DLA A-A-59556-2000 SAWS BAND CUTOFF VERTICAL TILT-FRAME TRAVELING [Superseded DLA MIL-S-24035 E CANC NOTICE 1 DLA MIL-S-24035 E DLA MIL-S-24035 D DLA MIL-S-24035 C (2) DLA MIL-S-24.pdf

1、A-A-59556 16June2000 SUPERSEDING 19 May 1988 MIL-S-24035E COMMERCIAL ITEM DESCRIPTION SAWS, BAND, CUTOFF, VERTICAL, TILT-FRAME, TRAVELING The General Services Administration has authorized the use of this commercial item description for all federal agencies. 1. SCOPE. This commercial item descriptio

2、n (CID) covers metal-cutting manual and automatic tilt-frame vertical band saws used for mitered cutoff and notching operations on solid metal bars, structural shapes, extrusions, castings, pipes, and tubes. 2. CLASSIFICATION. The band saws shall be of the following types and sizes. The type and siz

3、e shall be furnished as specified (see 7.2(b). The size classification refers to the maximum bar stock capacity the machine can accommodate. Type I - Manual stock indexing Type II - Automatic stock indexing Size 1 - 10 by 10 inches Size 2 - 14 by 21 inches Size 3 - 18 by 20 inches Size 4 - 20 by 20

4、inches Size 5 - 25 by 25 inches Size 6 - 25 by 28 inches 3. SALIENT CHARACTERISTICS 3.1 General requirements. The band saw shall be new and one of the manufacturers current models capable of operation in accordance with the requirements herein. All parts subject to wear, breakage, or distortion shal

5、l be accessible for adjustment, replacement, and repair. Mechanisms requiring periodic manual lubrication shall be readily accessible for servicing. Beneficial comments, recommendations, additions, deletions, clarifications, etc. and any data that may improve this document should be sent to: Defense

6、 Supply Center Richmond (DSCR), ATTN: DSCR-VBD, 8000 Jefferson Davis Highway, Richmond, VA 23297-5610. AMSC NIA FSC 3405 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,

7、-A-A-59556 3.2 Components. The band saw shall, as a minimum, have the following components: 3.2.1 Frame. The frame shall be constructed with the strength and rigidity to meet the performance requirements of section 3.3. The frame shall consist of the saw blade drive wheel, saw blade idler wheel, dri

8、ve motor, saw blade, and blade guides. The frame shall provide means for blade tensioning. The frame shall be capable of vertically tilting 45 degrees left and right for mitered cuts. A graduated degree scale shall be provided on both sides of the saw frame or a digital display showing the angle in

9、1 degree increments ranging from O to 45 degrees. A means shall be provided to securely lock the angle of cut. The frame base shall have a means to level and anchor the machine. Access doors or covers shall be provided for blade changes, adjustments, and servicing. When specified (see 7.2(c), the ti

10、lting operation shall be hydraulically powered. 3.2.2 Traveling frame. A powered traveling frame mechanism shall be provided that drives the entire saw frame into the workpiece. Means shall be provided to limit the distance of both forward and return motions of the saw frame. 3.2.3 Blade drive motor

11、. The blade drive motor shall be variable speed. 3.2.4 Automatic stock feed. Type II band saws shall have an automatic stock feeding device incorporated into the saw. The device shall allow the length and number of cuts to be preset. The machine cycle shall consist of the cut, saw frame retract, and

12、 stock index to the next position to begin the subsequent cut. The automatic stock feeding device shall consist of a powered feed and the manufacturers standard number of powered material vises (see section 3.2.5) for the machine specified. When specified (see 7.2(d), a discharge table shall be furn

13、ished with the automatic feeding device. 3.2.5 Material holding vise. The material holding vise(s) shall be constructed to securely hold workpieces while performing both vertical and mitered cuts. The material holding vise for the type I band saws shall be quick-acting and manually operated. Type II

14、 band saws shall have automatic hydraulic vises with adjustable clamping force. 3.2.6 Guidepost. An adjustable blade guidepost shall be provided and shall contain the upper blade guides. The guidepost shall be vertically adjustable to accommodate the maximum workpiece thickness required. The blade g

15、uides shall consist of carbide-faced roller bearings or zero clearance carbide faced guides with flow through coolant and shall be constructed with the strength and rigidity to meet the cutting requirements shown in table I. The blade guides shall provide the required 90 degrees twist in the saw bla

16、de. 3.2.7 Blade cleaner. A wiper, fixed brush, or powered wire brush for removing chips from the blade teeth shall be provided. When specified, a manual or automatic chip conveyor (see 7.2(e) and chip tray (see 7.2(f) shall be provided. 3.2.8 Saw blades. When specified (see 7.2 (g), saw blades of th

17、e specified material, quantity, size, tooth pitch and type shall be furnished with the band saw. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59556 3.2.9 Controls. All controls shall be convenient to the operator. The control system shall co

18、nsist of push buttons and selector switches for startstop, emergency stop, blade speed, cutting force, and blade tension. When specified (see 7.2(h), the type II band saw shall be provided with a numerical control (NC) or programmable logic controller (PLC). The automatic control shall allow the len

19、gth and number of cuts to be programmed from a control console. The capability to set cutting pressures and blade speeds at the control console shall also be provided. If the machine is provided with NC or PLC control, programming functions and operational data entry shall be provided through a manu

20、al data input (MDI) system with an alphanumeric feedback display. The control system shall have the capability to store multiple cutting programs that can be individually retrieved. 3.2.10 Coolant system. A coolant system consisting of a sump, power driven pump, and coolant nozzle(s) shall be provid

21、ed. Means shall be provided to determine and maintain coolant level within the sump. A removable strainer shall be provided to remove metal chips from the coolant. 3.2.1 1 Hydraulic system. When furnished, the hydraulic system shall be provided with a fluid level indicator and overpressure protectio

22、n. 3.2.12 Electrical system. The band saw electrical system shall conform to National Fire Protection Association (NFFA) 79, “Electrical Standard for Industrial Machinery“ (DoD adopted). Unless otherwise specified (see 7.2(i), the machine shall have dual 230/460-volt, 3-phase, 60- hertz circuit capa

23、bility and shall be wired for the voltage specified (see 7.2j). The control system power shall be provided by a separate 120-volt, single-phase, 60-hertz circuit from the machine main power supply. 3.2.13 Electrical motors. When furnished, the band saw electric drive motor(s) shall have sealed and p

24、ermanently lubricated ball or roller bearings, shall be energy efficient, and shall conform to the National Electrical Manufacturers Association (NEMA) MG- 1, “Motors and Generators“ (DoD adopted). Unless otherwise specified (see 7.2(k), the motor(s) shall have dripproof enclosures. 3.2.14 Optional

25、equipment. Optional equipment shall be furnished as specified (see 7.2(1). 3.3 Performance. Unless otherwise specified (see 7.2(m), the band saw shall be capable of producing cuts in Society of Automotive Engineering (SAE) 1010 steel that comply with the requirements shown in table I when tested in

26、accordance with sections 5.3.1 through 5.3.3 herein. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59556 Size TABLE I. Performance requirements. Maximum angular error at 45 degrees dea-ee) Minimum cutting rate (square inches per minute) Perpe

27、ndicularity of cut (inch per inch of diameter) 1 2 3 4 11 k0.002 k0.5 11 k0.002 k0.5 11 k0.002 k0.5 16 k0.002 k0.5 151 16 I k0.003 I k0.5 I 161 16 I k0.003 I k0.5 I 3.4 Machine dimensions and weight. If required, the maximum machine dimensions (length, width, and height) and machine weight shall not

28、 exceed the restrictions specified (see 7.2(n). 3.5 Safety and health requirements. The band saw shall be designed and manufactured in accordance with ANSI B 1 1.10, “Metal Sawing Machines - Safety Requirements for Construction, Care and Use“ (DoD adopted). The manufacturer shall ensure the machine

29、and all equipment and accessories used on the machine shall comply with Occupational Safety and Health Administrations (OSHA) Title 29 of the Code of Federal Regulations (CFR), Part 1910, “Occupational Safety and Health Standards“. If a conflict arises between the OSHA and ANSI standards, the OSHA s

30、tandards shall apply. 3.6 System of units. The US Customary System of Units (US) or the International System of Units (SI) shall be used to graduate measuring and indicating devices. When only one system of graduation is acceptable, the particular graduation required shall be as specified (see 7.2(0

31、). Regardless of the measurement system used, all measuring and indicating devices on the machine shall be graduated in the same system. When specified (see 7.2(p), measuring and indicating devices shall be graduated in both the US and SI systems of measurement. 3.7 Nameplate. A nameplate shall be s

32、ecurely attached to the machine. Unless otherwise specified (see 7.2(q), the nameplate shall contain the following information: a. b. d. e. f. g. h. C. Nomenclature Manufacturers name Machine model designation Power input (volts, total amperes, phase, frequency) Short-circuitover-current rating Cont

33、ract number or order number National stock number Date of manufacture 3.8 Lubrication plate or chart. When specified (see 7.2(r), a lubrication plate or chart shall be attached to the machine. The information provided on the plate or chart shall include: a. Points of lubricant application b. Servici

34、ng interval c. Type of lubricant(s) with SAE number or lubricant identifier 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59556 4. REGULATORY REQUIREMENTS 4.1 Recovered materials. The offerorkontractor is encouraged to use recovered materials

35、 to the maximum extent practicable, in accordance with paragraph 23.403 of the Federal Acquisition Regulation (FAR). 4.2 Environmental protection. The band saw shall meet all applicable Environmental Protection Agency restrictions in effect on the date of the contract. These regulations apply to the

36、 emission of materials hazardous to the environment or the users health and shall be adhered to during the manufacturing, service, transportation, storage, and operationuse of the item. 5. PRODUCT CONFORMANCE PROVISIONS 5.1 Product conformance. The products provided shall meet the salient characteri

37、stics of this commercial item description, conform to the producers own drawings, specifications, standards, and quality assurance practices, and be the same product offered for sale in the commercial marketplace. The government reserves the right to require proof of such conformance. 5.2 Inspection

38、. The band saw shall be inspected for compliance with all requirements specified in this CID. 5.3 Testing. Unless otherwise specified (see 7.2(s), the band saw shall be tested in accordance with sections 5.3.1 through 5.3.3. 5.3.1 Test conditions. The band saw shall be tested under the normal enviro

39、nmental conditions of the manufacturers facility. 5.3.2 Operational test. The band saw shall be operated in accordance with the manufacturers standard operating procedures. The machine shall be operated at no load for not less than 30 minutes. Proper operation of all controls and features shall be v

40、erified during the trial period. For the tests described herein, the choice of saw blade, coolant, blade speed and force shall be the option of the supplier. 5.3.3 Performance tests. The band saw shall undergo a straight cut test. The test workpiece for machine sizes 1 through 3 shall have a diamete

41、r of 6 inches. The test workpiece for machine sizes 4 through 6 shall have a diameter of 10 inches. Cuts shall be made in both the vertical and 45 degrees tilted positions. The test results shall be compared to the performance requirements shown in table I. 5.4 Acceptance. Unless otherwise specified

42、 (see 7.2(t), preliminary and final acceptance testing shall be conducted at the manufacturers site. The results of the performance tests will be compared to the performance requirements shown in table I. Failure of the machine to meet the requirements shown in table I for the performance category s

43、elected shall be cause for rejection. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-59556 6. PACKAGING 6.1 Preservation, packing, and marking. For acquisition purposes, the band saw shall be preserved, packed, and marked as specified in the a

44、cquisition order (see 7.2(u). 7. NOTES 7.1 Sources of documents. 7.1.1 Government documents. Copies of CFR and FAR may be obtained from the U.S. Government Printing Office, Superintendent of Documents, Mail Stop: SSOP, Washington, DC 20402-9328. Electronic copies of CFR documents may be obtained fro

45、m http:/www.access.gpo.gov. 7.1.2 ANSI standards. Copies of ANSI standards may be obtained from the American National Standards Institute, 11 West 42nd Street, New York, NY 10036. 7.1.3 NEMA standards. Copies of NEMA standards may be obtained from the National Electrical Manufacturers Association, 1

46、300 North 17th Street, Suite 1847, Rosslyn, VA 22209. 7.1.4 NFPA standards. Copies of NFPA standards may be obtained from the National Fire Protection Association, 1 Batterymarch Park, Quincy, MA 02269-9101. 7.2 Ordering data. Acquisition documents must specify the following information: a. CID docu

47、ment number, revision, and CID PIN b. Type and size of vertical band saw required (see 2) c. Hydraulically powered frame tilt, if required (see 3.2.1) d. Discharge table, if required (see 3.2.4) e. Chip conveyor, specify manual or powered, if required (see 3.2.7) f. Chip tray, if required (see 3.2.7

48、) g. Saw blade material, quantity, size, tooth pitch and type, if required (see 3.2.8) h. Numerical/programmable control system, if required (see 3.2.9) i. Electrical requirements, if different (see 3.2.12) j. Voltage, as specified (see 3.2.12) k. Motor enclosure, if different (see 3.2.13) 1. Option

49、al equipment, if required (see 3.2.14) m. Performance requirements, if different (see 3.3) n. Machine dimensions (length, width, and height) and weight, if different (see 3.4) o. Specific measurement system, if required (see 3.6) p. Dual graduation of indicating devices, if required (see 3.6) q. Nameplate, if different (see 3.7) r. Lubrication plate, if required (see 3.8) s. Test requirements, if different (see 5.3) t. Acceptance criteria, if different (se