ARMY QQ-W-345 B (2)-1968 WIRE ELECTRICAL STEEL COPPER-COVERED《铜包钢线》.pdf

1、A- 33-14 QQ-W-345b Amendment-2 July 2. 1968 SUPERSEDING Interim Aaiendmnt-1 (BA-FSS) November 7, 1966 FEDERAL SPECIFICATION WIRE, ELECTRICAL, STFZL, COPPER-COVERED This amendment, which forms a part of Federal Specification QQ-W-345b, dated November 7, 1966, was approved by the Commissioner, Federal

2、 Supply Service, General Services Administration, for the use of all Federal agencies. PACE 3 . Between paragraph 3.2.1 and 3.2.2 insert the following: 3.2.1.1 Tensile strength of joints. The wire shall be free from joints made in the finished wire. These joints shall be the scarf type, brazed with

3、silver-alloy solder. and edges of the joints. The joints shall be emooth, uniform, end free from lumps of solder. The joint shall have a breaking strength of not less than 85 percent of the adjacent wire at least one foot from the joint. The section of the wire containing a joint shall be capable of

4、 being wrapped around three times its own diameter without rupture of the brazing material, the copper coating, or the steel core of the wire. Joints may be made in the wire prior to the final drawing operation. The solder shall completely cover the scarfed faces PAGE 5 Seceton 5: 5. PREPARATION FR

5、DELIVERY 5.1 Packaging. Packaging shall be level A, By or C, as specifed (6.1). 5.1.1 Level A. 5.1.1.1 Unit packaging. 5.1.1.1.1 Coils (nominal wire diameters 0.204 through 0.080). Delete in its entirety and substitute the following: Wire sizes furnished with a nominal Each coil shall be secured at

6、3 places with sisal Wine having a breaking strength of 215 pounds, wire diameter of 0.204 through O.OE! shall be uniformly coiled in coil weights as specified in table III. evenly spaced around the coil. Each coil shall have a peripheral wrap of paper confomrhg to PPP-B- 1055, class B-2, wrapped ahi

7、md the outer circumference of the coil. class of paper shall be urapped over the peripheral wrap with a continuous length of corrosion resistant binding wire not less than 0.032 inches in diameter on each turn of the wraps. The spiral wraps of paper shall be edge folded and each turn shall overlap t

8、he preceding turn by 1-1/2 inches. The end of the wrap and binding wire shall be securely tied with corrosion resistant wire not less than 0.032 inches in diameter. Two spiral wraps of the same 5.1.1.1.2 Machine-straightened wire. Machine-straightened wire shall be furnished in standard weight coils

9、 as specified (see 6.1). than 30 inches. The minimum inside diameter of each coil shall be not lesa 5.1.1.1.3 Spools or reels (nominal wire diameter 0.079 through 0.020. Wire sizes furnished with a nominal wire diameter of 0.079 through 0.020 shall be Nly and evenly wound on returnable or nonreturna

10、ble mod or metal spools or reels in spool or reel weights as specified in table IV. wire furnished on the spools or reels shall be uomd to obtain uniformity, compactness and nesting of successive turns and layers. The spools or reels shall be designed with strong flanges of sufficient diameter to pr

11、otect the wire during shipent and storage. The The end of the wire shall be secured to prevent unwinding. The wire wound on the spool or reel shall be covered with a full r -. Fsc 6145 /THIS DOCUMENT CONTAINS d PAGES. . O E- t Copyright Communications - Electronics Command Provided by IHS under lice

12、nse with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-wrap of material confoming to PPP-B-1055, class B-2, overwrapped with a full layer of kraf lined chipboard with a minimum thickness of 0.080i The wraps shall extand between the flanges and be secured with

13、 flat metal strapping. A full wrap of wired wood slats 1 inch by 1/16 inch shail be provided over the chipboard and secured with a minimm of two flat steel straps. 5.1.2 Level B. 5.1.2.1 Unit packaging. 5.1.2.1.1 Coils (nominal wire diameters 0.204 through O.Os0). nominal wire diameter of 0.204 thro

14、ugh 0.m shall be unifonnly coiled in coil weights as specified in table III. Each coil shall be secured at three places with sisal twine having a bnaking strength of 215 pounds evenly spaced around the coil. to PPP-B-1055, class E-2, wrapped around the outer circumference of the coil. A spiral wrap

15、of the sam dass of paper shell be urapped over the peripheral wrap with a continuous length of corrosion resistant binding wih not lees than 0.032 inches in diameter on each turn of the wrap. The spiral wrap of paper shall be edge folded and each tm sll overlap the preceding turn by 1-1/2 inches. Th

16、e end of the wrap and binding wire shell be securely tied with corrosion resistant wire not less than 0.032 inches in diaPieter. weight coils as specifed (see 6.1). 30 inehes. Wire sizes furnished with a Each coil shall have a peripheral wrap of paper confoming 5.1.2.1.2 Machine-straightened wire. M

17、achine-straightened wire shall be furnished in standard The miniunnu inside diameter of each coil shall be not less than 5.1.2.1.3 Spools or reels (nominal vire diameter 0.079 through 0.020). Wire sizes furnished with A nominal wire diameter of 0.079 through 0.020 shall be fully and evenly wound on

18、returnable or non- retuniable wood or metal spools or reels in spool or reel weights as specified in table IV. The wire funisbed on #e spools or reels &all be wound to obtain uniformity, coapactneseand nesting of uccesaive turns end layers. The end of the wire shall be secured to prevent unwinding.

19、The spools or reels ehdl be designed with strong flanges of sufficient diameter to pmtect the vire during ship- ment .nd storage. The wire wound on the spool or reel &Pu be covefsd with a full wrap of Baterial conforaing to PPP-B-1055, class B-2 overwrapped with a QI.1 layer OP kraft lined chipboard

20、 with a kinian thidniesa of 0.080 inches. The wraps shall extend between the flanges and be secured with a minimum 9f tu0 flat steel straps. TABU3 III. Dimension of Coil weight coils Nominal Maximum Minimun Inside wire diameter average average diameter minimum Inch Pounds Pounds Inches 0.204 - 0.128

21、 225 175 18 .127 - .lo0 225 125 18 ,099- .o80 225 50 18 I Spool or reel weights Nominal wire Maximum I Minimum average I average I diameter Inch Pounds Pounds 0.079 - 0.060 200 100 .O59 - -040 200 1001 -039 - -020 200 100 *At least 90 percent oi the spoos or reels in any one hipwnt O 8hdl have wight

22、s not leas than 100 pounds and the remaining percent midl hava urighb not his than bo pounds 2 - r , - 1 Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-5.1.3 Level C. The wire fu

23、rnished in coils, or on spools or reels shall be packaged to afford The supplier protection against corrosion and damage from the supplier to the initial destination. rnay use his comercial practice providing it -fills the above requirements. 5.2 Packing. 5.2.1 Level A or E. 5.2.1.1 Coils, (nainal w

24、ire diaiseter 0.201, through 0.W). 5.1.1.1 and 5.1.2.1 &dl require no packing. 5.2.1.2 Spools ar reds (nominal wire diametera 0.079 through 0.020). packaged as specifid in 5.1.1.1.3 and 5.1.2.1.3 shall require no packing. The wire shall be packed ta insure carrier acceptance and safe delivery at des

25、tination, comply- with the des and regulations applicable to the mode of transportation. Wire coils packaged as specified Wire spools or reels 5.2.2 Level C. 5.3 Mark-. 5.3.1 Civil mies. In addition to markings required by the contract or order, each coil 5.3.2 Hili- age?des. In addition to markings

26、 required by the contract or order, each spool or reel &dl laa marked in accordance with Fed. Std. No. 123. coa, spool or d &ell be marked in accordance with MIL4cTD-129. PAQZ 6 PuagrapB 6.18 after (J) insert the follouingt (k) CM wight coils when required (see 5.1.1.1.2 and 5.1.2.1.2). PAGE 7 KLITA

27、lU It?rEESTt Under &view, delete W and substitute ME, delete EA. Under Usera, delete KI and substitute MU, AT, AV, delete Air Force-85 *U. S. OOVEKEMENT PRINTING OFFICEt 1968 O - 342-601 (3022) 1 . Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-