SHUNMA 31009 Four-stroke Metal Diesel Internal Combustion Engine Teaching Instrument Physics Experiment Model

SHUNMA 31009 Four stroke Metal Diesel Internal Combustion Engine Teaching Instrument Physics Experiment ModelDescription Brand Name SHUNMAItem Name Diesel Engine ModelModel 31009Weight 1000gSize 18 5 12 5 31 cmMaterial Metal Environmentally Friendly PlasticUse for It is used for the teaching demonstration of the heat engine part in the physics class of the secondary school The design of this instrument has been extensively solicited opinions from relevant departments and several improvements have been made to the original model so as to not only clearly explain the basic working principle of the four stroke single cylinder diesel engine but also be closer to the actual product and better clarify the common single cylinder The main structure of the diesel engine to improve the use effect of the instrument Structure The front of the instrument is a section cut along the longitudinal axis of the cylinder the cylindrical cavity in the middle is the cylinder and the light colored part next to the cylinder represents the section of the cooling water jackets The piston moves up and down in the cylinder The lines on the piston indicate the piston ring and the oil cup The square cavity under the cylinder is the crankcase The front of the cylinder is the crankshaft which is connected to the piston through a connecting rod The rear one is a camshaft with two cams in different positions which push the push rod to move up and down in sequences and control the openi