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R7 - x axis bearings / lcd window
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x-carriage linear bearings holder update
LCD window frame adjustment
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@akukan
akukan committed Jun 8, 2021
1 parent d7f81f2 commit bc7818d
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Showing 7 changed files with 33,042 additions and 29,287 deletions.
74 changes: 35 additions & 39 deletions Printed-Parts/SCAD/LCD-cover-ORIGINAL-MK3.scad
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Original file line number Diff line number Diff line change
Expand Up @@ -14,10 +14,10 @@ module main_body()
{
// main body
translate( [ -77 , -4.5 , 0 ] ) cube( [ 155 , 59.8 , 2 ] );
translate( [ -77 , -4.5 , 0 ] ) rotate([35,0,0]) cube( [ 155 , 2 , 20.08 ] );
translate( [ -77 , -4.5 , 0 ] ) rotate([35,0,0]) cube( [ 155 , 3 , 20.08 ] );
translate( [ -77 , -3.5 , -1 ] ) rotate([35,0,0]) cube( [ 7 , 5 , 15 ] );
translate( [ 71 , -3.5 , -1 ] ) rotate([35,0,0]) cube( [ 7 , 5 , 15 ] );
translate( [ -77 , -14.7 , 14.2 ] ) cube( [ 155 , 2 , 11.8 ] );
translate( [ -77 , -15.2 , 14.2 ] ) cube( [ 155 , 3.1 , 11.8 ] );
translate( [ -77 , 54 , 0 ] ) cube( [ 155 , 2 , 17 ] );

// M3 hole body
Expand All @@ -27,25 +27,14 @@ module main_body()

// LCD window
translate( [ -61.5 , 1 , 1.2 ] ) cube( [ 98.5 , 42 , 10 ] );
translate( [ -54.5 , 8 , -1 ] ) cube( [ 85 , 30.5 , 10 ] );

// buzzer holes
translate( [ 55 , 1.5 , -1 ] ) cube( [ 1.3 , 4 , 10 ] );
translate( [ 57 , 1.5 , -1 ] ) cube( [ 1.3 , 4 , 10 ] );
translate( [ 59 , 1.5 , -1 ] ) cube( [ 1.3 , 4 , 10 ] );
translate( [ 61 , 1.5 , -1 ] ) cube( [ 1.3 , 4 , 10 ] );
translate( [ 63 , 1.5 , -1 ] ) cube( [ 1.3 , 4 , 10 ] );
translate( [ 65 , 1.5 , -1 ] ) cube( [ 1.3 , 4 , 10 ] );
translate( [ 67 , 1.5 , -1 ] ) cube( [ 1.3 , 4 , 10 ] );

// buzzer holes corners
translate( [ 66.25 , 1.5 , -0.5 ] ) rotate([0,45,0]) cube( [ 2 , 4 , 2 ] );
translate( [ 64.25 , 1.5 , -0.5 ] ) rotate([0,45,0]) cube( [ 2 , 4 , 2 ] );
translate( [ 62.25 , 1.5 , -0.5 ] ) rotate([0,45,0]) cube( [ 2 , 4 , 2 ] );
translate( [ 60.25 , 1.5 , -0.5 ] ) rotate([0,45,0]) cube( [ 2 , 4 , 2 ] );
translate( [ 58.25 , 1.5 , -0.5 ] ) rotate([0,45,0]) cube( [ 2 , 4 , 2 ] );
translate( [ 56.25 , 1.5 , -0.5 ] ) rotate([0,45,0]) cube( [ 2 , 4 , 2 ] );
translate( [ 54.25 , 1.5 , -0.5 ] ) rotate([0,45,0]) cube( [ 2 , 4 , 2 ] );
translate( [ -52.5 , 8 , -1 ] ) cube( [ 80 , 30.5 , 10 ] );

for(buzz = [55 : 2 : 67])
{
translate([buzz,1.5,-1]) cube([1.3,4,10]);
translate([buzz-0.75,1.5,-0.5]) rotate([0,45,0]) cube([2,4,2]);
if(buzz<67) translate([buzz+1.25,1.5,-0.5]) rotate([0,45,0]) cube([2,4,2]);
}

// knob hole
translate( [ 62.5 , 21 , -1 ] ) cylinder( h = 10, r = 6, $fn=30);
Expand All @@ -62,10 +51,17 @@ module main_body()
translate( [ 48.7 , 27.8 , -1 ] ) rotate([0,0,45]) cube( [ 3.55 , 1 , 9 ] );

// rear support cutout
translate( [ -64.5 , -12.7 , 14 ] ) cube( [ 10 , 3 , 16 ] );
translate( [ 55.5 , -12.7 , 14 ] ) cube( [ 10 , 3 , 16 ] );
translate( [ -64.5 , -12.1 , 14 ] ) cube( [ 10 , 3 , 16 ] );
translate( [ 55.5 , -12.1 , 14 ] ) cube( [ 10 , 3 , 16 ] );

}

difference()
{
translate([-70,55.5,-2]) rotate([55,0,0]) cube([120,5,5]);
translate([-100,40,-9.5]) cube([200,50,10]);

}
}

module pcb_clip()
Expand Down Expand Up @@ -145,7 +141,7 @@ difference()
translate( [ -80 , 9 , 16.5 ] ) cube( [ 10 , 28 , 4.5 ] );

// front and rear angle
translate( [ -81 , -9.3 , -17 ] ) rotate([35,0,0]) cube( [ 164 , 14 , 54.08 ] );
translate( [ -81 , -10.5 , -17 ] ) rotate([32,0,0]) cube( [ 164 , 14 , 54.08 ] );
translate( [ -78 , 72.7 , -3 ] ) rotate([45,0,0]) cube( [ 160 , 14 , 54.08 ] );

// M3 screw thread
Expand All @@ -164,37 +160,37 @@ difference()
translate( [ -21 , 41.3 , -0.4 ] ) cylinder( h = 1, r = 0.8, $fn=30);

// front cleanup
translate( [ -100 , -64 , 0 ] ) cube( [ 200 , 50 , 50 ] );
translate( [ -100 , -64.6 , 0 ] ) cube( [ 200 , 50 , 50 ] );

// X sign on reset button
translate( [ 63 , 34 , -1 ] ) rotate([0,0,45]) cube( [ 2, 8, 2 ] );
translate( [ 57.5 , 35.5 , -1 ] ) rotate([0,0,-45]) cube( [ 2, 8, 2 ] );

// corners
translate( [ 73 , -5 , -1 ] ) rotate([0,45,0]) cube( [ 7, 80, 7 ] );
translate( [ -82 , -5 , -1 ] ) rotate([0,45,0]) cube( [ 7, 80, 7 ] );

translate( [ -82 , 58 , -5 ] ) rotate([45,0,0]) cube( [ 200, 7, 7 ] );
translate([74.05,-5,-2.7]) rotate([0,35,0]) cube([7,80,7]);
translate([-82.8,-5,-1]) rotate([0,55,0]) cube([7,80,7]);
translate( [ -82 , 58.5 , -5 ] ) rotate([55,0,0]) cube( [ 200, 7, 7 ] );
translate( [ -77 , 51 , -4 ] ) rotate([0,0,45]) cube( [ 8, 8, 50 ] );
translate( [ 78 , 51 , -4 ] ) rotate([0,0,45]) cube( [ 8, 8, 50 ] );
translate( [ 78 , -19 , -4 ] ) rotate([0,0,45]) cube( [ 5, 5, 50 ] );
translate( [ -77 , -19 , -4 ] ) rotate([0,0,45]) cube( [ 5, 5, 50 ] );

// LCD corners
translate( [ -54.5 , 9.5 , -5.2 ] ) rotate([45,0,0]) cube( [ 85 , 5 , 5 ] ); // LCD window
translate( [ -54.5 , 37 , -5.2 ] ) rotate([45,0,0]) cube( [ 85 , 5 , 5 ] ); // LCD window
rotate([35,0,0]) translate( [ -78 , -8 , -4 ] ) rotate([0,0,45]) cube( [ 6, 6, 50 ] );
rotate([35,0,0]) translate( [ 79 , -8 , -4 ] ) rotate([0,0,45]) cube( [ 6, 6, 50 ] );
translate( [ -52.5 , 9.5 , -5.2 ] ) rotate([45,0,0]) cube( [ 80 , 5 , 5 ] ); // LCD window
translate( [ -52.5 , 37 , -5.2 ] ) rotate([45,0,0]) cube( [ 80 , 5 , 5 ] ); // LCD window
rotate([32,0,0]) translate( [ -78 , -9.1 , -4 ] ) rotate([0,0,45]) cube( [ 6, 6, 50 ] );
rotate([32,0,0]) translate( [ 79 , -9.1 , -4 ] ) rotate([0,0,45]) cube( [ 6, 6, 50 ] );
translate( [ -100 , -40 , -50 ] ) cube( [ 200 , 50 , 50 ] );


// version
translate([-73,15,4]) rotate([90,0,90]) linear_extrude(height = 2)
{ text("R2",font = "helvetica:style=Bold", size=7, center=true); }


}

// print support for SD card opening
// SD card window support
translate( [ -76.5 , 15 , 16.70 ] ) cube( [ 1 , 5 , 4.1 ] );
translate( [ -76.5 , 25 , 16.70 ] ) cube( [ 1 , 5 , 4.1 ] );






59 changes: 47 additions & 12 deletions Printed-Parts/SCAD/bearing.scad
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Original file line number Diff line number Diff line change
Expand Up @@ -42,28 +42,63 @@ module horizontal_bearing_holes(bearings=1){

}

module horizontal_bearing_holes_nozip(bearings=1){
cutter_lenght = 10+bearings*25;
one_holder_lenght = 8+25;
holder_lenght = 8+bearings*25;
module horizontal_bearing_holes_nozip(bearings=1)
{
cutter_lenght = 10+bearings*25;
one_holder_lenght = 8+25;
holder_lenght = 8+bearings*25;

// Main bearing cut
difference(){
translate(v=[0,0,12]) rotate(a=[90,0,0]) translate(v=[0,0,-cutter_lenght/2]) cylinder(h = cutter_lenght, r=(bearing_diameter/2)+0.2, $fn=50);
// Bearing retainers
translate(v=[0,1-holder_lenght/2,3]) cube(size = [24,6,8], center = true);
translate(v=[0,-1+holder_lenght/2,3]) cube(size = [24,6,8], center = true);
}
// Main bearing cut
difference()
{
translate(v=[0,0,12]) rotate(a=[90,0,0]) translate(v=[0,0,-cutter_lenght/2]) cylinder(h = cutter_lenght, r=(bearing_diameter/2)+0.2, $fn=50);
// Bearing retainers
translate(v=[0,1-holder_lenght/2,3]) cube(size = [24,6,8], center = true);
translate(v=[0,-1+holder_lenght/2,3]) cube(size = [24,6,8], center = true);
}
}

module horizontal_bearing_holes_nozip_smooth(bearings=1)
{
cutter_lenght = 10+bearings*25;
one_holder_lenght = 8+25;
holder_lenght = 8+bearings*25;

// Main bearing cut
difference()
{
translate(v=[0,0,12]) rotate(a=[90,0,0]) translate(v=[0,0,-cutter_lenght/2]) cylinder(h = cutter_lenght, r=(bearing_diameter/2)+0.2, $fn=150);
// Bearing retainers
translate(v=[0,1-holder_lenght/2,3]) cube(size = [24,6,8], center = true);
translate(v=[0,-1+holder_lenght/2,3]) cube(size = [24,6,8], center = true);
}
}

module horizontal_bearing_holes_smooth_nozip(bearings=1)
{
cutter_lenght = 10+bearings*25;
one_holder_lenght = 8+25;
holder_lenght = 8+bearings*25;

// Main bearing cut
difference()
{
translate(v=[0,0,12]) rotate(a=[90,0,0]) translate(v=[0,0,-cutter_lenght/2]) cylinder(h = cutter_lenght, r=(bearing_diameter/2)+0.2, $fn=120);
// Bearing retainers
translate(v=[0,1-holder_lenght/2,3]) cube(size = [24,6,8], center = true);
translate(v=[0,-1+holder_lenght/2,3]) cube(size = [24,6,8], center = true);
}
}




thinwall = 3;
bearing_size = bearing_diameter + 2 * thinwall;

module vertical_bearing_base(){
translate(v=[-2-bearing_size/4,0,29]) cube(size = [4+bearing_size/2,bearing_size,58], center = true);
cylinder(h = 58, r=bearing_size/2, $fn = 90);
cylinder(h = 58, r=bearing_size/2, $fn = 250);
}

module vertical_bearing_holes(){
Expand Down
16 changes: 8 additions & 8 deletions Printed-Parts/SCAD/x-carriage-back.scad
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Original file line number Diff line number Diff line change
Expand Up @@ -40,11 +40,15 @@ module x_carriage_back()
translate([-20,-19.5,9]) cube([50,7.5,10]);

// bearings
translate([-15,-25,11.75]) rotate([0,90,0]) cylinder( h=31, r=7.6, $fn=30 );
translate([-30,20,11.75]) rotate([0,90,0]) cylinder( h=60, r=7.6, $fn=30 );
translate([-15,-25,11.75]) rotate([0,90,0]) cylinder( h=31, r=7.6, $fn=150 );
translate([-30,20,11.75]) rotate([0,90,0]) cylinder( h=60, r=7.6, $fn=150 );
translate([-17,-25,11.75]) rotate([0,90,0]) cylinder( h=60, r=7, $fn=30 );
translate([-32,20,11.75]) rotate([0,90,0]) cylinder( h=80, r=7, $fn=30 );

translate([-15,-25-2,18]) cube([30,4,2]);
translate([-30,20-2,18]) cube([60,4,2]);


// hold together screws
translate([-5,-36,10]) rotate([0,0,0]) cylinder( h=50, r=1.65, $fn=50 );
translate([1,4,10]) rotate([0,0,0]) cylinder( h=50, r=1.65, $fn=50 );
Expand Down Expand Up @@ -76,7 +80,7 @@ module x_carriage_back()
}
// cable holder screw
translate([0.5,-27,11]) rotate([0,0,90]) cylinder( h=40, r=1.6, $fn=30 );
translate([0.5,-27,16.5]) rotate([0,0,0]) cylinder( h=5, r=3.1, $fn=6 );
translate([0.5,-27,16.75]) rotate([0,0,0]) cylinder( h=5, r=3.1, $fn=6 );

// x-carriage screws in belt holders
translate([-11.5,-0.5,10]) rotate([0,0,90]) cylinder( h=40, r=3, $fn=30 );
Expand Down Expand Up @@ -129,11 +133,7 @@ module x_carriage_back()
// inner cable cleanup
translate([-1,-19.5,14]) rotate([0,30,0]) cube([10,7.5,10]);
translate([-5,-19.5,10]) rotate([0,-30,0]) cube([10,7.5,10]);

// version
translate([-13,-30,22.5]) rotate([0,0,0]) linear_extrude(height = 0.75)
{ text("R4",font = "helvetica:style=Bold", size=6, center=true); }



// upper ziptie left
translate([-21.5,-25,0])difference()
Expand Down
10 changes: 5 additions & 5 deletions Printed-Parts/SCAD/x-carriage.scad
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Original file line number Diff line number Diff line change
Expand Up @@ -66,10 +66,13 @@ module x_carriage_base()
module x_carriage_holes()
{
// Small bearing holder holes cutter
translate([-33/2,0,0]) rotate([0,0,90]) horizontal_bearing_holes_nozip(1);
translate([-33/2,0,0]) rotate([0,0,90]) horizontal_bearing_holes_nozip_smooth(1);
translate([-4,-2.5,4]) rotate([0,0,90]) cube([5,25,2]);

// Long bearing holder holes cutter
translate([-33/2,45,0]) rotate([0,0,90]) horizontal_bearing_holes_nozip(2);
translate([-33/2,45,0]) rotate([0,0,90]) horizontal_bearing_holes_nozip_smooth(2);
translate([8.5,45-2.5,4]) rotate([0,0,90]) cube([5,50,2]);


// upper ziptie right
translate([2,0,0])
Expand Down Expand Up @@ -387,9 +390,6 @@ module x_carriage()
translate([0,-0.5,0]) left_belt_cut();
translate([0,0.5,0]) right_belt_cut();

//version
translate([-11,-2,0.7]) rotate([0,180,0]) linear_extrude(height = 0.75)
{ text("R4",font = "helvetica:style=Bold", size=6, center=true); }


}
Expand Down
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