Difference between revisions of "Sandblasting Cabinet"

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[[File:Level_2_badge.png|alt=|left|frameless|100x100px]]
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[[File:Level 2 badge.png|alt=Level 2 badge used at Pikes Peak Makerspace|left|frameless|100x100px|PPM TRAINING REQUIRED]]
  
−
'''The Powder Coating Area within our Metal Shop at Pikes Peak Makerspace consists mostly of Level 2 equipment.'''
+
'''The Powder Coating Area within our Metal Shop at Pikes Peak Makerspace (PPM) consists mostly of Level 2 equipment.'''
  
−
Additional training is required to use our Level 2 equipment.
+
Additional PPM training is required to use any of our Level 2 equipment.
  
−
<span style="color:#FFFFFF; background:#EB4F9C">&nbsp;Metal Shop Area&nbsp;</span> hand tools should be marked with <span style="color:#EB4F9C">'''pink'''</span> tape or paint.
+
All of our Powder Coating Equipment combined occupies about 90 square feet (6'x18').
  
 +
'''Sandblasting Area''' hand tools should be marked with <span style="color:#EB4F9C">'''pink'''</span> tape, paint, or powder coating.
 +
<br>
 +
<br>
 +
{{Template:Contact Us}}
  
−
All our [[Powder Coating Area#Equipment Lists|Powder Coating Equipment]] combined occupies about 90 square feet (6'x18'). It is a small but important part of our 5,500 square foot facility.
+
<p style="padding:0.2em 0.4em;  background:#EB4F9C; color:#FFFFFF; font-size:15%;"> &nbsp; </p>
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<br>
 
 
<br>
 
<br>
 
{{Template:Safety}}
 
{{Template:Safety}}
Line 19: Line 22:
 
*Do not use sandblaster with the door open
 
*Do not use sandblaster with the door open
 
*Using abrasive media with silica without a really good respirator will damage lungs
 
*Using abrasive media with silica without a really good respirator will damage lungs
−
==Sandblasting==
+
<br>
−
===Part prep===
+
<p style="padding:0.2em 0.4em;  background:#EB4F9C; color:#FFFFFF; font-size:15%;"> &nbsp; </p>
 +
 
 +
==Classes==
 +
:PPM announces its [https://www.meetup.com/pikespeakmakerspace/events '''Upcoming events, including classes, on Meetup''']
 +
:To help out in the Powder Coating Area contact us on Slack.
 +
 
 +
== Training ==
 +
'''Links to external sites:'''
 +
:'''[https://www.youtube.com/watch?v=75lMmDsSQB4 Sandblaster Basics] — [https://www.youtube.com/@ericthecarguy EricTheCarGuy] on YouTube'''
 +
:'''[https://www.youtube.com/watch?v=B_n7l3cvqWY Harbor Freight Sandblasting Cabinet Upgrades]'''
  
 +
== Equipment List ==
 +
{| class="wikitable"
 +
|- style="font-weight:bold; text-align:left; font-family:Arial, Helvetica, sans-serif !important; background-color:#EB4F9C; color:#ffffff;"
 +
|Item
 +
|Manufacturer
 +
|Model
 +
Number
 +
|Power
 +
Requirements
 +
|Resources
 +
|-
 +
|'''media blaster'''
 +
'''cabinet'''
 +
|Harbor Freight
 +
|
 +
|
 +
|[https://www.harborfreight.com/40-lb-capacity-floor-abrasive-blast-cabinet-68893.html web page]
 +
|- style="font-weight:bold; text-align:center; font-family:Arial, Helvetica, sans-serif !important; color:#000000;"
 +
|
 +
|
 +
|
 +
|
 +
|
 +
|}
 +
 +
== Sandblasting==
 +
=== Part prep===
 
*Clean all dirt and grease and oil off parts before blasting
 
*Clean all dirt and grease and oil off parts before blasting
 
*Use tape to cover any part that you don’t want to be blasted
 
*Use tape to cover any part that you don’t want to be blasted
 
*Use plugs or bolts to cover holes where you don’t want media to enter
 
*Use plugs or bolts to cover holes where you don’t want media to enter
  
−
===Blast cabinet Prep===
+
=== Blast cabinet Prep===
−
 
 
 
*Check vacuum filter and cyclone before use and empty and clean if needed
 
*Check vacuum filter and cyclone before use and empty and clean if needed
 
*Load abrasive media needed for the job
 
*Load abrasive media needed for the job
Line 33: Line 71:
  
 
===Changing out abrasive media===
 
===Changing out abrasive media===
−
 
+
* Place container under cabinet and open bottom door
−
*Place container under cabinet and open bottom door
+
* Brush off any media left inside on the sides into the container
−
*Brush off any media left inside on the sides into the container
 
 
*Vacuum any media left
 
*Vacuum any media left
 
*Empty cyclone and vacuum and blow out the filter
 
*Empty cyclone and vacuum and blow out the filter
−
* Store abrasive media in an airtight container or throw away if no longer good
+
*Store abrasive media in an airtight container or throw away if no longer good
−
*Close bottom door and poor new media into cabinet through side door, 50lb max
+
* Close bottom door and pour new media into cabinet through side door, 50lb max
−
*Media must be dry
+
* Media must be dry
 
*Put abrasive media tag on cabinet
 
*Put abrasive media tag on cabinet
  
 
===Sandblasting===
 
===Sandblasting===
−
 
+
*Place prepped part into the prepped cabinet and close and latch door
−
* Place prepped part into the prepped cabinet and close and latch door
 
 
*Flip on the power switch to turn on lights and vacuum
 
*Flip on the power switch to turn on lights and vacuum
 
*Use steady side to side movement when blasting
 
*Use steady side to side movement when blasting
Line 51: Line 87:
 
*keep your nozzle at a 60-45 degree angle and aimed in the direction you are moving when blasting
 
*keep your nozzle at a 60-45 degree angle and aimed in the direction you are moving when blasting
 
*If blasting gun sticks on turn off the air and remove the nut on top of the gun, remove the pin and blow out, and reassemble
 
*If blasting gun sticks on turn off the air and remove the nut on top of the gun, remove the pin and blow out, and reassemble
−
* Blow off the part with air before removing it from the cabinet
+
*Blow off the part with air before removing it from the cabinet
  
 
===Abrasive Media===
 
===Abrasive Media===
−
 
 
*Media has a life span
 
*Media has a life span
 
*Some are single-use and some can be reused many times
 
*Some are single-use and some can be reused many times
Line 63: Line 98:
 
*Round media gives a smoother finish
 
*Round media gives a smoother finish
  
−
==='''Application'''===
+
===Application===
−
 
+
====Remove rust and paint====
−
===='''Remove rust and paint'''====
 
 
{| class="wikitable"
 
{| class="wikitable"
 
|+
 
|+
−
!'''Media'''
+
|'''Media'''
−
!'''Description'''
+
|'''Description'''
−
!'''Used For'''
+
|'''Used For'''
−
!'''Hardness'''
+
|'''Hardness'''
−
!'''Shape'''
+
|'''Shape'''
−
!'''PSI'''
+
|'''PSI'''
−
!'''Average Recycle uses'''
+
|'''Average Recycle uses'''
 
|-
 
|-
 
|'''Soda'''[[File:Soda.jpg|alt=Soda|center|frameless|200x200px]]
 
|'''Soda'''[[File:Soda.jpg|alt=Soda|center|frameless|200x200px]]
−
|'''Soda abrasive is from baking soda or bicarbonate of soda. It offers non-destructive cleaning and very popularly usedoperators.'''
+
|Soda abrasive is from baking soda or bicarbonate of soda. It offers non-destructive cleaning and very popularly usedoperators.
−
|'''It is used to remove rust from metals without causing depression or damaging the metal beneath the rough surface.'''
+
|It is used to remove rust from metals without causing depression or damaging the metal beneath the rough surface.
−
|'''2.5'''
+
|2.5
−
|'''Angler'''
+
|Angler
−
|'''70PSI'''
+
|70PSI
−
|'''Single-use'''
+
|Single&#8209;use
 
|-
 
|-
 
|'''Coal Slag / Aluminum Silicate'''[[File:Coal Slag.jpg|alt=Coal Slag|center|frameless|200x200px]]
 
|'''Coal Slag / Aluminum Silicate'''[[File:Coal Slag.jpg|alt=Coal Slag|center|frameless|200x200px]]
−
|'''It is a dispensable abrasive which is a by-product of coal-fired electric power generation plants. It has less dust compared to Copper Slag.'''
+
|It is a dispensable abrasive which is a by-product of coal-fired electric power generation plants. It has less dust compared to Copper Slag.
−
|'''It is often used in open blasting operations in the oil- and shipyard industry and other metal surface treatments.'''
+
|It is often used in open blasting operations in the oil- and shipyard industry and other metal surface treatments.
−
|'''6-7'''
+
|6-7
−
|'''Angler'''
+
|Angler
−
|'''50 PSI'''
+
|50 PSI
−
|'''2-3 times'''
+
|2-3 times
 
|-
 
|-
 
|'''Aluminum Oxide Grit'''[[File:Aluminum Oxide Grit.jpg|alt=Aluminum Oxide Grit|center|frameless|200x200px]]
 
|'''Aluminum Oxide Grit'''[[File:Aluminum Oxide Grit.jpg|alt=Aluminum Oxide Grit|center|frameless|200x200px]]
−
|'''An extremely sharp, long-lasting blasting abrasive that can be recycled many times. It is available in 99.5% pure white grade and commonly standard brown.'''
+
|An extremely sharp, long-lasting blasting abrasive that can be recycled many times. It is available in 99.5% pure white grade and commonly standard brown.
−
|'''It is often used in open blasting operations in the oil- and shipyard industry and other metal surface treatments.'''
+
| It is often used in open blasting operations in the oil- and shipyard industry and other metal surface treatments.
−
|'''6-7'''
+
|6-7
−
|'''Angular'''
+
|Angular
−
|'''90PSI'''
+
|90PSI
−
|'''50 times'''
+
|50 times
 
|-
 
|-
 
|'''Crushed Glass Grit'''[[File:Crushed Glass Grit.jpg|alt=Crushed Glass Grit|center|frameless|200x200px]]
 
|'''Crushed Glass Grit'''[[File:Crushed Glass Grit.jpg|alt=Crushed Glass Grit|center|frameless|200x200px]]
−
|'''Crushed Glass Grit is 100% recycled glass beads and are considered to be eco and health- friendly as it eliminates the presence of airborne carcinogens. It is non-toxic and non-hazardous.'''
+
|Crushed Glass Grit is 100% recycled glass beads and are considered to be eco and health- friendly as it eliminates the presence of airborne carcinogens. It is non-toxic and non-hazardous.
−
|'''This is used in profiling and removal of coatings and surface contamination and can be used around water.'''
+
|This is used in profiling and removal of coatings and surface contamination and can be used around water.
−
|'''5-6'''
+
| 5-6
−
|'''Angular'''
+
|Angular
−
|'''80PSI'''
+
|80PSI
−
|'''15 times'''
+
|15 times
 
|-
 
|-
 
|'''Steel grit'''[[File:Steel Grit.jpg|alt=Steel Grit|center|frameless|200x200px]]
 
|'''Steel grit'''[[File:Steel Grit.jpg|alt=Steel Grit|center|frameless|200x200px]]
−
|'''Softer than Aluminum Oxide Grit but still have a very high hardness quality. It has a very fast stripping action and shot peening applications.'''
+
|Softer than Aluminum Oxide Grit but still have a very high hardness quality. It has a very fast stripping action and shot peening applications.
−
|'''It is commonly used in cleaning, etching and surface preparations.'''
+
|It is commonly used in cleaning, etching and surface preparations.
−
|'''8-9'''
+
|8-9
−
|'''Angler'''
+
|Angler
−
|'''100PSI'''
+
|100PSI
−
|'''100 times'''
+
|100 times
 
|-
 
|-
 
|'''Staurolite'''[[File:Staurolite.jpg|alt=Staurolite|center|frameless|200x200px]]
 
|'''Staurolite'''[[File:Staurolite.jpg|alt=Staurolite|center|frameless|200x200px]]
−
|'''It is a Silicate of Silica and Iron and is generally used to remove thin coatings, rust, and mill scale. Its sub-angular shape is ideal for applications where a minimal surface profile is required.'''
+
|It is a Silicate of Silica and Iron and is generally used to remove thin coatings, rust, and mill scale. Its sub-angular shape is ideal for applications where a minimal surface profile is required.
−
|'''Perfectly used in stripping off surfaces in storage tank & tower construction, structural & plate steel blasting, and steel fabrication.'''
+
|Perfectly used in stripping off surfaces in storage tank & tower construction, structural & plate steel blasting, and steel fabrication.
−
|'''7.0 Mohs'''
+
|7.0 Mohs
−
|'''Sub-angular'''
+
|Sub-angular
 
|
 
|
 
|
 
|
 +
|-
 +
|'''Media'''
 +
|'''Description'''
 +
|'''Used For'''
 +
|'''Hardness'''
 +
|'''Shape'''
 +
|'''PSI'''
 +
|'''Average Recycle uses'''
 
|}
 
|}
  
−
==='''Application'''===
+
===Application===
−
 
+
====Polish and paint prep====
−
===='''Polish and paint prep'''====
 
 
{| class="wikitable"
 
{| class="wikitable"
 
|+
 
|+
−
!'''Media'''
+
|'''Media'''
−
!'''Description'''
+
|'''Description'''
−
!'''Used For'''
+
|'''Used For'''
−
!'''Hardness'''
+
|'''Hardness'''
−
!'''Shape'''
+
|'''Shape'''
−
!'''PSI'''
+
|'''PSI'''
−
!'''Average Recycle uses'''
+
|'''Average Recycle uses'''
 
|-
 
|-
 
|'''Glass Bead'''[[File:Glass Bead.jpg|alt=Glass Bead|center|frameless|200x200px]]
 
|'''Glass Bead'''[[File:Glass Bead.jpg|alt=Glass Bead|center|frameless|200x200px]]
−
|'''Glass Beads are manufactured into preformed ball shapes which is very effective in leaving very smooth surfaces. It produces super smooth and brighter finish compared to angular.'''
+
|Glass Beads are manufactured into preformed ball shapes which is very effective in leaving very smooth surfaces. It produces super smooth and brighter finish compared to angular.
−
|'''Commonly used for automotive restoration, stainless steel fabrication, polishing of castings and light deburring of metal molds and parts.'''
+
|Commonly used for automotive restoration, stainless steel fabrication, polishing of castings and light deburring of metal molds and parts.
−
|'''6'''
+
|6
−
|'''Round'''
+
|Round
−
|'''80PSI'''
+
|80PSI
−
|'''30 times'''
+
|30 times
 
|-
 
|-
 
|'''Steel shot'''[[File:Steel shot.jpg|alt=Steel shot|center|frameless|200x200px]]
 
|'''Steel shot'''[[File:Steel shot.jpg|alt=Steel shot|center|frameless|200x200px]]
−
|'''Steel Shot is manufactured into spherical pellet-type abrasive made from carbon steel. It often produces a very smooth surface after use.'''
+
|Steel Shot is manufactured into spherical pellet-type abrasive made from carbon steel. It often produces a very smooth surface after use.
−
|'''Steel shot abrasive is often used in cleaning and polishing metal surfaces and parts in automotive, aerospace, construction, foundry, shipbuilding, rail, and more.'''
+
|Steel shot abrasive is often used in cleaning and polishing metal surfaces and parts in automotive, aerospace, construction, foundry, shipbuilding, rail, and more.
−
|'''40-51 HRC'''
+
| 40-51 HRC
−
|'''Spherical'''
+
|Spherical
−
|'''130PSI'''
+
|130PSI
−
|'''100&nbsp;times'''
+
|100&nbsp;times
 
|-
 
|-
 
|'''Steel Grit'''[[File:Steel Grit.jpg|alt=Steel shot|center|frameless|200x200px]]
 
|'''Steel Grit'''[[File:Steel Grit.jpg|alt=Steel shot|center|frameless|200x200px]]
−
|'''Softer than Aluminum Oxide Grit but still have a very high hardness quality. It has a very fast stripping action and shot peening applications.'''
+
|Softer than Aluminum Oxide Grit but still have a very high hardness quality. It has a very fast stripping action and shot peening applications.
−
|'''It is commonly used in cleaning, etching and surface preparations.'''
+
|It is commonly used in cleaning, etching and surface preparations.
−
|'''40-65 HR'''
+
|40-65 HR
−
|'''Angular'''
+
|Angular
 
|
 
|
 
|
 
|
 
|-
 
|-
 
|'''Corn cob grit'''[[File:Corn cob grit.jpg|alt=Corn cob grit|center|frameless|200x200px]]
 
|'''Corn cob grit'''[[File:Corn cob grit.jpg|alt=Corn cob grit|center|frameless|200x200px]]
−
|'''Corn Cob Grit is an organic, soft and natural abrasive from hard cob. It is tumbling and absorbent that dries surfaces. Corn cob grit is non-toxic and safe for operators.'''
+
|Corn Cob Grit is an organic, soft and natural abrasive from hard cob. It is tumbling and absorbent that dries surfaces. Corn cob grit is non-toxic and safe for operators.
−
|'''It is best used on wood surfaces and does not create any damage on the treated surface. It is used in oily and moist surfaces that quickly absorbs it while finishing rough parts.'''
+
|It is best used on wood surfaces and does not create any damage on the treated surface. It is used in oily and moist surfaces that quickly absorbs it while finishing rough parts.
−
|'''4-4.5'''
+
|4-4.5
−
|'''Ground, Angular shape'''
+
|Ground, Angular shape
 
|
 
|
 
|
 
|
 
|-
 
|-
 
|'''Walnut shell grit'''[[File:Walnut shell grit.jpg|alt=Walnut shell grit|center|frameless|200x200px]]
 
|'''Walnut shell grit'''[[File:Walnut shell grit.jpg|alt=Walnut shell grit|center|frameless|200x200px]]
−
|'''It is a very versatile soft abrasive, organic and biodegradable. Same as corn cob, it is non-toxic and impose no hazard on health.'''
+
|It is a very versatile soft abrasive, organic and biodegradable. Same as corn cob, it is non-toxic and impose no hazard on health.
−
|'''It is best used on wood surfaces and does not create any damage on the treated surface. It is used in oily and moist surfaces that quickly absorbs it while finishing rough parts.'''
+
|It is best used on wood surfaces and does not create any damage on the treated surface. It is used in oily and moist surfaces that quickly absorbs it while finishing rough parts.
−
|'''4.5-5'''
+
|4.5-5
−
|'''Angler'''
+
|Angler
−
|'''70 PSI'''
+
|70 PSI
−
|'''4-5 times'''
+
|4-5 times
 
|-
 
|-
 
|'''Copper Slag / Iron Silicate'''[[File:Copper Slag.jpg|alt=Copper Slag|center|frameless|200x200px]]
 
|'''Copper Slag / Iron Silicate'''[[File:Copper Slag.jpg|alt=Copper Slag|center|frameless|200x200px]]
−
|'''In contrast to its name, it contains almost no copper. It is refered to as the best abrasive to use when ranked on cutting speed and cost per sq. ft.'''
+
|In contrast to its name, it contains almost no copper. It is referred to as the best abrasive to use when ranked on cutting speed and cost per sq. ft.
−
|'''It comes in extra fine grade abrasive that is used for surface blast-cleaning carpets, plastic and wood.'''
+
|It comes in extra fine grade abrasive that is used for surface blast-cleaning carpets, plastic and wood.
−
|'''7'''
+
|7
−
|'''Angular'''
+
|Angular
−
|'''50 PSI'''
+
|50 PSI
−
|'''2-3 times'''
+
|2-3 times
 
|-
 
|-
 
|'''Garnet'''[[File:Garnet.jpg|alt=Garnet|center|frameless|200x200px]]
 
|'''Garnet'''[[File:Garnet.jpg|alt=Garnet|center|frameless|200x200px]]
−
|'''Garnet is a natural silicate mineral deposit. It has a high stripping rate, very low dust and the lowest consumption rate.'''
+
|Garnet is a natural silicate mineral deposit. It has a high stripping rate, very low dust and the lowest consumption rate.
−
|'''Mainly used for wet or dry sandblasting and offers an excellent coating preparation and adhesion properties.'''
+
|Mainly used for wet or dry sandblasting and offers an excellent coating preparation and adhesion properties.
−
|'''6.5 - 7.5'''
+
|6.5 - 7.5
−
|'''Angular to Subangul'''
+
|Angular to Subangul
−
|'''60PSI'''
+
|60PSI
−
|'''4-5 times'''
+
| 4-5 times
 
|-
 
|-
 
|'''Plastic Urea'''[[File:Plastic Urea.jpg|alt=Plastic Urea|center|frameless|200x200px]]
 
|'''Plastic Urea'''[[File:Plastic Urea.jpg|alt=Plastic Urea|center|frameless|200x200px]]
−
|'''Environmentally friendly and recyclable plastic high strip rate for sensitive parts.'''
+
|Environmentally friendly and recyclable plastic high strip rate for sensitive parts.
−
|'''used for applications such as auto and aircraft restoration to deliver an efficient strip rate without damage or warping of the substrate.'''
+
|used for applications such as auto and aircraft restoration to deliver an efficient strip rate without damage or warping of the substrate.
−
|'''3.5'''
+
|3.5
−
|'''Angular'''
+
| Angular
−
|'''70PSI'''
+
|70PSI
−
|'''4-5 times'''
+
|4-5 times
 +
|-
 +
|'''Media'''
 +
|'''Description'''
 +
|'''Used For'''
 +
|'''Hardness'''
 +
|'''Shape'''
 +
|'''PSI'''
 +
|'''Average Recycle uses'''
 
|}
 
|}
−
<br>
+
 
−
<hr>
+
==Related Pages==
 +
'''Links to related PPM Wiki pages:'''
 +
:[[Metal_Shop|<span style="color:#FFFFFF; background:#EB4F9C">&nbsp;&nbsp;'''Metal Shop'''&nbsp;&nbsp;</span>]]
 +
:[[Metal_Shop — CNC SHOPMASTER|<span style="color:#FFFFFF; background:#EB4F9C">&nbsp;&nbsp;'''Metal Shop — CNC SHOPMASTER'''&nbsp;&nbsp;</span>]]
 +
:[[Powder_Coating_Area|<span style="color:#FFFFFF; background:#EB4F9C">&nbsp;&nbsp;'''Metal Shop — Powder Coating'''&nbsp;&nbsp;</span>]]
 +
:[[Welding_Area|<span style="color:#FFFFFF; background:#EB4F9C">&nbsp;&nbsp;'''Metal Shop — Welding Area'''&nbsp;&nbsp;</span>]]
 +
 
 +
:[[Wood_Shop|<span style="color:#FFFFFF; background:#3DA942">&nbsp;&nbsp;'''Wood Shop'''&nbsp;&nbsp;</span>]]
 +
 
 +
==Additional Help==
 +
:Use the PPM Slack channel #metal-shop
 +
:[[How To Slack#Channel Names and Descriptions|'''List of all PPM Slack channels''']]
 +
:Note that we have a Slack channel (#job-board) for members to post, discuss, or accept job opportunities either within PPM or from the&nbsp;community.
 
{{Template:Footer}}
 
{{Template:Footer}}
 +
{{Template:Ideas into reality}}
 +
<p style="padding:0.2em 0.4em;  background:#EB4F9C; color:#FFFFFF; font-size:15%;"> &nbsp; </p>
 +
<!--Metalshop Woodshop-->

Latest revision as of 03:11, 17 November 2024

Level 2 badge used at Pikes Peak Makerspace

The Powder Coating Area within our Metal Shop at Pikes Peak Makerspace (PPM) consists mostly of Level 2 equipment.

Additional PPM training is required to use any of our Level 2 equipment.

All of our Powder Coating Equipment combined occupies about 90 square feet (6'x18').

Sandblasting Area hand tools should be marked with pink tape, paint, or powder coating.

Contact Us if you cannot find your answer here on our Wiki or if you notice any information that is outdated.

 


Safety First

Members must know the following information:

In case of emergency, call 911.
Our physical location is:
735 East Pikes Peak Avenue
Colorado Springs, CO 80903
use this when ordering pizza or an ambulance
  • Emergency sign

    IN CASE OF
    EMERGENCY
    sign

PPM Fire Escape Plan

Fire Escape Plan maps are posted throughout the Makerspace.
There are 7 fire extinguishers on the fire escape plan map. Review the PPM Fire Escape Plan for locations.
  • PPM Emergency Evacuation Plan 040721

    PPM Emergency
    Evacuation Plan.pdf

  • PPM Fire Prevention Plan 0407022

    PPM Fire
    Prevention Plan.pdf

  • PPM Fire Escape Plan

    PPM Fire Escape
    Plan

First Aid

There is a FIRST AID Supply Cabinet in our Kitchen Area.
FIRST AID Kits are available in four areas: the Kitchen, Metal Shop, Wood Shop and CNC Room.
  • FIRST AID Supply Cabinet

    FIRST AID
    Supply Cabinet

  • FIRST AID kit

    FIRST AID
    Kit

Eye Wash Stations

Emergency Eye & Face Wash Stations are mounted in four areas: the Kitchen, Wood Shop, CNC Room and Vented Room.
  • EMERGENCY EYE & FACE WASH STATION

    Emergency
    Eye & Face Wash
    Station

Personal Protective Equipment (PPE)

Wear protective equipment in all Wood and Metal Shop Areas.
Wear gloves when using Isopropyl Alcohol and other cleaners.
  • SAFETY GOGGLES

    Personal Protective Equipment (PPE)

Hazardous Chemicals

All hazardous chemicals must be stored in the yellow hazardous chemical storage cabinet located in the Vented Room.
Review the Safety Data Sheet (SDS) information of unknown products before use.
SDS information is available via the QR code on the hazardous chemical storage cabinet or this spreadsheet.
Do not bring dangerous chemicals to the makerspace.
Spray paint, stains, and other approved items must be stored in the hazardous chemical storage cabinet in the Vented Room.
Please DO NOT paint indoors.
  • flammables cabinet

    Flammables Cabinet
    in the Vented Room



Impairment

The use of PPM equipment requires you to be alert, attentive, and focused.
Do not use any PPM work area, or any PPM tools, if you are under the influence of drugs or alcohol.

Sandblasting Safety

  • Wear respirator
  • Wear eye protection
  • Do not use sandblaster with the door open
  • Using abrasive media with silica without a really good respirator will damage lungs


 

Classes

PPM announces its Upcoming events, including classes, on Meetup
To help out in the Powder Coating Area contact us on Slack.

Training

Links to external sites:

Sandblaster Basics — EricTheCarGuy on YouTube
Harbor Freight Sandblasting Cabinet Upgrades

Equipment List

Item Manufacturer Model

Number

Power

Requirements

Resources
media blaster

cabinet

Harbor Freight web page

Sandblasting

Part prep

  • Clean all dirt and grease and oil off parts before blasting
  • Use tape to cover any part that you don’t want to be blasted
  • Use plugs or bolts to cover holes where you don’t want media to enter

Blast cabinet Prep

  • Check vacuum filter and cyclone before use and empty and clean if needed
  • Load abrasive media needed for the job
  • Set correct psi for the abrasive media loaded

Changing out abrasive media

  • Place container under cabinet and open bottom door
  • Brush off any media left inside on the sides into the container
  • Vacuum any media left
  • Empty cyclone and vacuum and blow out the filter
  • Store abrasive media in an airtight container or throw away if no longer good
  • Close bottom door and pour new media into cabinet through side door, 50lb max
  • Media must be dry
  • Put abrasive media tag on cabinet

Sandblasting

  • Place prepped part into the prepped cabinet and close and latch door
  • Flip on the power switch to turn on lights and vacuum
  • Use steady side to side movement when blasting
  • DO NOT stop and blast in one concentrated area for any long period of time as it can warp thinner panels and remove too much material on some surfaces
  • keep your nozzle at a 60-45 degree angle and aimed in the direction you are moving when blasting
  • If blasting gun sticks on turn off the air and remove the nut on top of the gun, remove the pin and blow out, and reassemble
  • Blow off the part with air before removing it from the cabinet

Abrasive Media

  • Media has a life span
  • Some are single-use and some can be reused many times
  • Using the right media for the part and correct PSI can extend the lifespan of media
  • Used media is like used sandpaper and loses effectiveness the more that it is used
  • If blasting is starting to take longer it is time to replace media
  • Harder and round media last longer
  • Round media gives a smoother finish

Application

Remove rust and paint

Media Description Used For Hardness Shape PSI Average Recycle uses
Soda
Soda
 Soda abrasive is from baking soda or bicarbonate of soda. It offers non-destructive cleaning and very popularly usedoperators. It is used to remove rust from metals without causing depression or damaging the metal beneath the rough surface. 2.5 Angler 70PSI Single‑use
Coal Slag / Aluminum Silicate
Coal Slag
 It is a dispensable abrasive which is a by-product of coal-fired electric power generation plants. It has less dust compared to Copper Slag. It is often used in open blasting operations in the oil- and shipyard industry and other metal surface treatments. 6-7 Angler 50 PSI 2-3 times
Aluminum Oxide Grit
Aluminum Oxide Grit
 An extremely sharp, long-lasting blasting abrasive that can be recycled many times. It is available in 99.5% pure white grade and commonly standard brown. It is often used in open blasting operations in the oil- and shipyard industry and other metal surface treatments. 6-7 Angular 90PSI 50 times
Crushed Glass Grit
Crushed Glass Grit
 Crushed Glass Grit is 100% recycled glass beads and are considered to be eco and health- friendly as it eliminates the presence of airborne carcinogens. It is non-toxic and non-hazardous. This is used in profiling and removal of coatings and surface contamination and can be used around water. 5-6 Angular 80PSI 15 times
Steel grit
Steel Grit
 Softer than Aluminum Oxide Grit but still have a very high hardness quality. It has a very fast stripping action and shot peening applications. It is commonly used in cleaning, etching and surface preparations. 8-9 Angler 100PSI 100 times
Staurolite
Staurolite
 It is a Silicate of Silica and Iron and is generally used to remove thin coatings, rust, and mill scale. Its sub-angular shape is ideal for applications where a minimal surface profile is required. Perfectly used in stripping off surfaces in storage tank & tower construction, structural & plate steel blasting, and steel fabrication. 7.0 Mohs Sub-angular
Media Description Used For Hardness Shape PSI Average Recycle uses

Application

Polish and paint prep

Media Description Used For Hardness Shape PSI Average Recycle uses
Glass Bead
Glass Bead
 Glass Beads are manufactured into preformed ball shapes which is very effective in leaving very smooth surfaces. It produces super smooth and brighter finish compared to angular. Commonly used for automotive restoration, stainless steel fabrication, polishing of castings and light deburring of metal molds and parts. 6 Round 80PSI 30 times
Steel shot
Steel shot
 Steel Shot is manufactured into spherical pellet-type abrasive made from carbon steel. It often produces a very smooth surface after use. Steel shot abrasive is often used in cleaning and polishing metal surfaces and parts in automotive, aerospace, construction, foundry, shipbuilding, rail, and more. 40-51 HRC Spherical 130PSI 100 times
Steel Grit
Steel shot
 Softer than Aluminum Oxide Grit but still have a very high hardness quality. It has a very fast stripping action and shot peening applications. It is commonly used in cleaning, etching and surface preparations. 40-65 HR Angular
Corn cob grit
Corn cob grit
 Corn Cob Grit is an organic, soft and natural abrasive from hard cob. It is tumbling and absorbent that dries surfaces. Corn cob grit is non-toxic and safe for operators. It is best used on wood surfaces and does not create any damage on the treated surface. It is used in oily and moist surfaces that quickly absorbs it while finishing rough parts. 4-4.5 Ground, Angular shape
Walnut shell grit
Walnut shell grit
 It is a very versatile soft abrasive, organic and biodegradable. Same as corn cob, it is non-toxic and impose no hazard on health. It is best used on wood surfaces and does not create any damage on the treated surface. It is used in oily and moist surfaces that quickly absorbs it while finishing rough parts. 4.5-5 Angler 70 PSI 4-5 times
Copper Slag / Iron Silicate
Copper Slag
 In contrast to its name, it contains almost no copper. It is referred to as the best abrasive to use when ranked on cutting speed and cost per sq. ft. It comes in extra fine grade abrasive that is used for surface blast-cleaning carpets, plastic and wood. 7 Angular 50 PSI 2-3 times
Garnet
Garnet
 Garnet is a natural silicate mineral deposit. It has a high stripping rate, very low dust and the lowest consumption rate. Mainly used for wet or dry sandblasting and offers an excellent coating preparation and adhesion properties. 6.5 - 7.5 Angular to Subangul 60PSI 4-5 times
Plastic Urea
Plastic Urea
 Environmentally friendly and recyclable plastic high strip rate for sensitive parts. used for applications such as auto and aircraft restoration to deliver an efficient strip rate without damage or warping of the substrate. 3.5 Angular 70PSI 4-5 times
Media Description Used For Hardness Shape PSI Average Recycle uses

Related Pages

Links to related PPM Wiki pages:

  Metal Shop  
  Metal Shop — CNC SHOPMASTER  
  Metal Shop — Powder Coating  
  Metal Shop — Welding Area  
  Wood Shop  

Additional Help

Use the PPM Slack channel #metal-shop
List of all PPM Slack channels
Note that we have a Slack channel (#job-board) for members to post, discuss, or accept job opportunities either within PPM or from the community.

Search the PPM Wiki — include Content pages as well as Multimedia.

Contact Us if you cannot find your answer here on our Wiki or if you notice any information that is outdated.

Pikes Peak Makerspace (PPM) is dedicated to supporting our maker community in their creative processes by providing shared space, shared tools, materials, software, and a knowledge base to turn their ideas into reality.

 

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