Plasma Cutter - Hand Cutting Certification: Difference between revisions

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{{Certification|version=0.1.0}}
{{Certification|version=0.1.0}}


== Tool Anatomy ==
=== Tool Anatomy ===


* Parts of the CMS’s Hypertherm Powermax85 plasma cutter are properly identified
* Parts of the CMS’s Hypertherm Powermax85 plasma cutter are properly identified
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*** Gas Pressure Bar
*** Gas Pressure Bar


== Machine Capabilities & Limitations ==
=== Machine Capabilities & Limitations ===


* Student can convey recommended cutting capacities as respective speeds (ipm) for Powermax85.
* Student can convey recommended cutting capacities as respective speeds (ipm) for Powermax85.
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* At 66 A, the arc can remain on for 10 minutes out of 10 (100%).
* At 66 A, the arc can remain on for 10 minutes out of 10 (100%).


== Pre-Operation ==
=== Pre-Operation ===


* Student utilizes proper Personal Protection Gear – safety glasses, welding helmet or glasses, welding gloves, welding jacket (or long sleeves!) No unrestrained long hair and no flowing clothes. Closed-toed shoes are required.
* Student utilizes proper Personal Protection Gear – safety glasses, welding helmet or glasses, welding gloves, welding jacket (or long sleeves!) No unrestrained long hair and no flowing clothes. Closed-toed shoes are required.
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* Student adjusts welding screens to make sure no bystanders can be caught by arc-flash.
* Student adjusts welding screens to make sure no bystanders can be caught by arc-flash.


== Operation ==
=== Operation ===


* Student turn on air compressor AND cooling fan
* Student turn on air compressor AND cooling fan
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* Student demonstrates proper drag-cutting technique
* Student demonstrates proper drag-cutting technique


== Post-Operation ==
=== Post-Operation ===


* Student turns off the fume extractor.
* Student turns off the fume extractor.
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* Student cleans the cutting table and the area around the cutting table.
* Student cleans the cutting table and the area around the cutting table.


== Lockout/Tagout Procedure ==
=== Lockout/Tagout Procedure ===


* Student imparts the following Lockout/Tagout procedure: Tool unplugged and plug wrapped in safe/visible location, tag filled out and posted, front desk and/or Metal Shop Lead notified ([mailto:[email protected] [email protected]])
* Student imparts the following Lockout/Tagout procedure: Tool unplugged and plug wrapped in safe/visible location, tag filled out and posted, front desk and/or Metal Shop Lead notified ([mailto:[email protected] [email protected]])


{{CertificationSignOff}}
{{CertificationSignOff}}

Revision as of 16:50, 25 August 2020

Plasma Cutter - Hand Cutting Certification
Version 0.1.0
Approval Date Draft/NOT APPROVED
Prerequisites
Document/Printout Plasma Cutter - Hand Cutting Certification
Required For Tools/Shops

Training Check-Off List:

Tool Anatomy

  • Parts of the CMS’s Hypertherm Powermax85 plasma cutter are properly identified
    • Torch lead and connector – can take torch lead on and off
    • Work lead, clamp and connector – can install and remove work lead
    • Gas supply line
    • On/Off Switch
    • Operating Mode Switch – can impart different modes
      • Expanded metal
      • Standard cutting and piercing
      • Gouging
      • Lock
    • Status Screen
      • Current setting
      • Fault Icon
      • Fault code
      • Pressure setting
      • Gas Pressure Bar

Machine Capabilities & Limitations

  • Student can convey recommended cutting capacities as respective speeds (ipm) for Powermax85.
  • Student can convey duty cycle limitations with Powermax85:
  • At 85 A, the arc can remain on for 6 minutes out of 10 minutes without causing the unit to overheat (60% duty cycle).
  • At 74 A, the arc can remain on for 8 minutes out of 10 (80%)
  • At 66 A, the arc can remain on for 10 minutes out of 10 (100%).

Pre-Operation

  • Student utilizes proper Personal Protection Gear – safety glasses, welding helmet or glasses, welding gloves, welding jacket (or long sleeves!) No unrestrained long hair and no flowing clothes. Closed-toed shoes are required.
  • Student checks to ensure that work area is safe – No puddles on floor in welding/plasma cutting (handheld) area. Plasma cutting area is free of flammable materials.
  • Student adjusts welding screens to make sure no bystanders can be caught by arc-flash.

Operation

  • Student turn on air compressor AND cooling fan
  • Student turns on the Powermax85, checks the indicators and verifies the following:
  • The green power ON LED on the front of the power supply is illuminated.
  • The Fault LED is not illuminated.
  • No error icons appear in the status screen.
  • Student adjusts the current (amperage) for the specific cutting application.
  • Student turns on the fume extractor and position extraction arm correctly.
  • Student attaches work clamp correctly.
  • Student demonstrates proper drag-cutting technique

Post-Operation

  • Student turns off the fume extractor.
  • Student turns off the plasma cutter.
  • Student turns off air compressor and cooling fan.
  • Student disconnects the work clamp, coil cords and stores neatly.
  • Student return all tools.
  • Student cleans the cutting table and the area around the cutting table.

Lockout/Tagout Procedure

  • Student imparts the following Lockout/Tagout procedure: Tool unplugged and plug wrapped in safe/visible location, tag filled out and posted, front desk and/or Metal Shop Lead notified ([email protected])