1、- MIL-T-52L7bB 38 m 9999906 02LLi9q b m MILITARY SPECIFICATION , MIL-T; 52176 - SUPERSEDING NIL -T -5217th 4 November 1969 TEETH, SURFACE RIPPING; (POINTS, SKA-rJKS, KEEPERS AND KEEPER LOCKS), BUCKET AND DIPPER, CRANE-SHOVEL I This specification is approved for use by all Departments and Agencies of
2、 the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers points, shanks, keepers, and keeper locks which make up power excavator bucket and dipper teeth. 1.2 Classification. 1.2.1 Points. The points shall be of the following sizes, as specified . (see 6.2): Size 3 - For use on 3/8-
3、and 1/2-cubic-yard buckets. Size 4 - For use on 3/4-, 1-, and l-l/2-cubic-yard buckets. Size 5 - For use on 2- and 2-1/2-cubic-yard buckets. Size 6 - For use on 3-1/2-cubic-yard buckets. L.2.2 Shanks. The shanks shall be of the following types and sizes, as specifiedF6.2) : Type I - For clamshell bu
4、ckets. Size 3 - For 3/8- and 1/2-cubic-yesd buckets. Size 4 - For 3/4-, 1-, and 1-1/2-cubic-yard buckets. Size 5 - For 2- and 2-1/2-cubic-yard buckets. Size 6 - For 3-1/2-cubic-yrd buckets. Type II - For backhoe, dipper, and dragline buckets. Size 3 - For 3/8- and 1/2-cubic-yard buckets. Size 4 - Fo
5、r 3/4-, 1-, and l-1/2-cubic-yard buckets. Size 5 - For 2- and 2-1/2-cubic-yard buckets. Size 6 - For 3-1/2-cubic-yard bucketr;. FSC 3815 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-L MIL-T-52L7bB 38 3777706 02L8475 8 W MIL-T- 52176 1.2.3 Keepers.
6、 The keepers shall be of the following sizes, as specified (see 6.2): Size 3 - For 3/8- and 1/2-cubic-yard buckets. Size 4 - For 3/4-, 1-, and l-1/2-cubic-yard buckets. Size 5 - For 2- and 2-1/2-cubic-yard buckets. Size 6 - For 3-1/2-cubic-yard buckets. The keeper locks shall be of the following siz
7、es, as Size 3 - For 3/8- and 1/2-cubic-yard buckets. Size 4 - For 3/4-, 1-, and l-l/S-cubic-yard buckets, Size 5 - For 2- and 2-1/2-cubic-yard buckets. Size 6 - For 3-1/2-cubic-yard buckets. 2. APPLICABLE DOCUMEXPS I 2.1 Issues of documents. The following documents of the issue in effect on date of
8、invitation for bids or request for proposal form a part of this specification to the extent specified herein: . SPECIFICATIONS Federal Qq -S -781 PPP -B -601 PPP -B -621 - Strapping, Steel, and Seals. ,- Boxes, Wood, Cleated-Plywood. - Boxes, Wood, Nailed and Lock-Corner, Military I MIL -P -116 - Pr
9、eservation-Packaging, Methode of. STANDARDS Military MIL-STD-O MIL-STD- MIL -sr-i30 MIL - STD - 1186 - Sampling Procedtires and Tables for Inspection by Attributes. - Marking for Shipment and Storage. - Identification Marking of US Military - Cushioning, Anchoring, Bracing, Block- Property. ing, and
10、 Waterproofing; with Appropriate Test Methods. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-5217bB 38 W 9999906 0218496 T W . DRAWINGS ME - Wi13213E6846 TA13213E6847 TAl3213E6848 TA132136849 TA132136850 TA132196851 TA132136852 TA132136853
11、MIL -T -52176 - 3 Inch Point and Shank Assembly Type I, For Clamshell Bucket. - 4 Inch Point and Shank Assembly Type I, For Clamshell Bucket. - 5 Inch Point and Shank Assembly Type I, For Clamshell Bucket. - 6 Inch Point and Shank Assembly Type I, For Clamshell Bucket. - 3 Inch Point and Shank Assem
12、bly . The equipment shall be identified in accor- dance with MIL-STD-130. 3.5 Interchangeabilitx. All like components shall be functionally and dimensionally interchangeable. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL “P - 52176 3.6 Workma
13、nship. All parts, components, and assemblies including castings, forgings, molded parts, stampings, and machined surfaces shall be clean and free from sand, dirt, fins, pits, sprues, scale, flux, and other harmful ex- traneous material. External surfaces shall be free from burrs, sharp edges, and co
14、rners except when sharp edges and corners are required. Castings shall be sound and free from patching, misplaced coring,.warping, or any other de- fects which might render the casting unsound for its intended use. 4. WALTY ASSURANCE PEWISIONS 4.1 Responsibility for inspection. Unless otherwise spec
15、ified in the con- tract, the contractor is responsible for the performance of all inspection requirementsas specified herein. Except as otherwise specified in the con- tract, the contractor may use his own or any other facilities suitable for the performance of the inspection requirements specified
16、herein, unless dis- approved by the Government. of the inspections set forth in the specification where such inspections are deemed necessary to assure supplies and services conform to prescribed re- quirements. The Government reserves the right to perform any 4.1.1 Component and material inspection
17、. The contractor is responsible for insuring that components and materials used are manufactured, examined, and tested in accordance with referenced specifications and standards. 4 . 2 Classification of inspections; The inspection requirements specified herein are .classified as follows: (a) First-p
18、roduced complete tooth or tooth components inspection (see 4.3). (b) Quality conformance inspection (see 4.4). (c) inspection of packaging (see 4.5). 4.3 First-produced complete tooth or tooth components inspection. 4.3.1 Examination. The first-produced complete tooth or tooth components, as applica
19、ble, shall be examined as specified in 4.4.2, except that Item 106 shall not apply to this examination. be cause for rejection. Presence of one or more defects shall 4.4 Quality conformance inspection. 4.4.1 Sampling. Sampling of tooth components for examination shall be in accordance with MIL-STD-1
20、05. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-52376B 38 7777706 0238479 5 m MIL -T - 52176 4.4.2 Examination. Samples eelected in accordance with 4.4.1 shall be examined for the following major defects. AQL shall be 4.0 percent defectiv
21、e. 101. Dimensions not as specified. 102. Material not as specified. 103. Any mechanical property not as specified. 104. Identification mrkings not as specified. 105. kridence of cracks, rust, or other defects that could impair serviceability. 106. Tooth components not interchangeable with other lik
22、e components or not interchangeable with like cqmponente of the fire%-produced complete tooth or tooth components. 4.5 inspection of packaging. 4.5.1 Quality conformance inspection of pack. 4.5.1.1 Unit of product. For the purpose of inspection, a completed pack prepared for shipment shall be consid
23、ered a unit of product. 4.5.1.2 Sampling. Sampling for examination shall be in accordance with MIL-EQD-O. 4.5.1.3 Examination. Samples selected in accordance with 4.5.1.2 shall be examined for the followlng defects. AQL shall be 2.5 percent defective. 107. 108. 109. 110. 111. 112. lis. Merking missi
24、ng, illegible, incorrect, or incomplete. Materials and containers not as specified for Level A or B. incorrect material or container ehall constitute one defeat. Unprotected surfaces not coated with preservative as specified. Items of unlike description packed together for Level A or B. Gros6 weight
25、 exceeds the limitations of the box specification far Level A or B. Blocking and bracing not in accordance with the referenced doc- ument for Level A or B. Strapping not as specified for Level A. Each 5. PACKAGING I. 5.1 Preservation (see 6.4). Unprotected surfaces requiring the applica- tion of a c
26、ontact preservative in accordance with MIL-P- shall be coated with Type P-1 preservative. cable specification listed in and shall be applied in accordance with MIL-P-. The preservative shall conform to the appli- 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license
27、from IHS-,-,-l - . -_ - MIL-T-5237bB 38 7779706 0238500 8 W MIL -T - 52176 I 5.2 Packing, 5.2.1 Level A. Packing shall be Level A, B, or C, as specified (see 6.2). 5.2.1.1 Tooth assemblies. The tooth assemblies of like description shall be packed together in close-fitting boxes conforming to FTP-B-,
28、 Class 2, style optional, or in boxes conforming to PPP-B-601, Overseas Typ, Grade B, style optional, in quantities not to exceed the weight limitation of the box. The contents shall be blocked and braced within the box to prevent movement in accordance with MIL-STD-1186. Box closure and etrapping s
29、hall be in ac- cordance with the appendix to the applicable box epeciflcation. The strapping shall conform to QQ-8-781, Class 1, Type I or IV, size a6 applicable; and, unless otherwise specified by the ordering activity, shall be Finish B. specified (see 6.2), Finish A strapping shall be used. When
30、5.2.l.2 Points, shanks, keepers, and keeper locks. Points, shanks, keepers, and keeper locks of like description shall be packed together as specified in 5.2.1.1 for tooth assemblies. 5.2.2 Level B. LevelB packing shall be 8s specified in 5.2.1 for Level A, except that boxes shall be Domestic Type o
31、r Class, as applicable. closure and strapping shall be in accordance with the appendix to the appli- cable box specification. Box 5.2.3 Level C. The tooth assemblies or the component parts shall be packed to assure carrier acceptance and safe delivery to destination at lowest rat- ings in containers
32、 complying with Uniform Freight Classification rules or Na- tional Motor Freight Classification rules. containers shall be marked in accordance with 60 NOTES 6.1 Intended use. The points, shanks, keepers, and keeper locks formcompo- parts of bucket teeth which are intended for use on all buckets (3/
33、8- nent through 3-1/2-cubic-yard capacity) for clamshell, dragline, backhoe, and shovel. 6.2 Orderinp; data. Procurement documents should specify the following: (a) (a) (e) Title, number, and date of this specification. Size of keepers required (see 1.2.3). Size of keeper locks required (see 1.2.4).
34、 Size of points required (see 1.2.1). Type and size of shanks required (see 1.2.2). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-52176B (f) Time frame required for submission of first-produced tooth or tooth components, as applicable (see 3.
35、2). (g) Level of packing required (see 5.2). (h) When Finish A strapping is required (see 5.2.1.1). 6.3 First-produced tooth or tooth components. Any changes or deviations of production teeth or tooth components from the approved first-produced tooth or tooth components during production will be sub
36、ject to the approval of the contracting officer. Approval of the first-produced tooth or tooth componente will not relieve the contractor of hi8 Oblig8tiOn to furnish tooth or tooth components conforming to this specification. 6.4 Levels of preservation have not been included &B the preservation spe
37、cified Is the minimum acceptable for any level. packing level marking, the boxes shall be marked A/A, A/B, or A/C, as appli- cable . For purposes of preservation/ Custodians : Navy - YD User activities: Preparing activity: Army - ME Project NO 3815-0081 Army - CE Navy - MC *U.S. GOVERNMENT PRINTING OFFICE: 1976-603-766/3223 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
