ARMY MIL-T-44382-1990 TABLE FIELD FOLDING LEGS METAL《金属折叠架野地桌》.pdf

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1、MIL-T-44382 71 U 7777706 0238372 7 U I INCH-POUND I MI L-T-4 43 8 2 (GL) 22 January i990 MILITARY SPECIFICATION TABLE, FIELD, FOLDING LEGS, METAL This specification is approved for use by the Natick Research, Development and Engineering Center, Department of the Army, and is available for use by all

2、 Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. 2. APPLICABLE DOCUMENTS This specification covers a field table with folding legs. 2.1 Government documents. 2.1.1 Specification, standards, and handbooks. The following specifications, standards, and handbooks form a part o

3、f this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those listed in the issue of the Department of Defense index of Specifications and Standards (DDISS) and supplement thereto, cited in the solicitation (see 6.2). SPECIFICATIONS FEDERAL W-W-5

4、 7 2 - Wood Preservative; Water-Repellent PPP-B-601 - Boxes, Wood, Cleated Plywood PPP-B-636 - Boxes, Shipping, Fiberboard Beneficial conanents (reconanendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: and Engineering Cente

5、r, Natick, MA 01760-5014 by using the self-addressed Standardization Document improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. U.S. Army Natick Research, Development, AMSC N/A FSC 7195 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlim

6、ited. Licensed by Information Handling ServicesMIL-T-44382 71 m 7777906 O238373 7-S MIL-T-44382 (GL) STANDARDS MILITARY MIL-STD-105 - Sampling Procedures and Tables for Inspection by MIL-STD-129 - Marking for Shipnent and Storage MIL-STD-130 - Identification Marking of U.S. Military Property Attribu

7、tes (Unless otherwise indicated, copies of federal and military specifications, standards and handbooks are available from the Standardization Documents Order Desk, Bldg. 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.) 2.1.2 Other Govertment documents, drawings, and publications. The following

8、 other Goverment documents, drawings, and publications form a part of this document to the extent specified herein. issues are those cited in the solicitation. Unless otherwise specified, the DRAWINGS U.S. ARMY NATICK RESEARCH, DEVELOPMENT, AND ENGINEERING CENTER 5-13-4661 - Field Table, Assembly (C

9、opies of drawings are available from the U.S. Army Natick Research, Developnent, and Engineering Center, ATTN: STRNC-EMSS, Natick, MA 01760-5014.) 2.2 Non-Govermnt publications. The following document forms a part of this document to the extent specified herein. Unless otherwise specified, the issue

10、s of the documents which are DOD adopted are those listed in the issue of the documents cited in the solicitation. issues of documents not listed in the DODISS are the issues of the documents cited in the solicitation (see 6.2). Unless otherwise specified, the AMEMCAN SOCIETY FOR TESTING AND MATERIA

11、LS (ASTM) D 3951 - Standard Practice for Cammercial Packaging (Application for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103-1187.) (Non-Goverrment standards and other publications are normally available from organizations that

12、 prepare or distribute the documents. may be available in or through libraries or other informational services.) These documents also 2 Licensed by Information Handling ServicesMIL-T-4LI382 71 W 7779706 0238174 O MI L-T-4 43 82 (GL ) 2.3 Order of precedence. In the event of a conflict between the te

13、xt of this document and the references cited herein, the text of this document takes precedence. regulations unless a specific exemption has been obtained. Nothing in this document, however supersedes applicable laws and 3. REQUIREDENTS 3.1 First article. When specified (see 6.2), a sample shall be

14、subjected to first article inspection (see 6.3) in accordance with 4.3. 3.2 Materials and components. Materials and components shall be as specified herein and on the applicable drawings and parts lists. encouraged that recycled material be used when practical as long as it meets the requirenients o

15、f this specification. It is 3.2.1 Wood frame. kiln dried hardwood. or exceed typical properties of cormnonly available birch, optional and no gaps exceeding 0.001 inch shall be acceptable. of the material shall be such that the overall panel thickness is 0.5 inch. The width of the wood shall be 1.5

16、inches. The table top panels shall have a peripheral close-out of Hardwood type is optional, but the type chosen shall meet Corner joinery is The thickness 3.3 Design. 3.3.1 Load. Deflection of the table top shall not exceed 0.1 inch after removal ofthe test weight when tested as specified in 4.5.3.

17、 not collapse, exhibit instability, or permanent deformation and the leg locking devices shall not release when tested as specified in 4.5.4. The table shall a 3.3.2 Low temperature. The components of the table shall show no permanent deformation, corrosion, delamination, cracks or loosening, and th

18、e legs and braces shall open and close by applying a force not to exceed ten pounds, after exposure to the conditions specified in 4.5.5. 3.3.3 .High tempsrature. The components of the table shall show no permanent deformation, corrosion, delamination, cracks or loosening, and the legs and braces sh

19、all open and close by applying a force not to exceed ten pounds, after exposure to the conditions specified in 4.5.6. 3.3.4 High temperaturefiigh humidity. The components of the table shall show no permanent deformation, corrosion, delamination, cracks or loosening, and the legs and braces shall ope

20、n and close by applying a force not to exceed ten pounds, after exposure to the conditions specified in 4.5.7. 3.3.5 Impact resistance. The table panels shall not show signs of delamination beyond 1.5 inches from the center of impact after being tested as specified in 4.5.8. 3.3.6 Smoothness of tabl

21、e top. The table top shall not show signs of delamination or dimpling. 3 Licensed by Information Handling ServicesMIL-T-44382 71 777770b 0238175 2 W MIL-T-4 4382 (GL ) 3.4 Construction. The table shall be constructed in accordance with the designs, details, and dimensions as shown on the drawings an

22、d as specified herein. 3.4.1 Panel flatness. Panel surfaces shall not be cupped or bowed in excess of 0.125 inch when measured with a 48-inch long straight edge as specified in 4.4.5.2. 3.5 Premration of surfaces. 3.5.1 Skins. The decorative side of the skins shall be solvent wiped with methyl ethyl

23、 ketone (MEK), or a similar solvent. minute adhesive particles which would deter frcm the aesthetic quality of the panels. This wipe is to remove any 3.5.2 Wood. Prior to assembly, the wood shall be treated with wood tone, oil based wood sealer or according to !r?-W-572. 3.6 Marking. The table shall

24、 be marked in accordance with MIL-STD-130 for identification and in accordance with MIL-STD-129 for shipnent and storage. 3.7 Workmanship. The table shall conform to the quality of product established by this specification. frm burrs, slivers, and sharp edges. All surfaces of the table shall be free

25、 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the contract or purchase order, the contractor is responsible for the performance of all inspection requirements (examinations and tests) as specified herein. Except as otherwise specified in the contra

26、ct or purchase order, the contractor may use his own or any other facilities suitable for the performance of the inspection requirements specified herein, unless disapproved by the Govermwsnt. The Goverment reserves the right to perform any of the inspections set forth in this specification where su

27、ch inspections are deemed necessary to ensure supplies and services conform to prescribed requirements. 4.1.1 Responsibility for canp liance. All items shall meet all requirements of sections 3 and 5. become a part of the contractors overall inspection system or quality program. not relieve the cont

28、x.actor of the responsibility of ensuring that all products or supplies submitted to the Goverment for acceptance canply with all requirements of the contract. operations, is an acceptable practice to ascertain conformance to requirements, however, this does not authorize submission of known defecti

29、ve material, either indicated or actual, nor does it coarimit the Goverment to accept defective material . The inspection set forth in this specification shall The absence of any inspection requirements in the specification shall Sampling inspection, as part of manufacturing 4 Licensed by Informatio

30、n Handling Servicesi. MIL-T-qq382 73 W 7777706 0238376 4 W I- 4.1.2 Responsibility for dimensional requirements. Unless otherwise specified in the contract or purchase order, the contractor is responsible for ensuring that all specified dimensions have been met. When dimensions cannot be examined on

31、 the end item, inspection shall be made at any point, or at all points in the manufacturing process necessary to ensure compliance with all dimensional requirements. 4.2 Classification of inspections. The inspection requiranents specified herein are classified as follows: a. First article inspection

32、 (see 4.3). b. Quality conformance inspection (see 4.4). 4.3 First article inspection. When a first article is required (see 3.1 and 6.2), it shall be examined for defects specified in 4.4.3 and 4.4.4 and tested for the characteristics specified in 4.4.5. 4.4 Quality confarmance inspection. Unless o

33、therwise specified, sampling for inspection shall be performed in accordance with MIL-STD-105. 4.4.1 Cmponent and material inspection. In accordance with 4.1, components and materials shall be inspected in accordance with all requiranents of referenced documents unless otherwise excluded, amended, m

34、odified, or qualified in this specification or applicable purchase docdnt. 4.4.2 In-process inspection. 4.4.2.1 impact test. Whenever the production process is changed, one O representative panel (24-inches by 24-inches) shall be fabricated and tested as specified in the impact test. failure and sha

35、ll be cause for the contractor to test a new sample. Any nonconformance shall constitute a test 4.4.2.2 Skin wipe. The decorative side of the skin shall be wiped prior to bonding as specified in 3.5.1. 4.4.3 End item visual examination. The end items shall be examined for the The inspection level sh

36、all defects listed in table I. The lot size shall be expressed in units of field tables. be II.- The acceptable quality level (AQL), expressed in tem of defects per hundred units, shall be 2.5 for major defects and 4.0 for total (major and minor combined) defects. The sample unit shall be one field

37、table. Table I. End item visual defects Classification Examine Defect Major Minor Finish Color not as specified 101 embedded in finish 102 NO moth or uniform, or foreign matter Bare spots or areas of visible thin coating 5 201 Licensed by Information Handling ServicesMIL-T-44382 (GL) Table I. End it

38、em visual defects (contd) Classification Examine Defect Major Minor Construction and Component missing affecting serviceability 103 workmanship Component malformed, dented or bent 104 Sharp edge or projection 105 Welds mitted where specified 106 Not fused, burned through, cracked or fractured 107 Pi

39、tted or not mplete 202 Table top Not smooth Delaminated or dimpled Splintered or small checks 108 109 110 DO not fold properly 111 Braces do not have acting locking device 112 Marking Missing, illegible or incomplete 203 4.4.4 End item dimensional examination. The end items shall be examined for Onl

40、y those dimensions conformance to the dimensions specified on the drawings. that can be evaluated without damaging or disassmbling the end itens shall be examined. classified as a defect. tables. be S-4. 2.5. Any dimension not within the specified tolerances shall be The lot size shall be expressed

41、in units of field The smple unit shall be one field table. The AQL, expressed in terms of defects per hundred units, shall be The inspection level shall 4.4.5 End item testing. 4.4.5.1 Tap test. The panel shall be tap tested using a metal object equivalent in weight for a 50 cent piece. The panel sh

42、all be tap tested on the outer skin laminate on both the top and the bottom sides as specified in 4.5.1. 4.4.5.2 Panel flatness. Panel surfaces shall not be cupped or bowed in excess of 0.125 inch when measured with a 48-inch long straight edge. Two l/l-inch shims shall be used along the straight ed

43、ge, located at the extremes of the edge. directions on the table panels. than 0.125 inch per each 4.0 feetmeasured across the table panel shall be rejected. shall be one panel. The inspection level shall be II. terms of defects per hundred units, shall be 1.0. Measurements shall be taken both in the

44、 horizontal and vertical Panels found to be bowed or cupped, greater The lot size shall be expressed in units of panels. The sample unit The AQL, expressed in 6 Licensed by Information Handling Servicesc t MIL-T-44382 73 m 777770b 0238378 8 m MIL-T-44382 (GL) 4.4.6 Packaging examination. The fully p

45、ackaged end itens shall be examined for the defects listed below. shipping containers. packaged. defects per hundred units, shall be 2.5 The lot size shall be expressed in units of The sample unit shall be one shipping container fully The inspection level shall be S-2. The AQL, expressed in terms of

46、 Examine Defect Marking (exterior mitted; incorrect; illegible; of improper size, and interior) location, sequence, or method of application Materials Workmanship Any component missing,.damaged or not as specif ied Inadequate application of components, such as: inccmplete sealing or closure of flap,

47、 improper taping, loose strapping or inadequate stapling Bulged or distorted container Content NLnnber per container is more or less than required 4.5 Methods of inspection. 4.5.1 Tap test. 4.5.1.1 Test nmkr 1. The panel shall be tapped at approximately 6 inch intervals ccmpletely around the panel a

48、t 1 +1/2 inches from the panel edge. Any change in sound along the wood edges shall be cause for the panel to be further evaluated per 4.5.2. O 4.5.1.2 Test number 2. The panel shall be tapped at approximately 6 inch intervals completely around the panel at 2-1/2 +1 inch from the panel edge. Any cha

49、nge in sound shall be cause for the paner to be further evaluated per 4.5.2. 4.5.1.3 Test number 3. The area of the panel that has not ken tested shall be tapped at least 25 times, evenly distributed over each side. sound shall be cause for the panel to be further evaluated per 4.5.2. Any change in 4.5.2 Re-evaluation test. Panels indicating a change in sound in 4.5.1 shall be re-evaluated. 4.5.2.1 Reevaluation number 1. marked with a wax or grease pencil (no permanent markings). containing dull sounding areas composing more than 25% of the total area per side shall constitute a failur