标准编号：ISO 5686-3:2024
中文名称：平面接触面多边形刀架接口第3部分：F和A型带柄从动刀架的联轴器
英文名称：Polygonal turret interface with flat contact surface — Part 3: Coupling for driven tool holders with shanks of type F and A
发布日期：2024-10
标准范围
This document specifies the dimensions of couplings for driven tool holders with polygonal taper shanks with flat contact surface (PTI). These shanks are the tool-side part of the interface to the (in cutting process non-rotating) tool carrier of machine tools (e.g. turret lathes, turning centres). This document specifies a coupling type that applies to two of the three tool-side interface types defined in ISO 5686-1 (F, A). The tool shanks themselves are designed identically for all types. — Shank type F has two holes for the coolant supply (F = fluid) on the face contact for use in two installation positions (offset by 180°).
— Shank type A has two holes on the face contact for the primary coolant supply and additional two holes for supplying the tool holder (driven tool) with sealing air (A = air). An installation position offset by 180° is possible. A spring-type straight pin belongs to the holder and avoids incorrect insertion.
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