1、 MIL-C-43528A 37 m 7797706 0289772 8 m s -o/ -2t MIL-C-43528A (GL) 30 September 1985 SUPERSEDING MIL-C-43528 (GL) 2 August 1967 MILITARY SPECIFICATION CONVEYOR, ROLLER, GRAVITY, 1000 LB/FT This specification is approved for use by the Natick Research and Development Center, Department of the Army, a
2、nd is available for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This document covers one type of roller conveyor. 2. APPLICABLE DOCUMENTS .y. 2.1 Government documents. Unless otherwise specified, the following documents of the issue in effect on date of invi
3、tation for bids or request for proposal om a part of this document to the extent specified herein. SPECIFICATIONS MILITARY MIL-P-514 - Plates, Identification, Instruction and Marking, Blank MIL-W-22248 - Weldments, Aluminum and Aluminum Alloy MIL-S-22473 - Sealing, Locking, and Retaining Compounds:
4、(Single- MIL-C-52950 - Crates, Wood, Open and Covered Components) Beneficial comments (recommendations, additions, deletions) and any pertinent data that may be of use in improving this document should be addressed to U.S. Army Natick Research and Development Center, Natick, MA 01760-5014, by using
5、the self-addressed Standardization Document mprovement Proposal (DD Form 1426) appearing at the end of this document or by letter. FSC 3910 DISTRIBUTION STAT-MENT A. Approved for public release; distribution is unlimited. THIS DOCUMENT CONTAINS 10 PAGES Provided by IHSNot for ResaleNo reproduction o
6、r networking permitted without license from IHS-,-,-MIL-C-4JSZBA 37 77777Ob 028q773 T W MZL-C-45528A (GL) I STANDARDS 1 MILITARY 1 MIL-STD-LO5 Sampling Procedures and Tables for Inspection by MIL-STD-129 - Marking for Shipment and Storage Attributes DRAWINGS U*S* ARMY NATICK WSEARCH AND DEVELOPMENT
7、CENTER 11-1-589 - Conveyor, Roller Gravity, Airdrop, Aluminum, 1000 11-1-5 90 11-1-591 11-1-592 1 1-1-593 - Shafts, Roller Lb/Ft Capacity - Assembly - Prame - Assembly and Details - Roller - Assembly and Details - Coupling - Assembly and Details (Copiee of documente required by manufacturers in conn
8、ection with specific acquisition functions should be obtained from the contracting activity or a6 directed by the contracting officer.) * 2.2 Other publications. Unless otherwise specified, the following documente of the iseue in effect on date of invitation for bids or request for proposal form 8 p
9、art of this document to the extent specified herein. AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ACME) ASME B 20.1 - Safety Standard for Conveyors and Related Equipment (Application for copies should be addressed to the American Society of Hechanical Engineers, United Engineering Center, 345 East 47th
10、 Street, New York, Ny lO17.) AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) D 3951 - Standard Practice for Commercial Packaging (Application for copies should be addressed to the American Society for Teeting and Haterials, 1916 Race Street, Philadelphia, PA 19103.) 2 Provided by IHSNot for Resale
11、No reproduction or networking permitted without license from IHS-,-,-MIL-C-43528A (GL) (Technical society and technical association documents are generally available for reference from libraries. technical groups and using Federal agencies.) They are also distributed among 2.3 Order of precedence. I
12、n the event of conflict between the text of this document and the references cited herein, the text of this document shall take precedence. 3 REQUIREMENTS . 3.1 First article. When specified, a sample shall be subjected to first article inspection (see 4.3, 6.2, and 6.3). 3.2 Materials. All material
13、s shall conform to the documents subsidiary to the drawings listed in section 2 and to the requirements specified herein. Recycled material may be used (see 6.4). r 3.3 Construction. Construction and assembly shall be as specified herein and on the drawings listed in section 2. applicable requiremen
14、ts of ASME B 20.1. The conveyor shall conform to the 3.3.1 Weldment. The aluminum frame weldment, as specified in Drawing 11-1-590, shall be fabricated by the inert-gas, tungsten-arc welding process and shall conform to the requirements applicable to class 3 weldments as specified by MIL-W-22248, ex
15、cept that the requirement for identification marking shall not apply. number shall be applied in accordance with Drawing 11-1-590. Inspection marking requirements shall remain as specified. In lieu thereof, the part number and weldment serial 3.3.2 Roller assemblies. The shell ends shall accommodate
16、 the bearings (see 6.5) with the interference fit specified on the detail drawing. bearings shall be free of lubricant. into the shell, the entire surface area of contact shall be coated with sealing compound conforming to grade AA of MIL-S-22473. Exposed excess compound shall be removed after inser
17、tion. The Prior to the insertion of the bearing 3.3.2.1 Roller location. Unless otherwise specified, rollers shall be installed at the hexagonal hole locations at each end of the frame and at alternate hole locations thereafter. 3.4 Performance. The conveyor shall show no evidence of failure when te
18、sted as specified in 4.5. 3 i- .- . 7 . -. . - . . . -. . . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MZL-C-Y3528A 39 W 994440b 0284775 3 W MIL-C-43528A (a) .i 3*5 Identificaton marking. An identification plate conforming to type IIf, compositi
19、on A class 2 of MIL-P-514 shall be the size and place in th or bearing not securely retained 104 or other foreign matter in bearing preventing free rolling action 105 Dirt, sealing compound, 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-Y35
20、28A 39 94939b 028Y777 7 M I Examine Defect Category MIL-C-43528A (GL) TABLE X. Classification, of visual-defects - Continued Minor - Major - Identification Plate missing or not located as specified, incorrect or illegible Serial number or part number not as specified on Drawing 11-1-590 plate and ma
21、rking 201 202 1.413.2 Examination of dimensions. Examination shall be made of dimeneionel characteristics pertaining to the assembled end item (i.e., overall frame dimensions, roller position intervals, location of lateral euppot and spacere and location of couplings). S-4 and the AQL shall be 1.5 d
22、efects per hundred units. epeeiffed dimeneions and tolerances shall constitute a defect. The inspection level shall be Each deviation from * 4.4.4 Packaging inspection. An examination shall be made to determine comp2iance with the packing and marking requirements specified in section 5 of thi6 docum
23、ent. Examination shall be made of shipping containers fully packaged. The lot shall be expressed in units of shipping containers. eample unit ahall be one shipping container fully packaged. ta be examined and the defects applicable thereto shall be as specified in table II. The inspection level shal
24、l be S-1 and the AQL shall be 2.5 defects per hundred unite. The Characteristics 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-43528A 37 7777706 O284778 7 MIL-C-43528A (GL) TABLE 11. Packaging inspection Examine Defect Marking Omitted, inco
25、rrect, not legible, or of improper size, location, sequence, or method of application Materials Any component missing, damaged, defective, or not as specified Workmanship Contents not snug fit in container (loose); inadequate blocking, bracing, strapping, or nailing 4.5 Performance test. conveyor, D
26、rawing 11-1-589. rails at intervals of approximately 30 inches between centers. The bearing surface of each support shall provide approximately 4 square inches of surface contact with the side rails. A load of two thousand (2000) pounds shall be evenly distributed on a rigid bearing platform faced w
27、ith 1/8-inch thick aluminum sheet. The bearing platform shall be constructed to dimensions approximately 20 inches wide by 30 inches long. shall span six rollers, center to center, providing the test load support of five rollers minimum, (approximately two (2) linear feet of conveyor). The load shal
28、l be cycled (rolled from one end of the conveyor to the other and return) five (5) times at a velocity of 175 (plus 10 or minus 5) feet per minute. The load shall be removed and the conveyor examined for defects indicated in table III. The examination shall be conducted at inspection level S-2. the
29、sample. The sample unit for this test shall be one complete The conveyor shall be supported along the side The aluminum sheet facing Any defect shall be cause for rejection of the lot represented by 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-M
30、IL-C-43528A (GL) TABLE 111. Performance inspection Examine Uef ect Welds Crack, break or other deformation Roller assemblies Dent, bend, bearing displaced from retaining dimples or not: otherwise secure in shell, bound bearing, not otherwise free running roller, bent twisted or otherwise deformed sh
31、aft Side raile, Twist, bend, crack, break or deformation lateral supporte, spacere and CO upa ing 5.1 Packin& Packing shall be level A or Comercial as specified (see 6.2). * 5.1.1 Level A packing. Six conveyors, with coupling assemblies fully recracted and secured into the frame assemblies, shall be
32、 stacked flat in a enupfitting shipping container conforming Eo type II, style A of MIL-C-52950. Each alternate conveyor in the stack shall be offset to permit nesting of the rollers within the container. The applicable anchoring, closing and strapping requirements epecified in the appendix of MIL-C
33、-52950 shall apply. Each container aha11 be fitted with skids fabricated from nominal 3 by 4 inch lumber laid flat extending the full width of the container and positioned under each bottom crass member. The end of each skid shall be beveled one-half its thickness at: a 45 degree angle and notched t
34、o provide clearance or the girthwiee scrapping. Each skid shall be secured to the container by nailing through the bottom cross member into the skid. The nail points shall not: grratrude through the bottom surface of the skid. The nails shall be arranged in two rows in a staggered pattern, with spac
35、ing between nails in each row not: nore than 6 inches. Each row of nails shall be approximately 3/4 inch in from the edges of the skid and the nailing pattern shall begin and eud approximately 1-1/2 inches from the beveled end of each skid. 8 Provided by IHSNot for ResaleNo reproduction or networkin
36、g permitted without license from IHS-,-,-b MIL-C-43528A (GL) * 5.1.2 Commercial packing. Conveyors shall be packed in accordance with ASTM D 3951. * 5.2 Marking. In addition to any special marking required by the contract or purchase order, shipping containers shall be marked in accordance with MIL-
37、STD-129 or ASTM D 3951, as applicable. * 5.2.1 Special marking. Each container shall be marked in accordance with the applicable marking requirements specified in MIL-C-52950. 6. NOTES 6.1 Intended use. The high capacity roller conveyor is intended for use in support of airborne operations and other
38、 load conveying applications involving loads not exceeding 1000 pounds per linear foot when the conveyor is supported at 30-inch intervals along the side rails. The conveyor is modular with provision for coupling. x 6.2 Ordering data. Acquisition documents should specify the following: a. Title, num
39、ber, and date of this document. b. c. Number and location of rollers if other than specified d. Selection of applicable level of packing (see 5.1). When a first article is required (see 3.1, 4.3, and 6.3). (see 3.3.2.1). * 6.3 First article. When a first article is required, it shall be inspected Th
40、e first article should consist of and approved under the appropriate provisions of FAR 52.209. article should be a preproduction sample. the unit. The contracting officer should include specific instructions in all procurement instruments, regarding arrangements for inspection and approval of the fi
41、rst article. The first * 6.4 Recycled material. The contractor is encouraged to use recycled material when practical, provided that it meets the requirements of this document (see 3.2). * 6.5 Roller assembly bearings. Bearings furnished as Part Number 242-R1Z by Conveyor Logic, 6900 Industrial Park
42、Drive, Dutton, MI 49316, conform to the requirements of this document. 9 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-43528A (GL) s 6.6 Changesi from previous issue. The margins of this document are marked with Lin asterisk (*) to indicate w
43、here changes (additions, modifications, corrections, deletions) from the previous issue have been made. a8 o convenience only and the Government assumes no liability whatsoever for inaccuracies in these notations. evaluate the requirements of this document based on the entire content irrespective of
44、 the marginal notations and relationship to the last previous i EZBUB a This was done Bidders and contractors are cautioned to Custodian: Preparing activity: Review activities: Project No. 3910-A071 Army - HQ, ME DU-GS User activity: Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
