ISO 19744:2020 pdf download – Test conditions for numerically controlled broaching machines — Testing of accuracy — Vertical surface type broaching machines

02-14-2022 comment

ISO 19744:2020 pdf download – Test conditions for numerically controlled broaching machines — Testing of accuracy — Vertical surface type broaching machines.
3? Terms? and? definitions For the purposes of this document, the terms and definitions given in ISO 230-1, ISO 230-2, ISO 230-7 and the following apply. ISO and IEC maintain terminological databases for use in standardization at the following addresses: — ISO Online browsing platform: available at https:// www .iso .org/ obp — IEC Electropedia: available at http:// www .electropedia .org/ 3.1 surface broaching operation machining process in which a broach (3.2) is pushed over an external surface to remove material by linear cutting Note 1 to entry: Principal cutting motion is a relative translation of broach against the non-rotating workpieces and where the cutting energy is brought by the broach or workpiece motion. 3.2 broach cutting tool that has multiple transverse cutting edges each with progressively increased size 3.3 broaching machine machine tool in which broaching operation is executed 3.4 vertical broaching machine broaching machine (3.3) whose main cutting axis (Z-axis) is vertical 3.5 vertical surface type broaching machine vertical broaching machine (3.4) in which its broach (3.2) is pushed or pulled over an external surface of the workpiece to remove material 4 Terminology and designation of axes See Figure 1 and Figure 2. A common configuration of NC vertical surface type broaching machines with A-axis is shown in Figure 2. The nomenclature for the structural components of the broaching machine are shown in Figure 1.
5.4 Tests to be performed When testing a vertical broaching machine, it is neither always necessary nor possible to carry out all the tests described in this document. When the tests are required for acceptance purposes, it is up to the user to choose, in agreement with the manufacturer/supplier, those tests relating to the components and/or the properties of the machine which are of interest. These tests are to be clearly stated when ordering a machine. A simple reference to this document for the acceptance tests, without specifying the tests to be carried out, and without agreement on the relevant expenses, cannot be considered as binding for any contracting party. 5.5 Tolerances and minimum tolerance In this document, all tolerance values (see ISO 230-1:2012, 4.1) are guidelines. When they are used for acceptance purposes other values can be agreed on between the user and the manufacturer/supplier. The required/agreed tolerance values are to be clearly stated when ordering the machine. When establishing the tolerance for a measuring length different from that given in this document (see ISO 230-1:2012, 4.1.2), it shall be taken into consideration that the minimum value of tolerance is 0,005 mm.

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