1、 Octane check-in manufacturing standards and performance

1. Octane check-in test method: Compliant withGB/T 5487reachGB/T 503Requirements of standardsComply with the requirements of ASTM D2699 and D2700 standards,

Meets the requirements of ISO5163 and ISO5164 standards.

2. Octane check-in standard substance: compliant with GB/T11117.1、GB/T11117.2require

3. Sample types for octane check-in testing: gasoline, n-heptane, isooctane80#Reference fuel, standard (toluene)

4. Octane rating model: a dedicated single cylinder gasoline engine that can continuously change the compression ratio

2、 Octane check-in is in compliance with GB/T 5487reachGB/T 503The experimental method should meet the following operating conditions

1. Engine speed: 900±9change/Minutes (Madafa)

600±6change/Minutes (research method)

2. Ignition advance angle: Variable according to cylinder height (Mazda method)

Fixed before the top dead center13.0° (Research Method)

3. Working temperature:149°C±0.5°CAutomatic maintenance (motor method mixed gas temperature))

52°C±0.5°CAutomatic maintenance (research method mixed gas temperature)

4. Type of crankcase oil:L-EQEGasoline engine oil above grade, viscosity grade30

5. Lubricating oil pressure:0.17-0.21MPa

6. Lubricating oil temperature:（57℃±8℃）

7. Power supply voltage:380±10%VAC，50±1Hz

220±10%VAC，50±1Hz

8. Inhalation humidity:3.56-7.12gwater/ /kgdry air

9. Ignition voltage:12V

10. Spark plug gap:0.51scholar0. 13mm (0.020soil0.005i n)

11. Gap between circuit breakers.：0.51mm(0.020i n)

12. Valve clearance: suction valve0.203mm(0.008in)

Exhaust valve0.203mm(0.008in)