1. 1. How to Make aHow to Make a Small EngineSmall Engine CylinderCylinder HywayUSA.comHywayUSA.com
2. 2. Sand-like Cast of Ports Etc. Hollow parts of internal channels and core will be plugged by this sand-like cast. It will be removed after the metal is poured around and over it.
3. 3. Mould Around Sandy Core Close the mould around the core, ready to pour.
4. 4. Fill Mould Pour in the liquid aluminum.
5. 5. Cool Let the molten aluminum, newly poured into mould, cool.
6. 6. Open the Mould Once solidified and cooled, Open the mould to reveal the newly formed small engine cylinder
7. 7. Remove Cylinder Still hot Lift newly made cylinder out of mould
8. 8. Remove Excess Sand Fill CNC machinist Removes excess sandy material from core
9. 9. CNC Drill out holes of small engine
10. 10. Honing Hone the small engine cylinder
11. 11. Nikasil Plating Nickel Silicon Carbide is harder than steel Improves heat conductivity and engine tolerances Electroplated onto the cylinder bore
12. 12. Inspection Final step Inspect the new small engine cylinder