Bewise Inc. www.tool-tool.com Reference source from the internet.
局部座標(G52)
座標迴轉(G68)
這兩者G碼指令在型體加工應用很廣
..尤其是同一型體但是分布在工件的各個位置的加工..同時若有角度迴轉時
這兩者的指令有助於加工程式的區塊建立及簡化...
假設一塊模板...厚度25厚...工件起點為左下角
我們要在模板上加工5 個不同角度迴轉但是尺寸相同的鍵槽
我們以45的粗端铣刀挖穿(貫穿溝槽)
再以25的鎢鋼精修端铣刀作精修
我們要洗的溝槽尺寸如下
我們由上圖得知鍵槽下刀點
....以下是分布圖尺寸
鑽基孔點座標為
(1)X150.Y275.
(2)X300.Y525.
(3)X425.Y280.
(4)X675.Y280.
(5)X730.Y600.
我們排定4支刀
T1=59快速鑽頭-L=2D(V95 F0.12)
T2=45粗铣端铣刀-鍍鈦-50刃長(V35-F0.4)
T3=25精铣刀-鎢鋼-45刃長(120V F0.5)
T4=倒角刀
O1200(MILLING-PIN-BLOG)
T1M6
M1
我們先鑽基孔
N1(59-PDR-L=2D-BSA-32)
G54G90G0X150.Y275.G43Z50.S500M3T2
M8(冷卻液)
M7(噴氣)
G99G83Q10.R3.Z-26.F60
X300.Y525.
X425.Y280.
X675.
G98X730.Y600.
G80Z150.M9
G91G28Z0Y0M5
M1
基孔立體圖
T2M6
M1
N2(45-R-EM-L50-BSA-32)-(從這段起要用變數和GOTO呼叫)
G69G40
G90G54G0X150.Y275.G43H2D2Z50.S245M3T3
M8
M7
G90G52ZX0Y0
#100=101(先設定段落...跳至加工段落加工...之後跳回)
G52X150.Y275.
G90G68X0Y0R90.(我們要加工此區塊)
GOTO100
G69
N101
#100=102
G52X300.Y525.
G90G68X0Y0R0.
GOTO100(0度的區塊)
N102
G69
#100=103
G52X425.Y280.
G90G68X0Y0R300
GOTO100(300度區塊)
N103
G69
#100=104
G52X675.Y280.
G90G68X0Y0R300
GOTO100
N104
G69
#100=105
G52X730.Y600.
G90G68X0Y0R15.
GOTO100
N105
G69
G52X0Y0
M5
G91G28Z0Y0M9
M1
GOTO110
溝槽铣銷
N100
G62
G90G0X0Y0
Z-30.
G1X150.F50
G41Y29.5F125
X0.
G3R29.5Y-29.5
G1X150.
G3R29.5Y29.5
G40G0Y0.Z50.
GOTO#100
N110
T3M6
M1
N3(25--EM-FIN-L50-ER-32)-(從這段起要用變數和GOTO呼叫)
G69G40
G90G54G0X150.Y275.G43H3D3Z50.S1500M3T4
M8
M7
G90G52ZX0Y0
#100=111(..設定精修加工段落加工維N111但以變數設定...之後跳回)
G52X150.Y275.
G90G68X0Y0R90.(我們要加工此區塊)
GOTO120
G69
N111
#100=112
G52X300.Y525.
G90G68X0Y0R0.
GOTO120(0度的區塊精修)
N112
G69
#100=113
G52X425.Y280.
G90G68X0Y0R300
GOTO120(300度區塊精修)
N113
G69
#100=114
G52X675.Y280.
G90G68X0Y0R300
GOTO120
N114
G69
#100=115
G52X730.Y600.
G90G68X0Y0R15.
GOTO120
N115
G69
G52X0Y0
M5
G91G28Z0Y0M9
M1
GOTO130
N120
G62
G90G0X150.Y0
Z-35.
G41Y30.F125
X0.F600
G3R30.Y-30.
G1X150.
G3R30.Y30.
G40G0Y0.Z50.
GOTO#100
(以上是精修程式)
N130
T4M6(倒角)
N4(20/40-CEM-45A)
G90G10L1P4R15.(倒角刀半徑設定)
G69G40
G90G54G0X150.Y275.G43H4D4Z50.S2500M3T1
M8
M7
G90G52ZX0Y0
#100=121
G52X150.Y275.
G90G68X0Y0R90.
GOTO140
G69
N121
#100=122
G52X300.Y525.
G90G68X0Y0R0.
GOTO140(0度的區塊精修)
N122
G69
#100=123
G52X425.Y280.
G90G68X0Y0R300
GOTO140(300度區塊精修)
N123
G69
#100=124
G52X675.Y280.
G90G68X0Y0R300
GOTO140
N124
G69
#100=125
G52X730.Y600.
G90G68X0Y0R15.
GOTO140
N125
G69
G52X0Y0
M5
G91G28Z0Y0M9
M1
GOTO150
N140
G62
G90G0X150.Y0
Z-16.(1C倒角-所以15+1=16)
G41Y30.F2000
X0.
G3R30.Y-30.
G1X150.
G3R30.Y30.
G40G0Y0.Z50.
GOTO#100
T1M6
M30
***加工完成之等角圖***
*************
以上是以一般G68及G52的加工範例)
其實還可以更短...下次有機會
我還會做詳細的補充
G68 R- X- Y-
R=旋轉角度...以逆時真為起角旋轉角度
X.Y為該旋轉角度的座標中心
***旋轉角度中心座標一定要設.視你需在座標上的哪個點作旋轉中心..
若沒設定....比如G68 R-若後面枚射在哪旋轉...就以刀具目前位置作旋轉中心..
這點必須注意
*****
G52為局部座標
顧名思義就是只要在絕對值得任意座標值設定其值
就會在該絕對座標設為零點
例
G52X200.Y393.
他就會在絕對值的X200.Y393.位置歸零
如
G52X200.Y393.
G90G0X0Y0(就是會跑到你設定加工座標的位置為新零點
如圖面基準X50.Y-131.5我要再此設立一個區塊做新的零點
G52X50.Y-131.5那控制器上的絕對直就會顯示其為基準零點
若程式在讀G0X0Y0則會跑到你要的位置
G52X0Y0為取消....
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