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Mining: Difference between revisions

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Mining drills are used to automate the extraction of resources. Drills are the first step to automating manufacture, although most resources have to be smelted in a [[furnace]] for further usage.
Mining drills are used to automate the extraction of resources. Drills are the first step to automating manufacture, although most resources have to be smelted in a [[furnace]] for further usage.


== Mining speed formula ==
The rate at which resources are produced is given by:


== Mining Speed Formula ==
  Mining speed / Mining time = Production rate (in resource/sec)
 
Metal and mineral resources have a "mining hardness" rating. The rate at which they are produced is given by:
 
  (Mining power - Mining hardness) * Mining speed / Mining time = Production rate (in resource/sec)


To calculate the time needed for one resource-item use this formula:
To calculate the time needed for one resource-item use this formula:


  Mining time / ((Mining power - Mining hardness) * Mining speed) = Seconds for one resource item
  Mining time * Mining speed = Seconds for one resource item
 
Mining power and speed are functions of the miner while hardness and time are functions of the metal or mineral you are currently mining (you can place a miner over a mixed field).
 
=== Mining By Hand ===
When mining by hand or with a tool such as the [[iron axe]], the formula is modified slightly:
(1 + Mining Speed Modifier) * .6 * (Tool power - Mining hardness) / Mining Time = Production rate (in resource/sec)


This uses a player mining speed of .01 per tick or .6 per second, and their bare hands with no axe uses a Tool power of 1. The Mining Speed Modifier is typically 0, but can be modified via mod or console command.  
Mining speed is a function of the miner while mining time is a function of the metal or mineral you are currently mining (you can place a miner over a mixed field).


See also [http://www.factorioforums.com/forum/viewtopic.php?f=18&t=8370 Calculate Time for production?].
=== Mining by hand ===
When mining by hand, the formula is modified slightly:  
(1 + Mining Speed Modifier) * .5 / Mining time = Production rate (in resource/sec)


=== Infinite resources ===
=== Infinite resources ===
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   Output of unmodified field * ( Number of modules in miner * Bonus from module ) + Output of unmodified field * ( Number of beacons * ( Number of modules * Distribution efficiency ) * Bonus from module + Productivity research bonus + 1 ) = Raw output per second  
   Output of unmodified field * ( Number of modules in miner * Bonus from module ) + Output of unmodified field * ( Number of beacons * ( Number of modules * Distribution efficiency ) * Bonus from module + Productivity research bonus + 1 ) = Raw output per second  


     Raw output per second * (Mining power - Mining hardness) * Mining speed) / Mining time = Production rate (in resource/sec)
     (Raw output per second * Mining speed) / Mining time = Production rate (in resource/sec)


The mining drill or pumpjack will sum the production rate of all tiles below it and show that value in the tooltip.
The mining drill or pumpjack will sum the production rate of all tiles below it and show that value in the tooltip.
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== Drill types ==
== Drill types ==
{| class="wikitable"
{| class="wikitable"
! Item !! Total raw !! Mining power !! Mining speed !! Mining power !! Covered area !!Max health
! Item !! Total raw !! Mining speed !! Mining power !! Covered area !!Max health
|-
|-
| {{imagelink|Hand_icon|Player}} || - || 1 || 0.6 || - || 1 x 1 || 250
| {{imagelink|Hand_icon|Player}} || - || 1 || 0.5 || - || 1 x 1 || 250
|-
|-
| {{Imagelink|Burner mining drill}} || {{Icon|Iron plate|9}} {{icon|stone|5}} || 2.5 || 0.35 || 300 kW ([[Fuel|burner]]) || 2 x 2 || 150
| {{Imagelink|Burner mining drill}} || {{Icon|Iron plate|9}} {{icon|stone|5}} || 0.25 || 300 kW ([[Fuel|burner]]) || 2 x 2 || 150
|-
|-
| {{Imagelink|Electric mining drill}} || {{Icon|Iron plate|23}} {{Icon|Copper plate|4.5}} || 3 || 0.5 || 90 kW ([[Electric system|electric]]) || 5 x 5 || 300
| {{Imagelink|Electric mining drill}} || {{Icon|Iron plate|23}} {{Icon|Copper plate|4.5}} || 0.5 || 90 kW ([[Electric system|electric]]) || 5 x 5 || 300
|-
|-
|}
|}
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! Burner M. Drill
! Burner M. Drill
! Electric M. Drill
! Electric M. Drill
! Electric M. Drill <br> Speed Module 3 x3
! Electric M. Drill <br> Prod. Module 3 x3
! Electric Mining Drill <br> Productivity Module 3 x3 <br> Beacon (Speed Module 3 x2) x8
|-
|-
| '''Power''': 2.5 <br> '''Speed''': 0.35
| '''Speed''': 0.25
| '''Power''': 3.0 <br> '''Speed''': 0.5
| '''Speed''': 0.5
| '''Power''': 3.0 <br> '''Speed''': 1.25
| '''Power''': 3.0 <br> '''Speed''': 0.275 <br> '''Bonus''': +30%
| '''Power''': 3.0 <br> '''Speed''': 2.275 <br> '''Bonus''': +30%
|-
|-
! scope="row" | Iron
! scope="row" | Iron
| Hardness: '''0.9''' <br> Time: '''2'''
| Time: '''1'''
| {{Icon|Iron ore|0.28}} 0.28/sec
| {{Icon|Iron ore|0.25/s}}
| {{Icon|Iron ore|0.53}} 0.525/sec
| {{Icon|Iron ore|0.5/s}}
| {{Icon|Iron ore|1.31}} 1.3125/sec
| {{Icon|Iron ore|0.38}} 0.375375/sec
| {{Icon|Iron ore|3.11}} 3.105375/sec
|-
|-
! scope="row" | Copper
! scope="row" | Copper
| Hardness: '''0.9''' <br> Time: '''2'''
| Time: '''1'''
| {{Icon|Copper ore|0.28}} 0.28/sec
| {{Icon|Copper ore|0.25/s}}
| {{Icon|Copper ore|0.53}} 0.525/sec
| {{Icon|Copper ore|0.5/s}}
| {{Icon|Copper ore|1.31}} 1.3125/sec
| {{Icon|Copper ore|0.38}} 0.375375/sec
| {{Icon|Copper ore|3.11}} 3.105375/sec
|-
|-
! scope="row" | Coal
! scope="row" | Coal
| Hardness: '''0.9''' <br> Time: '''2'''
| Time: '''1'''
| {{icon|coal|0.28}} 0.28/sec
| {{icon|coal|0.25/s}}
| {{icon|coal|0.53}} 0.525/sec
| {{icon|coal|0.5/s}}
| {{icon|coal|1.31}} 1.3125/sec
| {{icon|coal|0.38}} 0.375375/sec
| {{icon|coal|3.11}} 3.105375/sec
|-
|-
! scope="row" | Stone
! scope="row" | Stone
| Hardness: '''0.4''' <br> Time: '''2'''
| Time: '''1'''
| {{icon|stone|0.37}} 0.3675/sec
| {{icon|stone|0.25/s}}
| {{icon|stone|0.65}} 0.65/sec
| {{icon|stone|0.5/s}}
| {{icon|stone|1.63}} 1.625/sec
| {{icon|stone|0.46}} 0.46475/sec
| {{icon|stone|3.84}} 3.84475/sec
|-
|-
! scope="row" | Uranium
! scope="row" | Uranium
| Hardness: '''0.9''' <br> Time: '''4'''
| Time: '''2'''
|  
|  
| {{icon|uranium ore|0.26}} 0.2625/sec
| {{icon|uranium ore|0.25/s}}
| {{icon|uranium ore|0.66}} 0.65625/sec
| {{icon|uranium ore|0.19}} 0.1876875/sec
| {{icon|uranium ore|1.55}} 1.5526875/sec
|-
|-
|}
|}


Unlike most other equipment, mining drills will output resources directly without the need of [[inserter]]s. This includes [[Transport belts]], [[Chests]], other mining drills (makes only sense for [[Burner mining drill]]), [[Furnace]]s, [[Assembling machine]]s etc.
Unlike most other equipment, mining drills will output resources directly without the need of [[inserter]]s. This includes [[transport belts]], [[chests]], other mining drills, [[furnace]]s, [[assembling machine]]s etc.


The above figures are modified by [[Mining productivity (research)|Mining productivity]] technology, which adds to any bonus from productivity modules.
The above figures are modified by [[Mining productivity (research)|Mining productivity]] technology, which adds to any bonus from productivity modules.

Revision as of 19:58, 26 February 2019

Mining drills are used to automate the extraction of resources. Drills are the first step to automating manufacture, although most resources have to be smelted in a furnace for further usage.

Mining speed formula

The rate at which resources are produced is given by:

Mining speed / Mining time = Production rate (in resource/sec)

To calculate the time needed for one resource-item use this formula:

Mining time * Mining speed = Seconds for one resource item

Mining speed is a function of the miner while mining time is a function of the metal or mineral you are currently mining (you can place a miner over a mixed field).

Mining by hand

When mining by hand, the formula is modified slightly:

(1 + Mining Speed Modifier) * .5 / Mining time = Production rate (in resource/sec)

Infinite resources

The output of the unmodified resource is the percentage yield of the tile currently used by the miner.

  Output of unmodified field * ( Number of modules in miner * Bonus from module ) + Output of unmodified field * ( Number of beacons * ( Number of modules * Distribution efficiency ) * Bonus from module + Productivity research bonus + 1 ) = Raw output per second 
   (Raw output per second * Mining speed) / Mining time = Production rate (in resource/sec)

The mining drill or pumpjack will sum the production rate of all tiles below it and show that value in the tooltip.

Drill types

Item Total raw Mining speed Mining power Covered area Max health
Player - 1 0.5 - 1 x 1 250
Burner mining drill.png
Burner mining drill
Iron plate.png
9
Stone.png
5
0.25 300 kW (burner) 2 x 2 150
Electric mining drill.png
Electric mining drill
Iron plate.png
23
Copper plate.png
4.5
0.5 90 kW (electric) 5 x 5 300

Note, that the Burner mining drill covers exactly its size (2x2, the covered area is also 2x2), while the Electric mining drill is one tile bigger (size is 3x3, but covered area is 5x5).

Mining drills can only be placed on resources.

Output

Resource Burner M. Drill Electric M. Drill
Speed: 0.25 Speed: 0.5
Iron Time: 1
Iron ore.png
0.25/s
Iron ore.png
0.5/s
Copper Time: 1
Copper ore.png
0.25/s
Copper ore.png
0.5/s
Coal Time: 1
Coal.png
0.25/s
Coal.png
0.5/s
Stone Time: 1
Stone.png
0.25/s
Stone.png
0.5/s
Uranium Time: 2
Uranium ore.png
0.25/s

Unlike most other equipment, mining drills will output resources directly without the need of inserters. This includes transport belts, chests, other mining drills, furnaces, assembling machines etc.

The above figures are modified by Mining productivity technology, which adds to any bonus from productivity modules.

Burner drill to chest.png Burner drill to furnace.png