MASTERCAM后处理修改 - 图文 下载本文

peof0 #End of file for tool zero peof

peof #End of file for non-zero tool pretract comment

#Remove pound character to output first tool with staged tools # #if stagetool = one, pbld, n, *first_tool, e n, \ \

pwcs #G54+ coordinate setting at toolchange

if workofs <> prv_workofs | (force_wcs & toolchng), [

if workofs < 6, [

g_wcs = workofs + 54 *g_wcs ] else, [

p_wcs = workofs - five \ ] ]

!workofs

pgear #Find spindle gear from lookup table if use_gear = one, [

gear = frange (one, speed) *gear ]

#换刀设置

pspindle #主轴转速计算 for RPM speed = abs(ss)

if maxss = zero | maxss > max_speed, maxss = max_speed if speed > max_speed, speed = maxss if speed < min_speed, speed = min_speed spdir2 = fsg3(spdir)

pq #Setup post based on switch settings if stagetool = one, bldnxtool = one if arctype = one | arctype = four,

26

[

result = newfs(two, i) result = newfs(two, j) result = newfs(two, k) ] else, [

result = newfs(three, i) result = newfs(three, j) result = newfs(three, k) ]

pheader #文件开始前调用

if met_tool = one, #米制常量和变量调整 [

ltol = ltol_m vtol = vtol_m

maxfeedpm = maxfeedpm_m ]

ptoolend #刀具路径末尾,读取新刀具资料之前 !speed, !spdir2

ptlchg1002 #Call at actual toolchange, end last path here pspindle

if gcode = 1000, [

#Null toolchange ] else, [

#Toolchange and Start of file if gcode = 1002, [

#Actual toolchange pretract ]

if stagetool = one, prv_next_tool = m_one prv_xia = vequ(xh) prv_feed = c9k ]

# -------------------------------------------------------------------------- # Motion NC output 运动 NC 输出

# -------------------------------------------------------------------------- #绝对方式输出的变量为 xabs, yabs, zabs. #增量方式输出的变量为 xinc, yinc, zinc.

27

# -------------------------------------------------------------------------- prapidout #输出直线运动的NC指令 - 快速 pcan1, pbld, n, sgplane, `sgcode, sgabsinc, pccdia, pxout, pyout, pzout, strcantext, scoolant, e

plinout #输出直线运动的NC指令 - 进给 pcan1, pbld, n, sgplane, `sgcode, sgabsinc, pccdia, pxout, pyout, pzout, feed, strcantext, scoolant, e

pcirout #输出圆弧插补的NC指令

if arcrad >= max_arc, result = mprint(saxiswarn) pcan1, pbld, n, sgplane, sgcode, sgabsinc, pccdia,

pxout, pyout, pzout, parc, feed, strcantext, scoolant, e

pcom_moveb #Common motion preparation routines, before pxyzcout ps_inc_calc

pncoutput #Movement output pcom_moveb comment pcan

if gcode = zero, prapidout if gcode = one, plinout

if gcode > one & gcode < four, pcirout pcom_movea

pcom_movea #Common motion preparation routines, after pcan2

pe_inc_calc

pdwl_spd #Call from NCI gcode 4 pspindle comment

if prv_spdir2 <> spdir2, pbld, n, *sm05, e

if prv_speed <> speed | prv_spdir2 <> spdir2, pbld, n, *speed, *spindle, pgear, e pcan

if fmtrnd(dwell), pcan1, pbld, n, *sgcode, *dwell, strcantext, e else, pcan1, pbld, n, strcantext, e pcan2

prapid #输出直线运动的NC指令 - 快速 pncoutput

pzrapid #输出直线运动的NC指令 - 快速 Z only pncoutput

28

plin #输出直线运动的NC指令 - 进给 pncoutput

pz #输出直线运动的NC指令 - 进给 Z only pncoutput

pmx #输出NCI向量的NC指令 pncoutput

pcir #输出圆弧插补的NC指令 pncoutput

# -------------------------------------------------------------------------- # Motion output components 运动输出组成

# -------------------------------------------------------------------------- pbld #Canned text - 单节删除 if bld, '/'

pfbld #强制 - 单节删除 \

pccdia #切削补偿 #Force Dxx#

if prv_cc_pos <> cc_pos & cc_pos, prv_tloffno = c9k sccomp

if cc_pos, tloffno

pfxout #Force X axis output if absinc = zero, *xabs, !xinc else, *xinc, !xabs

pxout #X output

if absinc = zero, xabs, !xinc else, xinc, !xabs

pfyout #Force Y axis output if absinc = zero, *yabs, !yinc else, *yinc, !yabs

pyout #Y output

if absinc = zero, yabs, !yinc else, yinc, !yabs

pfzout #Force Z axis output if absinc = zero, *zabs, !zinc

29

else, *zinc, !zabs

pzout #Z output

if absinc = zero, zabs, !zinc else, zinc, !zabs

parc #选择圆弧输出格式 if arcoutput = zero, [

#圆弧输出为 IJK i, j, k ] else, [

#圆弧输出为 R

if abs(sweep)<=180 | arcoutput=one, result = nwadrs(srad, arcrad) else, result = nwadrs(srminus, arcrad) *arcrad ]

# -------------------------------------------------------------------------- # Drilling 钻孔

# -------------------------------------------------------------------------- pdrlcommonb #Canned Drill Cycle common call, before if gcode = 81, [

result = newfs (two, zinc)

if drillcyc = three, drlgsel = fsg1(-ss) + drillcyc * two else, drlgsel = fsg2(dwell) + drillcyc * two if initht <> refht, drillref = zero else, drillref = one prv_refht_a = c9k prv_refht_i = c9k ]

z = depth

prv_zia = initht feed = fr_pos prv_dwell = zero @dwell

pcom_moveb comment pcan

prdrlout #R drill position refht_a = refht

refht_i = refht - initht

30