Terminal block holder - Revision history

James: updated dimensions to make v2 after trial fit of v1 didn't work so well.

2017-05-05T20:57:34Z

updated dimensions to make v2 after trial fit of v1 didn't work so well.

← Older revision		Revision as of 20:57, 5 May 2017
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	<pre>		<pre>
	<nowiki>		<nowiki>
	//Terminal Block Holder v1		//Terminal Block Holder v2 - reduced height from 15 to 10 and raised screw hole 2mm by reducing end width (EW) from 12 to 8.
	//James Sullivan		//James Sullivan
	//5/1/17		//5/1/17
	//OpenSCAD version 2015.03-1		//OpenSCAD version 2015.03-1
	//HacDC, cheap Chinese laser, K40, 40 watt		//HacDC, cheap Chinese laser, K40, 40 watt
	//These parts hold a terminal block for landing of the wires going to the safety interlock switches. It is designed to use self threading screws without nuts. Handedness is based upon which end of the terminal strip the mount sets on when looking at the terminal strip. The right piece goes toward the back of the machine and ~~is installed first. The~~ left piece goes toward the front of the ~~machine~~ and ~~is installed second~~.		//These parts hold a terminal block for landing of the wires going to the safety interlock switches. It is designed to use self threading
			screws without nuts. Handedness is based upon which end of the terminal strip the mount sets on when looking at the terminal strip.
			The right piece goes toward the back of the machine, and the left piece goes toward the front. The first version was too tall to slide
			on the front of the chassis and too long to fit on the back, so both dimensions are reduced here in version 2.
	thick=5; //thickness of part		thick=5; //thickness of part
	metal=1; //metal thickness of the chassis sheet metal		metal=1; //metal thickness of the chassis sheet metal
	slot=16; //width of slot in mount, width of flange on machine, full width outside to outside!		slot=16; //width of slot in mount, width of flange on machine, full width outside to outside!
	height = 15; //z distance of mount, extrusion height, installed length		height = 10; //z distance of mount, extrusion height, installed length
	tw=slot+2*thick; //total width		tw=slot+2*thick; //total width
	$fn=40;		$fn=40;
	bhd=4.0; //bolt hole diameter		bhd=4.0; //bolt hole diameter
	et=4.0; //end thickness between bolt ~~hold~~ perimeter and square end		et=4.0; //end thickness between bolt hole perimeter and square end
	ew=12.0; //end width		ew=8.0; //end width: height of mounting boss
	foo=6.7; //width of cylinders		foo=6.7; //width of cylinders
	foo2=8.7; //thickness of terminal strip in axial direction of mounting screws		foo2=8.7; //thickness of terminal strip in axial direction of mounting screws
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	right();		right();
	translate([0,20,0]) mirror([0,1,0]) right();		translate([0,-ew2-metal3,0]) mirror([0,1,0]) right();
	</nowiki>		</nowiki>
	</pre>		</pre>
	[[Category: CheapChineseLaser]]		[[Category: CheapChineseLaser]]

James: added link to stl file

2017-05-02T03:43:22Z

added link to stl file

← Older revision		Revision as of 03:43, 2 May 2017
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			[[File:Tbh.stl]]

	<pre>		<pre>
	<nowiki>		<nowiki>
	//~~Front Door Switch~~ Holder v1		//Terminal Block Holder v1
	//James Sullivan		//James Sullivan
	//5/1/17		//5/1/17

James: page created

2017-05-02T03:36:03Z

page created

New page

<pre>
<nowiki>
//Front Door Switch Holder v1
//James Sullivan
//5/1/17
//OpenSCAD version 2015.03-1
//HacDC, cheap Chinese laser, K40, 40 watt
//These parts hold a terminal block for landing of the wires going to the safety interlock switches. It is designed to use self threading screws without nuts. Handedness is based upon which end of the terminal strip the mount sets on when looking at the terminal strip. The right piece goes toward the back of the machine and is installed first. The left piece goes toward the front of the machine and is installed second.
thick=5; //thickness of part
metal=1; //metal thickness of the chassis sheet metal
slot=16; //width of slot in mount, width of flange on machine, full width outside to outside!
height = 15; //z distance of mount, extrusion height, installed length
tw=slot+2*thick; //total width
$fn=40;
bhd=4.0; //bolt hole diameter
et=4.0; //end thickness between bolt hold perimeter and square end
ew=12.0; //end width
foo=6.7; //width of cylinders
foo2=8.7; //thickness of terminal strip in axial direction of mounting screws
rd=2.8; //root diameter of mounting screws
module right(){ difference(){
union(){
cube([tw,thick,height]); //top horizontal
translate([thick+metal,-thick-metal,0]) cube([slot+thick-metal,thick,height]); //lower horizontal
translate([0,-metal-thick*1.5,0]) cube([thick,metal+thick*2.5,height]); //left vertical
translate([thick+metal,-1.5*thick-metal,0]) cube([thick,thick*1.5,height]); //center vertical
translate([slot+thick,-metal-thick,0]) cube([thick,metal+thick*2,height]); //right vertical
translate([thick*2,-ew-metal,0]) cube([slot-thick,ew,height+bhd+2*et]);
}
translate([0,-ew/2-metal,height+et+bhd/2]) rotate([0,90,0]) cylinder(d=rd,h=tw);
}}

right();
translate([0,20,0]) mirror([0,1,0]) right();
</nowiki>
</pre>
[[Category: CheapChineseLaser]]