1、 Reference number ISO 8116-5:2008(E) ISO 2008INTERNATIONAL STANDARD ISO 8116-5 Third edition 2008-12-15 Textile machinery and accessories Beams for winding Part 5: Sectional beams for warp knitting machines Matriel pour lindustrie textile Ensouples pour enroulement Partie 5: Ensouples sectionnelles
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7、6-5:2008(E) ISO 2008 All rights reserved iii Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each memb
8、er body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Ele
9、ctrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adop
10、ted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of pate
11、nt rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 8116-5 was prepared by Technical Committee ISO/TC 72, Textile machinery and accessories, Subcommittee SC 3, Machinery for fabric manufacturing including preparatory machinery and accessories. This third e
12、dition cancels and replaces the second edition (ISO 8116-5:1995), which has been technically revised. ISO 8116 consists of the following parts, under the general title Textile machinery and accessories Beams for winding: Part 1: General vocabulary Part 2: Warpers beams Part 3: Weavers beams Part 4:
13、Test methods and quality classification of flanges for weavers beams, warpers beams and sectional beams Part 5: Sectional beams for warp knitting machines Part 6: Beams for ribbon weaving and ribbon knitting Part 7: Beams for dyeing slivers, rovings and yarns Part 8: Definitions of run-out tolerance
14、s and methods of measurement Part 9: Dyeing beams for textile fabrics INTERNATIONAL STANDARD ISO 8116-5:2008(E) ISO 2008 All rights reserved 1 Textile machinery and accessories Beams for winding Part 5: Sectional beams for warp knitting machines 1 Scope This part of ISO 8116 specifies the main dimen
15、sions, mechanical strength, designation and permissible values of tolerances of form and position for the main elements of sectional beams for warp knitting machines. For cases where a limit must be fixed for the residual imbalance, a recommendation is made for the choice of quality grade. 2 Normati
16、ve references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 286-2, ISO system of limits and
17、 fits Part 2: Tables of standard tolerance grades and limit deviations for holes and shafts ISO 1940-1, Mechanical vibration Balance quality requirements for rotors in a constant (rigid) state Part 1: Specification and verification of balance tolerances ISO 8116-4, Textile machinery and accessories
18、Beams for winding Part 4: Test methods and quality classification of flanges for weavers beams, warpers beams and sectional beams ISO 8116-8, Textile machinery and accessories Beams for winding Part 8: Definitions of run-out tolerances and methods of measurement 3 Main dimensions The main dimensions
19、 of the sectional beams are given and explained in Figure 1. The main dimensions of the sectional beams given in Table 1 shall be met. ISO 8116-5:2008(E) 2 ISO 2008 All rights reservedKey d 1flange diameter d 2outside barrel diameter d 3bore diameter of flange l 1length between flanges l 2overall le
20、ngth b width of keyway h d 3+ keyway depth Figure 1 Sectional beam Table 1 Main dimensions Dimensions in millimetres d 1 3 l 2 1 d 2amin d 3H11 bb min h min 355 355 535 110 70,4 14,2 75 532 535 1 065 1 270 1 325 196 762 298 1 000 1 065 1 270 1 325 360 152,7 19,6 165,3 aMinimum values depending on th
21、e setting device of the machine. bStandard tolerance grades and limit deviations in accordance with ISO 286-2. ISO 8116-5:2008(E) ISO 2008 All rights reserved 3 4 Mechanical strength The mechanical strength of sectional beams for knitting machines is classified in accordance with the quality classes
22、 defined in ISO 8116-4. The mechanical strength of sectional beams for knitting machines shall be verified, depending on the quality class, by the test method given in ISO 8116-4. 5 Circular axial run-out tolerance, T a , of flanges The permissible circular axial run-out tolerance, T a , of flanges
23、given in with Table 2 shall be met. The run-out tolerance shall be measured in accordance with ISO 8116-8. Table 2 Permissible circular axial run-out tolerance of flanges d 1mm T amm 335 0,2 532 0,35 762 0,5 1 000 0,75 6 Total run-out tolerance, T r , of barrel The permissible total run-out toleranc
24、e, T r , of the barrel shall be measured in millimetres and calculated using Equation (1): 1 r 0,25 1000 l T = (1) The run-out tolerance shall be measured in accordance with ISO 8116-8. 7 Residual imbalance Depending on the circumstances, it may be necessary to fix a value for the residual imbalance
25、 of sectional beams. In general, a quality grade G 6,3 in accordance with ISO 1940-1 will be appropriate. If special conditions call for another grade, this shall be specified. 8 Taper reception At a flange diameter, d 1 , of 762 mm or greater, the sectional beam may be designed with a taper recepti
26、on as given in Figure 2 in order to achieve a better centring on mandrel. ISO 8116-5:2008(E) 4 ISO 2008 All rights reservedFigure 2 Taper reception 9 Other specifications The following details should be specified as appropriate: a) materials of the barrel and flanges; b) nature of the material to be
27、 wound; c) fabrication process of the sectional beam flanges (casting or forging); d) surface quality and, if possible, the treatment (paint, chromium-plating, nickel-plating, etc.) of the beam in contact with the material to be wound (inner sides of the flanges and the surface of the outside barrel
28、 diameter); e) number of grooves (one or two) to be included in the boss of each flange; f) taper reception (if received). 10 Designation The designation of a sectional beam in accordance with this part of ISO 8116 shall include the following information in the order given: a) “Sectional beam”; b) r
29、eference to this part of ISO 8116, i.e. ISO 8116-5; c) flange diameter, d 1 , in millimetres; d) overall length, l 2 , in millimetres; e) quality class Q1, Q2, Q3 or Q4 in accordance with ISO 8116-4. EXAMPLE A sectional beam for warp knitting machines with flange diameter d 1= 535 mm and overall length l 2= 1 065 mm with the quality class Q4 shall be designated as follows: Sectional beam ISO 8116-5 - 535 1 065-Q4 ISO 8116-5:2008(E) ICS 59.120.20 Price based on 4 pages ISO 2008 All rights reserved
