The "Run on Less" game aims to reveal how an 8-stage heavy-duty truck and diesel powertrain uses innovative technologies to achieve optimal fuel economy. The competition required drivers to turn their 4.2 km/liter (23.8 liters per 100 km) fuel consumption concept into reality with the help of an efficient engine . It is worth mentioning that the average fuel consumption of Class 8 heavy trucks in the United States is 2.7 km/liter (37 liters per 100 km). As you can imagine, it is not easy to complete this game.
Super Truck with Cummins X15 High Efficiency Series Engine
At the beginning, when the MVT team could easily win the game, what's the secret? Really! The MVT team's car was a super truck equipped with a Cummins X15 engine.
In February 2017, Jimmy Ray, the co-owner of MVT, was invited to participate in the "Run on Less" event. Prior to this, MVT ordered a number of super trucks equipped with Cummins X15 high-efficiency series engines. In order to complete the competition better, MVT went to the Cummins Technology Center for technical assistance.
Cummins “stepped in.†To achieve optimal deployment, Cummins staff contacted MVT suppliers to discuss how to retrofit trucks with existing high-end accessories to achieve optimal fuel economy. The initial configuration of the participating trucks was a 450hp X15 high-efficiency series engine, which was later negotiated by an internal team to determine the final configuration for the calibration of a 400hp X15 engine.
Final configuration for calibrating a 400hp X15 Cummins engine
The calibration parameters of the Cummins X15 are set to match the cruise control and maximize the ADEPTTM advantage, such as SmartCoastTM and SmartTorque2. On this basis, the electronic fuel system has also been used to further increase efficiency. Such as road conditions - speed control, deceleration protection, idle stop and idle speed settings. Of course, professional training for drivers is also one of the reasons why the X15 engine stands out. Through training, drivers learned how to accurately perform this series of operations and fully output the excellent performance of the X15 engine. At the same time, in order to ensure that trucks are in normal driving conditions and the driver is operating in compliance, Cummins engineers and technicians use data loggers to conduct real-time field monitoring and record driving behavior.
Hard work pays off, and in the end, the Cummins data detector shows that the X15 consumes approximately 4.6 mpg (literally 21.7 liters) during a long driving range of 19207.5 kilometers, far exceeding the goal of the game! ?
Through this fuel consumption competition, Cummins has established a close relationship with MVT. MVT is one of the most influential truck fleets in North America. It is gradually replacing its original engine with the Cummins X15 engine, and its "Run on Less" configuration will also be a common configuration in future orders. .
Cylinder assembly accessories refer to all cylinder assembly parts except the piston rod, cylinder tube and tie rods (some cylinders do not have tie rods).
Cylinder assembly accessories include one front cover and one rear cover, one piston, two Y-type piston seals, one hard-wearing ring, one set of magnetic rings (some cylinders do not have magnetic rings), two cylinder seal O-rings, one piston rod sealing ring, one dustproof, two buffer caps, two buffer screws (with O-ring), one piston rod end thread, one piston fixing bolt, 8 fixing bolts, dustproof air inlet and outlet two caps, one piston rod end thread protection cover.Air Cylinder Tube.
Because the different application needs different strokes of air cylinders, for dealers and distributors, storing a large number of cylinders with fixed strokes will occupy a large amount of inventory funds.Pneumatic Cylinder Tube.
However, storing the Pneumatic Cylinder assembly parts can solve this problem very well. When requires different strokes and then temporarily assembling the cylinder accordingly.Air Cylinder Barrel.
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Common cylinder assembly parts include DNC square cylinder series, ISO standard Metalwork series, SI Mickey Mouse type ISO 15552 cylinder series, SC and SU AirTac standard cylinder series, SDA compact cylinder series, and DSN, MA, MAL mini air cylinder series, etc. .
Matters needing attention when assembling the cylinder
For non-professional cylinder manufacturers, we do not recommend self-assembly to avoid problems caused by incorrectly assembling cylinders.
The following points need to be paid attention to when assembling an air cylinder by yourself:
â—† The inner edge of a pneumatic cylinder needs to be chamfered to facilitate the entry of the piston and sealing ring into the cylinder tube.
â—† Before assembling the piston and cylinder, lubricating grease must be applied to the inner wall of the cylinder to reduce the friction between the sealing ring and the inner wall of the air cylinder.Pneumatic Cylinder Barrel.
â—† The edge of the piston rod end also needs to be chamfered to reduce damage to dust and buffer seals.Pneumatic Cylinder.
â—† Because the end of the piston rod has external threads, special attention should be paid when assembling the piston rod and the front end cover. It is necessary to use the end of the piston rod without threads to pass through the gasket. Otherwise, the inner wall of the gasket is easily cut by the threads and resulting in an air leakage.
â—† For the installation of the tie rod cylinder, it is also necessary to pay attention to the position of the tie rod thread, so that there is enough thread space in the fixing bolts of the front and rear end covers to install the cylinder accessories such as CA, CB mounting brackets, FA/FB flange brackets.Cylinder Tube.
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Foshan Weiyingjia Technology Co., Ltd , https://www.wyspneumatic.com