Merge pull request #99 from iykdw/master

Add Voron docs

Author: iykdw

Syllabi.md

@@ -1,4 +1,4 @@
-# Prusa 3D Printers
+# Voron 3D Printers
 
 <!-- There is no prescribed structure, but here is a suggestion: -->
 
@@ -18,33 +18,49 @@
 ## Startup checks
 * Filament loaded is expected type
 * Bed and hotend can move freely
-* Area around printer is clear
 * Bed is clean and clear
-* Correct nozzle is installed
+* Correct nozzle is installed and enabled in software
+* Air extraction is enabled if necessary
 
 ## Usage
 
 ### Starting the machine
 * The printer should be left powered on and passive. If it is not, check with tools@edinburghhacklab.com that it can be powered on safely.
 * Wipe the bed down with isopropyl alcohol and blue roll. Do not touch the bed after this process has been completed.
-* Select your file using the menu on the printer.
+* Upload your file to the web interface.
+* If changing nozzle:
+    * unload filament
+    * unscrew and remove nozzle
+    * load new nozzle
+    * load filament
+    * edit the `toolhead.cfg` file to enable the correct nozzle
 * Observe the printer begin the print. The first layer should always be watched in case of defects or malfunction.
+**TODO: how do we manage ventilation?**
 
 ### Stopping the machine
 * The printer should stop and cool normally when the print is finished.
-* If the print must be cancelled, do so using the menu. Only cancel your own prints, or the prints of others with their express permission.
-* If the printer begins sounding an alarm, press the `Reset` button on the control panel until it restarts.
+* If the print must be cancelled, do so using the web interface or the menu. Only cancel your own prints, or the prints of others with their express permission.
 
 <!-- incl estops if necessary -->
 
 ### General
 * Keep your hands clear of the heated bed and hotend while prints are in progress to avoid pinching and burns.
+* Be aware of the door state. In general:
+    * PLA, matte PLA, PLA+: open
+    * TPU: open
+    * PETG: either
+    * ABS: closed
+    * ASA: closed
+    * PA: closed
 
 ### Materials
 * Only use the following materials from reputable sellers:
     * PLA (including matte PLA and PLA+)
     * PETG
     * TPU
+    * ABS (with external ventilation)
+    * ASA (with external ventilation)
+    * PA (with external ventilation)
 * Do not use materials if:
     * they have inclusions, such as Glow-In-The-Dark, carbon fibre (CF), or glass fibre (GF)
     * they have previously caused clogs or jams in printers in the lab
@@ -59,6 +75,5 @@
 * Contact tools@edinburghhacklab.com if you encounter any of the following:
     * repeated build failures with the same file, filament and failure mode
     * loud screeching or grinding sounds
-    * alarms necessitating a printer reset
 
 ## Other

syllabuses/G2/Voron 3D Printer/syllabus.md

@@ -0,0 +1,36 @@
+# Mitre Saw
+
+<!-- Each thing below becomes a row in the table - copy it for each risk that's been identified.
+     Please delete all the comments from the final document -->
+
+## A thing that might go wrong
+
+### Severity
+
+<!-- How bad it is if the thing happens. H, M, or L. -->
+H
+
+### Likelihood
+
+<!-- How likely something is, *after* the control measures listed below. H, M, or L. -->
+H
+
+### Risk rating
+
+<!-- If both likelihood and severity are H, this is H
+     If one of likelihood and severity is L, and the other is L or M, this is L
+     Otherwise, this is M -->
+H
+
+### Who may be harmed & how
+
+<!-- Usually some combination of:
+       User
+       Bystander
+       Users of the room
+       The space
+       Following user -->
+
+### Control measures
+
+<!-- Anything that's in here should also be in the syllabus somewhere, to ensure it's actually practised. -->

syllabuses/Workshop/Mitre Saw/risk-assessment.md

@@ -0,0 +1,33 @@
+# Mitre Saw
+
+<!-- There is no prescribed structure, but here is a suggestion: -->
+
+## Safety
+
+### PPE
+
+### Risks
+
+<!-- Usually, all of the control measures in the risk assessment should be mentioned here -->
+
+## Startup checks
+
+## Usage
+
+### Starting the machine
+
+### Stopping the machine
+
+<!-- incl estops if necessary -->
+
+### General
+
+### Materials
+
+### Cleaning up
+
+## Maintenance
+
+### General
+
+## Other

syllabuses/Workshop/Mitre Saw/syllabus.md

@@ -0,0 +1,126 @@
+# Bandsaw
+
+## Injuries due contact with body
+
+### Severity
+
+H
+
+### Likelihood
+
+M
+
+### Risk rating
+
+M
+
+### Who may be harmed & how
+
+- User - the user may be injured by deep cuts on the cutting edge or irritation and abrasion on the other sides
+
+### Control measures
+
+- Signage - standard "moving blades" signage, signage showing required PPE
+- Training - users trained in safe use of bandsaw, instructed to keep hands out of path of the bandsaw
+- Equipment - an emergency stop button is installed, first aid kit available
+
+## Injuries due to kickback
+
+### Severity
+
+M
+
+### Likelihood
+
+M
+
+### Risk rating
+
+M
+
+### Who may be harmed & how
+
+- User - the user may be hit by the substrate propelled by kickback or by the substrate falling.
+- Bystanders - a bystander may be hit by the substrate propelled by kickback
+
+### Control measures
+
+- Signage - signage is displayed showing warnings and PPE for the sander
+- Training - users trained in safe use of bandsaw, instructed on how to decrease risk of kickback
+- Equipment - appropriate closed-toe footwear and eye protection must be worn, first aid kit available
+
+## Hearing damage
+
+### Severity
+
+M
+
+### Likelihood
+
+L
+
+### Risk rating
+
+L
+
+### Who may be harmed & how
+
+- User - the user may sustain damage to hearing due to the loud operation of the bandsaw with some materials
+- Bystander - a bystander may sustain damage to hearing due to the loud operation of the bandsaw with some materials
+
+### Control measures
+
+- Signage - signage indicating high noise levels, recommended PPE, and loud materials are displayed
+- Training - users are instructed to use appropriate PPE, advised which materials may produce loud operation
+- Equipment - users use hearing protection such as ear plugs or ear defenders during operation
+
+## Injury due to airborne particles
+
+### Severity
+
+M
+
+### Likelihood
+
+L
+
+### Risk rating
+
+L
+
+### Who may be harmed & how
+
+- Users of the room - anyone in the room may sustain injury from inhalation or contact with eyes of small particles produced
+  by sawing of the substrate
+
+### Control measures
+
+- Signage - signage particulate hazards and recommended PPE are displayed
+- Extraction - an extraction device is installed to extract particles produced during sanding of substrate
+- Training - users are instructed to wear appropriate PPE
+- Equipment - users must wear appropriate eye protection and an FFP2 (N95) rated respirator or mask, eye wash kit is available
+
+## Body part or clothing is caught in moving parts
+
+### Severity
+
+M
+
+### Likelihood
+
+L
+
+### Risk rating
+
+L
+
+### Who may be harmed & how
+
+- User - the user may experience injuries such as stretch, crush, or pinch injuries and cuts, irritation or abrasion
+  from the blade
+
+### Control measures
+
+- Signage - signage indicating moving parts and pinch points is displayed
+- Training - users are instructed to remove or secure loose clothing and long hair
+- Equipment - an emergency stop button is installed, first aid kit available