BOM

a.k.a. Bill Of Materials:

I divided my CNC in four categories:

1. Aluminum profiles
2. Steel plates
3. Bolts and nuts
4. The rest... guide bars and bearings, motors and control, etc...

The reason it's because I found them at four different companies... in my budget.

1. Aluminum profiles:

Aluminiumprofil, Profile 8 -  40x40 light, natural
Profile Name	PCS	Lenght/pc	Lentgh Total
Bar 1	6	1 324	7 944
Bar 2	4	100	400
Bar 3	4	284	1 136
Bar 4	10	1 240	12 400
Bar 5	2	1 120	2 240
Bar 7	7	145	1 015
Bar 8	4	1 427	5 708
Bar 11	4	670	2 680
Bar 12	1	65	65
Bar 15	1	400	400
Bar 16	12	60	720
Bar 17	1	237	237
Bar 18	1	487	487
Bar 19	6	413	2 478
Bar 20	2	204	408
Bar 21	4	1 343	5 372
Bar 22	2	1 200	2 400
		TOTAL	46 090
			Table
Nutenstein M5 mit Steg I-Typ Nut 8			200
Nutenstein M8 mit Steg I-Typ Nut 8			350

The list includes two extra Bar 8 for eventually failures in my design. If not needed I will use them for the 4th axis maybe.



I couldn't find a company in Sweden to deliver me the profiles within a reasonable price. Also google sucks at finding companies in Sweden which sells them. I found three or four and the price was more than double than what I was hopping.
So I started to look on eBay and I found a company in Germany which was selling my type of profile (40x40 with 8mm gap and 6.8mm diameter hole) http://www.dold-mechatronik.de/
He was very helpful and patient with me :)

The beauty of it was getting them already cut (I believe they were cut automatically). All I know is that if I would receive them in 6m long bars I will definitely lose a few hours, maybe days, cutting them and it will cost a lot more for the transport. The delivery time was OK. around 2 weeks since the payment with a tracking no.
In the end I couldn't be more happy about the aluminum profiles: I payed 6540SEK for all.

2. Steel plates
I have the luck working for a company which deals with steel plates so I will get the material from work and ask a neighbor to cut them according to my drawings
All I need is one plate 1000x2000x2mm and one 500x1000x5mm
It cost me 3500SEK only for the cutting cost. The material was lucky to get it for free from work... but it cannot be more than a few hundreds SEK.

3. Bolts and nuts
From my experience: "you" always underestimate the bolts. Not only the price but also how much they weight.

		Table	X	Y	Z	Needed	Bought
M5x20 - 20C		88	80	16	0	184	200
M5x25 - 25C		0	6	0	38	44	100
M5x45 - 22C		0	0	0	4	4	0
M5x60 - 22C		0	4	24	0	28	0
M5x75 - 22C		4	4	0	0	8	0
M5x80 - 22C		0	4	0	0	4	100
washer 5,5		8	18	0	42	68	500
Nuts M5		4	8	24	32	68	200
M6x30 - 30C				4		4	0
M6x50 - 24C		4	4	0	0	8	0
M6x70 - 24C		4	4	0	0	8	50
washer 7,4		4	0	4	0	8	0
Nuts M6		8	4	4	0	16	0
M8x12 - 12C		0	186	22	0	208	300
M8x16 - 16C		28	27	0	0	55	100
M8x20 - 11,8C (DIN 7991)		36	0	0	0	36	100
M8x20 - 20C		7	8	0	0	15	0
M8x30 - 30C		0	0	4	6	10	100
M8x60 - 28C		6	0	2	0	8	30
M8x100 - 28C		40	28	4	0	72	100
washer 9,3		47	0	0	6	53	100
Nuts M8		6	0	0	0	6	0

The reason i didn't bought all the bolts is that i bought them from Swebolt and they don't sell by piece. So if I would've bought a box for every bolt type in the end I would've payed more than 2000SEK so I decided to buy only the most needed and to "cut" the short ones from the ones longer.
I know that this can be some extra work but is worth it.

4. The rest.
Almost everything else that's left (linear bearings,