1、I MILITARY SPECIFICATION CONVEYOR, VERTICAL, TRAY, 100-POUND PACKAGE TRAY CAPACITY MIL-C-23218C(SH) 13 November 1985 SUPERSEDING MIL-C-23218B(SH) 29 March 1978 (See 6.7) This specification is approved for use within the Naval Sea Systems Command, Department of the Navy, and is available for use by a
2、ll Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers powered, tray type, vertical con- veyors used for handling packages up to 100 pounds on board Naval ships. 1.2 specified Classification. Conveyors shall be of the following types, as (see 6.2.1):
3、Type I - Trunk (integral). Class 100A - for maximum size package of 36 inches wide by 24 inches deep by 36 inches high. Class 100B - for maximum size package of 24 inches wide by 20 inches deep by 30 inches high. Type II - Frame. Class 1OOC - for maximum size package of 24 inches wide by 20 inches d
4、eep by 30 inches high. Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commander, Naval Sea Systems Command, SEA 5523, Department of the Navy, Washington, DC 20362-5101 by using the self-address
5、ed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. FSC 3910 Approved for public release; distribution unlimited 1 THIS DOCUMEM CONTAINS 40 PAGES. DISTRIBUTION STATEMENT A - _ ,*/q .- 3 Provided by IHSNot for ResaleNo reproduction or ne
6、tworking permitted without license from IHS-,-,-_q_ I MIL-C-232LC 37 m 9999906 0283372 L 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications and stanidrds. The follow-ng specifications and standards form a part of this specification to the extent specified herein. Unless otherwise
7、 specified, the issues of these documents shall be those listed in the issue of the Department of Defense Index of Specifications and Standards (DoDISS) and supplement thereto, cited in the solicitation. SPECIFICATIONS FEDERAL TT-C-490 TT-P-645 TT-P-17 57 UU-P- 2 6 8 PPP-(2-850 PPP-c-1120 MILITARY M
8、IL- S- 90 1 MIL-C-22 12 MIL-P-3184 MIL-R-6130 MIL-M-7793 MIL-M-7793/8 MIL-P-15024 - Cleaning Methods for Ferrous Surfaces and Pre- - Primer, Paint, Zinc Chromate, Alkyd Type. - Primer Coating, Zinc Chromate, Low-Moisture- - Paper, Kraft, Wrapping. - Cushioning Material, Polystyrene, Expanded, - Cush
9、ioning Material, Uncompressed Bound Fiber treatments for Organic Coatings. Sensitivity. Resilient (For Packaging Uses). For Packaging. - Shock Tests, H.I. (High-Impact); Shipboard Machinery, Equipment and Systems, Requirements for. Associated Switching Devices. with Associated Equipment and Repair P
10、arts. - Controllers, Electric Motor A.C. or D.C., and - Packaging of Machinery: - Rubber, Cellular, Chemically Blown. - Meter, Time Totalizing. - Meter, Time Totalizing, Digital, 115 Volts, 60 or - Plates, Tags and Bands for Identification of Deck and Vehicle Mounted 400 Hz. Equipment. MIL-P-15024/5
11、 - Plates, Identification. MIL-E-15090 - Enamel, Equipment, Light-Gray (Formula No. 111). MIL-C-15306 Magneto and Call-Signal). MIL-T-15514 - Telephone Equipment, Sound Powered Handsets, Headset-Chest Sets, and Headset-Microphones, Types H-2OO/U, H-201/U, H-202/U, H-203/U, and H-204/U. - Call-Signal
12、 Stations (Type IC/D)(Hand Crank MIL-B-16392 - Brakes, Magnet, Naval Shipboard. MIL-M-17060 - Motors, 60-Hertz, Alternating Current, Integral- MIL-R-20092 - Rubber Sheets and Assembled and Molded Shapes, Horsepower, Shipboard Use. Cellular, Synthetic, Open Cell (Foamed Latex). 2 Provided by IHSNot f
13、or ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-232LC 37 7779706 0283373 3 MIL-C-23218C(SH) MILITARY (Continued) MIL-1-24137 MIL-P-26514 MIL-C-81751 STANDARDS FEDERAL FED-STD-H28 MILITARY MIL-STD-278 MIL-STD-471 - Iron Castings, Nodular Graphitic (Ductile Iron) an
14、d Nodular Graphitic (Corrosion Resisting, Austenitic, Low Magnetic Permeability) (for Shipboard Application). - Polyurethane Foam, Rigid or Flexible, for Packaging. - Coating, Metallic-Ceramic. - Screw-Thread Standards for Federal Services. - Fabrication Welding and Inspection; and Casting Inspectio
15、n and Repair for Machinery, Piping and Pressure Vessels in Ships of the United States Navy. Evaluation. - Maintainability Verification/Demonstration/ 2.1.2 Government drawings and publications. The following Government drawings and publications form a part of this specification to the extent specifi
16、ed herein. Unless otherwise specified, the issues shall be those in effect on the date of the solicitation. DRAWINGS NAVAL SEA SYSTEMS COMMAND (NAVSEA) 803-5959243 - Variable Level Standard Vertical Package Conveyor 803-5959244 - Variable Level Standard Vertical Package Conveyor 803-5959245 - Variab
17、le Level Standard Vertical Package Conveyor 803-5959246 - Variable Level Standard Vertical Package Conveyor 803-5959247 - Variable Level Standard Vertical Package Conveyor 803-5959248 - Variable Level Standard Vertical Package Conveyor 805-1400066 - Doors, Watertight, Individually Dogged, 26“ x 66“.
18、 Schematic Diagram. Cabling Diagram and Physical Arrangement. Maintenance Panel, Wiring/Assembly and Details. Motor Controller Wiring Diagram. Motor Controller Assembly and Details. Wiring Tables. PUBLICATIONS NAVAL SEA SYSTEMS COMMAND (NAVSEA) SG-816-AQ-EMO-010 - Conveyor, Standard Vertical Package
19、 (SVPC) 100 Pound Capacity; Description, Operation and Maintenance. (Copies of specifications, standards, drawings and publications required by contractors in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting activity. )
20、 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- _- MIL-C-232LBC 37 I7777706-0283374 5 E MIL-C-23218C(SH) 2.2 Other publications. The following documents form a part of this specification to the extent specified herein. Unless otherwise specified,
21、 the issues of the documents which are DoD adopted shall be those listed in the issue of the DoDISS specified in the solicitation. Unless otherwise specified, the issues of documents not listed in the DoDISS shall be the issue of the non- government documents which is current on the date of the soli
22、citation. AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI) B29.4 - Double Pitch Conveyor Roller Chain, Attachments, and Sprockets. (DoD adopted) (Application for copies should be addressed to the American National Standards Institute, 1430 Broadway, New York, NY 10018.) AMERICAN GEAR MANUFACTURERS ASSOC
23、IATION (AGMA) Gear Handbooks, Vols. 420.08, 440.04 and 441.04. (Application or copies should be addressed to the American Gear Manu- facturers Association, 1330 Massachusetts Avenue, NW, Washington, DC 20005.) AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) A 47 - Standard Specification for Ferrit
24、ic Malleable Iron Castings. (DoD adopted) Alloy, for General Industrial Use. (DoD adopted) of Zinc on Iron and Steel. Deposited on Iron and Steel. . A 668 - Standard Specification for Steel Forgings, Carbon and B 633 - Standard Specification for Electrodeposited Coatings B 695 - Standard Specificati
25、on for Coatings of Zinc Mechanically (DoD adopted) (DoD adopted) (Application for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, PA 19103.) (Nongovernment standards and other publications are normally available from the organizations whi
26、ch prepare or which distribute the documents. These documents also may be available in or through libraries or other informational services.) 2.3 Order of precedence. In the event of a conflict between the text of this specification and the references cited herein, (except for associated detail spec
27、ifications, specification sheets or MS standards) the text of this specification shall take precedence. Nothing in this specification, however, shall supersede applicable laws and regulations unless a specific exemption has been obtained. 4 Provided by IHSNot for ResaleNo reproduction or networking
28、permitted without license from IHS-,-,-MIL-C-23218C 39 999790b 0283175 7 MIL-(2-23 2 18 C( SH) 3. REQUIREMENT 3.1 First article. When specified in the contract or purchase order, a sample shall be subjected to first article inspection (see 4.3 and 6.3). 3.2 General. 3.2.i Materials. Materials shall
29、be free from any defects and imperfec- tions that might affect the serviceability or appearance of the finished product. Materials shall be in conformance with the requirements specified herein. Materials not definitely specified herein shall be of a quality to meet the performance requirements spec
30、ified herein. Where materials other than as covered by the material references are to be used, drawings shall show the complete chemical and physical properties of the material. 3.2.2 Recovered materials. Unless otherwise specified herein, all equip- ment, material and articles incorporated in the p
31、roducts covered by this speci- fication shall be new and may be fabricated using materials produced from recovered materials to the maximum extent practicable without jeopardizing the intended use. The term “recovered materials“ means materials which have been collected or recovered from solid waste
32、 and reprocessed to become a source of raw materials, as opposed to virgin raw materials. None of the above shall be interpreted to mean that the use of used or rebuilt products is allowed under this specification unless otherwise specifically specified. 3.2.3 Cast iron. Cast iron shall not be used
33、except where permitted by referenced specifications. The use of malleable cast iron is limited to ASTM A 47. used for machinery equipment components. Nodular graphitic iron castings conforming to MIL-1-24137 may be 3.2.4 Roller chains. Roller chains, their attachments, and all hardware shall be in a
34、ccordance with ANSI B29.4. 3.2.5 Chain sprockets. Chain sprockets shall be in accordance with ANSI B29 -4. 3.2.6 Component parts. Other component parts of the conveyor shall be lightweight material consistent with stress requirements. 3.2.7 Threaded parts. Keys, collars, caps, fasteners, and other s
35、uch Threaded parts shall parts that may work loose shall be fastened securely. have threads in accordance with FED-STD-H28. Fasteners shall be of corrosion resistant material or zinc plated for corrosion-resistance in accordance with ASTM B 633 type III, class Pe/Zn 13 or ASTM B 695 class 12, or met
36、allic-ceramic coated in accordance with type I, class 4 of MIL-C-81751. 3.2.8 Lubrication. Means for the lubrication of all metallic surfaces in sliding or rolling contact shall be provided. accessible without the disassembly of any components. require lubrication. The chart shall be located at the
37、conveyor top station, and mounted and secured as a visible reference for maintenance personnel. The chart shall show the Lubrication fittings shall be Cam tracks shall not One lubrication chart shall be provided for each conveyor. 5 Provided by IHSNot for ResaleNo reproduction or networking permitte
38、d without license from IHS-,-,-MIL-C-23218C 37 7777706 02317b 7 W MIL-C-23218C(SH) equipment diagrammatically and shall contain instructions for its care and lubrication, including,designation of lubricants (Navy symbol) and frequency of lubrication. The chart shall be of laminated plastic material
39、or of aluminum as used in the metal photo process in accordance with type F or H of MIL-P-15024, and MIL-P-15024/5. 3.2.9 Bearings. Rotating parts shall be mounted on lifetime lubricated antifriction bearings. Bearings shall be selected as recommended by the manu- facturer for load ratings greater t
40、han the maximum bearing loads applied under the most severe operating conditions specified herein. Bearing load ratings shall be certified by the bearing manufacturer (see 6.2.2). bearings shall be used wherever practicable. Self lubricating 3.2.10 Cam tracks. Cam tracks shall not be of the single s
41、ide control design, The cam tracks shall serve as guides for the tray assembly guide arm rollers, shall be stainless steel and of the interrupted cam track design. Cam tracks shall provide positive guidance on both sides for tray travel with no binding of tray motion and shall provide a smooth trans
42、ition of each tray as it travels from its horizontal (load carrying) position to its vertical (idle return) position. or other nonwelded means. Head and tail cam track assemblies shall have fixed (dead) center chain sprocket arrangement. Vertical track sections shall be replaceable by bolting 3.2.11
43、 Carrier chain adjustment. Adjustment shall be provided for auto- matic or self-tensioning of the tray carrier chains. allow for removal of the tail sprocket without parting the chain. Provision shall be made for disengagement of each section of the carrier chain between trays to permit repairs. Man
44、ual adjustment shall 3.2.12 High-impact shock. The conveyor, in the unloaded and secured con- dition, shall be in accordance with grade B shock of MIL-S-901. requiring shock test shall be tested in accordance with the following (see 4.6.6): Components (a) Test specification - MIL-S-901. (b) Shockpro
45、ofness required - grade B. (c) Equipment classification - deck-mounted. (d) Class of equipment - class I. (e) Class of test - medium weight test. (f) Type of test - type B. 3.2.13 Welded fabrication. Welds shall be fabricated in accordance with MIL-STD-278. The inspection of rotating machinery welds
46、, class M machinery, shall be in accordance with MIL-STD-278. machinery components, shall be stress relieved in accordance with the conditions established by approved welding procedure qualification tests. shall be visually inspected for defects and are not required to meet the inspec- tion requirem
47、ents of MIL-STD-278. Materials, used in the fabrication of The other welds 3.2.14 Reliability. The mean-time-between-failure (PITBF) of the conveyor system shall be not less than 255 hours, with a confidence level of 80 percent. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted
48、without license from IHS-,-,-MIL-C-ZXLBC 37 m wwuh 0283177 O m MIL-C-23218C( SH) 3.2.15 Maintainability. Conveyors shall be accessible for planned and Corrective maintenance requirements shall be accom- Corrective and planned corrective maintenance. plished by replacement of parts by ships personnel
49、. maintenance tasks shall not exceed the following values: (a) Not more than one of 20 simulated planned maintenance tasks shall exceed 2 hours, and no planned maintenance task shall exceed 4 hours. (b) Not more than two of 20 corrective tasks shall exceed 5 hours and the MTTR shall not exceed 3 hours. I Maintainability tasks shall be performed in accordance with test method 10 of MIL-STD-47 1 3.2.16 Gonveyor length. Conveyors in excess of 45
