DLA MIL-H-9859 A-1968 HANDWHEEL ORDNANCE《军火驾驶盘》.pdf
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1、VIL-H-7859A 53 7977906 0099672 T MIL-H-9859A MIL-H-9859 30 March 1959 MILITARY SPECIFICATION HANDWHEELS This specification is mandatory for use by all Departments and Agencies of the Department of Defense. 1, SCOPE 1.1 Scope. This specification covers commercial hand- wheels, 3 inches in diameter or
2、 larger, designed to transmit manual power to a shaft. ing types, compositions, classes, styles and sizes: 1.2 Classification. Handwheels shall be of the follow- 1.2.1 Body. - Type I - Straight Composition A - Aluminum alloy Composition B - Copper alloy Composition C - Gray iron Composition D - Mall
3、eable iron Composition E - Nodular iron Type II - Offset Composition A - Aluminum alloy Composition B - Copper alloy Composition C - Gray iron Composition D - Malleable iron Composition E - Nodular iron 1.2.2 Body hub bore: Class 1 - Without keyway Class 2 - With keyway FSC 5340 Licensed by Informat
4、ion Handling ServicesMIL-H-9859A 53 = 9999906 0099b73 1 MIL-H-9859A 1.2.3 Handle Style 1 - Without handle Style 2 - With solid handle Composition F - Aluminum alloy Composition G - Naval brass Composition H - Steel Style 3 - With revolving handle 1.2.4 Size. Handwheels shall be classified according
5、to size by tlTut minimum thickness of spokes shall be 1/4 the rim thickness and minimum width of spokes shall be 1/2 the rim thickness, 3.2.2 Hand rotation. Revolving handles for style 3 3.2.3 Spokes. Spoke design of handwheels shall be at Handwheels 4 -. Licensed by Information Handling ServicesMIL
6、-H-9859A 53 W 9999906 O099676 7 W MIL-H-9859A 3.2.4 Attaching of handles. Handles for styles 2 and 3 handwheels shall b e attached so that the handles shall not loosen during service, Any posi.tive locking feature may be used to secure the handles to the handwheels. 3.2.5 Body hub bore. Unless other
7、wise specified (see Keyway dimensions shall be in accordance with MS35756. 6.2), body hub bore shall be without keyway (class 1). When s ecified (see 6.2), body hub bore shall be with keyway (class 27. 3.2.6 Handle location. Handwheel handles shall be located on the handwheel rim, as illustrated in
8、figure 1. 3.3 Dimensions and tolerances. 3.3.1 Handwheels. Dimensions and tolerances of hand- wheels shall be in accordance with figure I, tables I or II and MS21312, as applicable. Dimensions and tolerances shall apply prior to coating, except for the hub bore dimensions of anodized aluminum handwh
9、eels. 3.3.2 Concentricity. The outside diameter of the rim shall be concentric with the hub bore within 1 percent of the outside diameter of the rim, total indicator reading. The outside diameter of the hub shall be concentric with the hub bore within 3 percent of the outside diameter of the hub, to
10、tal indicator reading. 3.3.3 An ularity. The outside faces-of the rim and . hub shall be + square w th the axis of the hub within +30f. The axis of the handle shall be square with the face of the rim within +2O. 3.4 Surface roughness. Surface roughness shall be as specified ln figure 1, in accordanc
11、e with USAS B46.i. 3.5 Protective finish. 3.5.1 Anodic coating. Aluminum handwheels shall be 3.5.2 Cadmium plating. When specified (see 6.2), cad- anodized in accordance with MIL-A-8625, type II. mim plating shall b e in accordance with QQ-P-416, type II, class 3, except that the hub bore shall not
12、be plated. 3.5.3 Zinc coating. When specified (see 6.2), zinc coat- ing shall be in accordance with QQ-2-325, type II, class 3, except that the hub bore shall not be coated. 5 o Licensed by Information Handling ServicesMIL-H-9859A 3.5.4 Plastisol coating. When specified (see 6.2), plastisol coating
13、shall b e in accordance with MIL-P-20689, type II, class 1; .O78 inch f .o16 inch thick. Styles 1-and 2 shall have all surfaces coated except the hub ends and hub bore. Style 3 shall have the grip surface of the handle and all surfaces of the handwheel body coated, except the hub ends, hub bore and
14、handle boss. The coatin shall be either flush with exposed surfaces or chamfered 4!j5 I loo to the intersec- tion of exposed surfaces. 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the contract or purchase order, the supplier is responsible for the
15、performance of all inspection require- ments as specified herein. Except as otherwise specified in the contract or order, the supplier may use his own or any other facilities suitable for the performance of the inspec- tion requirements specified herein, unless disapproved by the Government. The Gov
16、ernment reserves the right to perform any of the inspections set forth in the specification where such inspections are deemed necessary to assure supplies and services conform to prescribed requirements. 4.1.1 Quality assurance terms and definitions. Quality assurance terms and definitions used here
17、in are in accordance With MIL-STD-109. 4.2 Inspection provisions. 4.2.1 Lot. Unless otherwise specified, a lot shall consist of amandwheels of like design, produced by the same manufacturer, under essentially the same conditions and offered for acceptance at one time. 4.2.2 Sampling. 4.2.2.1 Examina
18、tion. Sampling for examination shall be in accordance with -STD-105. 4.3 Examination. Handwheels taken as specified in 4.2.2.1 shall be examined to determine compliance with the requirements of this specification. Examination shall be conducted in accordance with the following Classification of Defe
19、cts. The Acceptable Quality Levels (Aals) shall apply to the group and not to each listed characteristic. 6 Licensed by Information Handling Services_ MIL-H-757A 53 = 777770b 0077b7 O .Cat e gory Critical Major 101 102 103 104 105 106 Minor 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215
20、 216 MIL-H-9859A Classification of Defects Defect None defined AQL = 2.5 Hub: Hub: Angularity out of tolerance Handle, solid: Loose in hole Handle, revolving: Loose in hole Handle, revolving: Binds on mat- Handle stem: Threads out of tol- Bore diameter out of tolerance ing diameter erance AU = 6.5 W
21、heel: Depth out of tolerance Rim: Outside diameter out of tol- Rim: Thickness out of tolerance Spoke thickness not as specified Spoke width not as specified Hub: Outside diameter out of tol- erance Hub: Length out of tolerance Handle: erance Handle: Diameter out of tolerance Concentricity of rim wit
22、h bore, out of tolerance Surface roughness not as specified Protective finish missing or incom- plete Handwheel unbalanced Wheel has less than three spokes Angularity of rim out of tolerance Angularity of handle out of toler- erance Grip length out of tol- ance Inspmtion Method SIE * SIE Manual Manu
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- DLAMILH9859A1968HANDWHEELORDNANCE 军火 驾驶盘 PDF
