234/2 (ISO International Standard Files and rasps Part 2 : Characteristics of cut Limes et rapes - Partie 2 : Caracteristiques de taille First edition - 1982-05-15 ISO 234/2-1982 (E) UDC 621.918.2 Ref. No. 1SO 234/2-1982 (E) Descriptors ; tools, hand tools, files (tools), dimensions, shape, length, cutting angle, characteristics. Price based on 2 pages Copyright International Organization for Standardization cing permitted without license from IHS Not for Resale No Foreword Iso (the International Organization for Standardization) is a worldwide federation of national standards institutes (Iso member bodies). The work of developing Inter- national Standards is carried out through ISo technical committees. Every member body interested in a subject for which a technical committee has been set up 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. Draft International Standards adopted by the technical committees are circulated to the member bodies for approval before their acceptance as International Standards by the ISO Council. International Standard ISO 234/2 (formerly draft International Standard ISO/ DIS 6350) was developed by Technical Committee ISO/TC 29, Small tools, and was circulated to the member bodies in March 1980. It has been approved by the member bodies of the following countries : South Africa, Rep. of Australia India Israel Spain Belgium Italy Sweden. Czechoslovakia Finiand Korea, Rep. of United Kingdom France USSR Mexico Germany, F.R. Netherlands Hungary Romania The member bodies of the following countries expressed disapproval of the document on technical grounds : Austria Poland @ International Organization for Standardization, 1982 Printed in Switzerland No reproduction or networking permitted without license from IHS Not for Resale 1SO 234/2-1982 (E) INTERNATIONAL STANDARD Files and rasps Part 2 : Characteristics of cut 1 Scope and field of application 3.3 coarseness of cut for files : Number of teeth of the principal cut per centimetre along the centre line of the file. This International Standard covers the coarseness of cuts for the more common files and rasps. The terms used for types of files and rasps and coarseness of cut correspond to the traditio nal terminology in the trade. 3.4 coarseness of cut for rasps : Number of teeth per This International Standard applies only to those forms of files lent to and rasps indicated in clause 4 for each tool type. 1 000 (n - 1) Reference LxW 2 ISO 234/1, Files and rasps - Part 1 : Dimensions. 1) where 3 Definitions n is the number of teeth in each row; L is the distance in millimetres measured between the top 3.1 principal cut : The cut on the flat side of a singte-cut file of a tooth of the first and the eleventh row; or the second cut superimposed on the first cut on a double-cut file. Principal cut corresponds to the English term "upcut", the W is the distance in milimetres between the top of the "deuxieme taille" and the German term French term first and the last tooth in a row. "Oberhieb". 3.2 cutting angle : The angle between the principal cut and the centre line of the file (see figure). vvvv 11th row VVVVV Cutting angle V Yvvvy 1st row W 1st nth tooth tooth 1)At present at the stage of draft. (Revision of ISO 234-1975.) 1 for Standardization No reproduction or networking permited without license from IHS Not for Resale