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ISO 4250-3-2011 pdf free download
ISO 4250-3-2011 pdf free download.Earth-mover tyres and rims Part 3:Rims
Pneumatiques et jantes pour engins de terrassernent — Partie 3: Jantes.
This part of ISO 4250 sets out the designation, contours and dimensions for rims for narrow- and wide-base off-road tyres primarily intended for earth-moving machinery.
All dimensions in this part of ISO 4250 are given in millimetres and are applicable to the side of the nm which is in contact with the tyre.
Tyre designations and dimensions. tyre classifications and nomenclature are given in ISO 4250-1. ISO 10571 and ISO 13442.
Annex A gives details on sealing ring grooves and 0-rings for earth-mover rims.
2 Normative references
The following referenced documents are indispensable for the application 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 3911, Wheels and rims for pneumatic tyres Vocabulary, designation and marking
3 Terms and definitions
For the purposes of this document, the terms and definitions given in ISO 3911 apply.
4 Rim identification
4.1 Codes shall be used to identify:
a) specified rim diameter, D (see Table 7),
b) nominal width between flanges;
c) nominal flange height or rim profile designations.
4.2 The rim marking shall consist of codes for:
a) specWied rim diameter. D:
b) nominal width between flanges.
The markings shall be on the weather side of the rim and visible when the tyre is mounted on the rim.
Where a disk is fitted by the rimlwheel manufacturer, the marking shall appear on either the disc or the rim base.
Loose flanges shall be marked on an externally visible surface. The marking shall indicate nominal height and nominal diameter.
5 Rim contours
Rim contours are given in Figures 1 to 5 and Tables 1 to 5.
6 Rim knurling
If rim knurling is required, details can be found in Figure 6 and Table 6.
7 Rim loads and inflation pressures
The load and inflation pressure imposed on the rim and wheel shall not exceed the rim and wheel manufacturers recommendations, even though the tyre may be approved for a higher load or inflation pressure, Consult the rim and wheel manufacturer to determine if rim and wheel capacities are adequate for the intended service
8 Rim dimensions
Rim dimensions are standardized for size and contour, and for particular tyre and rim combinations designed to ensure proper mounting and fit of the tyre to the rim.
Where rim dimensions are not available, consult the rim, wheel or tyre manufacturer.ISO 4250-3-2011 pdf free download.
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