ISO 8098-2014 pdf free.Cycles一Safety requirements for bicycles for young children.
ISO 8098 specifies safety and performance requirements and test methods for the design, assembly and testing of fully assembled bicycles and sub-assemblies for young children. It also provides guidelines for instructions on the use and care of the bicycles.
This International Standard is applicable to bicycles with a maximum saddle height of more than 435 mm and less than 635 mm, propelled by a transmitted drive to the rear wheel.
It is not applicable to special bicycles intended for performing stunts (e.g. BMX bicycles).
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 1101, Geometrical product specifications (GPS) — Geometrical tolerancing — Tolerances of form, orientation, location and run-out
ISO 5775-1, Bicycle tyres and rims — Part 1: 7re designations and dimensions
ISO 5775 -2, Bicycle tyres and rims — Part 2: Rims
ISO 6742-2, Cycles — Lighting and retro-reflective devices — Part 2: Ret ro-reflective devices
ISO 11243, Cycles — Luggage carriers for bicycles — Concepts, classification and testing
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1 bicycle
two-wheeled cycle
3.2 brake-lever
lever which operate the brake device
3.3 braking force
tangential rearward force between the tyre and the ground or the tyre and the drum or belt of the test machine
4 Requirements and test methods
4.1 Brake tests and strength tests — Special requirements
4.1.1 Definition of brake tests
Brake tests to which accuracy requirements apply, as in 4.1.4. are those specified in 4.7.2.3 to 4.7.8.4 inclusive.
4.1.2 DefInition of strength tests
Strength tests to which accuracy requirements apply, as in 4J.4, are those involving static, impact or
fatigue loading as specified in 4B to 4J.4 inclusive and
4.1.3 Numbers and condition of specimens for the strength tests
In general, for static, impact and fatigue tests, each test shall be conducted on a new test sample, but if only one sample is available, it is permissible to conduct all of the tests on the same sample with the sequence of testing being fatigue, static and impact.
When more than one test is conducted on the same sample, the test sequence shall be clearly recorded in the test report or record of testing.
NOTE It should be noted that if more than one test is conducted on the same sample, earlier test can influence the results of subsequent tests. Also, if a sample fails when it has been subjected to more than one test, a direct comparison with single testing Is not possible.
In all strength tests, specimens shall be in the fully finished condition.
It is permitted to carry out tests with dummy assemblies such as a fork or handlebar when carrying out frame or handlebar stem tests.ISO 8098 pdf free download.
Tags: Cycles
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