DLA A-A-55137-1993 SAW JIG WOODWORKING《木工窄锯条机锯》.pdf

1、” 8 A-A-55137 9999974 0345095 BLT I INCH-POUND 1 A-A-55 137 - MIL-S-80034C SUPERSEDING 25 January 1985 SAW, JIG, WOODWORKING The General Services Administration has authorized the use of this commercial item description in preference to MIL-S-80034C. 1. ABSTRACT 1.1 Abstr;icct. This commercial item

2、description (CID) covers jig saws suitable for straight and curved sawing of wood, plastic, sheet metal, and other similar materials. The jig saw shall be new (not a prototype) and one of the manufacturers current production models capable of operating in accordance with the requirements specified h

3、erein. 1.2 Classification . This commercial item description covers jig saws of the following sizes. The size to be furnished shall be as - specified (see 7.1). O Size: 24-inch throat Size: 36-inch throat 2. SALIENT CHARACTERISTICS 2.1 Pr;imcl. The frame shall be of such mass and rigidity to support

4、 the reciprocating saw blade, blade drive device, and the workpiece support table with hand-fed workpiece. 2.1.1 Base. The 24-inch saw shall be provided with floor or bench mounting as specified (see 7.1). The 36-inch saw shall have a base integral with the frame for floor mounting. Beneficial comme

5、nts, recommendations, deletions, clarifications, etc., and any data which may be of use in improving this document should be addressed to: Defense General Supply Center (qGSC), ATTN: DGSC-SSM, Richmond, VA 23297-5647. AMSC N/A FSC 3220 IJTTnN SJXUDENT 9. Approved for public release; distribution is

6、unlimited. O Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-55137 9999974 0345096 756 A-A- 5 5 13 7 2.1.2 w. The table workpiece support surface shall be finished and flat to withink 0.005 inch per foot. When specified (see 7.1), the table shall

7、 be drilled for mounting optional jigs, guides, or other fixtures. The table shall be provided with tilting characteristics as required by table I. Means shall be incorporated to securely retain the table in any adjusted position. A dial or scale shall be provided to indicate the degree of adjusted

8、table positions within an accuracy of Lone degree. 2.1.3 Blade drive mechanism . The 24-inch saw shall have a blade drive mechanism that provides either an infinite or four step blade speed which conforms to the blade speed range specified in table I. The 36-inch saw shall be provided with a single

9、blade speed of not less than 1200 strokes per minute (see table I). The 36-inch saw blade drive mechanism shall be provided with a brake system which stops the drive mechanism within 10 seconds. The blade stroke lengths shall conform to the requirements of table I. -The blade mechanism shall be prov

10、ided with either a blade chuck or vise to securely retain the lower end of the saw blade to the blade drive mechanism. upper blade control assembly to maintain blade tension and shall allow reciprocal strokes and blade speeds compatible to the blade drive mechanism. The blade drive mechanism shall b

11、e provided with a blade guide system. maintaining alignment and back support to the blade. shall be of the self-centering type, adjustable, and shall be composed of carbide or of a material having equal wear qualities. The blade drive mechanism shall be provided with an The blade guide system shall

12、be capable of The guides 2.1.4 WnrkDiece hold - down cw . The saw shall be provided with a workpiece hold-down clamping system which shall be capable of preventing the workpiece from rising on the upstroke of the blade. The workpiece hold-down clamping system shall be adjustable within the workpiece

13、 thickness range specified in table I. 2.1.5 . The saw shall be provided with an air pump system to supply air flow directly to the worktable area. and pressure shall be capable of removing sawdust from the sawing line. The air quantity 2 Provided by IHSNot for ResaleNo reproduction or networking pe

14、rmitted without license from IHS-,-,-A-A-55137 W 9999974 0145077 692 = A-A-5 5 1 3 7 2.1.6 Performance. The saw shall be capable of sawing hardwood of a thickness equal to the workpiece thickness specified in table I. The saw shall be capable of sawing a straight line and a circular pattern with a d

15、eviation not greater than L 1/32 inch on the cut surface. The saw shall be capable of sawing inside corners and making vertical and angular cuts with a deviation not greater than Lone angular degree of the table surface and table-tilt adjustment. Table I. Size and capacities Characteristics Throat,

16、inches Table dimensions, inches Workpiece thickness, inches Blade length, inches Blade stroke, inches Blade stroke per minute Blade step-speed (4) Motor, horsepower (Hp) Speed, RPM Table tilt, degree Right Left Table height, inches (floor to workpiece support surface) Size 24 14 X 14 1-3/4 5 1 825-1

17、600 600, 900, 1250 1700 1/3 1725 45 12 40 AL 3 Size 36 34 x 34 2 10 2-1/2 1200 1 1200 30 30 40 i 3 NOTE: Machine sizes and capacities shall be not less than the stated requirements of the size ordered or not greater than the requirements of the next largest size shown in this table. When a saw of th

18、e largest size and capacity is ordered, the size and capacity of the jig saw offered shall not exceed the stated requirements by more than 10 percent. 2.2 Flew system . Unless otherwise specified (see 7.1), the electrical system shall conform to NFPA 79. Each saw shall draw all of its electrical pow

19、er from a single 230/460 volt, 3 phase, 60 Hertz (Hz), and dual 230/460-voltage circuit. Conversion from one voltage to the other shall be accomplished by reconnecting the existing components. The saw shall be initially wired as specified (see 7.1). 2.2.1 Motors. Motors shall be rated for continuous

20、 duty and shall have ball or roller bearings of the sealed and permanently lubricating type. Unless otherwise specified (see ?.l), each motor shall meet the requirements for drip-proof enclosure. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-

21、55137 9999974 OL45098 529 A-A-55 137 3. GENERAL REQUIREMENTS 3.1 Metric products . Products manufactured to metric dimensions will be considered on an equal basis with thoee manufactured using inch-pound units, provided they fall within the specified tolerances using conversion tables contained in t

22、he lateet revision of ASTM E 380 and ANSI IEE 268M/Metric Practice, and all other requirements of this commercial item description are met. If a product is manufactured to metric dimensions and those dimensions exceed the tolerances specified in the inch-pound units, a request shall be made to the c

23、ontracting officer to determine if the product is acceptable. The contracting officer has the option of accepting or rejecting the product. 3.2 Safety andth reqiiirements . All parts, components, mechanisms, and assemblies furnished on the jig saw, whether or not specifically required herein, shall

24、conform to all requirements of OSHA 29 CFR 1910. Additional safety and health requirements shall be as specified (see 7.1). 3.3 be level . Unless otherwise specified (see 7.1), noise emitted by the jig saw when operating under a no-load condition shall not exceed 84 decibels (db) when measured on th

25、e “A“ scale of a type I or type II sound level meter at slow response. 3.4 Fnvi- PrQkectioD . During the manufacture of the jig saw, materials prohibited by Federal, state, or local statues in effect on the date of the contract shall not be used. O 3.5 -enbu . All parts having the same manufacturers

26、 part number shall be functionally and dimensionally interchangeable. All parts shall be manufactured according to standards that shall permit replacement or adjustment without modification of the jig saw or its parts. 3.6 Threads. All threaded parts of the saw, including related attachments and acc

27、essories, shall conform to FED-STD-H28 and the applicable “Detailed Standard“ section referenced therein. 3.7 Ice ktructi- . Operating and maintenance instructions shall be provided with each jig saw furnished. The instructions shall be written in English and shall include directions and information

28、 necessary for safe operation and maintenance of the jig. A list of replacement parts with part numbers shall also be included. 3.8 Markinq on char- . All words on the saw including all instruments, charts, plates, and related attachments shall be in the English language. Characters shall be bold-fa

29、ced and on a contrasting background. All plates shall be corrosion-resistant. O 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-55137 9999974 0345099 465 D A-A- 5 5 13 7 3.8.1 nataDlate. All standard data plates normally provided with the manuf

30、acturers standard commercial saw shall be furnished. Any additional data plates shall be as specified and fully described by the procuring activity (see 7.1). 3.9 Reference. Unless otherwise specified (see 7.1), the documents referenced herein shall be the issues in effect on the date of issuance of

31、 the invitation for bid (IFB) or request for proposal (RFP). These documents form a part of this commercial item description to the extent specified. In the event of a conflict between this document and a document referenced herein, this document takes precedence. 4. REGULATORY REQUIREMENTS 4.1 . Th

32、e offeror/contractor is encouraged to use recovered materials in accordance with Public Law 94-580 to the maximum extent practicable. 5. QUALITY ASSURANCE PROVISIONS . The contractor shall certify and 5.1 Contracter cert.ifi* maintain substantiating evidence that the product offered meets the salien

33、t characteristics of this commercial item description and that the product conforms to the producer s own drawings, specifications, standards, and quality assurance practices. The Government reserves the right to require proof of such conformance prior to the first delivery, and thereafter, as may b

34、e otherwise provided for under the provisions of the contract. the contract or purchase order, the contractor is responsible for the performance of all inspection, examination, and test requirements specified herein. Except as otherwise specified in the contract or purchase order, the contractor may

35、 use his own or any other facilities suitable for the performance of the inspection requirements specified herein unless disapproved by the Government. The Government reserves the right to perform any of the inspections, examinations, and tests set forth in this commercial item description where suc

36、h inspections, examinations, and tests are deemed necessary to assure supplies and services conform to the prescribed requirements. e. . Unless otherwise specified in e 5.2 * 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-55137 7777774 0145100

37、 TO7 M A-A-55 137 . 5.3 i All items shall meet the requirements specified herein. The inspections set forth in this commercial item description shall become a part of the contractors overall inspection system or quality assurance program. The absence of any inspection requirements shall not relieve

38、the contractor of ensuring that all products or supplies submitted to the Government for acceptance comply with all requirements of the contract. Sampling inspection, as part of manufacturing operations, is an acceptable practice to conformance to the requirements; however, this does not authorize s

39、ubmission of known defective material or supplies, either indicated or actual, nor does it commit the Government to accept defective materials. 5.4 ins- . Sampling inspection shall be performed in accordance with the requirements of MIL-STD-105. at a level with an AQL of 4.0. Sampling shall be 5.4.1

40、 Examination . Each jig saw submitted for sampling inspection shall be visually examined to determine conformance with all requirements of this commercial item description. 5.5 -. 5.5.1 . Each jig saw shall be operated at no-load for not lees than 15 minutes. Proper operation of all controls, motors

41、, adjusting mechanisms, and accessories shall be verified during the trial period. 5.5.2 Performance. The saw shall be tested for conformance with 2.1.6 by sawing patterns from kiln-dried hardwood pieces using a standard blade, 1/4 inch wide with seven (7) teeth per inch. For patterns (a) and (b), t

42、he worktable shall be set and locked at the horizontal or “O“ degree tilt. The top of the table or bottom of the workpiece shall be not less than 12 inches wide and 30 inches long and shall be of the thickness of the workpiece specified in table I. The workpiece shall be marked in two patterns: a. A

43、 circular pattern, four inches in diameter, with the center 2-1/2 inches from the edge and six inches from one end. b. A square pattern, four inches square, with the center two inches from the same edge and six inches from one end. 5.5.3 Circular test . The workpiece shall be sawed on a circular pat

44、tern (see 5.5.2), with deviations of not more than=L1/3 inch out-of-round and not more than Lone angular degree out-of-square. 5.5.4 -s tu. The workpiece shall be sawed on a square pattern (see 5.5.2), with deviations of not more than Lone (1) angular degree out-of-square on any cut. O 6 Provided by

45、 IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-55137 9999974 OL45LOL 943 A-A- 5 5 13 7 5.5.5 Wie tilt t-t . The table shall be tested for tilt as specified in table I. 5.5.6 Bladen tefit. . The blade motion shall be tested for length of stroke and frequenc

46、y as specified in table I. 5.5.7 Brake. The brake on the 36-inch saw shall be tested for an effective stopping time of 10 seconds or less. . The contractor shall 5.5.8 -0t- certify and maintain substantiating evidence that the product offered complies with all environmental protection restrictions a

47、s required herein. of such conformance prior to first delivery, and thereafter, as may be otherwise provided under the provisions of the contract. The Government reserves the right to require proof 6. PRESERVATION, PACKAGING, PACKING, MARKING, AND LABELING 6.1 Precervation, rackaairlL;I pp. Preserva

48、tion, packaging, packing, marking, and labeling shall be in accordance with the requirements of ASTM D 3951 unless otherwise specified in the contract or order. 7. NOTES 7.1 . Purchasers should select the preferred options permitted herein and include the following information on procurement documen

49、ts. a. Title, number, and date of this commercial item description. b. Size and quantity. c. Separate base design, if required (see 2.1.1). d. Optional jig guides and/or other fixtures, if different (see 2.1.2). e. Electrical system, if different (see 2.2). f. Initially wired system, if different (see 2.2). g. Motors, if different (see 2.2.1) h. Additional safety and health standards, if required (see 3.2). i. Noise level, if different (see 3.3) j. Sampling ins