1、 Beneficial comments, recommendations, additions, deletions, clarifications, etc. and any data that may improve this document should be sent to: STDZNMGTdla.mil or Defense Supply Center Richmond (DSCR), ATTN: DSCR-VEB, 8000 Jefferson Davis Highway, Richmond, VA 23297-5616. AMSC N/A FSC 3460 INCH-POU
2、ND A-A-51137B 22 March 2007 SUPERSEDING A-A-51137A 5 February 1990 COMMERCIAL ITEM DESCRIPTION TOOL HOLDERS, BORING TOOL AND BORING BAR, LATHE The General Services Administration has authorized the use of this commercial item description for all federal agencies. 1. SCOPE. This commercial item descr
3、iption (CID) covers tool holders that are designed to hold and support boring tools and boring bars used on metalworking lathes. 2. CLASSIFICATION. The tool holders shall be of the following types, styles, and sizes. 2.1 Type. Type refers to the method the tool holder uses to mount the tool. The typ
4、e shall be as specified (see 7.3(b) and is described herein as follows: Type I - shank mounted Type II - t-slot mounted 2.2 Style. Style refers to the configuration of the tool holder. The style shall be as specified (see 7.3(c) and is described herein as follows: Type I - style A - reversible (see
5、table I) Type I - style B - clamp block (see table II) Type I - style C - split clamp (see table III) Type II - style A - adjustable height (see table IV) Type II - style B - fixed height (see table V) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
6、A-A-51137B 2 2.3 Size. The dimensional features of the tool holders shall be in accordance with tables I, II, III, IV, and V as needed for the type, style, and size specified. The tolerances of all dimensional features shall conform to those identified on the suppliers parts drawings except where a
7、tolerance range is shown in the tables. The size shall be as specified (see 7.3(d) and is described herein as follows: TABLE I. Type I, style A shank mounted reversible tool holder. Diameter of boring tool accommodated (inches1) Dimensions square bit accommodated (inches) Tool holder size Thickness
8、of shank (inches) Height of shank (inches) Length of shank (inches) Min. Max. Cross section Length10 3/8 3/4 3-3/8 3/16 1/4 1/4 2-1/2 11 1/2 1 3-3/4 3/16 5/16 5/16 2-1/2 12 5/8 1-1/4 4-3/8 1/4 3/8 3/8 3 13 3/4 1-1/2 4-5/8 5/16 7/16 7/16 3-1/2 1See table VI for solid boring tool dimensions. TABLE II.
9、 Type I, style B shank mounted clamp block tool holder. Diameter of boring bar accommodated (inches1) Tool holder size Thickness of shank (inches) Height of shank (inches) Length of shank (inches) Min. Max. 20 3/8 3/4 3-3/4 1/4 5/8 21 1/2 1-1/8 4-5/8 1/4 3/4 22 5/8 1-3/8 5-1/2 3/8 15/16 23 3/4 1-5/8
10、 6-3/8 1/2 1-1/8 1See table VII for dimensions of square tool bits. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-51137B 3 TABLE III. Type I, style C shank mounted split clamp tool holder. Tool holder size Thickness of shank (inches) Height of
11、shank (inches) Length of shank (inches) Diameter boring bar accommodated (inches1) 29 5/16 3/4 3 1/2 30 3/8 7/8 3-1/8 5/8 31 1/2 1-1/8 3-1/2 3/4 32 5/8 1-3/8 4-1/8 1 33 3/4 1-5/8 4-3/4 1-1/4 34 7/8 1-3/4 5-1/4 1-5/16 35 1 2 6 1-1/2 1See table VII for dimensions of boring tools. TABLE IV. Type II, st
12、yle A T-slot mounted adjustable height tool holder. Diameter of T-slot flange (inches) Thickness of T-slot flange (inches) Diameter range of boring bar (inches1) Span of ring adjustment (inches) Tool holder size Min. Max. Min. Max. Min. Max. Min. Max. 40 2-15/16 3-1/16 19/32 21/32 1/2 1-15/16 1-7/16
13、 1-15/16 41 3-7/16 3-9/16 23/32 25/32 1/2 1-1/2 1-11/16 2-5/16 42 4-3/16 4-5/16 27/32 29/32 5/8 1-13/16 2-1/16 2-7/8 43 4-15/16 5-1/16 1-1/32 1-3/32 3/4 2-1/4 2-3/8 3-1/4 1See table VII for dimensions of boring bars and tool bits. TABLE V. Type II, style B T-slot mounted fixed height tool holder. Di
14、ameter of T-slot flange (inches) Thickness of T-slot flange (inches) Width of flange flat (inches) Diameter of boring bars furnished (inches1) Tool holder size Min. Max. Min. Max. Min. Max. Small Medium Large 50 1-15/16 2-1/16 11/32 13/32 1-7/32 1-9/32 3/821/2 3/4 51 2-7/16 2-5/8 13/32 1/2 1-15/16 2
15、-1/8 1/2 5/8 3/4 52 3 3-1/4 19/32 11/16 2-7/16 2-5/8 1/2 3/4 1-1/4 53 3-7/16 3-5/8 23/32 13/16 2-15/16 3-1/8 5/8 1 1-1/4 54 4-3/16 4-3/8 27/32 15/16 3-7/16 3-5/8 3/4 1-1/4 1-1/2 1See table VII for dimensions of boring bars and tool bits. 2A solid boring tool (S-T-6) shall be furnished for the 3/8“ d
16、iameter boring bar. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-51137B 4 3. SALIENT CHARACTERISTICS 3.1 Design. The tool holder shall be new and of the manufacturers commercial design in effect on the date of the solicitation. The tool holder
17、 shall meet the criteria specified herein and conform to current industrial practice. 3.2 Materials and hardness. Type I shank mounted tool holders shall be of drop-forged alloy steel, heat-treated to a Rockwell “C“ 40 to 52 hardness or alloy steel, and surface hardened to a Rockwell “C“ 50 to 55 ha
18、rdness. The type I, style C split clamp tool holder head shall be hardened to a Rockwell “C“ 26 to 34 hardness. Type II T-slot mounted tool holders shall be of steel. 3.3 Tool holders. The tool holders covered herein are described as follows. 3.3.1 Type I, style A. The type I, style A reversible sha
19、nk mounted boring and turning tool holders shall have a tool holding head grooved on top and bottom for supporting cutting tools with a swiveling yoke style clamping device. The shank shall be offset 45 degrees from the tool holding head. Dimensions of the tool holder shall conform to table I. Two s
20、olid boring tools, one square high speed tool steel bit, and a wrench to fit the clamp screw, shall be furnished with each tool holder. The boring tools shall conform to table VI for size specified. 3.3.2 Type I, style B. The type I, style B clamp block tool holder shall have a reversible clamp bloc
21、k to fasten boring bars to the tool holding head. One boring bar of the maximum size accommodated, a wrench to fit the clamp screws, and a wrench to fasten tool bits to the boring bar shall be furnished with each tool holder. Dimensions of the tool holder shall conform to table II. 3.3.3 Type I, sty
22、le C. The type I, style C split clamp tool holders shall be furnished with one boring bar of the maximum size within the capacity of the tool holder. The boring bar may be a plain bar with two tool bits, a wrench to fit the clamp screw, and a wrench to fit the tool bit fastener devise. Dimensions of
23、 the tool holders shall conform to table III. 3.3.4 Type II, style A. The type II, style A adjustable height tool holder shall be furnished with an adjustable ring for height adjustment of boring tools. One boring bar of the maximum size within the capacity of the holder, two tool bits, a wrench to
24、fit the clamp screw, and a wrench to fasten tool bits to the bar shall be furnished with each tool holder. Dimensions of the tool holders shall conform to table IV. 3.3.5 Type II, style B. The type II, style B fixed height tool holder shall accommodate three sizes of boring bars and shall be designe
25、d so that a slight turn of the clamp screw will secure or release both bar and holder. Three bars of appropriate size shall be furnished with each holder. A wrench to fit the clamp screw and a wrench to fasten tool bits to boring bars or a combination wrench to fit both the clamp screw and tool bit
26、fastener devices shall be furnished with each tool holder. The dimensions of the tool holders shall conform to table V. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-51137B 5 3.4 Boring bars. 3.4.1 S-T series. Unless otherwise specified (see7.3
27、(e), solid forged bars with tool numbers shall conform to table VI. TABLE VI. Solid boring tools for type I, style A tool holders. Boring tool number Diameter of boring tool (inches) Length of boring tool (inches) Width of cutting face (inches) Applicable tool holder number (see table I) S-T-1 3/16
28、4 5/16 10 S-T-2 1/4 5 17/32 10 S-T-3 3/16 4-1/2 7/16 11 S-T-4 5/16 6 5/8 11 S-T-5 1/4 5 17/32 12 S-T-6 3/8 7 3/4 12 S-T-7 5/16 6 5/8 13 S-T-8 7/16 8 7/8 13 3.4.2 P-B series. Unless otherwise specified (see 7.3(e), plain bars having tool bit channels of 90 degrees and 45 degrees at opposite ends of t
29、he bar with tool numbers shall conform to table VII. TABLE VII. Plain boring bars. Square tool bit Length (inches) Number of plain bar Diameter of boring bar (inches) Length of boring bar (inches) Cross section (inches) Straight 90 degree Angular 45 degree P-B-1 1/2 8 3/16 1 2 P-B-3 5/8 9 3/16 1 2 P
30、-B-4 3/4 11 1/4 1-7/32 2-1/2 P-B-5 1 13 5/16 1-7/16 2-1/2 P-B-6 1-1/4 18 3/8 1-13/16 3 P-B-10 1-1/2 23 1/2 2-1/2 4 P-B-12 1-3/4 28 5/8 3-1/4 4-1/2 P-B-13 2-1/4 34 5/8 3-1/4 4-1/2 P-B-14 2-1/4 31 3/4 4-3/4 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS
31、-,-,-A-A-51137B 6 3.5 Measurement system. All dimensions in the description are given in US units. These dimensions may be converted to SI units through the use of conversion factors and methods specified in FED-STD-376, “Preferred Metric Units for General Use by the Federal Government“. 3.6 Workman
32、ship. Workmanship of the tool holders should be of a quality equal to that of comparable products furnished on the commercial market. 4. REGULATORY REQUIREMENTS 4.1 Recovered materials. The offeror/contractor is encouraged to use recovered materials to the maximum extent practicable, in accordance w
33、ith paragraph 23.403 of the Federal Acquisition Regulation (FAR). 5. PRODUCT CONFORMANCE PROVISIONS 5.1 Product conformance. The products provided shall meet the salient characteristics of this CID, conform to the producers own drawings, specifications, standards, and quality assurance practices, an
34、d be the same product offered for sale in the commercial marketplace. The government reserves the right to require proof of such conformance. 5.2 Market acceptability. The product offered must have been previously sold either to the government or on the commercial market. 6. PACKAGING 6.1 Preservati
35、on, packing, and marking. Preservation, packing, and marking shall be as specified in the acquisition order (see 7.3(f). 7. NOTES 7.1 Part or identification number (PIN). The following PIN procedure is for government purposes and does not constitute a requirement for the contractor. AA51137 - X X XX
36、 Example of reference part number: AA51137 - 1A12 Size (see tables I, II, III, IV and V) Style (see 2.2) Type 1 - type I - shank mounted 2 - type II - slot mounted CID number AA51137-1A12 identifies a tool holder that is shank mounted, reversible, and size 12. Provided by IHSNot for ResaleNo reprodu
37、ction or networking permitted without license from IHS-,-,-A-A-51137B 7 7.2 Sources of documents. 7.2.1 Federal specifications and standards. Copies of federal specifications and standards may be obtained from General Services Administration, Federal Supply Service, Specification Section, 470 East L
38、Enfant Plaza SW, Suite 8100, Washington, DC 20407. Electronic copies of federal Specifications and standards may be obtained from http:/assist.daps.dla.mil. 7.2.2 FAR. The FAR may be obtained from the Superintendent of Documents, P.O. Box 371954, Pittsburgh, PA 15250-7954. Electronic copies of FAR d
39、ocuments may be obtained from http:/www.arnet.gov/far/. 7.3 Ordering data. The acquisition order should specify the following: a. CID document number, revision, and CID PIN. b. Type (see 2.1). c. Style (see 2.2). d. Size (see tables I, II, III, IV, or V). e. Dimensions of boring bar, if different (s
40、ee 3.4.1 and 3.4.2). f. Preservation, packing, and marking (see 6.1). 7.4 Subject term (key word) listing. metalworking shank tool bits MILITARY INTERESTS: CIVIL AGENCY COORDINATING ACTIVITY: Custodians: Army - AR Air Force - 99 GSA - FSS Review Activity: Air Force - 84 Preparing Activity: DLA - GS6
41、 (Project 3460-2006-001) NOTE: The activities listed above were interested in this document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information above using the ASSIST database at http:/assist.daps.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
