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Improved frames: thicker stands + easier motor adjustment

pull/6/head
carlosgs 2013-05-26 14:28:10 +02:00
parent a195605f60
commit e88354183e
3 changed files with 7788 additions and 14272 deletions
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50
Hardware/main_frame/frame.scad
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@ -53,7 +53,9 @@ base_screw_distance = 33;
Y_rod_height = 40;
Y_rod_dist_from_wall = 15;
Y_rod_support_lenght = Y_rod_dist_from_wall+smooth_rod_screw_sep+smooth_rod_screw_diam;
Y_rod_support_lenght = Y_rod_dist_from_wall+smooth_rod_screw_sep+smooth_rod_screw_diam+3;
motor_adjust_margin = 3;
if(show_printbed) {
//for display only, doesn't contribute to final object
@ -129,28 +131,38 @@ difference() {
cylinder(r=bearing_diameter/2,h=motor_stand_thickness,center=true,$fn=40);
if(with_motor) {
// ------- BEGIN MOTOR HOLES --------
// Center is the motor shaft, and we apply the rotation keeping the motor horizontal
// Screws for holding the motor
rotate([0,0,-motor_axis_angle]) translate([motor_axis_distance,0,0]) rotate([0,0,motor_axis_angle]) {
for(i=[-1,1])
for(j=[-1,1]) {
translate([i*motor_screw_distance/2,j*motor_screw_distance/2,0]) {
// Screw hole
translate([0,0,motor_stand_thickness/2])
cylinder(r=motor_screw_diameter/2,h=10*frame_thickness,center=true,$fn=40);
}
rotate([0,0,-motor_axis_angle]) translate([motor_axis_distance,0,0]) rotate([0,0,90+motor_axis_angle]) {
// Hole for the motor shaft
hull() {
translate([0,motor_adjust_margin/2,0])
cylinder(r=motor_center_diameter/2,h=10*wall_thickness,center=true,$fn=40);
translate([0,-motor_adjust_margin/2,0])
cylinder(r=motor_center_diameter/2,h=10*wall_thickness,center=true,$fn=40);
}
// Screws for holding the motor
for(i=[-1,1]) for(j=[-1,1])
translate([i*motor_screw_distance/2,j*motor_screw_distance/2,0]) {
hull() {
translate([0,motor_adjust_margin/2,0])
cylinder(r=motor_screw_diameter/2,h=10*wall_thickness,center=true,$fn=40);
translate([0,-motor_adjust_margin/2,0])
cylinder(r=motor_screw_diameter/2,h=10*wall_thickness,center=true,$fn=40);
}
}
// Hole for the motor shaft
translate([frame_width/2,0,0])
cube([frame_width,20,10*motor_stand_thickness],cr=4,cres=10,center=true);
cylinder(r=motor_center_diameter/2,h=10*motor_stand_thickness,center=true,$fn=40);
// Level the motor area
translate([0,0,motor_stand_thickness*2])
bcube([motor_width,motor_width,frame_thickness],cr=5,cres=10);
// Level the motor area
hull() {
translate([0,motor_adjust_margin/2-10,motor_stand_thickness*2])
bcube([motor_width,motor_width+20,frame_thickness],cr=5,cres=10);
translate([0,-motor_adjust_margin/2,motor_stand_thickness*2])
bcube([motor_width,motor_width,frame_thickness],cr=5,cres=10);
}
// ------- END MOTOR HOLES --------
} // End of centering over motor shaft
} // End of if(with_motor)

22008
Hardware/main_frame/stl/frame.stl
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File diff suppressed because it is too large Load Diff

2
README.md
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@ -12,7 +12,7 @@ This hardware/software is provided "as is", and you use the hardware/software at
News
--
**Hardware**
- v0.9.6 has a robust Y axis motor stand (improvement suggested and tested by Yopero), and the Z carriage now shows the name of the machine (how cool is that? :P)
- v0.9.6 has a robust Y axis motor stand (improvement suggested and tested by **Yopero**), and the Z carriage now shows the name of the machine (how cool is that? :P)
**Software**
- First Z probing results are promising, read: <https://plus.google.com/u/0/113437723819360223498/posts/9VCHqqnirj6> and <https://plus.google.com/u/0/113437723819360223498/posts/89W2cv1fgQW>