Internal hex broaching with C-axis

[suntravel]

Not the fastest way to broach, but it worked with tools I have in stock



Uwe

[Nigelo]

Very interesting Uwe.

Any chance you could post the broaching code?

Tia

[suntravel]

Very interesting Uwe.

Any chance you could post the broaching code?

Tia

sure

Code: Select all

; Description: Groove broaching or milling for ID and OD
; Programmer: Uwe
; Reqiuers Custom Macros and C-Axis / Starts from Z2
; Date: 05-07-2022
; --- Header ---
  G21 ; millimeter units - Change to G20 for imperial units
  G40 ; Cutter Comp Off 
  G28 ; Tool change position 
  G98 ; Feed units/min
  M51 ; C-Axis on
; --- Parameter ---
; === User Input START ==== 
; Start Diameter
#101 = 8
; End Diameter
#102 = 10
; Depth Z
#103 = -15 
; Depth of cut
#105 = 0.1
; Feed units/min
#107 = 10000
; Retract ammount
#108 = 0.1
; Number of grooves
#110 = 6
; Select Tool
G28 T0909
;=== User Input END ====
;=== Do not modify  ====
;Calculate ID or OD
IF #101 > #102 THEN #105 = [#105 * -1]
IF #101 < #102 THEN #108 = [#108 * -1]
;Calculate C Deg
#111 = [360/#110]
#115 = [360/#110]
#112 = 1
; Tool and C-Axis on
N100

;M67 ;Turn Live Tooling On
;G4 P0.5
M7 ;Turn Mist Cooling On 
; === Cutting ===
N200
#106 = [#101+#105]
G0 Z2 X[#101] 
G1 Z[#103] F#107
G0 X [#101+#108]
G0 Z2 
G0 X[#106] 
G1 Z[#103] F#107
G0 X [#106+#108]
G0 Z2  
N300
;Calculate ID or OD
IF #101 > #102 THEN GOTO 330 ELSE GOTO 320 
N320
IF [#106<=[#102-#105]] THEN GOTO 400 ELSE GOTO 500
N330
IF [#106>=[#102-#105]] THEN GOTO 400 ELSE GOTO 500
N400
#106=#106+#105
G0 X[#106]
G1 Z[#103] F#107
G0 X [#106+#108]
G0 Z2
GOTO 300
N500
IF #110 == 1 THEN GOTO 1000 ELSE GOTO 600
N600
#112 = [1+#112]
IF #50001
;M200 "C=%f 112 = %f"#111#112
G0 C[#111]
#111 = [#115 * #112]
IF #50001
IF #112 == [1+#110] THEN GOTO 700 ELSE GOTO 200
N700
; --- End of Program ---
N1000 
  G28 
; M87 ; Turn Off Live Tooling
  M50 ;C-Axis off
  M9
  M99 ; for use as subprogram
; End of Program

[Black Forest]

Really interesting video. As my friend Yoda used to say, " The force is strong in Uwe"

[Nigelo]

Many thanks Uwe

[cnckeith]

nice! thanks for posting the video.

[suntravel]

Final part was made from 1.4571 stainless steel to adapt a silencer to a DIY 308 Rifle.

It did not reduce the long range precision

Uwe