BS ISO 6195:2021 pdf download – Fluid power systems and components — Cylinder- rod wiper-ring housings in reciprocating applications — Dimensions and tolerances.
1 Scope This document specifies dimensions and tolerances of housings for wiper-rings used in reciprocating rod applications for fluid power cylinders. The range of rod diameters is from 4 mm to 450 mm. 2 Normative references The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 4287:1997, Geometrical Product Specifications (GPS) — Surface texture: Profile method — Terms, definitions and surface texture parameters ISO 5598, Fluid power systems and components — Vocabulary 3? Terms? and? definitions For the purposes of this document, the definitions given in ISO 5598 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/ 4 Symbols The symbols used in this document are as follows: a roughness of the side surface of the wiper housing b roughness of the surface of the wiper housing bore C axial length of the lead-in chamfer C0 reference material ratio level (see ISO 4287:1997, 4.5.4) d rod diameter D 1 outside diameter of wiper housing D 2 retainer diameter e roughness of the rod f roughness of the leading chamfer L 1 axial length of the wiper housing
6.2 Type B housing
6.2.1 Type B housing and a typical wiper-rings are shown in Figure 3.
6.2.2 Type B housing dimensions and tolerances shall conform to Table 2.
6.2.3 Type B wiper-rings are recommended for use with cylinders conforming to ISO 6020-1 and to ISO 6022.