ARMY A-A-50220-1984 LATHE AXLE JOURNAL TRUING RAILWAY DUAL OR SINGLE END DRIVE《双或单端驱动定期修整铁路车轴车床》.pdf

《ARMY A-A-50220-1984 LATHE AXLE JOURNAL TRUING RAILWAY DUAL OR SINGLE END DRIVE《双或单端驱动定期修整铁路车轴车床》.pdf》由会员分享，可在线阅读，更多相关《ARMY A-A-50220-1984 LATHE AXLE JOURNAL TRUING RAILWAY DUAL OR SINGLE END DRIVE《双或单端驱动定期修整铁路车轴车床》.pdf（3页珍藏版）》请在麦多课文档分享上搜索。

1、A-A-50220 47 7777774 002373b L II A-A- 50 2 20 20 January 1984 COMMERCIAL ITEM DESCRIPTION LATHE, AXLE, JOURNAL-TRU IN G RAIWAY, DUAL OR SINGLE END DRIVE The General Services Administration has authorized the use of this commercial item description This comercial item description covers the requirem

2、ents for a manually operated journal-truing axle lathe for remachining bare axles and the journals of mounted wheel sets. Salient characteristics: Capable of handling axle lengths between 66 inches and 104 inches. Capable of handling wheel tread diameters 42 inches. Capable of turning axles between

3、3-3/8 inches to 12-1/ 2. inches diameter. Capable of burnishing axles between 4 inches to 12-1/2 inch diameter. Capable of accepting axles with oit without mounted wheel. Infinitely variable feedrate. Spindle speeds shall range between 125 - 25 rpm. Self-aligning headstocks. Manual or automatic cros

4、s slide positioning. Main drive motors shall be two speed 440V AC. Centers at 60, Tool holders with a minimum of twelve carbide tool inserts provided. Tool holder swivels. Burnishing tools. Drive ring sets for minimum of three different axle sizes. Painting and finishing of the machine shall be the

5、manufacturers standard Permanent metal identification plate mounted in a conspicuous place and . commercial practice. showing manufacturers name, address, contract number, model, serial number, date of manufacture, and power input characteristics and rating. Design and construction. part of a compac

6、t unit conforming to the requirements listed herein. shall be designed with ready access to components for adjustments, replacement, or repair, and to facilitate Set-up, operation and maintenance without the need for special tools. contractor. The machine shall be complete so that when installed and

7、 connected to the specific power source, it can be used for any operation for which it was designed. Construction shall be such that the unit will retain its performance and accuracy, and function properly when operated at its maximum functional c apac ity . All components shall be designed to form

8、an integral The unit Special tools that are required shall be provided by the / FSC 494.0 THIS DOCUMENT CONTAiNS -CI.- 3 - PAGES. .:, : . . . . . . . . . ._ Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- A-A-50220 49 7777774 0023737 3 A-A-50 2 20 M

9、aterials and workmanship. applicable for the purpose intended. Materials shall meet ASTM specifications where The machine shall be fabricated from e- compatible materials, inherently corrosion resistant or treated to be protected against the various forms of corrosion and deterioration that may be e

10、ncountered in any of the applicable storage and operating environments to which the item may be exposed. Dissimilar metals as defined inMIL-STD-889 shall be electri- cally insulated from one another to minimize or prevent galvanic corrosion. Workmanship in construction and finish shall be of high qu

11、ality and consistent with industry standards. sound in structure and free from any repair. unused. cleaned and free from sand, dirt, fins, sprues, scale flux, and other harmful or extraneous materials; either rounded or beveled, except where a sharp edge is required by design. Essential Safety Featu

12、res. The machine shall be fitted with suitable devices and covering or guards to provide protection from electrical shock and moving parts such as gears, belts, pulleys, and other parts which may present a hazard. parts. his normal operating position. requirements. sign intended for operator protect

13、ion. and eye hazard which will require safety glasses and ear plugs. Lubrication requirements. gears, and sliding parts shall be provided with a means for lubrication. All . oil holes, grease fittings, and filler caps shall be easily accessible. A lubrication chart or plate shall be securely attache

14、d to the unit. shall be placed in a transparent plastic folder or laminated between clear plastic sheets and permanently sealed and provided with suitable means -for mounting on the unit. information: The machine shall be constructed of parts which are Ali parts shall be new and Castings, forgings,

15、molded parts, stampings, and welded parts shall be External surfaces shall be smooth and all edges shall be All guards shall be designed to provide ready access to the guarded All controls shall be within convenient reach and vision of operator in The machine shall be provided with a prominently loc

16、ated warning The lathe shall meet all applicable OSHA It shall alert the operator to the noise All bearings (except sealed-f or-life type), mating The chart The chart or plate shall provide the following POINTS OF LUBRICATION TYPE OF LUBRICATION VISCOSITY SERVICE INTERVAL Standard commercial product

17、. minimum requirements. requirements and shall be the manufacturers standard commercial product. Additional or better features which are not specifically prohibited by this description but which are a part of the manufacturers standard commercial product, shall be included in the lathe being furnish

18、ed. .A standard commercial product is a product which has been sold or is being currently offered for sale on the commercial market through advertisements, manufacturers catalogs, or brochures, and represents the latest production model. production, marketed, and in use for a minimum of one year. Th

19、e above salient characteristics are set forth as The lathe shall be in accordance with these minimm It shall have been in The introduction of normal product improvements is acceptable. this offering as a commercial product with his bid. The bidder shall submit proof of The contracting officer -_ . a

20、. .I . - . _“ 2 - . . . i- . .L .- i . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- - A-A-50220 47 W 7977774 0023738 5 A-A-50 2 20 will determine the acceptability of this proof. furnish proof of his offering as his standard commercial product sh

21、all be cause for rejection of his bid. Failure of the bidder to Certification. salient characteristics of this description, and that the product conforms to the producers own drawings, specifications, standards, and quality assurance practices and is the same product sold in the commercial marketpla

22、ce. Government reserves the right to require proof of such conformance prior to first delivery and thereafter as may be otherwise provided for under the provisions of the contract. Acceptance. Acceptance of each lathe shall be based on visual inspection and demonstration of its performance capabilit

23、ies. Unless otherwise specified, the contractor is responsible for the performance of all inspection requirements. The Government shall completely inspect the lathe for design, construction, materials, components, electrical equipment and workmanship to determine compliance with these requirements.

24、The lathe shall be given at least a 1 hour continuous run test combining all operations and all speed ranges up to maximum speed permissible. reject ion. The contractor shall certify that the product offered meets the The Any deviation from these requirements shall be cause for Packaging and marking

25、. to overseas Department of Defense (DOD) consignees. Military packaging shal be specified when shipments are Commercial packaging may be specified for shipments to DOD consignees within the Continental United States and to non-DOD consignees worldwide. satisfy the requirements for military packagin

26、g, it may be used. Military packaging. Each lathe shall be preserved and packed to protect against physical damage and deterioration in a logistic environment characterized by the f o1 lowing : 1. 2. 3. 4. 5. When a contractors normal packaging will Multiple handling during transportation and intran

27、sit storage. Shock, vibration, and static loading forces during worldwide shipment by all transport modes. Uncontrolled warehouse storage for extended periods. Weather exposure during shipment and intransit transfers. Stacking loads during shipment and storage. Comercial. normal method for retail di

28、stribution. Uniform Freight Classification or National Motor Freight Classification rules. Each lathe shall be packaged in accordance with the contractors Shipping containers shall comply with . Marking. with the item nomenclature, stock or part number, quantity per pack, and contract number as a mi

29、nhum; additional marking shall be as specified in the contract or order. consignees address. contrasting color, of an appropriate size, and waterproof materials. Custodian PREPARING ACTIVITY Unit, intermediate (when provided), and exterior packs shall be marked Exterior packs shall have in addition the complete Markings shall be applied in legible manner, in a Army - ME Army - ME Project 4 940-A454 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-