The benefit of the smeltery is that it can be used to create tool components more efficiently, because it doubles the amount of material that can usualy be obtained by smelting ore, including smelting 1 obsidian block (which functions as 1 unit of material on the part builder) into 2 ingots that can each be used as 1 unit of material on the part builder.
- Fill the Lava Tank with buckets of lava.
- Put ores/ingots/blocks of the material in the Smeltery Controller (right-click it).
- Let the Smeltery liquefy the material.
- Empty the liquid metal into a Casting Table or Casting Basin by right-clicking on the faucet. This requires a Seared Faucet to be placed on the Smeltery Drain.
- Let it cool.
You cannot add material to the Smeltery by manually placing them in the space. All materials must be added using the Smeltery Controller.
Tool parts can also be made with the Part Builder, but without the Smeltery, you only get half as much output.
- Make sure to empty your Smeltery after every use completely, because small amounts of previously smelted materials can block your casting tables or casting basins. (they just pour them partially full leaving you with an uninteractible Casting basin/table/cast. To resolve this, smelt in more of the material you are stuck with and fill it up into your stuck basin/table/cast.)
- Materials that do not combine to make an alloy can be smelted whilst another previously smelted material is still in the smeltery. The materials will be dranied off from the bottom of the smeltery first (i.e. in the order in which they were smelted). For example, if there is liquid iron in the smeltery, melting down aluminium will result in two layers of liquid metal.
- With a Hopper and a Chest you can also automatically feed in smeltable materials into the Smeltery Controller. Just make sure to place the hopper while shift clicking one side of the smeltery controller. This is extremely usefull when smelting vast amounts of Materials
- A way to automate the smeltery is to have a redstone signal to the faucet contantly pulsing, causing it to pour. Having a hopper under the casting table (which perferably would have an ingot mould), would take the ingots/ tool heads ETC... out of the casting table, and could either be feeding into a chest directly or lead to a chain of other hoppers.
A Completely Easy Guide to Smeltery Construction
Assembling the smelter is as easy as following the Mighty Smelting book you are automatically given by the game itself once you make all of the Smeltery parts. It will tell you the exact quantities of the items needed to complete a working, basic smeltery. The instructions to create the Smeltery parts are located in the copy of Materials and You that you get at the beginning of the game when you spawn (the tan book, not the red book).
Smeltery construction is easy. It's just a floor and four walls. As an analogy, imagine constructing a building. You must start with a ground level, then you add a first wall layer, and a second wall layer. The smeltery is no different, except there are four requirements.
- There must be a 3x3 area of Seared Bricks acting as the base floor. This space must forever remain open for the Smeltery to function properly. Place no blocks inside this 3x3 area, and remove no blocks from it.
- There must be a Lava Tank in the second layer (which is the first layer of bricks that make up the walls).
- There must be a Smeltery Controller in the second layer (which is the first layer of bricks that make up the walls).
- You must have a Smeltery Drain attached (with a Seared Faucet, and something for it to drain into) if you intend to ever remove the molten ore from the Smeltery.
Other than the few required bricks, you may use any combination of other bricks to fill out the space. Pictured are the bricks used in Smeltery contruction. On the left, the Seared Bricks (which make up the 3x3 floor of the Smeltery). Immediately after that are the Seared Glass and Seared Window blocks, the Lava Tank (required for Smeltery construction), the Casting Basin, a Casting Table, and a Smeltery Drain with Seared Faucet sitting atop another Seared Bricks block.
It is important to note that once you add basins and the outer walls, the footprint of the Smeltery can be as much as 7x7. What's important is that the core 3x3 space remain open, and the floor of that space be Seared Brick blocks.
You can also avoid following all the steps below and simply find any one of the countless Smeltery videos on Youtube, whether it's specific Smeltery construction instructions, or covered as part of a mod spotlight such as those by Direwolf20.
There are four steps in construction. Roll up them sleeves and let's get started!
Step 1. Place the 3x3 ground layer of Seared Bricks. Let's call this the first layer. It's easiest to just sink this into the ground so it's flush with the surface around it. The rest of the Smeltery will be built above this point.
Step 2. Place the second layer. Note that the bricks for the outer wall sit OUTSIDE of the 3x3 Seared Bricks floor. Two pictures provided to show progress of the build. Finish the second layer by placing a Smeltery Controller and a Lava Tank. It does not matter where in the outer wall you place these items; they simply must be present. You will know if you have completed this correctly if the Smeltery Controller begins to show a little Furnace-like fire on the face.
Step 3. Build the third layer. You may use any combination of bricks to do this, but you must include a Smeltery Drain (and Seared Faucet and Casting Table or Casting Basin) so you can draw the molten metal out of the Smeltery.
Done! That's it. Add as many drains as you like, or make the walls entirely out of Seared Window or Seared Glass blocks (making sure that the second layer contains the Lava Tank and the Smeltery Controller!) if it suits your fancy. You can also make the Smeltery as tall as you'd like, and having a taller Smeltery will allow you to smelt more metal at once. Just don't fill in that 3x3 space in the middle!
Some alternate step images and configurations to show Smeltery options.