QC/T 1092-2018Static stiffness test method for 15° drop centre steel wheels of commercial vehicles (English PDF)
商用车15°深槽钢制车轮静态刚度试验方法
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
April 30, 2018
Implementation date
September 1, 2018
Scope
QC/T 1092-2018 is the English-translated version of 商用车15°深槽钢制车轮静态刚度试验方法.
QC/T 1092-2018 sets out how the static stiffness of a commercial vehicle steel wheel is checked on a pressurised wheel-tire assembly, giving the test samples, test devices, test method and test determination; it applies to 15° drop centre steel wheels.
Clause 3 defines wheel static stiffness as the ability of the rim, the flange and the bead seat to withstand deformation under static conditions after pressurization.
In clause 6 the inflating valve follows GB/T 1796.4, the tire is chosen under GB/T 2977 to match the test wheel load, and the assembly is placed in a safety guard, then moved outside it and filled with water through two valve holes until the second valve overflows, put back in the guard and inflated at no more than 300 kPa/min until the pressure reaches 2.4 times the matching tire pressure, then monitored for 3 min.
Vocabulary follows GB/T 2933. Issued on 30 April 2018, it has applied since 1 September 2018.
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Document preview — QC/T 1092-2018
National Standard of the People's Republic of China
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- Announcement
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Test samples
- 5 Test devices
- 6 Test methods
- 7 Test determinations
- Formulation explanation for QC/T 1092-2018 "Static stiffness test methods for 15° drop center commercial vehicle steel wheels"
- 1 Job profile
- 2 Standard preparation principle and main content
- 3 Analysis on main verification
- 4 Patent involvements in standard
- 5 Expected social benefits and effects on industrial development
- 6 Comparison and analysis of the project and international standards (foreign advanced standards) as well as adoption
- 7 Position of this Standard in the wheel standard system and coordination with current relevant standards, laws and regulations
- 8 Process and basis for major disagreements
- 9 Suggested description of the standard nature
- 10 Requirements for standard implementation and suggestions on measures
- 11 Proposal to abolish existing relevant standards
- 12 Other matters that shall be explained
- Annex: References, names and dates of implementation of 42 automotive industry standards
1 Scope
1.1 This Standard specifies the terms and definitions, test samples, test devices, test methods and test determination for static stiffness of commercial vehicle steel wheels.
1.2 This Standard is applicable to 15° drop center steel wheels of commercial vehicle.
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.
GB/T 2933, Wheels and rims for pneumatic tyres - Vocabulary, designation and marking
GB/T 31961, Rims for truck-bus
GB/T 2977, Size designation, dimensions, inflating pressure and load capacity for truck tyres
GB/T 1796.4, Tyre valves - Part 4: Tubeless clamp-in valves
3 Terms and definitions
For the purposes of this document, the terms and definitions defined in GB/T 2933 as well as the followings apply.
3.1 Wheel static stiffness
the ability of the rim, the flange and the bead seat of the wheel to withstand deformation under static conditions after pressurization
6 Test methods
6.1 Installation of inflating valve
6.1.1 The model of inflating valve shall comply with GB/T 1796.4.
6.1.2 Mount the inflating valve on the test wheel. Tighten the inflating valve according to the tightening torque specified in GB/T 1796.4.
6.2 Tire installation
6.2.1 Select the tire according to GB/T 2977. It shall be the tire that is specified by the major machine manufacturer, that is matched with test wheel load.
6.2.2 Mount the tire on the test wheel.
6.2.3 Put the wheel-tire assembly into the safety guard.
6.2.4 Fill the right amount of air pressure into the tire so as to make the tire bead area to completely fit with the wheel rim bead seat.
6.3 Water-filling of tire
6.3.1 Move the wheel-tire assembly outside the safety guard, near the water source. Lay it on the ground. The inflating valve is facing up.
6.3.2 Remove the valve cores of 2 inflating valves. Connect 1 of the inflating valves to the water pipe.
6.3.3 Fill the tire with water. When the inflating valve of the unconnected water pipe overflows, remount the valve core of the inflating valve.
6.4 Tire inflation
6.4.1 Put the wheel-tire assembly into the safety guard.
6.4.2 Inflate the wheel-tire assembly. Use a pressure gauge to monitor the inflating pressure. The boosting speed does not exceed 300kPa/min. When the tire pressure reaches 2.4 times the matching tire pressure to the test wheel load that is specified by the main machine manufacturer or that is regulated in GB/T 2977, stop inflating.
6.4.3 Monitor current air pressure for 3 min.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 22 pages — is available in the English PDF.
Referenced standards
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Related Standards
GB/T 1796.4-2017 — Tyre valves - Part 4: Tubeless clamp-in valves
GB/T 2933-2025 — Vocabulary, designation and marking of wheels and rims for pneumatic tyres
GB/T 2977-2024 — Size designation, dimensions, inflation pressure and load capacity for truck tyres
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QC/T 1092-2018
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