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2 stroke engine

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2 stroke engine Powered By Docstoc
					CONSTRUCTION


                      Cylinder head




                          Gasket cylinder head


                           Cylinder

                         Piston ring
 Conneting rod
                          Piston
       Bearing
                      Piston pin
      Crank pin
                    Gasket cylinder

    Crank shaft
                  Crank case
CONSTRUCTION


               1. CYLINDER HEAD
                Function is :
                  a. Place the combustor
                  b. Place holder spark plug
                  c. as coolant



               2. CILYNDER BODY

                Function is :
                  a. Place the hole rises
                  b. Place of drain
                  c. Place movement piston
                  d . As coolant
CONSTRUCTION

               3. PISTON
                Function is:
                1. Compressing the gas mixture
                2. Accept the results of the burned gas
                   mixture explosion
                3.Membuka and close the hole - hole
                   channel (intake, transfer, rinse, exhaust


               4. PISTON RING
                Function is:
                 a. prevent leakage
                 b. Transferring heat from the piston
                     to silynder.
CONSTRUCTION



               5. PISTON PIN
                Function is :
                Combining with the piston rod conneting
                the top



               6. CONNETING ROD DAN BEARING

                Fungtion is :
                a. To combine the piston with
                    crank shaft
                b. With the bearing swivel movement
                    becomes smoother and smoother
CONSTRUCTION


               7. CRANK SHAFT

                Function is :

                a. Changing up and down motion of
                    the piston into rotary motion
                b. Rotary motion successor


               8. CRANK CASE

                Function is :
                a. The scene of the initial compression
                   (Primary compression)
                b. With the movement of grass bearing
                   becomes smoother and smoother
CLASIFICATION


                1. CYLINDER HEAD
                 A. Clasification by cooling
                 1. Cylinder head with air coolIng
                    - Simple construction
                 2. Cylinder head with liquid cooling
                    -more better cooling

                 B. Classification by the combustor shape

                 1. Dome-shaped combustion chamber
                 2. Taper-shaped combustion chamber
CLASIFICATION


                2. CYLINDER
                  a. Clasification by cooling
                    1. Cylinder with air cooling
                    2. Cylinder with liquid cooling



                  b. Clasification with consctuction
                    1. Types of cast iron cylinder
                    2. Cylindrical type tube
                    3. Plated aluminum cylinder type
                        chrom
CLASIFICATION

                                    3. TIPE OF PISTON
                                       a. Piston without channel entry
                                       b. Piston with revenue channel

                                    4. SHAPE OF PISTON

                                      a. tapering
                                          Diameter of the piston head 1 is smaller than
                                          at the bottom of the 2
                                      b. OVAL
                                          The size of the tube / pin boss 3 is smaller
                                          on the side of 4
                                      c. OFFSET
                                          Central axis of the hole piston did not coincide
Kerucut 2>1        Oval 4>3               with the central axis of the piston shown in
(0.03 ~ 0.05 mm)   (0.1 ~ 0.2 mm)
                                          distance of 5
CLASIFICATION




                5. RING PISTON
                 a. Flat ring type
                     - Flat
                 b. Keystone type ring
                     - Tyre


                6. PIN PISTON
                  a. Full floating type
CLASIFICATION



                7. CONNETING ROD
                   Conneting rod cross-section of
                   (the piston rod) is a rod I




                8. Tipe of chrankshaft
                   a. single cylinder
                   b. double cylinder
CLASIFICATOIN


                9. TIPE- TIPE CRANK CASE

                 a. Type the horizontal parts of the crank case
                 b. Type crank case parts of the vertical




                10 RULES OF OPENING & INSTALLATION

                   -Demolition: Loosen the screws
                     outermost and innermost with
                      crosswise direction.
                   -Installation: Replace bolts deepest
                     then bolt to the outer crosses.
WORKING PRINCIPLE 2 STROKE ENGINE


                            1. When the the piston starts moving up, going
                               suction in the crank case, because the
                               pressure in the crank case is negative, so
                                the gas (Air and fuel from the carburator
                               into the crank case).
    Compression Starting


                             2. Until the room filled crank case
                                by gas (gas and air)




    Secondary Compression
WORKING PRINCIPLE 2 STROKE ENGINE


                          3. The piston moves down to press
                             (Compressing) a mixture of air and
                             gasoline (initial compression)



    Primary Compression
                          4. The piston moves down to encourage
                             air and fuel mixture from the crank
                             case into the cylinder.
                             At the same time, the remaining gas
                             combustion will be driven out of
                             rinsing step in the cylinder occurs

         Scavenging
WORKING PRINCIPLE 2 STROKE ENGINE

                              5. The compression process begins
                                 A number of air mixture - gasoline
                                 will be pushed out through the channel
                                 disposal


    Compression Starting


                            6. Mengkompresikan piston air mixture -
                               gasoline (both compression / secondary
                               compression)



    Secondari Compression
WORKING PRINCIPLE 2 STROKE ENGINE


                    7. Spark plugs that sparked
                       campuranbahan compressed fuel
                       on fire


      Combustion


                    8. Combustion gas flowing out of the cylinder
                       (Disposal)




        Exhaust
    Is a cycle that occurs on 2 stroke engine, which is described by
    Graphs, based on the position angle to the axis of the crank pin Crank shaft.


                                        TMA


                                                                Work
Secunder compretion

          income                                                Primer compretion




                                                                flushing

                                                                disposal

                                        TMB

				
DOCUMENT INFO
Description: 2 stroke engine