1、January 2013 Translation by DIN-Sprachendienst.English price group 14No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).IC
2、S 17.140.20; 25.080.01!$U“1935029www.din.deDDIN ISO 8525Airborne noise emitted by machine tools Operating conditions for metal-cutting machines (ISO 8525:2008),English translation of DIN ISO 8525:2013-01Luftschallemissionen von Werkzeugmaschinen Betriebsbedingungen fr spanende Maschinen (ISO 8525:20
3、08),Englische bersetzung von DIN ISO 8525:2013-01Bruit ariren mis par les machines-outils Conditions de fonctionnement des machines travaillent par enlvement de mtal(ISO 8525:2008),Traduction anglaise de DIN ISO 8525:2013-01www.beuth.deDocument comprises pagesIn case of doubt, the German-language or
4、iginal shall be considered authoritative.2812.12 A comma is used as the decimal marker. Contents Page National foreword .3 National Annex NA (informative) Bibliography 3 1 Scope 4 2 Normative references 4 3 Terms and definitions .4 4 Preliminary remarks 5 4.1 Reference to ISO 230-5 and other standar
5、ds 5 4.2 Tests to be performed .5 5 Installation and mounting conditions 5 5.1 General 5 5.2 Machine installation 6 5.3 Microphone positions .6 6 Operating conditions .6 7 Measurement uncertainty .7 8 Information to be recorded .7 9 Information to be reported 7 10 Declaration and verification of noi
6、se-emission values .8 Annex A (normative) Operating conditions for turning machines 9 Annex B (normative) Operating conditions for milling machines 13 Annex C (informative) Data sheets for noise-emission measurement of turning machines . 18 Annex D (informative) Data sheets for noise-emission measur
7、ement of milling machines 23 Bibliography . 28 2 DIN ISO 8525:2013-01 National foreword ISO 8525:2008 has been prepared by Technical Committee ISO/TC 39 “Machine Tools”, Subcommittee SC 6 “Noise of machine tools”. The responsible German body involved in its preparation was the Normenaus-schuss Werkz
8、eugmaschinen (Machine Tools Standards Committee). Annexes A and B form a normative part of this standard. Annexes C and D are for information and include data sheets to be used for measurements. The text of this standard is based on ISO 8525:2008-06-15. Modifications due to intermediate revisions of
9、 basic standards (e.g. the ISO 3740 standards series) on noise-emission are therefore not considered in this standard. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. DIN and/or DKE shall not be held responsible for identifying an
10、y or all such patent rights. The DIN Standards corresponding to the International Standards and publications referred to in this document are as follows: ISO 230-5 DIN ISO 230-5 ISO 3740 DIN EN ISO 3740 ISO 3744 DIN EN ISO 3744 ISO 3746 DIN EN ISO 3746 ISO 4871 DIN EN ISO 4871 ISO 11200 DIN EN ISO 1
11、1200 National Annex NA (informative) Bibliography DIN ISO 230-5, Test code for machine tools Part 5: Determination of the noise emission DIN EN ISO 3740, Acoustics Determination of sound power levels of noise sources Guidelines for the use of basic standards DIN EN ISO 3744, Acoustics Determination
12、of sound power levels and sound energy levels of noise sources using sound pressure Engineering methods for an essentially free field over a reflecting plane DIN EN ISO 3746, Acoustics Determination of sound power levels and sound energy levels of noise sources using sound pressure Survey method usi
13、ng an enveloping measurement surface over a reflecting plane DIN EN ISO 4871, Acoustics Declaration and verification of noise emission values of machinery and equipment DIN EN ISO 11200, Acoustics Noise emitted by machinery and equipment Guidelines for the use of basic standards for the determinatio
14、n of emission sound pressure levels at a work station and at other specified positions 3 DIN ISO 8525:2013-01 1 Scope This International Standard describes, with reference to ISO 230-5, the mechanical and acoustical specifications necessary for a reproducible test method for the determination of air
15、borne noise emitted by metal-cutting machines and related auxiliary equipment. The purpose of this International Standard is to facilitate the obtention of comparable test results on the noise emission of similar machines. The results of the tests can be used for comparison, acceptance, maintenance
16、or any other purpose. This International Standard specifies, in particular, operating conditions for the measurement of noise emitted by metal cutting machines excluding any cutting process. These operating conditions are strictly the same for the determination of both sound power levels and emissio
17、n sound pressure levels at specified positions. It applies to: all kinds of turning machines, including numerical control (NC) turning machines and turning centres; all kinds of milling machines, including NC milling machines and machining centres. For machine tools which enable milling and turning
18、operations simultaneously, choose the suitable measurements of this International Standard. Additional types will be covered in future editions of this International Standard. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated
19、references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 230-5:2000, Test code for machine tools Part 5: Determination of the noise emission ISO 3744, Acoustics Determination of sound power levels of noi
20、se sources using sound pressure Engineering method in an essentially free field over a reflecting plane ISO 4871, Acoustics Declaration and verification of noise emission values of machinery and equipment 3 Terms and definitions For the purposes of this document, the terms and definitions given in I
21、SO 230-5:2000 and the following apply. Airborne noise emitted by machine tools Operating conditions for metal-cutting machines 4 DIN ISO 8525:2013-01 3.1 numerically controlled turning machine machine tool in which the principal motion is the rotation of the workpiece against the stationary cutting
22、tool(s) and where cutting energy is brought by the workpiece and not by tool NOTE This machine is controlled by a numerical control (NC) providing automatic function and can be of a single spindle or multi-spindle type. 3.2 turning centre numerically controlled turning machine equipped with power dr
23、iven tool(s) and the capacity to orientate the work holding spindle around its axis NOTE This machine may include additional features such as automatic tool changing from a magazine. 3.3 machining centre numerically controlled machine tool capable of carrying out two or more of the operations of mil
24、ling, boring, drilling and tapping on which tools can be changed automatically from a magazine or similar storage unit in accordance with a machining programme NOTE Most machining centres have facilities for automatically changing the direction in which the workpieces are presented to the tool (e.g.
25、 turntables). 4 Preliminary remarks 4.1 Reference to ISO 230-5 and other standards To apply ISO 8525, reference shall be made to ISO 230-5 for consideration of the test methods, measurement surface, measurement positions, corrections for both the acoustic environment and background noise and the rec
26、ommended accuracy of testing equipment. NOTE For more detailed information, the use of additional basic standards may be helpful (see Clause 2 and the Bibliography). Guidelines for the selection of the most appropriate basic standards are given in ISO 3740. 4.2 Tests to be performed When testing a m
27、achine, it is not always necessary or possible to carry out all the tests described in ISO 8525. Depending upon the purposes the measurements are used for, the required tests may be chosen. Although prescribed metal cutting tests are excluded from this International Standard, specific cutting tests
28、may be included where appropriate and desired. 5 Installation and mounting conditions 5.1 General This clause gives general provisions for machine installation and operation. Detailed specifications for specific types of machining processes are given in the annexes. The installation and mounting con
29、ditions shall be representative of the typical or normal use of the machine. These conditions shall be the same for the determination of both sound power levels and emission sound pressure levels at specified positions, and for declaration purposes. Care shall be taken to ensure that any electrical
30、conduits, piping or air ducts which are connected to the machinery do not radiate significant amounts of sound energy. 5 DIN ISO 8525:2013-01 5.2 Machine installation The machine shall be installed according to the manufacturers instructions. If the manufacturer does not provide such instructions, t
31、his shall be stated in the test report, together with the installation method used. The machine shall be installed in such a way that access to all sides is possible. The machine undergoing the test shall be placed on a reflecting (acoustically hard) plane. If the machine is to be installed on speci
32、al foundations or in a pit, the measurements shall be made under these conditions, using the floor level outside the pit as a basis for the reference box and the measurement positions. All protective devices and acoustic guards supplied with the machine shall be fitted and in operation during these
33、tests. 5.3 Microphone positions Microphone positions as specified in ISO 230-5 shall be used for determination of sound power level with accuracy grade 3. If the determination of sound power level with accuracy grade 2 is desired, the microphone positions according ISO 3744 shall be used. NOTE Pract
34、ical knowledge shows that in typical workshops where machines are installed, accuracy grade 2 is not usually achievable. 6 Operating conditions Noise measurements shall be made during idle running operations, accelerating and braking operations for slide rest and spindle, tool change operation and w
35、ith the machine ready for service with the spindle stationary. The operating conditions during measurement shall be representative of the use of the machinery. Tests according this International Standard are under no load conditions except where special work cycles have been agreed. The test conditi
36、ons shall be those specified in the relevant annexes. Machines with provisions for dust extraction shall be tested with the extraction system working. General safety requirements shall take precedence over conditions specified in Annexes A and B. For power driven tools, a noise measurement shall be
37、made with the maximum speed under no load condition. If the drive of the machine is operated through a selective gear unit, a measurement shall be carried out at the maximum speed of each range. If several work spindles can operate independently, the measurement instructions in the following clauses
38、 apply to all work spindles where the maximum driving power is higher than half the driving power of the main spindle. If the machine is provided with a numerical control system which enables automatic operations, a representative test cycle shall be used for noise measurement. This should include m
39、ovements and operations of all machine components that can be moved automatically, such as spindle(s), tool changer, workpiece changer, slide rest, etc. (see A.3.4 and B.3.3). The noise emission during the test cycle specified in the annexes of this International Standard shall be measured under no
40、load conditions. For the test cycle, each operation period and its duration shall be identified and recorded in the test report. Prior to testing, the machine shall be run for at least 30 min at no less than 2/3 maximum spindle speed, or otherwise to the manufacturers specifications to bring it up t
41、o normal operating conditions. 6 DIN ISO 8525:2013-01 7 Measurement uncertainty A single value of the sound power level of noise source determined according the procedures of this International Standard is likely to differ from the true value by an amount within the range of the measurement uncertai
42、nty. The uncertainty in determination of the sound power level arises from several factors which affect the result, some associated with environmental conditions of the place where the measurement is carried out. For more details of factors that may need to be taken into account, see ISO 230-5:2000,
43、 Clause 7. 8 Information to be recorded The information to be recorded should be carried out according to ISO 230-5:2000, Clause 8. An example of information to be recorded is also to be found in ISO 230-5:2000, Annex D. 9 Information to be reported For noise measurements that are made according to
44、the specifications of this International Standard in addition to those specified in ISO 230-5, the following information shall be compiled as completely as possible and reported: a) machine data: 1) name and address of the supplier/manufacturer, 2) year of construction, 3) designation of series or t
45、ype, 4) serial/prototype number of the machine undergoing the test, 5) designation of the machine configuration or identification of the machine components moving along the main linear axes, 6) power of the spindle motor, 7) maximum spindle speed, 8) size of the tool (if one is used, e.g. machines w
46、ith tool changing systems), 9) working travels, 10) rapid feed rates of the axes involved in the test, 11) maximum programmable feed rates of the axes involved in the test; b) installation and mounting: 1) installation and mounting conditions, 2) location of the machine under test, with respect to t
47、he reflecting plane, 3) operating conditions including the test cycle description as defined in Annexes A and B of this standard; 7 DIN ISO 8525:2013-01 c) measurement: 1) reference box and measurement surface, (by means of a sketch), 2) measurement positions including normal operators position (by
48、means of a sketch), 3) measurement time at each position; d) results: 1) the background noise pressure levels, if the correction factor is required, 2) the A-weighted emission sound pressure level at the operators position(s), with the relevant environmental correction factor, 3) the A-weighted sound power level (LWA) emitted, with the relevant environmental correction factor, if determined, 4) the time-averaged A-weighted sound pressure level (LpAeqT or LpA) and the duration of period of time for measurement. NOTE
