ISO 6261 pdf download

ISO 6261 pdf download

ISO 6261 pdf download Tool holders with cylindrical shank (boring bars) for indexable inserts — Designation
1 Scope
This International Standard defines a code for the designation of tool holders for internal turning (boring bars)operations with cylindrical shank and standardized dimension, f, for indexable inserts (see ISO 5609) in orderto simplify orders and specifications for such tools.
The designation of turning and copying tool holders and of cartridges for indexable inserts with rectangularshank is given in lSo 5608.
2Normative references
The following referenced documents are indispensable for the application of this document. For datedreferences,only the edition cited applies. For undated references,the latest edition of the referenceddocument (including any amendments) applies.
ISO 1832,Indexable inserts for cutting tools — Designation
3 Configuration of the designation
The designation code includes ten symbols for the designation of dimensions and other characteristics of thetool holder and the indexable insert.
In addition to the standardized designation (symbols 1 to 10), a supplementary symbol consisting of amaximum of three letters and/or numbers may be added by the manufacturer for a better description of his/herproducts on condition that this symbol is separated from the standardized designation by a hyphen.
No addition to or extension of the code given in this International Standard shall be made without consultationwith lISO/TC 29 and without its agreement.Rather than adding symbols not provided for in this system, allnecessary explanations should be added in detailed sketches or specifications to the designation conformingto this International Standard.
The meaning of the ten compulsory symbols constituting the code is as follows:
Position Definition of designation symbols
1 letter symbol identifying the type of tool (see 4.1);
2 number symbol identifying the diameter of the shank (see 4.2);
3 letter symbol identifying the length of the tool (see 4.3);
– hyphen not counted as a symbol;
4 letter symbol identifying the method of holding the indexable insert (see 4.4);
5 letter symbol identifying the indexable insert shape (see 4.5) (in accordance with ISO 1832);
6 letter symbol identifying the style of the tool (see 4.6);
7 letter symbol identifying the insert normal clearance (see 4.7);
8 letter symbol identifying the hand of the tool (see 4.8);
9 number symbol identifying the size of the indexable insert (see 4.9) (in accordance with ISO 1832);
10 number symbol identifying the numbers of flats and their location (see 4.10).
1 2 3 – 4 5 6 7 8 9 – 10
S 25 S – P S K N R 12 – 41
The term “tool” refers to boring bars (tool holders with cylindrical shank).
4 Designation symbols
4.1 Symbol for the type of tool — Letter symbol position 1
See Table 1.

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