index A with strange feed rate for VERTICAL MILL 4TH AXIS

[PcRobotic]

Hi,

  I'm using index to test my post and some how I have very strange feed rate. Please help....

 

 

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N3( 5/16 FLAT ENDMILL)G0 G17 G40 G49 G80 G90 Z0T3 M6(, CUT#1)G90 G54 A-47.542X1.3499 Y0. S1711 M3G43 H3 Z3.6929(DOC= Z-.5)Z1.8929G1 Z1.6429 F10.X1.3474 A-47.574 F121.78X1.3438 A-47.626 F133.8X1.3406 A-47.677 F143.83X1.3371 A-47.737X1.3337 A-47.8 F163.29X1.3304 A-47.866 F174.45X1.3272 A-47.936 F185.85X1.3241 A-48.009X1.3211 A-48.085 F204.71X1.3182 A-48.164X1.3153 A-48.247 F222.48X1.3125 A-48.336 F233.59X1.3099 A-48.421X1.3072 A-48.517 F250.48X1.3047 A-48.615X1.3024 A-48.708 F264.26X1.3001 A-48.811X1.2979 A-48.914 F278.68

 

[PcRobotic]

Thanks Chris McIntosh,

   I went to http://www.emastercam.com/board/topic/69919-strang-feed-rate/, all I did was

pfcalc          #Feedrate calculations, gcode 0 does not evaluate
      if (mill5$ = 1 & rotfeed5$) | (not(mill5$) & rotfeed4$ = 2), use_frinv = 1
      else, use_frinv = 0
      if gcode$ <> zero,
        [
        #if not(use_frinv) & (abs(fmtrnd(cabs)-prvcabs) <= 0.001 | index | not(rot_feed) | opcode = 3), pfcalc_u_min  # G93 rotary / G93 linear
        if (abs(fmtrnd(cabs)-prvcabs) <= 0.001 | index | not(rot_feed) | opcode$ = 3 | opcode$ = 16), pfcalc_u_min  # G93 rotary / G94 linear
        else,
          [
          if cuttype = one & (fmtrnd(xinc) = 0 & fmtrnd(yinc) = 0 & fmtrnd(zinc) <> 0 & fmtrnd(cabs) = fmtrnd(prv_cabs))
            | rotfeed4$ = 0, pfcalc_u_min
          else, pfclc_deg_inv
          feed = fr_pos$ ==============================================================================================================================> add this line
         ]
        if ipr_type <> prv_ipr_type, result = force(feed,feed)
        ]