CNC-编-程-经-验-总-结

CNC编程经验总结*d5c#u7u)j3U1)铜公(电极)火花位:a:标准火花位:幼公(精公):-0.075/S,粗公:-(0.075+0.15)/Sb:精密产品，外观要求特别高，如手机、相机等，做3个公幼公:-0.075/S，中公:-(0.075+0.1)/S，粗公:-(0.075+0.1)/S;N#}+E5h4Rc:机壳、玩具类产品，一般需省模(抛光)，火花位稍放大幼公:-0.1/S，粗公:-(0.1+0.15)/S1_:\%u5W/P6Nd:产品尺寸很小或镜面火花机，火花位稍放小幼公:-0.03_-0.06/S，e:产品尺寸很大或深腔，为提高放电速度，采用大电流加工，火花位要加大幼公:-0.1_-0.15/S，粗公:-(0.1+0.2_0.3)/S*j1W.t5m%[8I2)编程放火花位的几种方法(详见编程资料/放火花位原理图)6M;]9{;G-E/~v7Ga:余量放火花位，例CAM5%v(ke+S1T;c0T7s3\b:设假刀放火花位，例CAM6c:图形偏小放火花位，例CAM7d:面铣时底面不能放负余量，常把刀路Z轴偏移降低，例CAM8$P4@'y+d{-g+c)u:{e:平底刀不能放负余量，可设假刀(平底刀设小R)，例CAM9'yG,yh1c%M3)常用刀具夹头参数a钨钢平底刀名称D12D10D10LD8D8LD6D6LD5D4D4LD3D2.5D2D1.5D1)P,v3a1T%z6`L-w,B+G刀长75751007510050755050755050505050m7C&a3p%?7U刃长30253020251520101015108753柄径1210108866644444442v/[:P)j:C8B#Pb钨钢球刀(R刀).U2g1V3l9F名称R6R5R5LR4R4LR3R3LR2.5R2R1.5R1.25R0.75R0.5R0.3刀长707010060100507550505050505060刃长2020201515121210865432-M#e4z:Z/];e)n)K3h$d柄径12101088666444444c钨钢牛笔刀(平底带R)名称D10R1D10R1LD8R1D8R0.5D6R1D6R0.5D5R1D5R0.5D4R1D4R0.5刀长751007575757575755050刃长303025252525202088柄径101088666644;b3s,T+v7Z&U-Td飞刀(上刀片)名称D63R6D35R5D32R5D30R5D25R5D20R4D16R4R6R5.r:i5Q3e9Y+h&f2n刀长200200220/150250/200/150/110200/150200/150150125100)n$Q)W:U&]!E4S#re飞刀(上刀片):a0S.f2?7E5H/W+p名称D32R0.8D30R0.8D25R0.8D20R0.8D16R0.8D12R0.4D10R0.4刀长200250/200/150250/200/150/130200/150/130160/1201001009q9y7b/M8N5h+m-of加长杆/^,u*w3\7D%l名称D16加长杆(见实物)D12加长杆(见实物)刀头1(见实物)刀头2(见实物)总长/柄径/夹头直径200/16/24160/12/184)选刀注意点$I3F;T:c$Z:P:?#d#Ca:新刀光刀，旧刀开粗或中光，尽量采用厂家现有刀具b:飞刀加工的成本、效率和质量比较高，尽量选用飞刀1F9f:v5G$K5j;@7];]'}|c:因飞刀锁锣丝上刀片，直径不是很准，用飞刀光刀尺寸要求高时通常要测数9w+R(^3G.`;_*Y-]1]d:钨钢牛笔刀成本较高，新刀主要光铜公0p2]#o3X6Z+p2{$GT(X*`e:安全锁刀长=刀具总长/3，刀具尽可能锁短，避免抢刀、弹刀、掉刀、损刀、断刀)X!E#k(b1T$a)g7W&szc5)模具主要加工工艺&m&P(O+n.qa简单铜公工艺(负余量法，普通机8000转，参考档案CAM1)名称刀具加工策略余量(侧/底)Z进刀XY进刀转速进给备注+N];d1p-G9u,xe,p1D12平面铣轮廓基准开粗0.2/0.10.8825001800&C,J)t*I\X)E平面铣轮廓外形开粗0.2/0.10.8825001800固定轴区域顶面中光0.1/0.525001800;a6P1fP$}2D12平面铣轮廓光外形-0.075/0.05/0.12500500平面铣轮廓光基准0/0.05/0.12500500:R:L#b/Sw/l9j6_3R3固定轴区域顶面光-0.075/0.145001800b简单铜公工艺(负余量法，普通机8000转，参考档案CAM2)5y@r*P;T3[;d|/u名称刀具加工策略余量(侧/底)Z进刀XY进刀转速进给备注1D12型腔铣开粗0.2/0.10.8825001800$u,G4y#`#P*D;q:A固定轴区域顶面中光0.1/0.525001800!h9d4l2C8}Y;D#X2z)W2D12平面铣轮廓光外形-0.075/0.05/0.12500500%[)|.b6S6W%E+B-|:g平面铣轮廓光基准0/0.05/0.125005003R3固定轴区域光顶面-0.075/0.145001800c带凹槽铜公加工(负余量法，普通机8000转，参考档案CAM5)+Q3|;?$M:s5\9XF名称刀具加工策略余量(侧/底)Z进刀XY进刀转速进给备注'@6J#O!U;c)F8F2J1D12型腔铣开粗0.2/0.10.8825001800#N#C5T&L;U;K固定轴区域顶面中光0.1/0.5250018002D12平面铣轮廓光外形-0.075/0.05/0.12500500平面铣轮廓光基准0/0.05/0.125005004v'A6s2h#d4u:T!n&\6I(V3D4型腔铣参考刀具开粗0.1/2.540001500'i;F/t-B,y5t3q/t4R3固定轴区域光顶面-0.075/0.145001800;n0]4x8b3q5R1.5固定轴清根-0.075/0.08450015002R'].\:?6Y0?/V0N6R0.5固定轴清根-0.075/0.0545001000d铜公浅滩与陡峭面分开加工(负余量法，普通机8000转，参考档案CAM5)#O#k6F!k,N$f名称刀具加工策略余量(侧/底)Z进刀XY进刀转速进给备注!b1})U1U/|:w6g#Q%t1D12型腔铣开粗0.2/0.10.8825001800陡峭面优先选用钨钢牛笔刀经常用平底刀代替,斜度不大时可用球刀固定轴区域顶面中光0.1/0.5250018002D12平面铣轮廓光外形-0.075/0.05/0.12500500;Q*a+\+\*GE8u+n5l7D平面铣轮廓光基准0/0.05/0.125005003D8R1等高光陡峭面-0.075/0.140001800%T:@$i$Z%x1u0b4R3固定轴区域光浅滩-0.075/0.145001800e骨位铜公工艺(图形偏置法，普通机8000转，参考档案CAM5)(M2eW1LZ-|&f!M7K0u名称刀具加工策略余量(侧/底)Z进刀XY进刀转速进给备注6d%b2J*U,\1D12型腔铣开粗0.5/0.10.8825001800骨位较薄，加工时防变形，开粗时余量留多，等高一次光到数2D12平面铣轮廓光外形0.6/0.05/0.12500500平面铣轮廓光基准0/0.05/0.12500500$\'l7]'rt5~4\,`1X3D8等高-0.10.10.1350015004J,R#U6B.D3Q8W:Ef手机铜公标准切削工艺参数(设假刀法，普通机8000转)名称刀具加工策略余量(侧/底)Z进刀XY进刀转速进给备注1D11.86型腔铣开粗0.2/0.10.8825001800'[%F-f$]&\1S#n8^,p固定轴区域顶面中光0.1/0.5250018002D5.86等高中光0.10.2/35001800/Y.h.r1R4E)A8t'_3D11.86平面铣轮廓光外形0/0.05/0.125005000s*E,p4N:G8M平面铣轮廓光基准0/0.05/0.125005002K6s$l:W;u9|,h%k4R2.93固定轴区域光顶面0/0.1450018005D5.86等高00.1/350018004`0]\$B%ru型腔铣底面清角0/435003007n1i/J/e9z'Q:N!I(V6D2.86等高00.08/45001200*p:A-\a(I/\%Q'ic7p:@.`7ig手机铜公参考切削工艺参数(设假刀法，高速机24000转，参考档案CAM4)名称刀具加工策略余量(侧/底)Z进刀XY进刀转速进给备注2w.x%H'U%u1D7.862D轮廓基准分层开粗0.2/0.10.6/1000050002a)v2e.x8V:T5m型腔铣开粗0.2/0.10.551000050006O$e6t/Q'k,h2D3.86等高中光0.1/0.10.18/2000020003D7.86平面铣轮廓光外形0/0.05/0.0810000800!q$x:R&k#}/c2q4Z平面铣轮廓光基准0/0.05/0.08100008004R1.93固定轴区域光顶面0/0.12000020009e9U2]w(F1z/FH*]7O$hz5D3.86等高00.1/200002000&s#H7K(O5e%s,N?#g型腔铣底面清角0/0.05/0.08200008006D1.86等高00.05/220001500-u:k.I8r;p7O4C0n2H1R7|6ph开框工艺(普通机8000转，参考档案PM51)名称刀具加工策略余量(侧/底)Z进刀XY进刀转速进给备注0T4l.w8])w7\1D30R5型腔铣开粗0.3/0.10.518200020002D30R5面铣光底0.5/0/18200012003D16R0.8型腔铣参考刀具开粗0.4/0.10.3/200020004X;n6Y9g,R5?7T)T(\)}4D12平面铣2D轮廓光0.02/0.05/0.120005005D12平面铣2D轮廓光0//2000500i开斜框工艺(普通机8000转，参考档案PM52)-]+d(s&r$H2n8T名称刀具加工策略余量(侧/底)Z进刀XY进刀转速进给备注7@!\!p6A'i%I:h3s1D30R5型腔铣开粗0.3/0.10.518200020004A(o'E&{4^2E%f7N3K8J2D30R5面铣光底0.5/0/18200012003D16R0.8型腔铣参考刀具开粗0.4/0.10.3/200020004D12平面铣2D轮廓光0.02/0.05/0.120005005D12平面铣2D轮廓光0//20005006D16R0.8等高光斜面00.15/20001500j模胚厂开框工艺(普通机8000转，参考档案，了解)2a&d$?,ml6f名称刀具加工策略余量(侧/底)Z进刀XY进刀转速进给备注1D52R5型腔铣开粗0.80.5309006002D32R0.8等高中光0.1(q4y1}4i6o/H%J3D20插角刀插避空角09005001u&^8?:b&Q#C4D16平面铣2D光轮廓0l手机钢料标准切削工艺参数(普通机8000转)名称刀具加工策略余量(侧/底)Z进刀XY进刀转速进给备注1D12开粗0.25/0.10.3825001800优先选用12D6D3R3R2R1.5合金刀具2D6等高开粗0.15/0.10.2/35001500#q:^;M)c'@5k0Y二次开粗0.15/0.10.24350015004D12底面光刀0.3/0/82500300轮廓光刀0/0.1/0.125003005D6底面光刀0.3/0/43500300轮廓光刀0/0.1/0.135003009b:Q._1|`(~等高光刀00.1/35001500;]8F9K3X;O6R3/R2曲面中光0.1/0.3545001800&Z(\7A#Q8_;[3t4r#S,B