GSA A-A-3050-1996 VISE PIPE HINGED JAW《管子台虎钳》.pdf
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1、A-A-3050 m 9999974 0372755 532 rn INCH-POUND A-A-3050 November6.1996 COMMERCIAL ITEM DESCRIPTION VISE, PIPE, HINGED JAW The General Services Administration has authorized the use of this Commercial Item Description for the procurement of the type I, class 2, vises specified in GGG-V-4 15A for all fe
2、deral agencies. 1. SCOPE. 1.1 Scppe. This Commercial Item Description covers a hinged jaw pipe vise used to hold various sizes of pipe and is capable of being mounted to a tripod stand or bench. 2. CLASSIFICATION. 0 2.1 Classification. Not applicable. 3. SALIENT CHARAmRIsTIcs. 3.1 m. The vise shall
3、consist of a base, frame and hook, jaw crosshead, jaws, screw and screw handle, and be similar to Figure 1. All parts having the same manufacturers number shali be direcy and completeiy interchangeable with each other with respect to installation and performance. Pipe sizes, screw diameters, and wei
4、ghts shall be in accordance with Table I. Figure 1. Vise, pipe, hinged jaw. t Beneficial comments, recommendations, additions, deletions, clarifications, etc., and any other data which may improve this document should be sent to: General Services Administration, Federal Supply Service, Tools and App
5、liances Commodity Center, Kansas City, MO 64 13 1. I I . -. Approved for public release; distribution is unlimited. FSC 5 120 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-3050 9999974 0372756 479 A-A-3050 TABLEI. Screw diameter Nominal pipe si
6、ze capacity* (minimum) (Inches) (inches) Weight (minimum) (Pounds) 118 to 2-112 1/8 to 4-112 118 to 6 1 to 8 1-112 to 12 718 1 1 - 118 1 - 118 1-318 10 23 35 75 160 * Capacities noted are the minimum and maximum required by are not intended to preclude vises with capacity below the minimum or above
7、the maximum (by not more than 1 inch) provided all other requirements are met. 3.1.1 w. The base shall be of malleable iron, ductile iron or steel and have at least three mounting holes. The vertical upright section of the base shall be provided with holes for the mounting of the fiame and shall hav
8、e provisions on both sides for automatic engagement of the iatch hook. The upright section of the base shall be symmeical about the vertical centerne to provide for hinging the frame from either the right or left side. The lower jaw mounting shall be so designed as to allow the vise to clamp the min
9、imum pipe-size capacity of the vise. 3.1.2 -. The frame and hook shall be of malleable iron, ductile iron or steel and shall be U-shaped. The open ends of the frame shall have mounting bolt holes to align with the bolt holes in the uprights of the base. The closed end shall have an internal threaded
10、 hole, compatible with the screw, in the center of the frame, or a means to hold a replaceable nut to engage the vise screw. The latch hook shall be of steel or malleable iron and shall be designed and mounted to automaticaily lock the frame in the closed position, and one of the legs shal have a ho
11、le for mounting the latch hook. The assembled fiame shall be so designed as to be reversible in a vertical plane to the base to provide for hinging the frame from either the right or left side of the base. The inside of the frame shall have mooth and parallel ways, free of burrs and fins, to act as
12、guides for the jaw crossheads and shall permit the crosshead to slide freely over the entire length of adjustment without binding. 3.1.3 Jaw crosshead. The jaw crosshead shall be of malleable iron, ductile iron, or steel. The design shall be such that the strength of the crosshead will be adequate f
13、or the purpose intended The top of the crosshead shall provide a means to allow the end of the screw to swivel and be designed to both raise and lower the crosshead by action of the screw. 3.1.4 or one coat of primer and one coat of air-drymg enamel or lacquer. in no case shaii frllers be used. 1 3.
14、2 . The tool shall be marked with the manufacturer?s name or identifying symbol and the state or country of manufacture, unless otherwise specified. All identification markings shall be engraved, etched, molded, or indented directly on the item?s surface in such a manner that it remains clearly legi
15、ble throughout the life of the item. . i I 3.3 . , Details of workmanship shall be in accordance with the best commercial practice. Paints, coatings, piatings, and finishes shall be smooth, adherent, continuous, and not stained or discolored. External surfaces shall be fiee of tool and gouge marks,
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- GSAAA30501996VISEPIPEHINGEDJAW 管子 虎钳 PDF
