine shall be marked for identification in accordance with Military Standard LeaheEs MIL-STD-130* 3,9
39、Instruction plates.-A bras.s instruction plate shall be attached to each blasting machine giving Federal stock number and manufacturerfs serial number, the rated capacity expressed in the number of electric blasting caps, each having copper leg wires 30 feet in lengthp that can be fired In series, a
40、nd the proper method of operating the unit. plate shall include the notation: capacity temporarily; to restore, twist handle vigorously a few times before connecting circuit.“ The instruction “This machine may lose 3.10 Handbook of instructions.-The contractor shall furnish one copy c.t a hkndbook o
41、f instructions with each machine supplied under this specification. operating instructions, drawings, testing instructions, illustrations, parts lists, manufacturers part numbers, lubrication instructions, assembly and disassembly instructions and safety precautions, to tnsure proper operation and m
42、aintenance of the Blasting machine. A preliminary copy of Che instruction handbook shall be,submitted to the contracting officer for approval prior to publication an delivery, The handbook shall contain necessary 3.11 Workmanship.-All parts and assemblies shall be fabricated and finished in a thorou
43、gh, workmanlike manner. They shall be free of bm8, sharp edges;surface defects, dirt, grease, rust, corrosion products and other foreign matter. nog be injurious to any part nor shall the parts be contaminated by the cleaning agent. The cleaning method used shall Surface coatings shall be continuops
44、 except 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-60LILO 13 9777706 0338277 T m MIL-B-60410 (MU) for a few light scratches not exposing base material. markings shall be neat and sharply derined. shall be free from any defects which may
45、affect serviceability and conforraance with good comercial practices, First article ir,spcction.-This specification:, makes provisions for first mticle inspectlon. Requirements for the subaission of first roticle smplee by the contractor shall be as speciflee in thu contract. All required The blasti
46、ng machine 3,12 4, QUALIFY ASSURANCE PFOVISIONS 4.1 Gsn,?-al quality assiance p;novisions.-Unless otherwise specified in Che contract or pmchasc order, the supplier is responsible for the perfomnancs of all inspection requirements as specified herein. Except as otherwise specified, Vne supplier may
47、utilize his om facilities or any cormercial laboratory acceptable to the Government. The Goverment reserves the right to perform any of the inspections set forth in the specification where such inspections are deemd necessary to assure supplies and services conform to prescribed requirements. Standa
48、rd MIL-STD-109 in order to define the terms used herein. provisions of Specification MIL-A-2550 shall apply. of product is submitted to the Goverment for acceptance the contractor shall supply the following Information accompanied by a certificate which atlests that the information provided is corre
49、ct and applicable to the p-oduct being submitted: a. A statement that the lot compltes with all quality assurance provisions specified within this specification. b. Nuvber of units of product inspected. C. Results obtained, by defect code, for all inspections perf ormed. d. Drawing, specification number and date, together with an identification and date of changes. e. Certificates of conformance on all material purchased by
