DLA A-A-55632-1997 SPACERS FOR ROTARY SWEEPER BRUSH FOR SWEEPER FRONT MOUNTED OR TOWED TYPE《前装或平拖式的扫频仪的旋转清扫毛刷的垫片》.pdf
《DLA A-A-55632-1997 SPACERS FOR ROTARY SWEEPER BRUSH FOR SWEEPER FRONT MOUNTED OR TOWED TYPE《前装或平拖式的扫频仪的旋转清扫毛刷的垫片》.pdf》由会员分享,可在线阅读,更多相关《DLA A-A-55632-1997 SPACERS FOR ROTARY SWEEPER BRUSH FOR SWEEPER FRONT MOUNTED OR TOWED TYPE《前装或平拖式的扫频仪的旋转清扫毛刷的垫片》.pdf(3页珍藏版)》请在麦多课文档分享上搜索。
1、A-A-55632 5 December 1997 COMMERCIAL ITEM DESCRIPTION SPACERS, FOR ROTARY SWEEPER BRUSH: FOR SWEEPER, FRONT MOUNTED OR TOWED WE The General Services Administration has authorized the use of this commercial item description (CID) for ail federal agencies. 1. SCOPE. This CID covers the general require
2、ments for spacers, steel and plastic for high speed rotary sweepers. Spacers covered by this CID are intended for comrnercialhndustrial applications. 2. CLASSIFICATION. The spacers shall be of the following types and classes (see 7.2 and 7.4): Type 04 - Flat ring, continuous, steel spacer Type 05 -
3、Flat ring, continuous, plastic spacer Type O9 - Flat ring, tufted, steel spacer Type 10 - Flat ring, tufted, plastic spacer Class A - 10.75 inch Inside Diameter Class B - 19.50 inch Inside Diameter 3. SALIENT CHARACTERISTICS. 3.1 Environmental conditions. The spacers shall satisfactorily withstand s
4、torage temperatures ranging from -6OOF to +160“F and operating temperatures ranging from -40F to +125OF. 3.2 Operating conditions. The spacers shall be for use on sweepers that operate at 0-800 rpm broom core rotational speed. 3.3 Performance. When operated on concrete runways at a sweeping speed of
5、 35 mph, a rotational speed of 500 rpm and with a brush pattern of not less than 2 inches but not greater than 4 inches, a new spacer shall be capable of operating Satisfactorily for a minimum of 160 hours. The spacers shall maintain this performance at any operational temperature in the range speci
6、fied in 3.1. 3.4 Construction. Spacers shall have an inside diameter of 10.75 -0 + .125 inches for Class A and 19.50 -0 + .125 inches for Class B and shall be of the type and class as specified in section 2. 3.4.1 Steel spacers. The spacers shall be manufacturers standard type and shall be made ffom
7、 steel conforming to SAE J403 (UNS G10180) with a minimum thickness of .O25 inches for Class A and .O45 inches for Class B. Beneficial comments, recommendations, additions, deletions, clarifications, etc., and any data which may improve this document should be sent to: Defense Industrial Supply Cent
8、er, Attn.: DISC-BBEE, 700 Robbins Avenue, Philadelphia, PA 191 11-5096. AMSC NIA FSC 3825 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- - A-A-55632 9999974 0376725 4
9、64 A-A-55632 3.4.2 Plastic spacers. The spacers shall be manufacturers standard type and shall be made of polypropylene plastic. 3.4.3 Spacer Thickness. 3.4.3.1 Type O4 and 05 - Flat ring, continuous. The spacers shall have a thickness of 1.375 k .O63 inch. 3.4.3.2 Type O9 and 10 - Flat ring, tufted
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