BS ISO 10791-5-1998 Test conditions for machining centres - Accuracy and repeatability of positioning of work-holding pallets《加工中心的试验条件 第5部分 工件夹紧盘定位的精度和可重复性》.pdf
《BS ISO 10791-5-1998 Test conditions for machining centres - Accuracy and repeatability of positioning of work-holding pallets《加工中心的试验条件 第5部分 工件夹紧盘定位的精度和可重复性》.pdf》由会员分享,可在线阅读,更多相关《BS ISO 10791-5-1998 Test conditions for machining centres - Accuracy and repeatability of positioning of work-holding pallets《加工中心的试验条件 第5部分 工件夹紧盘定位的精度和可重复性》.pdf(16页珍藏版)》请在麦多课文档分享上搜索。
1、BRITISH STANDARD BS ISO 10791-5:1998 Test conditions for machining centres Part 5: Accuracy and repeatability of positioning of work-holding pallets ICS 25.040.10BS ISO10791-5:1998 This British Standard, having been prepared under the direction of the Engineering Sector Board, was published under th
2、e authority of the Standards Board and comes into effect on 15 May 1998 BSI 05-1999 ISBN 0 580 29790 X Amendments issued since publication Amd. No. Date CommentsBSISO10791-5:1998 BSI 05-1999 i Contents Page National foreword ii Foreword iii Text of ISO 10791-5 1BS ISO10791-5:1998 ii BSI 05-1999 Nati
3、onal foreword This British Standard reproduces verbatim ISO10791-5:1998 and implements it as the UK national standard. It partially replaces BS4656-30:1992 which will be withdrawn once all other parts of this standard are published. The UK participation in its preparation was entrusted to Technical
4、Committee MTE/1, Machine tools, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and Europ
5、ean developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secretary. BS4656-30:1992 covered the subject of Test conditions for machining centres in one Standard. ISO10791 deals with the same subject but in a number of diff
6、erent parts. This part of ISO10791 partially supersedes BS4656-30:1992 in the following way: Section4 of this standard replaces Test D19 of BS4656-30:1992. The main differences are that D19 requires the use of a master pallet whilst this standard specifies checks on individual pallets associated wit
7、h the machine. Test D19 of BS4656-30:1992 also uses the maximum range from 3 repeat cycles whilst this standard specifies using the maximum range from 5 cycles. Also, test D19 of BS4656-30:1992 had a permissible deviation of 0.010 mm at 300 mm radius whilst this standard uses a range of deviation de
8、pending on the length of the shortest side of the pallet (e.g. L 500 mm Repeat = 0.008 mm). Section 5 of this standard replaces Test D20 of BS4656-30:1992. The main difference is that test D20 addresses repeatability of positioning whilst Section5 of this standard addresses positioning accuracy. Cro
9、ss-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electron
10、ic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This docum
11、ent comprises a front cover, an inside front cover, pages i and ii, the ISO title page, pages ii to iv, pages 1 to 6 and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on theinside front cover.
12、BS ISO10791-5:1998 ii BSI 05-1999 Contents Page Foreword iii Introduction 1 1 Scope 1 2 Normative references 1 3 Preliminary remarks 1 3.1 Measuring units 1 3.2 Reference to ISO 230-1 and ISO 230-2 1 3.3 Axes coding 2 3.4 Tests to be performed 2 3.5 Measuring instruments 2 4 Repeatability of positio
13、ning of individual pallets on the machine 2 4.1 Location of instruments 2 4.2 Measurement procedure 2 4.3 Formulae for calculating the deviations from individual readings 3 4.4 Tolerances 3 4.5 Checking and measuring instruments 4 4.6 Reference to ISO 230-2 4 4.7 Measured deviations 4 5 Positioning
14、accuracy of a batch of pallets relative to a pallet receiver 4 5.1 Location of instruments 4 5.2 Formulae for calculating the deviations from individual readings 5 5.3 Tolerances 5 5.4 Checking and measuring instruments 5 5.5 Reference to ISO 230-2 5 5.6 Measured deviations 5 Annex A (informative) B
15、ibliography 6 Figure 1 3 Table 1 Repeatability of positioning of individual pallets 4 Table 2 Accuracy of positioning of a batch of pallets 5 Descriptors: Machining centre, numerical control, machine tools, pallets, positioning, tests, geometric tests, determination, accuracy, testing conditions.BSI
16、SO10791-5:1998 BSI 05-1999 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 member body intere
17、sted 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 Electrotechnical
18、Commission (IEC) on all matters of electrotechnical standardization. Draft International Standards adopted 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. Inter
19、national Standard ISO10791-5 was prepared by Technical Committee ISO/TC39, Machine tools, Subcommittee SC2, Test conditions for metal cutting machine tools. ISO10791 consists of the following parts, under the general title Test conditions for machining centres: Part 1: Geometric tests for machines w
20、ith horizontal spindle and with accessory heads (horizontal Z axis); Part 2: Geometric tests for machines with vertical spindle or universal heads with vertical primary rotary axis (vertical Z axis); Part 3: Geometric tests for machines with integral universal heads with horizontal primary rotary ax
21、is (vertical Z axis); Part 4: Accuracy and repeatability of positioning of linear and rotary axes; Part 5: Accuracy and repeatability of positioning of work-holding pallets; Part 6: Accuracy of feeds, speeds and interpolations; Part 7: Accuracy of a finished test piece; Part 8: Evaluation of contour
22、ing performance in the three coordinate planes; Part 9: Evaluation of the operating times of tool change and pallet change; Part 10: Evaluation of the thermal distortions; Part 11: Evaluation of the noise emission; Part 12: Evaluation of the vibration severity. Annex A of this part of ISO10791 is fo
23、r information only.iv blankBSISO10791-5:1998 BSI 05-1999 1 Introduction A machining centre, is a numerically controlled machine tool capable of performing multiple machining operations, including milling, boring, drilling and tapping, as well as automatic tool changing from a magazine or similar sto
24、rage unit in accordance with a machining programme. The object of ISO10791 is to supply information as wide and comprehensive as possible on tests which can be carried out for comparison, acceptance, maintenance or any other purpose. ISO10791 specifies, with reference to the relevant parts of ISO 23
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