ARMY MIL-E-43058 A-1970 ETCHERS PNEUMATIC PORTABLE《可携带气式腐蚀机》.pdf

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1、MIL-E-43058A 20 April 1970 SUPERSEDING MIL-E-43058 ( incorrect; illegible; of improper size, and interior location, sequence, or method of application Preservation Preservative improperly applied or missing Materials Component missing or damaged Workmanship Weight Inadequate application of component

2、s, such as bulging or distortion of containers Weight of contents per shipping container is more than specified I 4.2.2.4.1 Examination of shipping containers. - When shipping containers are required to be in accordance with PPP-B-636, examination for defects in closure and strapping shall be in acc

3、ordance with the appendix of that speci- f ication. I 4.3 Tests.- * 4.3.1 Hardness test.- The stylus tip shall be tested for Rockwell hard- ness in accordance with ASTM E 18-67. * 4.3.2 Performance test.- The etcher shall be stored at an ambient temperature between minus 65 F. and minus 60 F. for 72

4、 hours. The etcher shall then be stabilized at an ambient temperature between minus 25 F. and minus 20 F. The etcher shall then be connected to a maximum air pressure of 100 psig. Hardened steel, aluminum, glass, ceramics and plastic panels shall be etched. . The marking portion of the test shall be

5、 repeaked at 6 , Licensed by Information Handling ServicesMIL-E-4305A 53 799790b OY5LlL2 5 MIL-E-43058A ambient temperatures of between plus 70 F. and plus 90 F. and between plus 110 F. and plus i15 F. inch shall constitute failure of this test. Failure of the etcher to mark to a depth of 0.002 * 4.

6、3.3 Excessive air pressure test.- The etcher shall be subjected to a line pressure of 1-1/2 times the design pressure, except the pressure shall be limited to not less than 100 psig nor more than 150 psig with throttle or regulator wide open for a period of 5 minutes. quirements of 3.4.2 shall const

7、itute faiiure of this test. Nonconformance to the re- * 4.3.4 Continuous duty test. - The etcher shall be connected to a maximum air pressure line of 100 psig. intervals until the time intervals total 4 hours. requirements of 3.4.3 shall constitute failure of this test. The etcher shall be operated

8、at 15 second Any nonconformance to the , * 4.3.5 Shock test.- The etcher, less the stylus, shall be dropped once through its major axis onto a concrete surface from a height of 3 feet to determine compliance with 3.4.3. shall constitute failure of this test. Any signs of crack, chip, or breakage 5.

9、PCPAA!IION FOR DELIVERY 5.1 Preservation and packaging.- Preservation and packaging shall be level A or C, as specified (see 6.2). 5.1.1 Level A.- 5.l.l.l Cleaning.- Cleaning shall be accomplished by process C-1 of MIL-P-. 5.1.1.2 Drying.- Drying shall be accomplished in accordance with one or more

10、drying procedures listed in MIL-P-. 5.1.1.3 Preservation application. - Immediately after cleaning and drying, interior surfaces of the air motor shall be coated with type P-9 preservative of MIL-P-, applied through the lubricaking system or by feeding the pre- servative into the air inlet, while op

11、erating the motor, until the preserva- tive appears at the exhaust ports. Exterior unpainted surfaces, including hose fittings, clamps and accessories shall be coated with type P-9 preserva- tive. 5.1.1.4 Unit packaging.- Each hose shall be coiled to the minimum safe diameter and secured with evenly

12、 spaced ties of cotton tape. shall be unit protected in accordance with Method IA-15 of MIL-P-. All components 7 Licensed by Information Handling ServicesMIL-E-43058A 51 W 777790b 0458413 7 W MIL-E-43058A 5.1.1.5 Intermediate packaging.- Twelve units, packaged as specified in 5.1.1.4, shall be place

13、d in a close fitting intermedia,te container conforming.to the requirements of type CF (variety SW) or SF, class domes- tic, style RSC of PPP-B-636. of the appendix of PPP-B-636. Closure shall be in accordance witheMethod II 5.1.2 Level C.- Etchers shall be preserved and packaged to afford adequate

14、protection against corrosion, deterioration and damage during shipment from the supply source to the first receiving activity. standard practice when it meets these requirements. The supplier may use his 5.2 Packing.- Packing shall be level A, B, or C, as specified (see 6.2). 5.2.1 Level A.- Etchers

15、, preserved and packaged as specified in 5.1, shall be packed in a snug-fitting fiberboard shipping container conforming to gra.de VS, style RSC of PPP-B-636. reinforcing shall be in accordance with the appendix of PPP-B-636. of contents of each shipping container shall not exceed 65 pounds. Closure

16、, waterproofing by means of tape and The weight 5.2.2 Level B.- Etchers, preserved and pa,ckaged as specified in 5.1, shall be packed in a snug-fitting fiberboard shipping container conforming to type CF (variety SW) or SF, class domestic, grade 275, style RSC of PPP-B-636. Closure shall be in accor

17、dance with Method II of the appendix of PPP-B-636. The weight of contents of each shipping container shall not exceed 65 pounds. 5.2.2.1 When specified (see 6.2), the shipping container shall be a grade nc, ms, or V4s fiberboard box fabricated in accordance with PPP-B-636 and closed in accordance wi

18、th the a.ppendix thereto. 5.2.3 Level C.- Etchers, preserved and packaged as specified in 5.1, shall be packed in a manner to insure carrier acceptance and safe delivery at destination at the lowest transportation rate for such supplies. tainers shall be in accordance with Uniform Freight Classifica

19、tion Rules or National Motor Freight Classification Rules, as applicable. Con- 5.3 Marking.- In addition to any special marking required by the contract or order, unit packages, intermediate packages, and shipping containers shall . be marked in accordance with MIZ-STD-l29. 6. NOTES 6.1 Intended use

20、.- The portable pneumatic etching tool covered by this specification is intended for etching identification markings on glass, plastic and various types and grades of ferrous and non-ferrous metals. 8 -. R I, Licensed by Information Handling ServicesMIL-E-43058A 6.2 Ordering data. - Procurement docu

21、ments should specify the following: (a) Title, number and date of this specifica,tion. (b) Selection of a,pplicable levels of preservation, packaging and (e) -hen weather-resistant grade fiberboard shipping contaiers are sacking (see 5.1 and 5.2). required for level B packing (see 5.2.2.1). 6.3 The

22、margins of this specification have been marked with an asterisk (*) to indicate where changes (additions, modifications, corrections, dele- tions) from the previous issue were made. only and the Government assumes no liability whatsoever for any Snaccuracies in these notations. Bidders and suppliers

23、 are cautioned to evaluate the requirements of this document based on the entire content irrespective of the marginal notations and relationship to the last previous issue. This was done as a convenience Custodians : Prepaxing activity: Army - GL Air Force - 84 Review activity: -. Air Force - 84 User activity: Army - AV Army - GL Project No. 5130-0166 * U. C. GOVERNMENT PRINTING OFFICE: 1970-393-097/5-5650 9 Licensed by Information Handling Services