1、 -. . -. _- MIL-M-17413A (EA W) 15 June 1855 SUPERSEDING 6 February 1953 MIL-M-I7413(SHIPS) MILITARY SPECIFICATION MOTORS, DIRECT CUR3tENT; INTEGRAL H.P., NAVAL SHIPBOARD All interested Bureaus of the Navy Departient have concurred in the use of this ir “1 -t spcificatton. *. t z 1, SCOPE -* 1.1 Sco
2、pe. - This specification covers integral horsepower, corrosion resistant, direct-current, motors for shipboard use. 1.2 Classification. - Motors shall be of the following services as specified (see 6.2). c - Service A (see 3.1.22 and 6.1). Service C (see 3.1.23 and 6.1). 2. APPLICABm DOCUMENTS 2.1 T
3、he following specifications anstandards, of the issue in effect on date of invitation fsr bias, form a part of this specification: SPECIFICATIONS FEDERAL . FF-B-171 - Bearing, Ball, Annular, (General Purpose). FF-B-185 - Bearings, Roller, Cylindrical, and Bearings, Roller, Self-Aligning. HE-1-538 -
4、Insulatior., Electrical, Pasted-Mica. QQ-1-666 - Iron, Malleable; Castings. QQ-S-692 - Steel, Sheet, Cold Rolled. QQ-5-693 - Steel, Sheet, Hot Rolleo. GGG-P-781- Puller, Bushing, Bearing, Gear, Wheel Hub ad Cylinder Sleeve, . Installing and Removing. MILITARY WJL-P-14 - Plastic-Materials, Molding an
5、d Plastic-Parts, Molded, Thermosetting. MIL-C-25 - Capacitors, Fixed, Paper-Dielectric, Direct Current (Hermetically MIL-P-79 - Plastic-Materials, Laminated, Thermosetting Rods and Tubes. MIL-B-233 - Boxes, Repair Parts. JAN-E-251 - Electrical-Equipment; Rotation, Connections, and Terminal Markings
6、JAN-W-583 - Wire, Magnet. NIL-1-631 - Insulation, Electrical, Synthetic-Rech Compwition, Nonrigid. JAN-T-638 - Tape, Insulating (Electrical), Linen-Finish, Plain. MIL-1-695 - Insulation, Electrical, Paper (Slot-Cell) . MIL-W-806 - Wire, Armature-Banding, Steel, Tin Production (for Electrical and Mec
7、hanical Eqiiipment - MIL-P-997 - Plastic-Material, Laainated, Thermosetting, Electrical-insulating; MIL-V-1137 - Varnish, insulating (Electrical). MIL-F-1148 - Flber, Insulating. JAN-R-1149 - Rubber, Synthetic; Gaskets, Packing, Sheets, And Strips. MIL-E-2036 - Enclosures for Electric and Electronic
8、 Equipment (Navai Shipboard M;,-I-3193 - Insulation, Electrical, Sleeving, Flexible, Treated. MIL-1-3505 - Insulation, Electrical, Coil and Slot, High Temperature. MIL-B-3743 - Brushes, Electrical Contact and Carbon Plates, Electrical Contact Brush. MIL-1-15024 - Identification Plaes, information Pl
9、ates and Marking Information for Identification of Electrical, Electronic and Mechanical Equipment. MILPlY?S7 - Plastic Materials, Laminated, Thermosetting, Sheets, Glass-Cloth Melamine-Resin. MIL-S-15983 - Steel, Castings. MIL-R-15137 - Repair Parts for Electrical and Mechanical Equipment (Naval sh
10、ip- board Use). MIL-A-15153 - Aluminum-Base-Alloy; Die Castings. MIL-L-15719 - Lubricating Grease, High-Temperature, Electric Motor, Ball and Roller Bearing. MIL-W-16372 - Wire, Magnet, High Temperature. MIL-B-162Ei - Bronze, Bearing, Casting. MIL-P-16298 - Preservation, Packaging, Packing and Marki
11、ng of Electric Machines MIL-E-16366 - Electrical Clamps and Lug Terminals; Pressure Grip. MIL-0-16485 - Ohmmeter, Insulation-Resistance indicating. MiL-W-1657E - Wire, Electrical, Insulated, High Temperature. MIL-1-16910 - Interference Measurement, Radio, Methods and Limits; 14 Kilocycles MIL-A-1712
12、9 - Aluminum Alloy Casting, Sand; Resistant to Salt-Water. MIL-1-17166 - Iron Castings; Nodular Graphiiic (Ductile) Iron (for Shipboard Application). MIL-H- 17676 - Holder, Elecfrical Contact Brush. MIL-P-17721 - Plastic, Sheet, Laminated, Thermosetting, Glass Mat, Melamine Resin. MIL-P- 17849 - Pum
13、p, Centrifugal, Close-Coupled; Navy Standard. MIL-P-20085 - Packing, Sheet, Plant or Animal Fiber. MIL-S-20166 - Steel; Bars atii Shapes (for Hull Construction) (Incluciinc Material fcr Use). Naval Shipboard Use). Sheets, Glass Cloth, Silicone Resin. Use). MIL-W-3066 - Wire Armature Banding, Non-Mag
14、netic Iron, Chrome, Nickel-Alloy. - t Having Rotating Parts (Includes Associated Repair Parts). to 1060 Megacycles. Drop and Miscellaneous Forgings), NAVY DEPARTMENT General Specificaticns for inspection of Material. 14L3 - Lubricant, Eall- and Roller-Bearings. 4SB10 - Bearings, Roller, 46M2 - Metal
15、. Antifriction; Ingots and Castings. STANDARDS MILITARY MIL-STD-105 - Sampling Proceaues and Tables fer Inspection by Attrihtes. (Copies of specifica?ioas, standads, drawings, and publications reqdired by coztractors in connecYo2 with specific procuremen? functions should be obtained frcc: the procu
16、ring a2ericy or s irec:ed by t.e contracting officer. ) 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-t L c. NIL-fl-17423A bL = 7779706 OOB7287 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MI
17、L-M-l7413A(NAVY) . ! I .- 31.6.1.2.1 Where the resistance of the winding is 1. O ohm or more, method 2 (resistance) applies. Where the resistance of the winding is less than 1 ohm, the temperature measurements shall be deter- mined by method 1 (thermometer) except for those motors where the Winings
18、are inaccessible, in which case method 2 (resistance) shall be used. 1 . I 3.6.1.3 Shock resistance. - The motors shaii be capable of Withstanding the high-impact shock test specified in Specification MUI-S-901 and 4.2.4.22 hereln. 3.6.1.4 Armature windings. - in motors of a frame size larger than t
19、hat used for a motor having a rang of 5 horsepower at 1150 r. p. m. the armature coils shaU be form-wound (that is, wound, formed, and insulated before assembly in the core slots) and interchangeable. The coils shall be securely zetained in the slot by wedges. Banding wire shall not be used to secur
20、e the windings in the slot. Where steel banding wire is used to band the armature end turn windings, the wire shall be in accordance with Specifi- cation MiL-W-806 or MIL-W-3068. The insulation used under the wire shall be type FP, FC or RP of Specification MIL-1-695 for class A and pasted mica in a
21、ccordance with Specification HH-1-538 or mica- glass combination in accordance with Specification MIL-1-3505 for class B or H. tion MIL-H-17678. The spring shall not be depended upon to carry current. I 3.6.1.5 Brush holder springs. - Brush holer springs shall be in accordance with Specifica- 3.6.1.
22、6 Brush holders. - The type of brush holders shall be as follows: i (a) For reversible moors: Box type only. (b) For nonreversible motors: Box or type open. 3.6.1.7 Radio noise. - The design of the motors shall be such as to minimize the generation of radio interference. Where suppression harnesses
23、are required to reduce radio noise to the limits speci- fied (see 6.2) impedance coils and capacitors designed for suppression purposes shall be satisfactory to the bureau or agency concerned, and shall be capable of Withstanding high impact shock test in accordance with SpecLfication MIL-S-Bol. Cap
24、ctcitors shall be in accordance with Specification MIL-C-25. 3.6.1.7.1 Radio interference suppression devices, where required, shall be readily removable for replacement purposes and shall be capable of withstanding a voltage of 600 volts. Lf necessary the radio interference suppression devices may
25、be removed from the circuit when the motorh being subjected to the dielectric test specified in 4.2.4.12. with Specification MIL-1-16910, including suppression .limits, under all load and speed conditions. speed from rated load cold to rated loa3 hd, based on rated load speed hot shall not exceed th
26、e following percentages: 3.6.1.7.2 When specifically required (see 6.2), the motors covered by this specification shall comply 3.6.1.8 Change in speed due to heating. - Motors shall be so designed that the change Fn motor Class A insulation Open - 10 percent Others - 15 percent Classes B and H insul
27、ation AU degrees of enclosure - 15 percent o, Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-M-174L3A bL 9779906 0087207 O 3.6.1.9.1 Size and series. - Unless otherwise specified in the contract or order, the bearings shall - be of the size and
28、series as shownh table B of figure 1 and the applicable table for d. c. motors of Speci- fication MIL-P-17840. 3.6.1.9.2 Mounting. - The bearings shall be secured on the shaft by means of locknuts and lock- washers. The pulley end bearing shall be fixed axially in the housing by suitable housing and
29、 enci caF shoulders. Por gear case motors the front end bearing shall be fixed in the housing. The axial movements of the shaft shall be not more than O. O10 inch including bearing end play where the application d3es mt require the end play to be minimized. All fits and tolerance shall be in accoran
30、ce with Specifica- ion FF-B-171 (see 3.6.1.14 (b) (1). dimensions do not increase more than 0. O091 inch per inch of diameter during 2500 hours at 149C. %;nere heat stabilized bearings are used they shall be of the type specified in 3.6.1.9 (b). 3.6.1.9.3 Heat stabilization. - Bearings operating abo
31、ve 906C. shall be heat stabilized s3 tkt their 3.6.1.10 Roller bearing. - When roller bearings are used, they shall conform to Specifica- tion 42E10 and Specification FF-B-185. 3.6.1.11 Sleeve bearings. - The inside diameter o the ol ring shall be in accordance with table VI, Table VI - Diameter of
32、oil ring. Diameter of shaft : Minimum inside diameter of ring : Inches : Up to 2, inclusive : 2 times diameter of shaft : Over 2 up to 6, inclusive : 4 inches or 1.75 times diameter of shaft,: : whichever is greater : Over6 : 10.5 inches or 1.60 times diameter of : : shaft, whichever is greater 3.8.
33、1.11.1 Rigs shall have a true circular shape and shall be of uniform cross-section, The coss- . section shall preferably be that of a truncated cone with the base on the shaft, Rings shall be macFAne5 all over and shall have all corners rounded. The finish shall be smooth an free from flaws. Split u
34、ii rings shall not be used. I 3.6.1.12 Methods .of attaching fans to shaft. - Where fans are not an integral pzrt of the sh! key seat. (d) A Woodruff key with a locked set screu- secure on the key. The 6ecign sn!? load r. p. E., horsepower, volts, identification plate ampere, insulation class, type
35、of mounting, type of winding, service classification and permissible ambient temperature. following comment in Remarks column “Repair part onlyJJ, tion MIL-D-963. (bb) Phantom view of grease cups. Flagged and listed in list of material with Note. - Figure 2 is indicative of the general arrangement a
36、nd information desired by the bureau or agency concerned for a master drawing for a two-speed integral horsepower direct-current motor. The bureau or agency con- cerned recognizes that the information required on other designs of motors; such as single speed, will not be the same as shown hereon. Ir
37、, such cases it will be permissible to add or subtract tke necessary columns, and information, so as to fit the particular motor. 3.6.1.15 Standardization. - Unless otherwise specified in the contract or order, motors shal: k i conformance with the standardization requirements shown on figure 1 for
38、general purpose mot3rs azi Specification MIL-P-17840 for clase-coupled pump rnobrs. Where nmstandard m3tars are procIue5, the requirements of figure 1 and Spectcation MIL-P-17840 may be usec as a guide in determining tne frame and bearing sizes to be used. indicate the direction of rotation. 3.6.1.1
39、6 Direction of rotation. - Nonreversiblemotors shall be marked in E permanent marer t: 3.6.1.17 Seals. - Except where double sealed ball bearings in accordance with 3.6,l. 9 (cl ere tsc; -u, the housing shall provide for a close-clearance metallic (nonrubbing) seal on both sides of the b- for exampl
40、e, watertight and submersible motors. Such sealing arrangements shall however, be satisfactory to the bureaii or agency concernes (see. 3.2.19.1.2). 3.6.1.18 Securing armature core to shaft. - Keys or keys in canjunction with press or shriE: fits shall be provided to prevent rotation of the core aro
41、und the shaft, (see 3.2.20. i). 3.6.1.19 Securing commutator core to shaft. - The commutator core shall be secured rigicy tz the shaft or spider by keying to prevent rotational movernent of the core around the shaft. Means s:.ia:r be provided to prevent axial movement of the core along the shaft, (5
42、ee 3.2.21. i). 3.6.1.20 Commutatx tightening. - in motors having frame sizes correspanciing to 5 horsepxor zt 1800 r:p,m. and above, suitable provisim shall be made for tightening the commutator retainin5 Lzqes without the necessity of removing the commutator from the shaft or spider. 3.6.1.21 Secur
43、ing brush holder yoke. - The yoke shall be secured to the en6 bracket in suo; a manner as to prevent loosening of the yoke under shock or vibration. Lo qeneral, securing the yske tt the end bracket by means of a set screw is not considered satisfactory, (see 3.2.22.4). 3.6.1.22 Securkg terminal lead
44、s. - A lead clanp shall be provided on all xcotors. The rr;e:hzZ of fastening shall be suck that nc strain fro= the outsie canmme upon the cmnections within CL rc2:r frame. Theuce of friction rubber bushings, unclamp mly. stock nuabers. Provided by IHSNot for ResaleNo reproduction or networking perm
45、itted without license from IHS-,-,-.I MIL-M-37433A b3 777790b 0087235 T MIL-M-174134 (MVY) 3.7 Motors for submarine service. - 3.7.1 Limitations. - 3.7.1.1 Volta e as specified (id The nominal voltage and voltage range of xotxs shall be one of the fo:lm-ha c Nominal voltage Voltage range 250 250 500
46、 Special 175 345 203 - 355 350 - 710 special 3.7.1.2 Duty. - 3.7.1.2.1 Continuous. - The duty of continuous rated motors shall be as specified in table VII. : i i Table W - Duty of continuous rated motors. : Nominalvoltage i : andvoltage range i 250 (175-345) i : Terminal voltage : Terminal voltage
47、: Terminal voltage : : Continuous : 345 355 710 .I 250 250 500 : Continuous : 200 800 400 : 30mbutes : 175 - 350 : 10minutes : : 250 (200-355) : 500 (350-710) : Duty : 3.7.1.2.2 Short time, varying or intermittent. - The duty cycle of these motors for the varixs terminal voltages shall be as specifi
48、ed (see 6.2). 3.7.1.2.3 Special voltage. - The duty of special voltage motors shall be as specifiea (see e. 2). 3.7.2 Winding and speed. - The winding and speed classification of motors shall be one of thso listed under 3.2.5 or shall be special as specified (see 6.2). 3.7.3 Enclosure. - The enclosu
49、re shall be one of those listed uner 3.2.7 or shall be speci: 2s specified (see 6.2)- 3.7.4 Overspeed. - 3.7.4.1 For motors n3t reqirirhg a field rheostat. - Motors not recpirrq 2 field rheostst %?I:l- stand without hjtirp a continuous speed equal to 110 percent of the werm m-az5 spee;! attaine5 xier ti? conditions specified in 4.2.4.10.2.2. 3.7.4.2 For motors relciring a field rheostat. - Motors requirhF3 fiel rheostat shm i:kszc!j without injury the na-load spee6
