ISO 7388-3-2013 pdf download.Tool shanks with 7 /24 taper for automatic tool changers – Part 3: Retention knobs for shanks of forms AC, AD, AF, UC, UD, UF, JD and JF.
This part of ISO 7388 specifies the dimensions of retention knobs for tool shanks with a 7/24 taper of shank forms A, AD, AF, UC, UD, UF, JD, and JF for automatic tool changers used on machines having an automatic gripping system for feeding tools from the magazine to the spindle and vice-versa. These tools are designed with the most important dimensions for use in spindle noses according to ISO 9270.
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 1629, Rubber and latices — Nomenclature
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 8015, Geometrical product specifications (GPS) — Fundamentals — Concepts, principles and rules
3 Dimensions
3.1 General
All dimensions and tolerances are given in millimetres; tolerancing is according to ISO 8015. 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.
3.2 Retention knobs, shank form AD, for centric inner cooling lubricant supply
The dimensions of retention knobs for shanks of form AD shall be in accordance with the dimensions shown in Figure 1 and given in Table 1.
3.3 Retention knobs, shank form AF, without cooling lubricant supply
The dimensions of retention knobs for shanks of form AF shall be in accordance with the dimensions shown in Figure 2 and given in Table 2. Other dimensions are the same as that of shank form AD.
3.4 Retention knobs, shank form UD, for centric inner cooling lubricant supply
The dimensions of retention knobs for shanks of form UD shall be in accordance with the dimensions shown in Figure 3 and given in Table 3.
3.5 Retention knobs, shank form UF, without cooling lubricant supply
The dimensions of retention knobs for shanks of form UF shall be in accordance with the dimensions shown in Figure 4 and given in Table 4. Other dimensions are as for shank form UD.ISO 7388-3 pdf free download.