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generateGCode.m
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generateGCode.m
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%% G代码的生成
function generateGCode(entities, inputFile)
% generateGCode 根据几何特征点生成数控加工的G代码和M代码
% entities - 存储几何特征点的结构数组
% outputFile - 输出的G代码文件路径
% 打开文件以写入G代码
fid = fopen(inputFile, 'wt');
if fid == -1
error('Cannot open file: %s', inputFile);
end
% 写入文件头部
fprintf(fid, '%% G代码生成\n');
fprintf(fid, 'G21 ; 设置单位为毫米\n');
fprintf(fid, 'G90 ; 绝对坐标编程\n');
fprintf(fid, 'G17 ; 选择X-Y平面\n');
duidaox = evalin('base', 'duidaox');
duidaoy = evalin('base', 'duidaoy');
duidaoz = evalin('base', 'duidaoz');
fprintf(fid, 'G00 X%.3f Y%.3f Z%.3f;快速对刀到对刀点\n',duidaox,duidaoy, duidaoz); %计算直线起点坐标
Start = entities(1);
speed = evalin('base', 'speed');
fast = evalin('base', 'fast');
deep = evalin('base', 'deep');
if strcmp (Start.name, 'LINE')
fprintf(fid, 'G00 X%.3f Y%.3f Z%.3f;快速对刀\n',Start.line(1,1),Start.line(1,2) , -deep); %计算直线起点坐标
x_d=Start.line(1,1);
y_d=Start.line(1,2);
elseif strcmp (Start.name, 'ARC')
[x,y]=coordinate_calculation(Start.arc(1,4), Start.arc(1,1), Start.arc(1,2), Start.arc(1,3)); %计算圆弧起点坐标
fprintf(fid, 'G00 X%.3f Y%.3f Z%.3f;\n',x,y,-deep);
x_d=x;
y_d=y;
elseif strcmp (Start.name, 'CIRCLE')
x=Start.circle(1,1)+Start.circle(1,3);
y=Start.circle(1,2);
fprintf(fid, 'G00 X%.3f Y%.3f Z%.3f;\n',x,y,-deep);
x_d=x;
y_d=y;
end
% 遍历所有实体生成相应的G代码
for i = 1:length(entities)
e = entities(i);
if (i==1)
[x_d , y_d] = processEntity_with_S_and_F(e, x_d, y_d , speed , fast,deep,fid);
else
[x_d, y_d] = processEntity(e, x_d, y_d,deep, fid);
end
end
% 写入文件尾部
fprintf(fid, 'G40 ; 取消刀补\n');
fprintf(fid, 'M30 ; 程序结束\n');
% 关闭文件
fclose(fid);
fprintf('G代码已生成并保存到文件: %s\n', inputFile);
end
function [x_d, y_d] = processEntity(e, x_d, y_d,deep, fid)
if strcmp(e.name, 'LINE')
% 判断轮廓是否断开
round_x_d = round(x_d * 10000) / 10000;
round_x = round(e.line(1, 1) * 10000) / 10000;
round_y_d = round(y_d * 10000) / 10000;
round_y = round(e.line(1, 2) * 10000) / 10000;
if (round_x_d ~= round_x || round_y_d ~= round_y) % 判断断开
fprintf(fid, ' Z%.3f; 抬刀防止撞刀\n', deep+2);
fprintf(fid, 'G01 X%.3f Y%.3f ; 直线插补\n', e.line(1, 1), e.line(1, 2)); % 直线插补去到直线起点坐标
fprintf(fid, ' Z%.3f; 下刀\n', -deep);
end
fprintf(fid, 'G01 X%.3f Y%.3f ; 直线插补\n', e.line(1, 3), e.line(1, 4));
x_d = e.line(1, 3);
y_d = e.line(1, 4);
% 判断圆是否和上一个轮廓脱离
elseif strcmp(e.name,'CIRCLE')
distance = ((e.circle(1, 1) - x_d)^2 + (e.circle(1, 2) - y_d)^2);
if distance > e.circle(1, 3)^2 % 圆与上一个轮廓脱离
fprintf(fid, ' Z%.3f; 抬刀防止撞刀\n', deep+2);
fprintf(fid, 'G01 X%.3f Y%.3f ; 直线插补\n', e.circle(1, 1) + e.circle(1, 3), e.circle(1, 2)); % 直线插补走到圆上
fprintf(fid, ' Z%.3f; 下刀\n', -deep);
fprintf(fid, 'G02 X%.3f Y%.3f I%.3f J%.3f; 圆\n', e.circle(1, 1) + e.circle(1, 3), e.circle(1, 2), e.circle(1, 1) - e.circle(1, 1) - e.circle(1, 3), e.circle(1, 2) - e.circle(1, 2)); % 画整圆
x_d = e.circle(1, 1) + e.circle(1, 3);
y_d = e.circle(1, 2);
else
fprintf(fid, 'G02 X%.3f Y%.3f I%.3f J%.3f; 圆\n', x_d, y_d, e.circle(1, 1) - x_d, e.circle(1, 2) - y_d); % 画整圆
end
elseif strcmp(e.name, 'ARC')
% 圆弧加工
arc_start = e.arc(1, 4);
arc_end = e.arc(1, 5);
[x, y] = coordinate_calculation(arc_end, e.arc(1, 1), e.arc(1, 2), e.arc(1, 3)); % 计算圆弧终点坐标
% 保留前四位小数
round_x_d = round(x_d * 10000) / 10000;
round_x = round(x * 10000) / 10000;
round_y_d = round(y_d * 10000) / 10000;
round_y = round(y * 10000) / 10000;
if (round_x == round_x_d && round_y_d == round_y) % 判断圆弧终点坐标与上一个轮廓的终点是否重合
% 重合的情况为顺时针
[a, b] = coordinate_calculation(arc_end, e.arc(1, 1), e.arc(1, 2), e.arc(1, 3)); % 顺时针圆弧起点
I = e.arc(1, 1) - a;
J = e.arc(1, 2) - b;
[x, y] = coordinate_calculation(arc_start, e.arc(1, 1), e.arc(1, 2), e.arc(1, 3)); % 顺时针圆弧终点
fprintf(fid, 'G02 X%.3f Y%.3f I%.3f J%.3f ; 圆弧插补\n', x, y, I, J);
else
% 终点不重合的情况
[a, b] = coordinate_calculation(arc_start, e.arc(1, 1), e.arc(1, 2), e.arc(1, 3)); % 计算圆弧起点坐标
% 保留前四位小数
round_a = round(a * 10000) / 10000;
round_b = round(b * 10000) / 10000;
if (round_a == round_x_d && round_b == round_y_d) % 判断起点是否重合
% 起点重合的情况
[x, y] = coordinate_calculation(arc_end, e.arc(1, 1), e.arc(1, 2), e.arc(1, 3)); % 计算圆弧终点坐标
I = e.arc(1, 1) - a;
J = e.arc(1, 2) - b;
fprintf(fid, 'G03 X%.3f Y%.3f I%.3f J%.3f ; 圆弧插补\n', x, y, I, J);
else
% 起点不重合的情况
fprintf(fid, ' Z%.3f; 抬刀防止撞刀\n', deep+2);
fprintf(fid, 'G00 X%.3f Y%.3f ; 直线插补\n', a, b); % 直线插补走到圆弧上
fprintf(fid, ' Z%.3f; 下刀\n', -deep);
I = e.arc(1, 1) - a;
J = e.arc(1, 2) - b;
fprintf(fid, 'G03 X%.3f Y%.3f I%.3f J%.3f ; 圆弧插补\n', x, y, I, J);
end
end
x_d = x;
y_d = y;
end
end
function [x_d, y_d] = processEntity_with_S_and_F(e, x_d, y_d, s , f, deep,fid)
conpensation_way = evalin('base', 'conpensation_way');
tool_num = evalin('base', 'tool_num')-1;
if conpensation_way == 2
conpensation = 41;
else
conpensation = 42;
end
if strcmp(e.name, 'LINE')
% 判断轮廓是否断开
round_x_d = round(x_d * 10000) / 10000;
round_x = round(e.line(1, 1) * 10000) / 10000;
round_y_d = round(y_d * 10000) / 10000;
round_y = round(e.line(1, 2) * 10000) / 10000;
if (round_x_d ~= round_x || round_y_d ~= round_y) % 判断断开
fprintf(fid, ' Z%.3f; 抬刀防止撞刀\n', deep+2);
fprintf(fid, 'G00 X%.3f Y%.3f; 快速走刀定位\n', e.line(1, 1), e.line(1, 2)); % 快速走刀定位
fprintf(fid, ' Z%.3f; 下刀\n', -deep);
end
fprintf(fid, 'G01 X%.3f Y%.3f F%.3f S%.3f M02 G%.0f T0%.0f; 直线插补\n', e.line(1, 3), e.line(1, 4),f,s ,conpensation ,tool_num );
x_d = e.line(1, 3);
y_d = e.line(1, 4);
elseif strcmp(e.name, 'CIRCLE')
% 判断圆是否和上一个轮廓脱离
distance = ((e.circle(1, 1) - x_d)^2 + (e.circle(1, 2) - y_d)^2);
if distance > e.circle(1, 3)^2 % 圆与上一个轮廓脱离
fprintf(fid, ' Z%.3f; 抬刀防止撞刀\n', deep+2);
fprintf(fid, 'G00 X%.3f Y%.3f ; 快速走刀定位\n', e.circle(1, 1) + e.circle(1, 3), e.circle(1, 2)); % 快速走刀定位
fprintf(fid, ' Z%.3f; 下刀\n', -deep);
fprintf(fid, 'G02 X%.3f Y%.3f I%.3f J%.3f F%.3f S%.3f M02 G%.0f T0%.0f ; 圆\n', e.circle(1, 1) + e.circle(1, 3), e.circle(1, 2), e.circle(1, 1) - e.circle(1, 1) - e.circle(1, 3), e.circle(1, 2) - e.circle(1, 2),f,s ,conpensation ,tool_num); % 画整圆
x_d = e.circle(1, 1) + e.circle(1, 3);
y_d = e.circle(1, 2);
else
fprintf(fid, 'G02 X%.3f Y%.3f I%.3f J%.3f F%.3f S%.3f M02 G%.0f T0%.0f; 圆\n', x_d, y_d, e.circle(1, 1) - x_d, e.circle(1, 2) - y_d,f,s,conpensation ,tool_num); % 画整圆
end
elseif strcmp(e.name, 'ARC')
% 圆弧加工
arc_start = e.arc(1, 4);
arc_end = e.arc(1, 5);
[x, y] = coordinate_calculation(arc_end, e.arc(1, 1), e.arc(1, 2), e.arc(1, 3)); % 计算圆弧终点坐标
% 保留前四位小数
round_x_d = round(x_d * 10000) / 10000;
round_x = round(x * 10000) / 10000;
round_y_d = round(y_d * 10000) / 10000;
round_y = round(y * 10000) / 10000;
if (round_x == round_x_d && round_y_d == round_y) % 判断圆弧终点坐标与上一个轮廓的终点是否重合
% 重合的情况为顺时针
[a, b] = coordinate_calculation(arc_end, e.arc(1, 1), e.arc(1, 2), e.arc(1, 3)); % 顺时针圆弧起点
I = e.arc(1, 1) - a;
J = e.arc(1, 2) - b;
[x, y] = coordinate_calculation(arc_start, e.arc(1, 1), e.arc(1, 2), e.arc(1, 3)); % 顺时针圆弧终点
fprintf(fid, 'G02 X%.3f Y%.3f I%.3f J%.3f F%.3f S%.3f M02 G%.0f T0%.0f; 圆弧插补\n', x, y, I, J,f,s,conpensation ,tool_num);
else
% 终点不重合的情况
[a, b] = coordinate_calculation(arc_start, e.arc(1, 1), e.arc(1, 2), e.arc(1, 3)); % 计算圆弧起点坐标
% 保留前四位小数
round_a = round(a * 10000) / 10000;
round_b = round(b * 10000) / 10000;
if (round_a == round_x_d && round_b == round_y_d) % 判断起点是否重合
% 起点重合的情况
[x, y] = coordinate_calculation(arc_end, e.arc(1, 1), e.arc(1, 2), e.arc(1, 3)); % 计算圆弧终点坐标
I = e.arc(1, 1) - a;
J = e.arc(1, 2) - b;
fprintf(fid, 'G03 X%.3f Y%.3f I%.3f J%.3f F%.3f S%.3f M02G%.0f T0%.0f; 圆弧插补\n', x, y, I, J,f,s,conpensation ,tool_num);
else
% 起点不重合的情况
fprintf(fid, ' Z%.3f; 抬刀防止撞刀\n', deep+2);
fprintf(fid, 'G00 X%.3f Y%.3f ; 快速走刀定位\n', a, b); % 快速走刀定位
fprintf(fid, ' Z%.3f; 下刀\n', -deep);
I = e.arc(1, 1) - a;
J = e.arc(1, 2) - b;
fprintf(fid, 'G03 X%.3f Y%.3f I%.3f J%.3f F%.3f S%.3f M02 G%.0f T0%.0f; 圆弧插补\n', x, y, I, J,f,s,conpensation ,tool_num);
end
end
x_d = x;
y_d = y;
end
end