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  1. #1

    Re: Skyfire CNC owners?

    Hi guys I have some good news for you. The G95 code does work in the Skyfire VMC2 with the EC200 VFD controller. I've tried it at 200, 300, and 400 RPMs while tapping a 1/4"-20 thread and using a Feed rate of .050" F.050 It cut perfectly at all RPMs without changing the Feedrate. Just make sure if you use the G95 before the M29 line of code that you do a G94 after the G80 so it goes back to ipm (inches per minute) mode. G95 is inches per rev (ipr). It will ruin your day if you don't cancel it after tapping. Here's a sample.

    %
    O1040 (TAP TEST 2-25-18)
    (T2 D=0.204 CR=0. TAPER=118DEG - ZMIN=-0.5113 - DRILL)
    (T5 D=0.25 CR=0. - ZMIN=-0.6 - RIGHT HAND TAP)
    N10 G90 G94 G17 G49 G40 G80
    N15 G20
    N20 G28 G91 Z0.
    N25 G90

    (DRILL1)
    N30 T2 M06
    N40 S5620 M03
    N45 G54
    N50 M08
    N60 G00 X0.4033 Y-0.4848
    N65 G43 Z0.4 H02
    N75 G98 G81 X0.4033 Y-0.4848 Z-0.5113 R0.2 F20.
    N80 G80
    N85 G00 Z0.2
    N95 M05
    N100 G28 G91 Z0.
    N105 G90
    N110 G49

    (DRILL2)
    N115 M09
    N120 M01
    N125 T5 M06
    N140 G54
    N145 M08
    N155 G00 X0.4033 Y-0.4848
    N160 G43 Z0.2 H05
    N165 G95
    N170 M29 S300 M03
    N175 G84 X0.4033 Y-0.4848 Z-0.6 R0.2 P0 F.050
    N180 G80
    N182 G94
    N185 G00 Z0.4
    N195 M09
    N200 G28 G91 Z0.
    N205 G49
    N215 M30
    %

  2. #2
    Join Date
    Sep 2016
    Posts
    506

    Re: Skyfire CNC owners?

    Quote Originally Posted by Roadstercycle View Post
    Hi guys I have some good news for you. The G95 code does work in the Skyfire VMC2 with the EC200 VFD controller. I've tried it at 200, 300, and 400 RPMs while tapping a 1/4"-20 thread and using a Feed rate of .050" F.050 It cut perfectly at all RPMs without changing the Feedrate. Just make sure if you use the G95 before the M29 line of code that you do a G94 after the G80 so it goes back to ipm (inches per minute) mode. G95 is inches per rev (ipr). It will ruin your day if you don't cancel it after tapping. Here's a sample.

    %
    O1040 (TAP TEST 2-25-18)
    (T2 D=0.204 CR=0. TAPER=118DEG - ZMIN=-0.5113 - DRILL)
    (T5 D=0.25 CR=0. - ZMIN=-0.6 - RIGHT HAND TAP)
    N10 G90 G94 G17 G49 G40 G80
    N15 G20
    N20 G28 G91 Z0.
    N25 G90

    (DRILL1)
    N30 T2 M06
    N40 S5620 M03
    N45 G54
    N50 M08
    N60 G00 X0.4033 Y-0.4848
    N65 G43 Z0.4 H02
    N75 G98 G81 X0.4033 Y-0.4848 Z-0.5113 R0.2 F20.
    N80 G80
    N85 G00 Z0.2
    N95 M05
    N100 G28 G91 Z0.
    N105 G90
    N110 G49

    (DRILL2)
    N115 M09
    N120 M01
    N125 T5 M06
    N140 G54
    N145 M08
    N155 G00 X0.4033 Y-0.4848
    N160 G43 Z0.2 H05
    N165 G95
    N170 M29 S300 M03
    N175 G84 X0.4033 Y-0.4848 Z-0.6 R0.2 P0 F.050
    N180 G80
    N182 G94
    N185 G00 Z0.4
    N195 M09
    N200 G28 G91 Z0.
    N205 G49
    N215 M30
    %
    Nice, thanks for the heads up. I hope I won't be waiting too much longer for mine.

    How fast does it stop and reverse? Is there much overshoot or all nice and tight?


    Sent from my iPhone using Tapatalk

  3. #3

    Re: Skyfire CNC owners?

    It seems nice and tight but I do not have anything to compare it to. I'm happy.

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