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Plasma Table - all cuts have tabs leftover but why ?

Discussion in 'Other Builds' started by Kevl4r, Apr 27, 2021.

  1. Kevl4r

    Kevl4r New
    Builder

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    All jobs have tabs leftover. I use a LEAD 1515 with an powermax 45XP. I have dialed the 45XP recommended settings. (pierce height, cut height, speed, Amps...)

    Below there is an example of my code, when I run this, tabs are left over. Not sure what I am doing wrong. My guts tell me it's between pierce height position and the X/Y move. Maybe I should give more pierce delay and slow the move from pierce height to cut height. (here it's F700) Any incentives ?

    ; GCODE Generated by cam.openbuilds.com on 2021-04-27
    G21 ; mm-mode
    G54; Work Coordinates
    G21; mm-mode
    G90; Absolute Positioning

    ; Operation 0: Plasma: Vector (path inside)
    ; Plasma Kerf: 1.4

    G0 Z10; move to z-safe height
    G0 F1000 X27.4440 Y43.6039
    G38.2 Z-30 F100; Probe
    G10 L20 Z0; Set Z Zero


    G0 Z5.4; Move to Pierce Height
    M3S1000; Tool On
    G4 P0.1; Pierce Delay
    G1 F700 Z3.1000
    G1 F3000 X20.7521 Y43.6039 Z2.5000 S1000
    G1 F3000 X20.7521 Y40.5836 Z2.5000 S1000
    G1 F3000 X27.4440 Y40.5836 Z2.5000 S1000
    G1 F3000 X27.4440 Y43.6039 

Z2.5000 S1000
    M5; Tool Off

    G0 Z10; move to z-safe height
    G0 X82.9463 Y44.1029
    G38.2 Z-30 F100; Probe
    G10 L20 Z0; Set Z Zero
     
  2. Peter Van Der Walt

    Peter Van Der Walt OpenBuilds Team
    Staff Member Moderator Builder Resident Builder

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    Maybe post some pictures, not sure what you mean. Seeing the parts may help us give some tips
     
    #2 Peter Van Der Walt, Apr 27, 2021
    Last edited: Apr 27, 2021
  3. Kevl4r

    Kevl4r New
    Builder

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    Thanks Peter. What I meant is that there were some bits of metal that weren't cut off the part.

    And my intuition was correct. When dialing the Hypertherm Pierce delay of 0.2 s , I had tabs leftover which means the piece wasn't entirely cut.
    Now, I have doubled the recommended amount and now it cuts around my piece without any problems.

    Si if one experience tabs it maybe the pierce delay that is too short. Nothing less nothing more.

    Thanks.
     
    Peter Van Der Walt and sharmstr like this.

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