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Cylinder Honing and Transport

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47:01
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At 6:32 in

BluePrint Engines Factory Full Tour & Behind The Scenes: How Does a Crate Engine Get Made?

What happens here

The next stage is cylinder honing, where the piston bores within the engine block are finished. This is achieved using a specialized cylinder hone machine, which uses a rotating and reciprocating tool head in a bath of coolant. The machine ensures a precise cross-hatch pattern and a specific surface finish in each cylinder, which is vital for proper piston ring seating and oil retention. Each block has a unique target for bore size and taper, which the machine precisely achieves. Workers move the blocks using overhead hoist systems.

Goal: Finish cylinder bores to precise specifications for optimal piston performance.

Tools and materials

  • Coolant — Lubrication and cooling during honing
  • Cylinder Hone Machine — Finishing the piston bores with a precise cross-hatch pattern
  • Engine Blocks — Engine blocks requiring cylinder honing
  • Overhead Hoist System — Transporting heavy engine blocks

What they say

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so this is the cylinder hole you can see there's a there's a tool head in there that's rotating and moving up and down and you can see what it's doing here inside of the machine so each block has its own uh targets that they have to hit when they machine and this is the machine that makes sure that that's how they get finished so you can take into account you can put in the amount of stock you need to remove you can make sure that you remove or have the right amount of paper inside of the cylinder so when this is finished we know that it's ready for pistons to be installed what's the actual transportation process from the block from that thing to over here yeah so they will actually grab the block by either the main journal or certain holes here and they can pick it up and transport it and put it inside the machine so once the blocks come in on the pallet the rest of the way it gets lifted and brought all the way down the line from there it gets put on this table so this is that manual walk we saw the robotic washer before so you can see there are two tanks for it so again we're able to combine and minimize the footprint that it takes which allows us to put more equipment in the plant on this side you've got a really hot wash that gets everything loosened up from the process and on the other side you're doing a brush wash and getting the rust for a bit in the bottom so they don't rust as they go through this is where everything comes together to finish that block it won't be machined after this step so what this does is it takes a block that's already been so if we buy one

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