Regulation No 90 of the Economic Commission for Europe of the United Nations ... (42012X0713(02))
INHALT
Regulation No 90 of the Economic Commission for Europe of the United Nations (UN/ECE) — Uniform provisions concerning the approval of replacement brake lining assemblies, drum brake linings and discs and drums for power-driven vehicles and their trailers
- Regulation No 90 of the Economic Commission for Europe of the United Nations (UN/ECE) — Uniform provisions concerning the approval of replacement brake lining assemblies, drum brake linings and discs and drums for power-driven vehicles and their trailers
- 1. SCOPE
- 2. DEFINITIONS
- 2.1. General definitions
- 2.3.1. ‘Original brake disc/brake drum’
- 2.3.3. Replacement parts
- 3. APPLICATION FOR APPROVAL
- 3.4.1.2. Component description
- 3.4.2. Conformity of production
- 3.4.3. Sample quantities and usage
- 4. APPROVAL
- 5. SPECIFICATIONS AND TESTS
- 5.1. General
- 5.2. Requirements regarding the approval of a replacement brake lining assembly type, a replacement drum brake lining type or a replacement drum brake lining
- 5.2.1. Performance requirements
- 5.2.1.1. Replacement brake lining assemblies for vehicles of categories M
- 1
- , M
- 2
- and N
- 1
- 5.2.1.2. Replacement brake lining assemblies and replacement drum brake linings for vehicles of categories M
- 3
- , N
- 2
- and N
- 3
- 5.2.1.3. Replacement brake lining assemblies for vehicles of categories O
- 1
- and O
- 2
- 5.2.1.4. Replacement brake lining assemblies and replacement drum brake linings for vehicles of categories O
- 3
- and O
- 4
- 5.2.1.5. Replacement brake lining assemblies for vehicles of category L
- 5.2.2. Mechanical characteristics
- 5.2.2.1. Replacement brake lining assemblies for vehicles of categories M
- 1
- , M
- 2
- , N
- 1
- , O
- 1
- , O
- 2
- , and L
- 5.2.2.2. Replacement brake lining assemblies and replacement drum brake linings for vehicles of categories M
- 3
- , N
- 2
- , N
- 3
- , O
- 3
- , and O
- 4
- 5.2.2.2.1. Shear strength
- 5.2.2.2.2. Compressibility
- 5.2.2.2.3. Material hardness(5)
- 5.3. Technical requirements regarding the approval of a replacement brake drum or a replacement brake disc
- 5.3.1. Original replacement brake discs/drums
- 5.3.2. Identical brake discs/drums
- 5.3.3. Equivalent replacement discs or drums
- 5.3.3.1. Geometric requirements
- 5.3.3.2. Material and metallurgical requirements
- 5.3.3.3. Performance requirements
- 5.3.4. Interchangeable replacement discs or drums
- 5.3.4.1. Geometric requirements
- 5.3.4.2. Performance requirements
- 5.3.5. Type
- 5.3.5.1. Type criteria for brake discs
- 5.3.5.1.1. Basic design
- 5.3.5.1.2. Material group
- 5.3.5.1.2.1. Cast iron
- 5.3.5.1.2.2. Steel
- 5.3.5.1.2.3. Composite materials
- 5.3.5.1.2.4. Multi-material construction
- 5.3.5.2. Type criteria for brake drums
- 5.3.6. Test group criteria (within the same type)
- 5.3.6.1. Replacement brake discs
- 5.3.6.1.1. Criteria concerning the formation of test groups with regard to replacement brake discs in vehicles belonging to categories M
- 1
- , M
- 2
- , N
- 1
- , N
- 2
- , O
- 1
- and O
- 2
- 5.3.6.1.1.1. Test group relating to the tests stipulated in paragraphs 1 to 4 of Annex 11 or Annex 12
- 5.3.6.1.2. Criteria concerning the formation of test groups with regard to replacement brake discs in vehicles belonging to categories M
- 3
- , N
- 3
- , O
- 3
- and O
- 4
- 5.3.6.1.2.1. Test group relating to the tests stipulated in paragraphs 1 to 4 of Annex 11 or Annex 12
- 5.3.6.2. Replacement brake drums
- 5.3.6.2.1. Criteria concerning the formation of test groups with regard to replacement brake drums in vehicles belonging to categories M
- 1
- , M
- 2
- , N
- 1
- , N
- 2
- , O
- 1
- and O
- 2
- 5.3.6.2.1.1. Test group relating to the tests stipulated in paragraphs 1 to 4 of Annex 11 or Annex 12
- 5.3.6.2.2. Criteria concerning the formation of test groups with regard to replacement brake drums in vehicles belonging to categories M
- 3
- , N
- 3
- , O
- 3
- and O
- 4
- 5.3.6.2.2.1. Test group relating to the tests stipulated in paragraphs 1 to 4 of Annex 11 or Annex 12
- 5.3.7. Scope of assessment with regard to replacement brake discs/drums
- 5.3.7.1. Geometric checks
- 5.3.7.2. Balancing provision
- 5.3.7.3. Assessment of the wear condition of the friction surfaces
- 5.3.7.4. Tests
- 5.3.8. Test report
- 6. PACKAGING AND MARKING
- 6.2. Packaging and marking requirements regarding replacement brake discs or replacement brake drums
- 6.2.2. Marking
- 7. MODIFICATIONS AND EXTENSION OF APPROVAL OF REPLACEMENT PARTS
- 8. CONFORMITY OF PRODUCTION
- 9. PENALTIES FOR NON-CONFORMITY OF PRODUCTION
- 10. PRODUCTION DEFINITIVELY DISCONTINUED
- 11. NAMES AND ADDRESSES OF TECHNICAL SERVICES RESPONSIBLE FOR CONDUCTING APPROVAL TESTS, AND OF TYPE-APPROVAL AUTHORITIES
- 12. TRANSITIONAL PROVISIONS
- ANNEX 1A
- COMMUNICATION
- (Maximum format: A4 (210 × 297 mm))
- ANNEX 1B
- COMMUNICATION
- (maximum format: A4 (210 × 297 mm))
- ANNEX 2
- ARRANGEMENTS OF THE APPROVAL MARK AND APPROVAL DATA
- (See paragraph 4.2 of this Regulation)
- Example of pad assembly marking
- Example of shoe assembly marking
- Example of drum brake lining marking
- ANNEX 3
- REQUIREMENTS FOR REPLACEMENT BRAKE LINING ASSEMBLIES FOR VEHICLES OF CATEGORIES M
- 1
- , M
- 2
- AND N
- 1
- 1. Conformance with Regulation No 13 or 13-H
- 1.1. Vehicle preparation
- 1.1.1. Test Vehicle
- 1.1.2. Bedding (burnishing) procedure
- 1.1.2.1. General conditions
- 1.1.2.2. Procedure
- 1.1.2.3. Performance check
- 1.2.1. Service braking system
- 1.2.2. Secondary braking system
- 1.2.3. Parking braking system
- 2. Additional requirements
- 2.1. Vehicle test (split axle test)
- 2.1.1. Cold performance equivalence test
- 2.1.2. Speed sensitivity test
- 2.2. Inertia dynamometer test
- 2.2.1. Test equipment
- 2.2.2. Test conditions
- 2.2.3. Cold performance equivalence test
- 2.2.4. Speed sensitivity test
- ANNEX 4
- REQUIREMENTS FOR REPLACEMENT BRAKE LINING ASSEMBLIES AND DRUM BRAKE LININGS FOR VEHICLES OF CATEGORIES M
- 3
- , N
- 2
- AND N
- 3
- 1. Vehicle test
- 1.1. Test vehicle
- 1.2. Tests and requirements
- 1.2.1. Conformance with Regulation No 13
- 1.2.1.1.1. Service braking system
- 1.2.1.1.1.1. Type-0 test with engine disconnected, vehicle laden
- 1.2.1.1.1.4. Type-II test
- 1.2.1.1.2. Secondary braking system
- 1.2.1.1.3. Parking braking system
- 1.2.1.1.3.1. Downhill test at 18 per cent gradient, vehicle laden
- 1.2.2. Additional requirements (split axle test)
- 1.2.2.1. Cold performance equivalence test
- 1.2.2.2. Speed sensitivity test
- 2. Inertia dynamometer test
- 2.1. Test equipment
- 2.1.1. Test conditions
- 2.2. Tests and requirements
- 2.2.1. Tests derived from Regulation No 13
- 2.2.1.1. Type-0 test
- 2.2.1.2. Type-0 test, high speed performance
- 2.2.1.3. Type-I test
- 2.2.1.3.1. Heating procedure
- 2.2.1.3.2. Hot performance
- 2.2.1.3.3. Recovery
- 2.2.1.4. Type-II test
- 2.2.1.4.1. Heating procedure
- 2.2.1.4.2. Hot performance
- 2.2.1.5. Static test for parking performance
- 2.2.2. Cold performance equivalence test
- 2.2.3. Speed sensitivity test
- ANNEX 5
- REQUIREMENTS FOR REPLACEMENT BRAKE LINING ASSEMBLIES FOR VEHICLES OF CATEGORIES O
- 1
- AND O
- 2
- 1. General
- 2. Test equipment
- 2.1. Test conditions
- 3. Tests and requirements
- 3.1. Type-0 test
- 3.2. Type-I test
- 3.2.1. Heating procedure
- 3.2.2. Hot performance
- 3.3. Cold performance equivalence test
- ANNEX 6
- REQUIREMENTS FOR REPLACEMENT BRAKE LINING ASSEMBLIES AND DRUM BRAKE LININGS FOR VEHICLES OF CATEGORIES O
- 3
- AND O
- 4
- 1. Test conditions
- 2. Tests and requirements
- 2.1. Conformance with Regulation No 13, Annex 11
- 2.2. Cold performance equivalence test (Type-0)
- ANNEX 7
- REQUIREMENTS FOR REPLACEMENT BRAKE LINING ASSEMBLIES FOR VEHICLES OF CATEGORY L
- 1. Test conditions
- 2. Tests and requirements
- 2.1. Conformance with Regulation No 78
- 2.1.1.1. Type-0 test with engine disconnected
- 2.1.1.2. Type-0 test with engine connected
- 2.1.1.3. Type-0 test with wet brakes
- 2.1.1.4. Type-I test
- 2.2. Additional requirements
- 2.2.1. Cold performance equivalence test
- 2.2.2. Speed sensitivity test
- ANNEX 8
- Technical prescriptions for replacement brake lining assemblies intended for the use in separate parking brake systems being independent of the vehicle service brake system
- 1. Compliance with Regulation No 13 or 13-H
- 1.1. Vehicle test
- ANNEX 9
- SPECIAL ADDITIONAL PROCEDURES FOR CONFORMITY OF PRODUCTION
- PART A
- Determination of friction behaviour by machine testing
- 1. Introduction
- 2. Replacement brake lining assemblies for vehicles of categories M
- 1
- , M
- 2
- , N
- 1
- , O
- 1
- , O
- 2
- , and L
- 2.1. Equipment
- 2.2. Test procedure
- 2.2.1. Sample preparation
- 2.2.2. Test schedule
- 2.2.2.1. Test schedule with constant pressure
- 2.2.2.1.1. Pad assemblies
- 2.2.2.1.2. Shoe assemblies
- 2.2.2.2. Test schedule with constant torque
- 2.3. Evaluation of test results
- 2.3.1. Pad assemblies
- 2.3.2. Shoe assemblies
- 2.4. Acceptance criteria
- 3. Brake lining assemblies and drum brake linings for vehicles of categories M
- 3
- , N
- 2
- , N
- 3
- , O
- 3
- , and O
- 4
- 3.1. Equipment
- 3.2. Test procedure
- 3.2.1. Sample preparation
- 3.2.2. Test schedule
- 3.3. Evaluation of test results
- 3.4. Acceptance criteria
- PART B
- Conformity of production for brake discs and drums
- 1. Introduction
- 2. Requirements
- 2.1. Chemical composition
- 2.2. Microstructure
- 2.3. Mechanical properties
- 2.4. Geometric features
- 2.5. Acceptance criteria
- 2.6. Documentation
- 2.7. Test frequency
- ANNEX 10
- ILLUSTRATIONS
- 1. Brake disc design types (examples)
- Flat type
- Cylinder type
- Pot type
- Conical type
- Double flange type
- 2. Brake drum (example)
- ANNEX 11
- REQUIREMENTS FOR REPLACEMENT BRAKE DISCS OR BRAKE DRUMS FOR VEHICLES OF CATEGORIES M AND N
- 1. Test overview
- 2. Verification of the vehicle test requirements
- 2.1. Test vehicle
- 2.2. Service braking system
- 2.2.1. Type-0 brake tests, engine disconnected, vehicle laden
- 2.2.2. Type-0 brake tests, engine connected, vehicle unladen and laden
- 2.2.3. Type-I brake tests
- 2.2.4. Type-II brake tests
- 2.3. Parking braking system (if required)
- 2.3.2. Static test with 18 per cent gradient, vehicle laden
- 2.4. Testing the dynamic frictional properties (comparison test conducted on the individual axles)
- 2.4.1. Performance comparison test when the brakes are cold
- 3. Inertia dynamometer test
- 3.1. Equipping the dynamometer
- 3.2. Test conditions
- 3.2.1. Inertia mass of the inertia dynamometer
- 3.2.1.1. Dynamic rolling radius
- 3.2.1.2. Test mass
- 3.2.3. Cooling
- 3.2.3.2. Test carried out without a rim
- 3.2.4. Preparation of the brake
- 3.2.4.1. Disc brakes
- 3.2.4.2. Drum brakes
- 3.3. Alternative dynamometer performance test
- 3.4. Service braking system
- 3.4.1. Brake tests Type-0, vehicle laden
- 3.4.2. Brake tests Type-I
- 3.4.3. Brake tests Type-II
- 3.4.4. Brake tests simulation engine connected
- 3.5. Testing the dynamic frictional properties (comparison test conducted on the individual wheel brake)
- 4. Integrity tests using an inertia dynamometer
- 4.1. Brake discs
- 4.1.1. Brake disc thermal fatigue test
- 4.1.1.1. Vehicles of categories M
- 1
- , N
- 1
- 4.1.1.1.1. Test conditions (brake disc thermal fatigue test)
- 4.1.1.1.2. Test programme (brake disc thermal fatigue test)
- 4.1.1.1.3. Test result (brake disc thermal fatigue test)
- 4.1.1.2. Vehicles of categories M
- 2
- , M
- 3
- , N
- 2
- and N
- 3
- 4.1.1.2.1. Test conditions (brake disc thermal fatigue test)
- 4.1.1.2.1.1. Vehicles with a maximum permissible mass > 7,5 t
- 4.1.1.2.1.2. Vehicles with a maximum permissible mass > 3,5 t and ≤ 7,5 t
- 4.1.1.2.2. Test programme (brake disc thermal fatigue test)
- 4.1.1.2.3. Test result (brake disc thermal fatigue test)
- 4.1.2. Brake disc high load test
- 4.1.2.1. Vehicles of categories M
- 1
- , N
- 1
- 4.1.2.1.1. Test conditions (brake disc high load test)
- 4.1.2.1.2. Test programme (brake disc high load test)
- 4.1.2.1.3. Test result (brake disc high load test)
- 4.1.2.2. Vehicles of categories M
- 2
- , M
- 3
- , N
- 2
- and N
- 3
- 4.1.2.2.1. Test conditions (brake disc high load test)
- 4.1.2.2.2. Test programme (brake disc high load test)
- 4.1.2.2.3. Test result (brake disc high load test)
- 4.2. Brake drums
- 4.2.1. Brake drum thermal fatigue test
- 4.2.1.1. Vehicles of categories M
- 1
- and N
- 1
- 4.2.1.1.1. Test conditions (brake drum thermal fatigue test)
- 4.2.1.1.2. Test programme (brake drum thermal fatigue test)
- 4.2.1.1.3. Test result (brake drum thermal fatigue)
- 4.2.1.2. Vehicles of categories M
- 2
- , M
- 3
- , N
- 2
- , N
- 3
- 4.2.1.2.1. Test conditions (brake drum thermal fatigue test)
- 4.2.1.2.1.1. Vehicles with a maximum permissible mass > 7,5 t
- 4.2.1.2.1.2. Vehicles with a maximum permissible mass > 3,5 t and ≤ 7,5 t
- 4.2.1.2.2. Test programme (brake drum thermal fatigue test)
- 4.2.1.2.3. Test result (brake drum thermal fatigue)
- 4.2.2. Brake drum high load test
- 4.2.2.1. Vehicles of categories M
- 1
- and N
- 1
- 4.2.2.1.1. Test conditions (brake drum high load test)
- 4.2.2.1.2. Test programme (brake drum high load test)
- 4.2.2.1.3. Test result (brake drum high load test)
- 4.2.2.2. Vehicles of categories M
- 2
- , M
- 3
- , N
- 2
- and N
- 3
- 4.2.2.2.1. Test conditions (brake drum high load test)
- 4.2.2.2.2. Test programme (brake drum high load test)
- 4.2.2.2.3. Test result (brake drum high load test)
- ANNEX 12
- REQUIREMENTS FOR REPLACEMENT BRAKE DISCS/DRUMS FOR VEHICLES OF CATEGORY O
- 1. Test overview
- 2. Verification of the vehicle test requirements
- 2.1. Test vehicle
- 2.2. Service braking system
- 2.2.1. Type-0 brake tests, vehicle laden
- 2.2.2. Type-I brake tests
- 2.2.3. Type-III brake tests
- 2.3. Parking braking system (if applicable)
- 2.3.2. Static test with 18 per cent gradient, vehicle laden
- 2.4. Testing the dynamic frictional properties (comparison test conducted on the individual axles)
- 2.4.1. Performance comparison test when the brakes are cold
- 3. Inertia dynamometer test
- 3.1. Equipment of the dynamometer
- 3.2. Test conditions
- 3.2.1. Inertia mass of the inertia dynamometer
- 3.2.1.1. Dynamic rolling radius
- 3.2.1.2. Test mass
- 3.2.3. Cooling
- 3.2.3.2. Test carried out without a rim
- 3.2.4. Preparation of the brake
- 3.2.4.1. Disc brakes
- 3.2.4.2. Drum brakes
- 3.3. Alternative dynamometer performance test
- 3.4. Service braking system
- 3.4.1. Brake tests Type-0, vehicle laden
- 3.4.2. Brake tests Type-I
- 3.4.3. Brake tests Type-III
- 3.5. Testing the dynamic frictional properties (comparison test conducted on the individual wheel brake)
- 4. Integrity tests using an inertia dynamometer
- 4.1. Brake discs
- 4.1.1. Brake disc thermal fatigue test
- 4.1.1.1. Vehicles of categories O
- 1
- and O
- 2
- 4.1.1.1.1. Test conditions (brake disc thermal fatigue)
- 4.1.1.1.2. Test programme (brake disc thermal fatigue)
- 4.1.1.1.3. Test result (brake disc thermal fatigue test)
- 4.1.1.2. Vehicles of categories O
- 3
- and O
- 4
- 4.1.1.2.1. Test conditions (brake disc thermal fatigue test)
- 4.1.1.2.1.1. Vehicles with a maximum permissible mass > 7,5 t
- 4.1.1.2.1.2. Vehicles with a maximum permissible mass > 3,5 t and ≤ 7,5 t
- 4.1.1.2.2. Test programme (brake disc thermal fatigue test)
- 4.1.1.2.3. Test result (brake disc thermal fatigue test)
- 4.1.2. Brake disc high load test
- 4.1.2.1. Vehicles of categories O
- 1
- and O
- 2
- 4.1.2.2. Vehicles of categories O
- 3
- and O
- 4
- 4.1.2.2.1. Test conditions (brake disc high load test)
- 4.1.2.2.2. Test programme (brake disc high load test)
- 4.1.2.2.3. Test result (brake disc high load test)
- 4.2. Brake drums
- 4.2.1. Brake drum thermal fatigue test
- 4.2.1.1. Vehicles of categories O
- 1
- and O
- 2
- 4.2.1.1.1. Test conditions (brake drum thermal fatigue test)
- 4.2.1.1.1.1. Vehicles with a maximum permissible axle load ≤ 1 200 kg
- 4.2.1.1.1.2. Vehicles with a maximum permissible axle load > 1 200 kg
- 4.2.1.1.2. Test programme (brake drum thermal fatigue test)
- 4.2.1.1.3. Test result (brake drum thermal fatigue test)
- 4.2.1.2. Vehicles of categories O
- 3
- and O
- 4
- 4.2.1.2.1. Test conditions (brake drum thermal fatigue test)
- 4.2.1.2.1.1. Vehicles with a maximum permissible mass > 7,5 t
- 4.2.1.2.1.2. Vehicles with a maximum permissible mass > 3,5 t and ≤ 7,5 t
- 4.2.1.2.2. Test programme (brake drum thermal fatigue test)
- 4.2.1.2.3. Test result (brake drum thermal fatigue test)
- 4.2.2. Brake drum high load test
- 4.2.2.1. Vehicles of categories O
- 1
- and O
- 2
- 4.2.2.1.1. Test conditions (brake drum high load test)
- 4.2.2.1.2. Test programme (brake drum high load test)
- 4.2.2.1.3. Test result (brake drum high load test)
- 4.2.2.2. Vehicles of categories O
- 3
- and O
- 4
- 4.2.2.2.1. Test conditions (brake drum high load test)
- 4.2.2.2.2. Test programme (brake drum high load test)
- 4.2.2.2.3. Test result (brake drum high load test)
- ANNEX 13
- MODEL TEST REPORT FOR A REPLACEMENT BRAKE DISC/DRUM
- 1. General technical description of a replacement brake disc/drum(1)
- 1.7. Material
- 1.8. Application range
- 1.9. Additional information(2)
- 2. Test groups
- 2.1. Dimensions per test group
- 2.2. Highest ratio of kinetic energy per test group in according to paragraph 5.3.6 of Regulation No 90
- 3. Technical data regarding the tests per test group
- 3.1. Vehicle test
- 3.1.1. Data of the test vehicle
- 3.1.1.11. Test masses
- 3.1.1.12.2. Brake calliper/Brake drum mechanism(1)
- 3.1.1.12.3. Brake pad/Brake lining(1)
- 3.1.2. Test equipment
- 3.1.3. Test track:
- 3.2. Dynamometer test
- 3.2.1. Test data
- 3.2.1.2. Dynamic rolling radius
- 3.2.1.3. Masses and inertia
- 3.2.1.4. Cooling …
- 3.2.1.5. Speed
- 3.2.1.6. Actuation device
- 3.2.1.7. Brake
- 3.2.1.7.1. Test sample brake disc/Brake drum(1)
- 3.2.1.7.2. Brake calliper/Brake drum mechanism(1)
- 3.2.1.7.3. Brake pad/Brake lining(1)
- 4. Record of test results
- 4.5.1. Brake performance
- 4.5.1.1. Service brake performance in the case of categories M, N(2)
- 4.5.1.2. Service brake performance in the case of categories M
- 2
- , M
- 3
- , N
- 2
- , N
- 3
- (2)
- 4.5.1.3. Service brake performance in the case of categories O
- 1
- , O
- 2
- , O
- 3
- (2)
- 4.5.1.4. Service brake performance in the case of categories O
- 4
- (2)
- 4.5.1.6. Dynamic friction properties diagram: deceleration vs pressure
- 5. Test Documents
- 6. Appendices
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