Question: how to make bga rework machine?
Answer: Step 1: Tools Needed. What you'll need: ... 
Step 2: Let's Start. Roughly measure the lenght of your BGA chip. ... 
Step 3: Make a Clip. Using some iron wire, make a clip like the one shown here, ... 
Step 4: Drink That Soda! ... 
Step 5: Flux It. ... 
Step 6: Tin Solder Helps. ... 
Step 7: Gather the Actors. ... 
Step 8: Time to Heat.