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NopSCADlib/tests/core_xy.scad
Robert Schiele 7546203b03 positional parameters should not follow named parameters
Some versions of OpenSCAD (like the latest official release 2021.01 get
confused if positional parameters follow named parameters. So let's use
named parameters after the first named one was used.
2025-04-15 07:00:19 +02:00

189 lines
8.0 KiB
OpenSCAD

//
// NopSCADlib Copyright Chris Palmer 2020
// nop.head@gmail.com
// hydraraptor.blogspot.com
//
// This file is part of NopSCADlib.
//
// NopSCADlib is free software: you can redistribute it and/or modify it under the terms of the
// GNU General Public License as published by the Free Software Foundation, either version 3 of
// the License, or (at your option) any later version.
//
// NopSCADlib is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
// without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along with NopSCADlib.
// If not, see <https://www.gnu.org/licenses/>.
//
include <../core.scad>
include <../vitamins/pulleys.scad>
include <../vitamins/stepper_motors.scad>
include <../vitamins/washers.scad>
include <../utils/core_xy.scad>
module coreXY_belts_test() {
coreXY_type = coreXY_GT2_20_16;
plain_idler = coreXY_plain_idler(coreXY_type);
toothed_idler = coreXY_toothed_idler(coreXY_type);
pos = [100, 50];
coreXYPosBL = [0, 0, 0];
coreXYPosTR = [200, 150, 0];
separation = [0, coreXY_coincident_separation(coreXY_type).y, pulley_height(plain_idler) + washer_thickness(M3_washer)];
x_gap = 10;
plain_idler_offset = [10, 5];
upper_drive_pulley_offset = [40, 0];
lower_drive_pulley_offset = [0, 0];
coreXY_belts(coreXY_type,
pos,
coreXYPosBL,
coreXYPosTR,
separation,
x_gap,
plain_idler_offset,
upper_drive_pulley_offset,
lower_drive_pulley_offset,
show_pulleys = true);
translate([coreXYPosBL.x + separation.x/2, coreXYPosTR.y + upper_drive_pulley_offset.y, separation.z/2]) {
// add the upper drive pulley stepper motor
translate([coreXY_drive_pulley_x_alignment(coreXY_type) + upper_drive_pulley_offset.x, 0, -pulley_height(coreXY_drive_pulley(coreXY_type))])
NEMA(NEMA17_40);
// add the screws for the upper drive offset idler pulleys if required
if (upper_drive_pulley_offset.x > 0) {
translate(coreXY_drive_plain_idler_offset(coreXY_type) + plain_idler_offset)
translate([0, -upper_drive_pulley_offset.y, -pulley_offset(plain_idler)])
screw(M3_cap_screw, 20);
translate(coreXY_drive_toothed_idler_offset(coreXY_type))
translate([0, -upper_drive_pulley_offset.y, -pulley_offset(toothed_idler)])
screw(M3_cap_screw, 20);
} else if (upper_drive_pulley_offset.x < 0) {
translate([-pulley_od(plain_idler), coreXY_drive_plain_idler_offset(coreXY_type).y + plain_idler_offset.y])
translate([0, -upper_drive_pulley_offset.y, -pulley_offset(plain_idler)])
screw(M3_cap_screw, 20);
translate([2*coreXY_drive_pulley_x_alignment(coreXY_type) + plain_idler_offset.x, coreXY_drive_toothed_idler_offset(coreXY_type).y])
translate([0, -upper_drive_pulley_offset.y, -pulley_offset(toothed_idler)])
screw(M3_cap_screw, 20);
}
}
translate([coreXYPosTR.x - separation.x/2, coreXYPosTR.y + lower_drive_pulley_offset.y, -separation.z/2]) {
// add the lower drive pulley stepper motor
translate([-coreXY_drive_pulley_x_alignment(coreXY_type) + lower_drive_pulley_offset.x, 0, -pulley_height(coreXY_drive_pulley(coreXY_type))])
NEMA(NEMA17_40);
// add the screws for the lower drive offset idler pulleys if required
if (lower_drive_pulley_offset.x < 0) {
translate([-coreXY_drive_plain_idler_offset(coreXY_type).x - plain_idler_offset.x, coreXY_drive_plain_idler_offset(coreXY_type).y + plain_idler_offset.y])
translate([0, -lower_drive_pulley_offset.y, -pulley_offset(plain_idler)])
screw(M3_cap_screw, 20);
translate(coreXY_drive_toothed_idler_offset(coreXY_type))
translate([0, -lower_drive_pulley_offset.y, -pulley_offset(toothed_idler)])
screw(M3_cap_screw, 20);
} else if (lower_drive_pulley_offset.x > 0) {
translate([pulley_od(plain_idler), coreXY_drive_plain_idler_offset(coreXY_type).y + plain_idler_offset.y])
translate([0, -lower_drive_pulley_offset.y, -pulley_offset(plain_idler)])
screw(M3_cap_screw, 20);
translate([-2*coreXY_drive_pulley_x_alignment(coreXY_type) - plain_idler_offset.x, coreXY_drive_toothed_idler_offset(coreXY_type).y])
translate([0, -lower_drive_pulley_offset.y, -pulley_offset(toothed_idler)])
screw(M3_cap_screw, 20);
}
}
// add the screw for the left upper idler pulley
translate([coreXYPosBL.x + separation.x/2, coreXYPosBL.y, separation.z])
screw(M3_cap_screw, 20);
// add the screw for the right upper idler pulley
translate([coreXYPosTR.x + separation.x/2, coreXYPosBL.y, separation.z])
screw(M3_cap_screw, 20);
if (separation.x != 0) {
// add the screw for the left lower idler pulley
translate([coreXYPosBL.x - separation.x/2, coreXYPosBL.y, 0])
screw(M3_cap_screw, 20);
// add the screw for the right lower idler pulley
translate([coreXYPosTR.x - separation.x/2, coreXYPosBL.y, 0])
screw(M3_cap_screw, 20);
}
translate([-separation.x/2, pos.y + coreXYPosBL.y -separation.y/2, -separation.z/2 + pulley_height(plain_idler)/2]) {
// add the screw for the left Y carriage toothed idler
translate([coreXYPosBL.x, coreXY_toothed_idler_offset(coreXY_type).y, 0])
screw(M3_cap_screw, 20);
// add the screw for the left Y carriage plain idler
translate([coreXYPosBL.x + separation.x + coreXY_plain_idler_offset(coreXY_type).x + (upper_drive_pulley_offset.x == 0 ? 0 : plain_idler_offset.x), separation.y + coreXY_plain_idler_offset(coreXY_type).y, separation.z])
screw(M3_cap_screw, 20);
// add the screw for the right Y carriage toothed idler
translate([coreXYPosTR.x + separation.x, coreXY_toothed_idler_offset(coreXY_type).y, separation.z])
screw(M3_cap_screw, 20);
// add the screw for the right Y carriage plain idler
translate([coreXYPosTR.x - coreXY_plain_idler_offset(coreXY_type).x - (lower_drive_pulley_offset.x == 0 ? 0 : plain_idler_offset.x), separation.y + coreXY_plain_idler_offset(coreXY_type).y, 0])
screw(M3_cap_screw, 20);
}
}
module coreXY_motor_in_back_test1() {
size = [200,200];
pos = [100,100];
separation = [20,5,10];
coreXY(coreXY_GT2_20_16, size, pos, separation, x_gap = 0, plain_idler_offset = [0, 0], upper_drive_pulley_offset = [0, 0], lower_drive_pulley_offset = [0, 0], show_pulleys = true, left_lower = false, motor_back = true);
rotate([180,0,0])
translate (
[ separation.x/2
, 0
, -separation.z/2 -15 ])
NEMA(NEMA17_40);
translate (
[ size.x - separation.x/2
, 0
, -separation.z/2 - 15 ])
NEMA(NEMA17_40);
}
module coreXY_motor_in_back_test2() {
size = [200,200];
pos = [100,100];
separation = [0,5,10];
upper_drive_pulley_offset = [20, 5];
lower_drive_pulley_offset = [20, 5];
coreXY(coreXY_GT2_20_16, size, pos, separation, x_gap = 0, plain_idler_offset = [20, 0], upper_drive_pulley_offset = upper_drive_pulley_offset, lower_drive_pulley_offset = lower_drive_pulley_offset, show_pulleys = true, left_lower = false, motor_back = true);
translate (
[ size.x - separation.x/2 - lower_drive_pulley_offset.x
, lower_drive_pulley_offset.y
, -separation.z/2 - 15 ])
NEMA(NEMA17_40);
translate (
[ separation.x/2 + upper_drive_pulley_offset.x
, upper_drive_pulley_offset.y
, separation.z/2 - 25 ])
NEMA(NEMA17_40);
}
if ($preview) {
coreXY_belts_test();
translate ([-250, 0,0])
coreXY_motor_in_back_test1();
translate ([-250, -250,0])
coreXY_motor_in_back_test2();
}