NAVY MIL-M-15991 D-1986 MARKING MACHINE HAND OPERATED《手动刻印机器》.pdf
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1、.s - 637 - distribution is un1 imi ted. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-M-15991 D(AS) MILITARY MI L-W-5086/ 1 Wire, Electric, Polyvinyl Chloride Insulated Nylon Jacket, Tin-Coated Copper Conductor, 600 Volt, 105 Degrees C MI L-W-5
2、088 Wiring, Aerospace Vehicle MIL-H-5606 Hydraulic Fluid, Petroleum Base, Aircraft, Missile, and Ordnance MIL-1-7444 Insulation Sleeving, Electrical, Flexible STANDARDS MILITARY MI L-STD- 105 Sampling Procedures and Tables for Inspection by Attributes (Copies of specifications and standards required
3、 by suppliers in connection with specific procurement functions should be obtained from the procuring activity or as directed by the contracting officer.) 2.1.2 Other Government documents. The following other Government documents form a part of this specification to the extent specified herein. Unle
4、ss otherwise specified, the issues shall be those in effect on the date of the sol ici tation. NATIONAL BUREAU OF STANDARDS Handbook H-28 - Screw Thread Standards for Federal Services (Copies of handbooks, and other Government documents required by the contractor in connection with specific acquisit
5、ion functions should be obtained from the contracting activity or as directed by the contracting activity. 1 2.2 Other publications. The following document(s form a part of this specification to the extent specified herein. Unless otherwise specified, the issues of the documents which are DOD adopte
6、d shall be those listed in the issue of the DODISS specified in the solicitation. specified, the issues of the documents not listed in the DODISS shall be the issue of the nongovernment documents which is current on the date of the solici tation. Unless otherwise UNDERWRITERS LABORATORIES, INC. STAN
7、DARDS FOR SAFETY UL 498 Attachment Plugs and Receptacles UL 499 Electric Heating Appliances (Application for copies should be addressed to Underwriters laboratories, Inc., 333 Phingsten Rd., Northbrook, IL 60062.) Provided by IHSNot for ResaleNo reproduction or networking permitted without license f
8、rom IHS-,-,-2.3 Order of precedence. In the event of a conflict between the text of this specification and the references cited herein (except for associated detail specifications, specification sheets or MS standards), the text of this specification shall take precedence. Nothing in this specificat
9、ion, however, shall supersede applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 Illustrations. Figures 1 through 4 are for the convenience of identification, and are not intended to preclude the purchase of marking machines which are otherwise in acor
10、dance with the requirements of this spec i fi cat i on. 3.2 Design. Marking machines furnished shall be of the manufacturers latest design. The design shall be such as to provide convenient and safe operation. All parts of the machines shall be new, designed and constructed to the requirements liste
11、d herein. All parts subject to wear, breakage and distortion shall be readily accessible for adjustment and repair. The entire machine shall be UL approved. Asbestos shall not be used in the construction of thi s machi ne. 3.2.1 Safety devices. The marking machine shall be fitted with safety devices
12、 or coverings for all parts that present safety hazards. All coverings shall be designed to provide access to guarded parts. 3.2.2 Bearings. Bearings and sliding surfaces shall be cast iron, steel, bronze or commercially available ball or roller bearings where required and conform to commercial requ
13、irements. 3.2.3 Lubrication. All bearings (except sealed-for-life type) and other working parts shall be provided with ample and suitable means of lubrication. 3.2.4 Interchangeability. All replaceable parts shall be constructed to definite standards, tolerances, and clearances in order that any suc
14、h part of a parficular type or model may be replaced or adjusted without requiring mod i f i c at i on . 3.2.5 Material. The material to be used in the construction of marking machines shall be of uniform quality and condition, and shall conform in composition, heat-treatment, and sui tabi 1 i ty to
15、 the standard practices of manufacturers producing equipment of the type called for in this speci f i cati on. 3.3 Construction. The marking machine and its equipment shall be complete so that when installed in its intended application it can be used for any operation for which it was designed. Cons
16、truction shall be free from any characteristics or defects that will prevent the machine from passing any of the examinations and tests specified herein. 3.3.1 Castings and forgings. All castings and forgings shall be free fom defects, scale and mismatching. In no event shall such processes as weldi
17、ng, peening, plugging or filling with cold solders or metallic pastes be used on castings or forgings for reclaiming any parts of flexible shaft machines. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-M-15991 D(AS) 3.3.2 Welding, brazing or s
18、oldering, Welding, brazing or soldering shall be employed only where those-operations are included in fabrication of the original design. These operations shall not be employed as repair measures for defective parts. 3.3.3 Surfaces. All surfaces of all castings, forgings, or molded parts shall be cl
19、eaned and free of sand, dirt, fins, sprues, scale, flux or other harmful or extraneous materials. External surfaces shall be smooth and all edges shall be rounded or beveled. 3.3.4 Painting. Marking machine shall be painted in accordance with the manufacturers standard practice. 3.3.5 Fastening devi
20、ces. All screws, pins, bolts, and similar parts shall be installed with means of preventing loss of tightness. All such parts when subjected to removal or adjustment, shall not be swaged, peened, stacked or otherwise permanently deformed. 3.3.6 Threads. All threaded parts shall be in the inch system
21、 and shall conform to Handbook H-28. 3.4 Marking machines, style A. Style A marking machine shall be similar 3.4.1 Type. Type shall be brass, zinc or equivalent hard surfaced to figure 1 and 2 and shall comply with 3.4.1 through 3.4.4. material able to retain its character with repeated heatings and
22、 imprintingc. Type shall have a hardness at 70F of not less than 50 on the Rockwell scale. “B“ 3.4.1.1 Wire marking type. Wire marking letter and numeral type sets shall be furnished as shown in table I in radius of type face for use on wire diameters listed for the character height and position spe
23、cified (see 6.2). Table I - Wire marking, type for style A marking machine. Character I Radi us I Used on wire of outside diam Height I Position type face Minimum I Inch I I Inch I Inch I I I 0.065 Verti cal O. 050 Horizontal 1/16 Horizontal 5/64 Horizontal 7/64 Horizontal 0.024 O. 027 O. 038 O. 055
24、 O. 125 O. 039 O. 052 O. 068 O. 096 0.166 of !ter Max i mum Inch o. 100 O. 070 O. 095 0.165 and larger 3.4.1.2 Sleeve marking type. Letter and numeral type sets for marking insulation sleeve shall have a flat face and shall be furnished in 0.052, 1/16-, 5/64-, 7/64- and 1/8-inch heights as specified
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