From 33bc5b6d63d542af268a3af98a7f07c57cce73a4 Mon Sep 17 00:00:00 2001 From: Michael Krelin Date: Mon, 06 Aug 2018 11:34:34 +0000 Subject: tensioner's nut tolerances --- diff --git a/another.scad b/another.scad index 7e7f22d..3d804c1 100644 --- a/another.scad +++ b/another.scad @@ -53,6 +53,8 @@ module the_extruder( mount_screw_d_tolerance=.4, idler_v_tolerance=.5, knob_bore_d_tolerance=.6, + st_nut_h_tolerance=.2, + st_nut_d_tolerance=.2,/* TODO: make it st_nut_w_tolerance */ what="lever", // lever|body|knob|springpad|* left=false, @@ -212,14 +214,14 @@ module the_extruder( translate([0,0,st_thickshell]) hull() for(o=[0,spring_d]) translate([0,-o,0]) rotate([0,0,30]) - cylinder(d=st_nut_d,h=st_nut_h,$fn=6); + cylinder(d=st_nut_d+st_nut_d_tolerance,h=st_nut_h+st_nut_h_tolerance,$fn=6); translate([0,0,-1]) cylinder(d=st_screw_d,h=fsw+2,$fn=fnd*st_screw_d); bigd = spring_d+spring_d_clearance; hf = (bigd-st_screw_d)/2; - translate([0,0,st_thickshell+st_nut_h+st_thinshell-epsilon]) + translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell-epsilon]) cylinder(d1=st_screw_d,d2=bigd, h=hf+epsilon, $fn=fnd*bigd); - translate([0,0,st_thickshell+st_nut_h+st_thinshell+hf-epsilon]) + translate([0,0,st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell+hf-epsilon]) cylinder(d=bigd,h=fsw+1,$fn=fnd*bigd); } } @@ -341,7 +343,7 @@ module the_extruder( smalld=st_screw_d+2*extrusion_width; bigd = spring_d+spring_d_clearance/2; hf = (bigd-smalld)/2; - translate([-gearbox_d/2+st_thickshell+st_nut_h+st_thinshell+1,-longwing,filament_elevation]) + translate([-gearbox_d/2+st_thickshell+st_nut_h+st_nut_h_tolerance+st_thinshell+1,-longwing,filament_elevation]) rotate([0,90,0]) difference() { union() { cylinder(d1=smalld,d2=bigd,h=hf,$fn=fnd*bigd); -- cgit v0.9.0.2