whipsaw/bobbin.scad

include <BOSL/constants.scad>
use <BOSL/transforms.scad>
use <BOSL/joiners.scad>
use <./core_uy1658-60.scad>
use <./legs.scad>

/* [Options] */

LegLength=30.40;
LegDiameter=16;
BoltDiameter=7.06;
CoreGap=0;
NumberCoils=10;
YokeHeight = 12.14;
YokeLen=28.00;

/* [Render Options] */
render_fs=.1;
render_fn=0;
render_fa=.1;

// Set Render Options
$fs= ($preview) ? $fs : render_fs;
$fn= ($preview) ? $fn : render_fn;
$fa= ($preview) ? $fa : render_fa;
 

// Bobbin
Bobbin_Length=LegLength+CoreGap/2;

module core_leg(d=LegDiameter, l=LegLength, bd=BoltDiameter) {
	difference() {
		cylinder(d=d, h=l);
		down(1) left(d/2) cylinder(d=bd, h=l+2);
	}
}

module core_uy1658(ld=16, ll=29, bz=12.14, w=60) {
	echo("Leg Len:", ll-bz);
	xflip_copy() {
		left(w/2) core_leg(d=ld, l=ll);
		fwd(ld/2) cube([w/2,16,bz]);
	}
}

module bobbin_joiners(ld=LegDiameter, ll=LegLength, lb=12.14, tg=CoreGap, lc=.15, t=.4, sn=NumberCoils+1, st=.6, sd=50, plug=true, clear=false) {
	bl=2*(ll-lb) + tg;
	conThick = 12;
	conWidth = 15;
	inner=ld+2*lc;
	pinLen = 2* conThick + bl;
	zflip_copy() 
		up((pinLen-conThick)/2) {
		xflip() {
			if (clear) 
				half_joiner_clear(h=conWidth, w=conThick,orient=ORIENT_X_90);
			else if (plug) 
				half_joiner(h=conWidth, w=conThick,l=conThick/2,orient=ORIENT_X_90);
			else
				half_joiner2(h=conWidth, w=conThick,l=conThick/2,orient=ORIENT_X_90);
		}
	}
}

module bobbin(ld=LegDiameter, ll=LegLength, lb=12.14, tg=CoreGap, lc=.15, t=.4, sn=NumberCoils+1, st=.6, sd=50, orient=ORIENT_X, align=V_CENTER) {
	bl=2*(ll-lb) + tg;
	inner=ld+2*lc;
	outer=inner+2;

	conNeck = 5;
	conHead = 5;
	conThick = 12;
	conWidth = 15;
	pinLen = 2* conThick + bl;
	orient_and_align([sd,sd,bl], orient, align, orig_orient=ORIENT_X) {
		difference() {
			union() {
				cylinder(d=outer,h=bl, center=true);
				zspread(n=sn,l=bl-st) {
					cylinder(d=sd,h=st,center=true);
					left(sd/4)cube([sd/2,sd,st], center=true);
				}
				// connector
				left(inner/2+5) bobbin_joiners();
			}
			cylinder(d=inner,h=bl+2*conThick+2,center=true);
			// Wire Channels
			yspread(n=2, l=5+sd/2 
			left(sd/2) cylinder(d=2,h=bl+2,center=true);
		}
		left(2*lc+inner/2) intersection() {
			cylinder(d=6,h=pinLen, center=true);
			right(2*lc+inner/2) cylinder(d=inner, h=pinLen+2, center=true);
		}
	}
	echo("Coil_ID = ", outer);
	echo("Coil_len = ", bl-sn*st);
}

legx = (YokeLen + LegDiameter)/2;
right(legx) bobbin(sn=2, sd=26, orient=ORIENT_XNEG);
left(legx) bobbin();
%core(gap=0);
//left(20+20) rotate([90,0,0]) snaps();
//core_uy1658();