ISO 10649-3:2013 pdf download.Cutter arbors with parallel key and tenon drive — Part 3: Dimensions and designation of tool holders with 7/24 taper for automatic tool changer
This part of ISO 10649 specifies the dimensions of cutter arbors with parallel key and tenon drive with 7/24 tapers for automatic tool changer.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 2768-1, General tolerances — Part 1: Tolerances for linear and angular dimensions without individual tolerance indications
ISO 2768-2, General tolerances — Part 2: Geometrical tolerances for features without individual tolerance indications
ISO 2780, Milling cutters with tenon drive — Interchangeability dimensions for cutter arbors — Metric series
ISO 7388-1, Tool shanks with 7/24 taper for automatic tool changers — Part 1: Dimensions and designation of shanks of forms A, AD, AF, U, UD and UF
ISO 7388-2, Tool shanks with 7/24 taper for automatic tool changers — Part 2: Dimensions and designation of shanks of forms J, JD and JF
ISO 10643, Dimensions of accessories for cutter arbors with parallel key and tenon drive
ISO 10649-1, Cutter arbors with parallel key and tenon drive — Part 1: General dimensions
3 Dimensions
3.1 General
All dimensions and tolerances are given in millimetres. Tolerances not specified shall be of tolerance class “m” in accordance with ISO 2768-1 and of class “K” in accordance with ISO 2768-2.
The interchangeability dimensions of the milling cutter bearing on the cutter arbor shall be in conformity with ISO 2780. The retaining screw used shall have the dimensions specified in ISO 2780.
The dimensions of tool interface for arbors with parallel key and tenon drive shall be in accordance with ISO 10649-1.
The figures are schematic and are not intended to specify a given design; only the given dimension shall be met.
3.2 Dimensions of arbors with 7/24 taper shanks for automatic tool changers in accordance with ISO 7388-1
The dimensions for arbors with 7/24 taper shanks for automatic tool changers in accordance with ISO 7388-1 shall be in accordance with the dimensions shown in Figure 1 and given in Table 1.
3.3 Dimensions of arbors with 7/24 taper shanks for automatic tool changers in accordance with ISO 7388-2
The dimensions for arbors with 7/24 taper shanks for automatic tool changers in accordance with ISO 7388-2 shall be in accordance with the dimensions shown in Figure 2 and given in Table 2.
4 Material
The material is left to the manufacturer’s discretion; the tensile strength shall be at least 800 N/mm 2 .
The surface hardness shall be (56 + 4) HRC in the area of the taper surface and the surfaces of the spigot.
The hardness depth is left to the manufacturer’s discretion.
5 Designation
The cutter arbors with parallel key and tenon drive with 7/24 taper shank for automatic tool changer in accordance with this part of ISO 10649 shall be designated by:
a) “Arbor”;
b) the reference to this part of ISO 10649, i.e. ISO 10649-3:2013;
c) a hyphen;
d) the form of the shank in accordance with ISO 7388-1 or ISO 7388-2 (i.e. forms A, U, AD, UD, AF, UF,J, JD, or JF);
e) the shank number;
f) a hyphen;
g) the diameter of cutter d 1 .
EXAMPLE Designation of an arbor with 7/24 taper shank for automatic tool changer, shank No. 45 form A,cutter arbor diameter d 1 = 22 mm, with parallel key, clutch drive ring, and cutter retaining screw:
Arbor ISO 10649-3 – A45 – 22
6 Delivery conditions
The cutter arbors with parallel key and tenon drive with 7/24 taper shank for automatic tool changer in accordance with this part of ISO 10649 shall be delivered with at least the following:
— a parallel key in accordance with ISO 10643;
— a clutch drive ring in accordance with ISO 10643;
— a cutter retaining screw in accordance with ISO 10643.ISO 10649-3 pdf download.ISO 10649-3-2013 pdf download
