ARMY A-A-52615-1996 BALLS WRECKING《失事球》.pdf
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1、 A-A-52615 9999974 0373804 Oh4 = INCH-POUND A- A- 5 26 l 5 July 12, 1996 SUPERSEDING 2 January 1996 MIL-PRF-23276D COMMERCIAL ITEM DESCRIPTION BALLS, WRECKING The General Services Administration has authorized the use of this Commercial Item Description (CID) for all federal agencies. 1. SCOPE. This
2、 CID covers wrecking balls intended for use in demolition operations. 2. CLASSIFICATION. The wrecking balls shall conform to the following sizes: Size 1 - 1500 pounds. Size 2 - 6000 pounds. 3. SALIENT CHARACTERISTICS 3.1 Design and construction. The wrecking balls shall be designed and constructed i
3、n accordance with the manufacturers specifications for wrecking balls, unless otherwise specified herein. 3.2 Materials. Unless otherwise specified herein, materials used shall be in accordance with manufacturers materials specifications for wrecking balls. The materials shall be capable of meeting
4、all of the operational and environmental requirements specified herein. Asbestos, cadmium, and radioactive material will not be used in this item. Radioactive material is defined by Title 10, Code of Federal Regulations, Part 40, and other radioactive material in which the radioactivity is greater t
5、han 0.002 microcuries per gr distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-52615 = 9999974 0373805 TTO = A-A-526 15 3.2.1 Metals. The use of dissimilar metals in intimate metal to metal contact shall be avoided. 3.2.2
6、 Composition. The wrecking balls shall be sound and free from defects and shall be constructed from the following materials: Size 1 - Gray cast iron conforming to ASTM A48, Class 40C, or equivalent. Size 2 - Cast steel conforming to ASTM A27, Grade 70,36, or equivalent. 3.2.3 Finish. The wrecking ba
7、lls shall have a smooth surface. 3.2.4 Weight. The weight tolerance for the wrecking balls shall be plus 10 percent and minus 5 percent. 3.2.5 Shape. The wrecking balls shall be constructed in the following shapes: Size 1 - Spherical shaped. Size 2 - Spherical or pear shaped, as specified in the con
8、tract order (see 7.3). 3.3 Lifting connection. Unless otherwise specified in the contract order (see 7.3), the wrecking bail shall be supplied with a lifting connection in accordance with manufacturers standards for iiftbg connections, suitable for normal operational use with the appropriate wreckin
9、g ball. 3.4 Interchangeabilitv. Emphasis shall be placed on dimensional tolerances. All parts having the same part number shall be capable of exchange without loss of functional or physical characteristics. 3.5 Identification marking. Wrecking balls shall be legibly marked near the lifting connectio
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- ARMYAA526151996BALLSWRECKING 失事 PDF
