Difference between revisions of "Sand Blaster"

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(Added instructions for using the sand blaster.)
 
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The new sand blaster in the hot shop has been refurbished by Larry Meeks and Steve McHugh.
 
The new sand blaster in the hot shop has been refurbished by Larry Meeks and Steve McHugh.
  
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=== Basic instructions for using the sand blaster: ===
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===Basic instructions for using the sand blaster:===
  
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# Plug in the two cords in the back (this requires crawling behind the sandblaster and plugging in cords on the north-facing wall).  
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#Plug in the two cords in the back of the sand blaster (this requires crawling behind the sand blaster and plugging in cords on the north-facing wall).
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# Connect the air compressor hose to the sand blaster.  
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#Connect the air compressor hose to the sand blaster.
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# Empty the water trap (the plastic jar under the water valve) on the sand blaster.
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#Empty the water trap (the plastic jar under the water valve) on the sand blaster.
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# Plug in the air compressor, unplugging the powder coat oven if necessary.
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#Plug in the air compressor, unplugging the powder coat oven if necessary.
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# Flip both valves on the air compressor.
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#Flip both valves on the air compressor.
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# Turn the switch on the air compressor from Off to Auto.
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#Turn the switch on the air compressor from Off to Auto.
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# Sandblast, using the foot pedal, for up to 20 minutes.  After 20 minutes/releasing the foot peal, all air is exhausted and the air pressure drops below 40 psi. The blaster will automatically shut off the grit flow.  
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#Sandblast, using the foot pedal, for up to 20 minutes.  After 20 minutes/releasing the foot pedal, all air is exhausted and the air pressure drops below 40 psi. The blaster automatically shuts off the grit flow, and the compressor stops running noisily.  
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# The sand blaster needs to be above 40 to maintain the blast, so take a break if necessary and resume.
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#The sand blaster needs to be above 40 to maintain the blast, so take a break if necessary, wait another 20 minutes, and then resume.
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# After using the sand blaster:
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#After using the sand blaster:
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## Drain the water trap.
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##Turn off the air compressor.
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## Sweep grit off the ledge and back into the machine.
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##Disconnected the hose and coil it up.
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##Empty the water trap.
  
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==== Warnings and Cautions ====
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====Warnings and Cautions====
  
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===== Limitations on blasting =====
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=====Limitations on blasting=====
  
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* Blast toward the back of the sand blaster-- not back toward the window, or at the gloves.  
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*Blast toward the back of the sand blaster-- not back toward the window, or at the gloves.  
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** Blasting at the window will break it.
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**Blasting at the window will break it.
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** Blasting at the gloves will wear down the gloves quickly and require replacing them.  
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**Blasting at the gloves will wear down the gloves quickly and require replacing them.
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**Starting and stopping multiple times within a short time period will waste air pressure and give you less blasting time.
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*The turn table must be used appropriately.
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**The turn table is not removable.
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**You can use a tool to anchor an item to the turn table to stabilize it while sand blasting.  
  
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===== Limitations on items =====
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=====Limitations on items=====
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Items used in the sand blaster are limited in size to approximately two feet square.
 
  
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Items to be sand blasted must not have rusty, oily, or greasy buildup-- items that will leave a wet, damp, or sticky residue must be cleaned outside of the sand blaster first.
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* Items used in the sand blaster are limited in size to approximately two feet square.
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* Items to be sand blasted must not have rusty, oily, or greasy buildup or residue, and must be cleaned outside of the sand blaster first.
  
  

Revision as of 18:14, 27 October 2024

The new sand blaster in the hot shop has been refurbished by Larry Meeks and Steve McHugh.

Basic instructions for using the sand blaster:

  1. Plug in the two cords in the back of the sand blaster (this requires crawling behind the sand blaster and plugging in cords on the north-facing wall).
  2. Connect the air compressor hose to the sand blaster.
  3. Empty the water trap (the plastic jar under the water valve) on the sand blaster.
  4. Plug in the air compressor, unplugging the powder coat oven if necessary.
  5. Flip both valves on the air compressor.
  6. Turn the switch on the air compressor from Off to Auto.
  7. Sandblast, using the foot pedal, for up to 20 minutes. After 20 minutes/releasing the foot pedal, all air is exhausted and the air pressure drops below 40 psi. The blaster automatically shuts off the grit flow, and the compressor stops running noisily.
  8. The sand blaster needs to be above 40 to maintain the blast, so take a break if necessary, wait another 20 minutes, and then resume.
  9. After using the sand blaster:
    1. Turn off the air compressor.
    2. Disconnected the hose and coil it up.
    3. Empty the water trap.

Warnings and Cautions

Limitations on blasting
  • Blast toward the back of the sand blaster-- not back toward the window, or at the gloves.
    • Blasting at the window will break it.
    • Blasting at the gloves will wear down the gloves quickly and require replacing them.
    • Starting and stopping multiple times within a short time period will waste air pressure and give you less blasting time.
  • The turn table must be used appropriately.
    • The turn table is not removable.
    • You can use a tool to anchor an item to the turn table to stabilize it while sand blasting.
Limitations on items
  • Items used in the sand blaster are limited in size to approximately two feet square.
  • Items to be sand blasted must not have rusty, oily, or greasy buildup or residue, and must be cleaned outside of the sand blaster first.




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