Standard No.:	GB/T 8511-2018
English Name:	Vibratory roller
Chinese Name:	振动压路机
Chinese Classification:	P97    Architectural engineering construction machinery
Professional Classification:	GB    National Standard
Issued by:	SAMR and SAC
Issued on:	2018-12-28
Implemented on:	2019-7-1
Status:	valid
Superseding:	GB/T 8511-2005 Vibratory roller
Language:	English
File Format:	PDF
Word Count:	12500 words
Price(USD):	310.0
Delivery:	via email in 1 business day

Codeofchina.com is in charge of this English translation. In case of any doubt about the English translation, the Chinese original shall be considered authoritative. This standard is developed in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 8511-2005 Vibratory roller. In addition to a number of editorial changes, the following technical changes have been made with respect to GB/T 8511-2005: ——The definition of amplitude uniformity is added (see 3.2); ——The product model preparation method is modified (see 4.2; 4.2 of Edition 2005); ——The series and corresponding parameters of roller operating mass are modified (see Tables 1, 2 and 3; Tables 2, 3 and 4 of Edition 2005); ——General requirements are modified (see 5.1; 5.1 of Edition 2005); ——Requirements for the operating mass of rollers are modified (see 5.2.1; 5.2.1 of Edition 2005); ——Requirements for the deviation of vibration frequency are modified (see 5.2.2; 5.2.2 of Edition 2005); ——Requirements for amplitude uniformity are added (see 5.2.2); ——Requirements for drive system are deleted (see 5.2.12 of Edition 2005); ——Requirements for operating force are modified (see 5.2.5; Table 5 of Edition 2005); ——Requirements for lubricating oil are deleted (see 5.2.7 of Edition 2005); ——The solid pollution cleanliness level of hydraulic oil is modified (see 5.2.7; 5.2.6 of Edition 2005); ——Climbing requirements are modified (see 5.2.8; 5.2.8 of Edition 2005); ——The minimum turning diameter is modified (see Table 1; Table 7 of Edition 2005); ——Requirements for oil/water seeping and leakage are modified (see 5.2.11; 5.2.14 of Edition 2005); ——Requirements related to safety and environmental protection are added (see 5.3; 5.3 of Edition 2005); ——Reliability indexes are modified (see 5.4.1; 5.4.1 of Edition 2005); ——Corresponding test methods are modified (see Clause 6; Clause 6 of Edition 2005); ——Table of inspection items is modified (see Table 4; Table 9 of Edition 2005); ——Inspection judgment rules are modified (see 7.4; 7.4 of Edition 2005); ——Requirements for marking, packaging, transportation and storage are modified (see Clause 8; Clause 8 of Edition 2005). This standard was proposed by the China Machinery Industry Federation. This standard is under the jurisdiction of the National Technical Committee on Earth-moving Machinery of Standardization Administration of China (SAC/TC 334). The previous edition of this standard is as follows: ——GB/T 8511-2005. Vibratory roller 1 Scope This standard specifies the terms and definitions, classification, requirements, test methods, inspection rules as well as marking, packaging, transportation and storage of vibratory rollers (hereinafter referred to as rollers). It is applicable to self-propelled, towed and walk-behind rollers. 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 7920.5 Earth-moving machinery - Rollers and landfill compactors - Terminology and commercial specification GB/T 8595 Earth-moving machinery - Operator's controls GB/T 10913 Earth-moving machinery - Determination of ground speed GB/T 14039-2002 Hydraulic fluid power - Fluids - Method for coding the level of contamination by solid particles GB 16710 Earth-moving machinery - Noise limits GB/T 16937 Earth-moving machinery - Operators field of view - Test method and performance criteria GB/T 18148 Earth-moving machinery - Testing method of the compaction performance of rollers and compactors GB/T 18826 1,1,1,2-Tetrafluoroethane (HFC-134a) for industrial use GB/T 20082 Hydraulic fluid power - Fluid contamination - Determination of particulate contamination by the counting method using an optical microscope GB 20178 Earth-moving machinery - Machine safety labels - General principles GB 20891 Limits and measurement methods for exhaust pollutants from diesel engines of non-road mobile machinery (CHINA III, IV) GB/T 21152 Earth-moving machinery - Braking systems of rubber-tyred machines - Systems and performance requirements and test procedures GB/T 22358 Earth-moving machinery - Preservation and storage GB/T 25602 Earth-moving machinery - Machine availability - Vocabulary GB/T 25606 Earth-moving machinery - Product identification numbering system GB/T 25609 Earth-moving machinery - Braking systems of pedestrian-controlled machines - Performance requirements and test procedures GB/T 25614 Earth-moving machinery - Determination of sound power level - Dynamic test conditions GB/T 25615 Earth-moving machinery - Determination of emission sound pressure level at operators position - Dynamic test conditions GB/T 25624 Earth-moving machinery - Operator seat - Dimensions and requirements GB 25684.1 Earth-moving machinery - Safety - Part 1: General requirements GB 25684.13 Earth-moving machinery - Safety - Part 13: Requirements for rollers JB/T 5945 Engineering machinery - General technical specifications for assembling JB/T 5946 Engineering machinery - General technical specifications for paint coating JB/T 5947 Engineering machinery - General technical specifications for packaging JB/T 9725 Earth-moving machinery - Method of type designation JG/T 5076.2 Checking standard for the isolating system of the vibratory rollers ISO 11500 Hydraulic fluid power - Determination of the particulate contamination level of a liquid sample by automatic particle counting using the light-extinction principle 3 Terms and definitions For the purposes of this standard, the terms and definitions specified in GB/T 7920.5 and GB/T 25602 as well as the following ones apply. 3.1 amplitude uniformity ratio of the absolute value of the difference between the amplitudes at both ends of the vibration wheel to the mean value of amplitudes at both ends 4 Classification 4.1 Form According to form, there are self-propelled, towed and walk-behind rollers. 4.2 Model The roller model should be prepared according to JB/T 9725 or by the manufacturer. 4.3 Basic parameters 4.3.1 The basic parameters of self-propelled rollers shall meet those specified in Table 1. Table 1 Basic parameters of self-propelled rollers Item Light type Medium type Heavy type Extra-heavy type Operating mass (m) kg 1 000≤m<6 000 6 000≤m<14 000 14 000≤m<24 000 m≥24 000 Diameter mm 400~1 000 800~1 650 ≥1 500 Width mm 500~1 300 1 100~2 150 ≥2 100 Vibration frequency Hz 33~70 25~70 20~40 Nominal amplitude mm 0.3~1.5 0.3~2.5 0.5~3.5 Exciting force kN ≥14 ≥30 ≥150 Ground clearance mm ≥160 ≥250 ≥355 Maximum running speed km/h ≤15 ≤25 ≤15 Minimum outside turning radius mm ≤6 000 ≤7 500 ≤8 000 Climbing capability % ≥20 4.3.2 The basic parameters of towed rollers shall meet those specified in Table 2. Table 2 Basic parameters of towed rollers Item Basic parameter Operating mass Kg 8 000-30 000 Vibration frequency Hz 20~50 Nominal amplitude mm 0.8~3.5 Exciting force kN 60~1 000 4.3.3 The basic parameters of walk-behind rollers shall meet those specified in Table 3.   Table 3 Basic parameters of walk-behind rollers Item Basic parameter Operating mass kg 200~1 500 Vibration frequency Hz 30~70 Nominal amplitude mm 0.2~2.5 Exciting force kN 10~60 Running speed km/h ≤5 Climbing capability % ≥20 Curb clearance mm ≥75 5 Requirements 5.1 General requirements 5.1.1 The structural arrangement of a roller shall be convenient for use, repair, maintenance and adjustment. 5.1.2 The roller shall be in normal operation under the following conditions: ——ambient temperature: -10℃~+40℃; ——altitude: ≤ 2 000m. 5.1.3 All parts and components that need lubrication shall be equipped with lubrication devices that have reliable function and are easy of maintenance. 5.1.4 The mechanically-driven roller shall be comfortable to operate, e.g., realizing gear shift without clutch pedal. 5.1.5 The self-propelled roller should be equipped with traveling speed display devices. 5.1.6 The electrical system of the self-propelled roller equipped with cab shall have standard power supply interface for vehicles or rechargeable USB interface. 5.1.7 The seat of a roller shall comply with the requirements of GB/T 25624 and should be equipped with devices for adjusting height and rigidity according to weight. 5.1.8 When the roller is towed after the engine flames out, the steering mechanism should be able to change direction. 5.1.9 The fuel tank capacity of a roller with the operating mass of 8 000kg or more shall be able to meet the normal operation for more than 8h. 5.1.10 The assembly quality of a roller shall meet the requirement of JB/T 5945. 5.1.11 The coating quality of a roller shall meet the requirement of JB/T 5946. 5.2 Performance requirements 5.2.1 The operating mass of a roller shall meet those specified in Table 1, 2 or 3, and the allowable deviation shall be ±3% of the design value. 5.2.2 The vibration frequency shall meet those specified in Table 1, 2 or 3, and the allowable deviation shall be ±5% of the design value. The nominal amplitude shall also meet those specified in Table 1, 2 or 3, and the allowable deviation shall be ±10% of the design value. The amplitude uniformity of the vibration wheel shall be less than 10%. 5.2.3 The running speed of a self-propelled or walk-behind roller at each gear shall meet those specified in Table 1 or 3, and the allowable deviation shall be ±5% of the design value. 5.2.4 The vibration damping performance of a roller shall at least meet the requirements of permitted level given in JG/T 5076.2. 5.2.5 Each operating mechanism of a roller shall be light, flexible and reliable in positioning. Its control force shall meet the requirements of GB/T 8595. 5.2.6 The operators field of view of a self-propelled roller shall meet the requirements of GB/T 16937. 5.2.7 The temperature of hydraulic oil in the hydraulic system of a roller shall not exceed 90℃; the solid particle pollution level of the hydraulic oil shall be determined according to -/19/16 specified in GB/T 14039-2002. For the hydraulic system with piston pump, the solid particle pollution level of the hydraulic oil shall be determined according to -/18/15 specified in GB/T 14039-2002. 5.2.8 The self-propelled and walk-behind rollers shall be able to climb over the ramps specified in Tables 1 and 3 when moving at low speed. 5.2.9 When fuel and water are filled in the oil tank and water tank respectively to 2/3 of the tank volume, the force for picking up the frame at the location of traction connection device shall not exceed 250N. 5.2.10 The electrical system circuit of a roller shall be well connected, and the arrangement of all instruments, switches and buttons shall be reasonable to facilitate operation and observation. 5.2.11 The roller shall be free of oil or water seeping and leakage. 5.3 Requirements for safety, environmental protection and energy saving 5.3.1 The roller shall meet the compulsory provisions in GB 25684.1 and GB 25684.13, and implement the recommendatory provisions by reference. 5.3.2 The roller shall be affixed with a safety label which shall meet the requirements of GB 20178. 5.3.3 The braking performance of a self-propelled roller shall meet the requirements of GB/T 21152, and that of a walk-behind roller shall comply with GB/T 25609. 5.3.4 The sound power level of external emission noise of a roller and the sound pressure level of emission noise at the operator position shall meet the requirements of GB 16710. 5.3.5 The limits of exhaust pollutants from the motor of a roller shall meet the requirements of GB 20891. 5.3.6 If the driving cab of a roller is equipped with air conditioner, the air conditioner refrigerant shall meet the requirements of GB/T 18826. 5.4 Requirements for reliability 5.4.1 In the 600h reliability test, the mean time between failures of a roller shall not be less than 230h, and the operational availability shall not be less than 95%. 5.4.2 The reliability test of a roller may also be replaced by a 600h industrial test, and its index shall meet the requirements of 5.4.1.

Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Classification 6 Test methods 7 Inspection rules 8 Marking, packaging, transportation and storage Annex A (Informative) Record form of roller test Annex B (Informative) Evaluation form of general item inspection and test Annex C (Informative) Record form of reliability test Annex D (Normative) Classification table of reliability test failures