Merge pull request #100 from RobertGawron/feature/chassis

cut-off for srew connectors (issue #50)
RobertGawron · Jun 6, 2020 · 94a7f71 · 94a7f71
2 parents 1b75172 + 96e75c1
commit 94a7f71
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Showing 4 changed files with 36 additions and 22 deletions.
diff --git a/mechanical/Chassis/FreeCAD/Chassis.FCStd b/mechanical/Chassis/FreeCAD/Chassis.FCStd
diff --git a/mechanical/Chassis/FreeCAD/Chassis.FCStd1 b/mechanical/Chassis/FreeCAD/Chassis.FCStd1
diff --git a/mechanical/Chassis/OpenSCAD/ChassisBottom.csg b/mechanical/Chassis/OpenSCAD/ChassisBottom.csg
@@ -1,11 +1,20 @@
-group() {
-	difference() {
-		linear_extrude(height = 10, center = false, convexity = 10, scale = [1, 1], $fn = 0, $fa = 12, $fs = 2) {
-			square(size = [86, 71], center = false);
+difference() {
+	group() {
+		difference() {
+			linear_extrude(height = 10, center = false, convexity = 10, scale = [1, 1], $fn = 0, $fa = 12, $fs = 2) {
+				square(size = [86, 71], center = false);
+			}
+			multmatrix([[1, 0, 0, 3], [0, 1, 0, 3], [0, 0, 1, 3], [0, 0, 0, 1]]) {
+				linear_extrude(height = 7, center = false, convexity = 10, scale = [1, 1], $fn = 0, $fa = 12, $fs = 2) {
+					square(size = [80, 65], center = false);
+				}
+			}
 		}
-		multmatrix([[1, 0, 0, 3], [0, 1, 0, 3], [0, 0, 1, 3], [0, 0, 0, 1]]) {
-			linear_extrude(height = 7, center = false, convexity = 10, scale = [1, 1], $fn = 0, $fa = 12, $fs = 2) {
-				square(size = [80, 65], center = false);
+	}
+	group() {
+		multmatrix([[1, 0, 0, 83], [0, 1, 0, 36.44], [0, 0, 1, 3], [0, 0, 0, 1]]) {
+			linear_extrude(height = 10, center = false, convexity = 10, scale = [1, 1], $fn = 0, $fa = 12, $fs = 2) {
+				square(size = [3, 20.668], center = false);
 			}
 		}
 	}

diff --git a/mechanical/Chassis/OpenSCAD/ChassisBottom.scad b/mechanical/Chassis/OpenSCAD/ChassisBottom.scad
@@ -6,28 +6,33 @@ BOTTOM_CHASSIS_THICKNESS = 3;
 BOTTOM_CHASSIS_HEIGHT = 10;
 
 
-module Enclousure()
-{
-//    Union() 
-{
-///
-   //     linear_extrude(height = BOTTOM_CHASSIS_THICKNESS, convexity = 10, twist = 0)
- //           square([PCB_X_LENGTH + BOTTOM_CHASSIS_THICKNESS, PCB_Y_LENGTH + BOTTOM_CHASSIS_THICKNESS]);
+// TODO move to common file for upper enclousure
+SCREW_CONNECTORS_Y = 33.440;
+SCREW_CONNECTORS_DY = 20.668;
 
 
-difference()
+module Enclousure()
 {
+    difference()
+    {
         linear_extrude(height = BOTTOM_CHASSIS_HEIGHT, convexity = 10, twist = 0)
             square([PCB_X_LENGTH + 2*BOTTOM_CHASSIS_THICKNESS, PCB_Y_LENGTH + 2*BOTTOM_CHASSIS_THICKNESS]);
 
-translate([BOTTOM_CHASSIS_THICKNESS, BOTTOM_CHASSIS_THICKNESS, BOTTOM_CHASSIS_THICKNESS])
-        linear_extrude(height = BOTTOM_CHASSIS_HEIGHT - BOTTOM_CHASSIS_THICKNESS, convexity = 10, twist = 0)
-            square([PCB_X_LENGTH , PCB_Y_LENGTH ]);
-
-
-}
+        translate([BOTTOM_CHASSIS_THICKNESS, BOTTOM_CHASSIS_THICKNESS, BOTTOM_CHASSIS_THICKNESS])
+                linear_extrude(height = BOTTOM_CHASSIS_HEIGHT - BOTTOM_CHASSIS_THICKNESS, convexity = 10, twist = 0)
+                    square([PCB_X_LENGTH , PCB_Y_LENGTH ]);
     }
 }
 
 
-Enclousure();
+module ScrewConnectors()
+{
+    translate([PCB_X_LENGTH+BOTTOM_CHASSIS_THICKNESS, SCREW_CONNECTORS_Y+BOTTOM_CHASSIS_THICKNESS, BOTTOM_CHASSIS_THICKNESS])
+        linear_extrude(height = BOTTOM_CHASSIS_HEIGHT, convexity = 10, twist = 0)     
+            square([BOTTOM_CHASSIS_THICKNESS, SCREW_CONNECTORS_DY]);
+}
+
+difference() {
+    Enclousure();
+    ScrewConnectors();
+}