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Initial commit for new branch with reversed brake arm direction on y-axis so that mechanical shocks at the wheel cause brakes to ease off, rather than jolting onto application.

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Teddy Middleton-Smith
2025-02-25 15:49:37 +00:00
parent 659001351e
commit cd60aff3e5
10 changed files with 18 additions and 9 deletions
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6
models/brake/brake_assembly.scad
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@@ -38,13 +38,13 @@ module brake_assembly(angle_brake_rod) {
for (index_side_x = [0:1:1]) {
mirror([index_side_x, 0, 0]) {
translate([X_OFFSET_FIXING_BRAKE_ARM_TO_LEAD_PLATE, 0, 0]) rotate([0, 0, -(90 - angle_brake_rod)]) {
translate([X_OFFSET_FIXING_BRAKE_ARM_TO_LEAD_PLATE, 0, 0]) rotate([0, 0, (90 - angle_brake_rod)]) {
// brake arm
translate([R_BRAKE_ARM[0] / 2, 0, 0]) brake_arm();
// fixing brake arm to brake pad
translate([R_BRAKE_ARM[0] - X_OFFSET_FIXING_BRAKE_ARM_TO_BRAKE_PAD_FROM_END, 0, R_BRAKE_ARM[2] / 2]) rotate([0, 0, 90 - ANGLE_BRAKE_ROD_MAX]) fixing_brake_arm_to_brake_pad();
translate([R_BRAKE_ARM[0] - X_OFFSET_FIXING_BRAKE_ARM_TO_BRAKE_PAD_FROM_END, 0, R_BRAKE_ARM[2] / 2]) rotate([0, 0, -(90 - angle_brake_rod)]) fixing_brake_arm_to_brake_pad();
// brake pad
translate([R_BRAKE_ARM[0] - X_OFFSET_FIXING_BRAKE_ARM_TO_BRAKE_PAD_FROM_END, 0, R_BRAKE_ARM[2] / 2 + T_FIXING_BRAKE_ARM_TO_BRAKE_PAD + (W_FIXING_BRAKE_ARM_TO_BRAKE_PAD - T_FIXING_BRAKE_ARM_TO_BRAKE_PAD) / 2]) rotate([0, 0, 90 - ANGLE_BRAKE_ROD_MAX]) translate([T_FIXING_BRAKE_ARM_TO_BRAKE_PAD, 0, 0]) brake_pad();
translate([R_BRAKE_ARM[0] - X_OFFSET_FIXING_BRAKE_ARM_TO_BRAKE_PAD_FROM_END, 0, R_BRAKE_ARM[2] / 2 + T_FIXING_BRAKE_ARM_TO_BRAKE_PAD + (W_FIXING_BRAKE_ARM_TO_BRAKE_PAD - T_FIXING_BRAKE_ARM_TO_BRAKE_PAD) / 2]) rotate([0, 0, -(90 - angle_brake_rod)]) translate([T_FIXING_BRAKE_ARM_TO_BRAKE_PAD, 0, 0]) brake_pad();
}
// fixing brake arm to rear axle leg
translate([X_POS_AXLE_LEG_REAR, -y_pos_lead_fixing_ballscrew_to_brake_arms + Y_POS_AXLE_REAR, 0]) fixing_brake_arm_to_rear_axle_leg();