AI_Assistant/grid-apps-cmms
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fix ball mill profile

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This commit is contained in:
Stewart Allen 2020-11-24 20:18:02 -05:00
commit dd315aac40
3 changed files with 12 additions and 5 deletions
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1
notes.md
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@ -56,7 +56,6 @@
# CAM # CAM
* `B` fix ball mill profile
* `B` climb vs conventional not fully consistent after refactor * `B` climb vs conventional not fully consistent after refactor
* `B` outside cutting direction in roughing mode inverted * `B` outside cutting direction in roughing mode inverted
* `B` clear voids has double interior pass because wrong offset shadow used * `B` clear voids has double interior pass because wrong offset shadow used

5
src/mode/cam/animate.js
View file

@ -367,11 +367,12 @@ self.kiri.loader.push(function() {
} }
tool = new CAM.Tool({ tools }, undefined, toolnum); tool = new CAM.Tool({ tools }, undefined, toolnum);
tool.generateProfile(rez); tool.generateProfile(rez);
const flen = tool.fluteLength() || 30; const flen = tool.fluteLength() || 15;
const slen = tool.shaftLength() || 15;
// const frad = tool.fluteDiameter() / 2; // const frad = tool.fluteDiameter() / 2;
const prof = tool.profile; const prof = tool.profile;
const { size, pix } = tool.profileDim; const { size, pix } = tool.profileDim;
const { pos, ind } = createGrid(pix, pix, {x:size, y:size, z:flen}, rez); const { pos, ind } = createGrid(pix, pix, {x:size, y:size, z:flen+slen}, rez);
const mid = Math.floor(pix/2); const mid = Math.floor(pix/2);
// deform mesh to fit tool profile // deform mesh to fit tool profile
for (let i=0, il=prof.length; i < il; ) { for (let i=0, il=prof.length; i < il; ) {

11
src/mode/cam/tool.js
View file

@ -51,6 +51,10 @@
return this.unitScale() * this.tool.taper_tip; return this.unitScale() * this.tool.taper_tip;
} }
shaftLength() {
return this.unitScale() * this.tool.shaft_len;
}
shaftDiameter() { shaftDiameter() {
return this.unitScale() * this.tool.shaft_diam; return this.unitScale() * this.tool.shaft_diam;
} }
@ -77,7 +81,8 @@
profile_pix_iter = shaft_pix_int + (1 - shaft_pix_int % 2), profile_pix_iter = shaft_pix_int + (1 - shaft_pix_int % 2),
toolCenter = (shaft_pix_int - (shaft_pix_int % 2)) / 2, toolCenter = (shaft_pix_int - (shaft_pix_int % 2)) / 2,
toolOffset = [], toolOffset = [],
larger_shaft = shaft_diameter - flute_diameter > 0.001; larger_shaft = shaft_diameter - flute_diameter > 0.001,
rpixsq = flute_radius_pix_float * flute_radius_pix_float;
// for each point in tool profile, check inside radius // for each point in tool profile, check inside radius
for (let x = 0; x < profile_pix_iter; x++) { for (let x = 0; x < profile_pix_iter; x++) {
@ -90,7 +95,9 @@
// flute offset points // flute offset points
let z_offset = 0; let z_offset = 0;
if (ball) { if (ball) {
z_offset = (1 - Math.cos((dist_from_center / flute_radius_pix_float) * HPI)) * -flute_radius; let rd = dist_from_center * dist_from_center;
z_offset = Math.sqrt(rpixsq - rd) * resolution - flute_radius;
// z_offset = (1 - Math.cos((dist_from_center / flute_radius_pix_float) * HPI)) * -flute_radius;
} else if (taper && dist_from_center >= tip_radius_pix_float) { } else if (taper && dist_from_center >= tip_radius_pix_float) {
z_offset = ((dist_from_center - tip_radius_pix_float) / tip_max_radius_offset) * -shaft_offset; z_offset = ((dist_from_center - tip_radius_pix_float) / tip_max_radius_offset) * -shaft_offset;
} }