欢迎来到麦多课文档分享! | 帮助中心 海量文档,免费浏览,给你所需,享你所想!
麦多课文档分享
全部分类
  • 标准规范>
  • 教学课件>
  • 考试资料>
  • 办公文档>
  • 学术论文>
  • 行业资料>
  • 易语言源码>
  • ImageVerifierCode 换一换
    首页 麦多课文档分享 > 资源分类 > PDF文档下载
    分享到微信 分享到微博 分享到QQ空间

    A-A-59344-1999 CUTOFF MACHINE ABRASIVE DISK CHOP-STROKE [Superseded DLA MIL-C-80021 B CANC NOTICE 1 DLA MIL-C-80021 B (1) DLA MIL-C-80021 B DLA MIL-C-80021 A (1) DLA MIL-C-80021 A .pdf

    • 资源ID:400447       资源大小:491.93KB        全文页数:9页
    • 资源格式: PDF        下载积分:5000积分
    快捷下载 游客一键下载
    账号登录下载
    微信登录下载
    二维码
    微信扫一扫登录
    下载资源需要5000积分(如需开发票,请勿充值!)
    邮箱/手机:
    温馨提示:
    如需开发票,请勿充值!快捷下载时,用户名和密码都是您填写的邮箱或者手机号,方便查询和重复下载(系统自动生成)。
    如需开发票,请勿充值!如填写123,账号就是123,密码也是123。
    支付方式: 支付宝扫码支付    微信扫码支付   
    验证码:   换一换

    加入VIP,交流精品资源
     
    账号:
    密码:
    验证码:   换一换
      忘记密码?
        
    友情提示
    2、PDF文件下载后,可能会被浏览器默认打开,此种情况可以点击浏览器菜单,保存网页到桌面,就可以正常下载了。
    3、本站不支持迅雷下载,请使用电脑自带的IE浏览器,或者360浏览器、谷歌浏览器下载即可。
    4、本站资源下载后的文档和图纸-无水印,预览文档经过压缩,下载后原文更清晰。
    5、试题试卷类文档,如果标题没有明确说明有答案则都视为没有答案,请知晓。

    A-A-59344-1999 CUTOFF MACHINE ABRASIVE DISK CHOP-STROKE [Superseded DLA MIL-C-80021 B CANC NOTICE 1 DLA MIL-C-80021 B (1) DLA MIL-C-80021 B DLA MIL-C-80021 A (1) DLA MIL-C-80021 A .pdf

    1、INCH-POUND A- A- 5 9344 28 September 1999 SUPERSEDING 10 December 1984 7 January 1985 MIL-C-8002 1 B MIL-C-8007 1 B COMMERCIAL ITEM DESCRIPTION CUTOFF MACHINE, ABRASIVE DISK, CHOP-STROKE The General Services Administration has authorized the use of this commercial item description as a replacement f

    2、or MIL-C-8002 1 B and MIL-C-80071B for all federal agencies. 1. SCOPE. This commercial item description (CID) covers chop-stroke, abrasive disk cutoff machines intended for use in cutting materials such as hardened or annealed ferrous metals, nonferrous metals, plastics, ceramics, and refractory mat

    3、erials in the form of solid bars, tubing, structural sections, and extrusions. The machine is not intended to cut wood or wood products. A circular saw blade way be specified for use in cutting nonferrous materials other than wood or wood products. 2. CLASSIFICATION. The cutoff machines shall be of

    4、the following types, classes, styles, and sizes. The type, class, style, and size to be furnished shall be as specified (see 7.2(b). Table I shows cutoff machine sizes and availability. Type I - Drycut Type II - Wet cut Class 1 - Manual-operated wheelhead Class 2 - Power-operated wheelhead Style A -

    5、 Floor mounted Style B - Bench mounted Size - Sizes are shown in table I Beneficial comments, recommendations, additions, deletions, clarifications, etc. and any other data which may improve this document should be sent to: Defense Supply Center Richmond (DSCR), ATTN: DSCR-VBD, 8000 Jefferson Davis

    6、Highway, Richmond, VA 23297-56 1 O. 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-,-,-A-A-59344 TABLE I. Cutoff machine sizes. 3. SALIENT CHARACTERISTIC

    7、S 3.1 General reauirements. The machine shall be new and one of the manufacturers current models capable of operation in accordance with the requirements herein. The design and construction of the machine shall include all components, parts, and features necessary to meet the performance requirement

    8、s specified herein. All parts subject to wear, breakage, or distortion shall be accessible for adjustment, replacement, and repair. 3.2 Comuonents. The cutoff machine shall include, as a minimum, the following components: 3.2.1 M. The base of the cutoff machine shall support the workpiece holder and

    9、 wheelhead and incorporate materials, shape, and mass to minimize adverse vibration and deflection. The base of the style A machine shall provide a means for anchoring the machine to the floor. The base of the style B mache shall provide a means for anchoring the machine to a bench or stand. 3.2.2 W

    10、orkDiece holder. Unless otherwise specified (see 7.2(c), the cutoff machine shall have a fixed workpiece holder. The workpiece holder shall be a vise, fence, V-block, or L-block as specified (see 7.2(d). The workpiece holder for a style A cutoff machine shall be operated by hand, foot, or accessory

    11、control as specified (see 7.2(e). The workpiece holder for a style B cutoff machine shall be hand controlled. If an adjustable workpiece holder is provided, it shall be capable of swiveling through one of the following horizontal arcs as specified (see7.2(f): a. Left 45 degrees. b. Right 45 degrees.

    12、 c. Right 45 degrees and left 45 degrees. 3.2.3 Wheelhead. The wheelhead shall consist of a wheelhead arm, spindle, spindle drive system, wheel guards, and spindle drive motor for the abrasive disk or saw blade. A means shall be provided to prevent the flanges holding the abrasive disk from contacti

    13、ng the workpiece during a cutting cycle. Unless otherwise specified (see 7.2(g), the cutoff machine shall have a 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-901i8054 0005520 527 A- A- 5 9344 nonswivelhg wheelhead. A counterbalance system shall

    14、be provided on a class 1 machine to return the wheelhead to the normal up position upon release of manual down force. A power- driven mechanism shall be provided on a class 2 machine to move the wheelhead through a complete cutting cycle. The power-driven mechanism shail be actuated by hand, foot, o

    15、r accessory control as specified (see 7.2(h). If a swiveling wheelhead is provided, it shall be capable of swiveling through one of the following horizontal arcs as specified (see 7.2(i): a. Left 45 degrees. b. Right 45 degrees. c. Right 45 degrees and left 45 degrees. 3.2.3.1 Wheelhead arm. The whe

    16、elhead arm pivot bearings shall be constructed to maintain bearing lubrication and prevent the entrance of coolant, cuttings, abrasive dust, or other materials. 3.2.3.2 Spindle drive system. Unless otherwise specified (see 7.2(j), the spindle motor horsepower shall be as listed in table I. The spind

    17、le drive system shall transfer full power of the motor to the spindle without slippage. If a belt system is used, the system shall have a means for adjusting and maintaining proper tension of the drive belts. 3.2.3.3 Wheel guards. Wheel guards for the abrasive disk shall not interfere with the opera

    18、tion of the machine and shall be removable to facilitate cleaning and servicing the machine. 3.2.3.4 Abrasive disk. Unless otherwise specified (see 7.2(k), the abrasive disk provided shall be that considered by the manufacturer as standard. 3.2.3.5 Saw blade. If required, a circular saw blade shall

    19、be provided as specified (see 7.2(1). 3.2.3.6 Flanges. Unless otherwise specified (see 7.2(m), flanges considered by the manufacturer as standard shall be provided to attach the abrasive disk and circular saw blade to the spindle. 3.2.4 Oscillating (reciprocating) mechanism. When specified (see 7.2(

    20、n), a mechanism shall be provided to oscillate (reciprocate) the spindle and abrasive disk in a direction parallel to the kerf in the workpiece. 3.2.5 Controls. All controls shall be located convenient to the operator. 3.2.6 Coolant system. The type II cutoff machine shall have a recirculating coola

    21、nt system consisting of a sump or reservoir; a power-driven pump; a means for collecting spent coolant; and all piping, channeling, or ducting necessary to direct the coolant to the abrasive disk and workpiece and return it to the sump or reservoir. The reservoir capacity and pump flow shall be adeq

    22、uate to dissipate heat generated by the cutting process while cutting at the maximum cutting rate. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A- A- 5 9344 Type I Type II Size l4 llsizes Test Size 12 and under and over , 3.2.7 Hydraulic system.

    23、 When provided? the hydraulic system shall be sufficient for maximum loads and shall be complete including all pumps, piping, cylinders, and pressure controls. Overpressure protection shall be provided to prevent damage to components. The hydraulic reservoir shall have a means to determine the fluid

    24、 level. 10.005 70 Accuracy of 90-degree cut, inch per inch of diameter Surface fuiish, maximum average rouphness- microinches 3.2.8 Pneumatic svstem. When provided, the pneumatic system shall be capable of operating on a 90- to 1 1 O-pounds-per-square-inch shop air-supply system. The pneumatic syste

    25、m shall consist of an air filter, pressure regulator, necessary gauges, operating valves, operating cylinders, relief valves, piping, hoses, and fittings. 3.2.9 Electrical system. The electrical system shall conform to the American National Standards InstituteNational Fire Protection Association (AN

    26、SINFPA) 79, “Machinery, Industrial, Electrical Standard For“. The machine shall be wired for a single 230-volt, 3-phace, 60-hertz circuit or a single 460-volt, 3-phase, 60-hertz circuit as specified (see 7.2(0). If required, termination of wiring for connection to the power source shall be as specif

    27、ied (see 7.2(p). , 4.005 IO.010 70 40 3.2.10 Electric motors. The drive motor(s) shall have sealed and permanently lubricated ball or roller bearings, shall be energy efficient, and shall conform to the National Electrical Manufacturers Association (NEMA) MG- 1, “Motors and Generators“. Unless other

    28、wise specified (see 7.2(q), the spindle drive motor shal correspond to a minimum 30-minute duty cycle rating at the horsepower shown in table I. All nonspindle drive motors shall correspond to a minimum 30-minute duty cycle rating and shall be sized and rated not to limit the operation of the machin

    29、e. Unless otherwise specified (see 7.2(r), all motors shall be totally enclosed fan- cooled (TEFC). 3.2.1 I Optional accessories. Optional accessories shall be provided as specified (see 7.2(s). 3.3 Performance. Unless otherwise specified (see 7.2(t), the cutoff machine shall meet the performance re

    30、quirements and capacities shown in tables II and III, respectively, when tested in accordance with sections 5.3 through 5.4. TABLE II. Performance reauirements. 15. I 2 I I lo I Minimum cutting rate, square I inches Der minute 4 Provided by IHSNot for ResaleNo reproduction or networking permitted wi

    31、thout license from IHS-,-,-A-A-5 9344 Size TABLE III. Cutoff machine cauacities. Capacity inche s inches Ferrous round bar, Ferrous round tube, 24 26 30 1.75 14 16 2 3 6 6 8 8 5 6. 3.4 Machine dimensions and weight. If required, the maximum machine dimensions (length, width, and height) and machine

    32、weight shall not exceed the restrictions specified (see 7.2(u). 3.5 Safety and health requirements. The machine shall be designed and manufactured in accordance with ANSI B11.9, “Machines, Grinding, Safety Requirements for the Construction, Care and Use Of“. When a circular saw blade is provided, th

    33、e cutoff machine shall also be designed and manufactured in accordance with ANSI B 1 1.10, “Sawing Machines, Metal, Safety Requirements for the Construction, Care and Use Of“. The manufacturer shall ensure that the machine and all equipment and accessories used on the machine shall be in compliance

    34、with Occupational Safety and Health Administration (OSHA) 29 CFR PART 19 1 O, “Occupational Safety and Health Standards for General Industry“. If a conflict arises between the ANSI and OSHA standards, the OSHA standards shall apply. 3.6 System of units. The U.S. Customary System of Units (US) or the

    35、 International System of Units (SI) shall be used to graduate mesuring and indicating devices. When only one system of graduation is acceptable, the particular graduation required shali be as specified (see 7.2(v). Regardless of the measurement system used, all measuring and indicating devices on th

    36、e machine shall be graduated in the same system. When specified (see 7.2(w), measuring and indicating devices shall be graduated in both the US and SI system of measurements. 3.7 Lubrication plate or chart. When specified (see 7.2(x), a lubrication plate or chart shall be attached to the machine. Th

    37、e information provided on the plate or chart shall include: a. Points of lubricant application b. Servicing interval c. Type of lubricant(s) with SAE number or lubricant identifier 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-111 70LB054 0005523

    38、 236 iIsl A-A-59344 3.8 Nameplate. A nameplate shall be securely attached to the machine. Unless otherwise specified (see 7.2(y), the nameplate shall contain the following information: a. b. d. e. f. g- h. C. 1. Nomenclature Manufacturers name Serial number Machine model designation Power input (vol

    39、ts, total amperes, phase, fiequency) Short-circuit/over-current rat hg Contract number or order number National stock number Date of manufacture 4. REGULATORY REQUIREMENTS 4.1 Recovered materials. The offeror/contractor is encouraged to use recovered materials to the maximum extent practicable, in a

    40、ccordance with paragraph 23.403 of the Federal Acquisition Regulation (FAR). 4.2 Environmental protection. The item shall meet all applicable Environmental Protection Agency (EPA) restrictions in effect on the date of the contract. These regulations apply to the emission of materials hazardous to th

    41、e environment or the users health and shall be adhered to during the manufacturing, service, transportation, storage, and operatioduse of the item. 5. QUALITY ASSURANCE PROVISIONS 5.1 Product conformance. The products shall meet the salient characteristics of this commercial item description; confor

    42、m to the manufacturers own drawings, specifications, standards, and quality assurance practices; and be the same product.offered for sale in the commercial market. The Government reserves the right to require proof of such conformance. 5.2 InsDection. The cutoff machine shall be inspected to determi

    43、ne compliance with ail requirements specified in this CID. 5.3 Testing. Unless otherwise specified (see 7.2(z), the cutoff machine shall be tested in accordance with sections 5.3.1 through 5.3.7. 5.3.1 Test setuD and conditions. Unless otherwise specified (see 7.2(aa), the manufacturer shall be resp

    44、onsible for supplying all tooling and material(s) and shall conduct ail tests required by the Government. The manufacturer shall provide fest instruments and equipment with calibration traceable to National Institute of Standards and Technology (NIST) and shall provide certification of calibration a

    45、s specified (see 7.2(bb). 5.3.2 Operational test. The cutoff machine shall be operated in accordance with the manufacturers standard operating procedures. The cutoff machine shall be operated for not less 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS

    46、-,-,-than 30 minutes. Proper operation of all controls and features shall be verified during the trial period. 5.3.3 Performance tests. The performance tests shall be preformed with an SAE 1020 solid round steel bar having a nominal diameter equal to the maximum rated capacity shown in table III for

    47、 the size of the machine. 5.3.4 Cutting rate test. All cuts shall be at a 90-degree angle. The cutoff machine shall cut four pieces not less than 1 inch thick from the workpiece. There shall be no evidence of damage (wear excepted) to the abrasive disk. The actual cutting time shall be recorded and

    48、the average cutting rate calculated. The cutting rate shall meet the requirements shown in table II. 5.3.5 Accuracy test. The last piece cut in the cutting rate test (see 5.3.4) shall be at least 4 inches long. The squareness and the surface finish of the cut faces shall meet the performance require

    49、ments shown in table II. 5.3.6 Angular cuts. Machines with a swivel workpiece holder shall set the holder at the maximum angle and one piece shall be cut. The cut face shall be within +1/2 degree of the desired angle. Machines provided with a swivel wheelhead shall set the wheeihead at the maximum angle and one piece shall be cut. The cut face shall be within +1/2 degree of the desired angle. 5.3.7 Outional tests. Optional tests sha


    注意事项

    本文(A-A-59344-1999 CUTOFF MACHINE ABRASIVE DISK CHOP-STROKE [Superseded DLA MIL-C-80021 B CANC NOTICE 1 DLA MIL-C-80021 B (1) DLA MIL-C-80021 B DLA MIL-C-80021 A (1) DLA MIL-C-80021 A .pdf)为本站会员(花仙子)主动上传,麦多课文档分享仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文档分享(点击联系客服),我们立即给予删除!




    关于我们 - 网站声明 - 网站地图 - 资源地图 - 友情链接 - 网站客服 - 联系我们

    copyright@ 2008-2019 麦多课文库(www.mydoc123.com)网站版权所有
    备案/许可证编号:苏ICP备17064731号-1 

    收起
    展开