- PP4 - 
Links

This is a selection of component sources. Most of them are German companies. Please note that I do not have any business-relationship to the companies listed below.

Mechanical:

T-Slot aluminium profiles and accesories	http://www.alu-profil-technik.de http://www.smt-montagetechnik.de
Other aluminium profiles (non precision), brass, shaft steel	http://www.wilmsmetall.de
Precision aluminium	Internet auction
PVC plates, POM	Internet auction
PVC tubing	Internet auction
Polystyrene plates	http://www.modulor.de http://www.conrad.de
Silicone tubing, ring magnets, tube fittings, small mechanical elements	http://www.conrad.de
Linear bearings and rails from HiWin	http://www.maschinen-werkzeuge.com
Mostly compatible linear bearings and rails	http://www.romani-gmbh.de
Timing belts, pulleys etc.	http://www.maedler.de
19" rack case	http://www.pollin.de
Springs	http://www.febrotec.de
Other vacuum / pressure related stuff, "Halfpipes" for feeder	Home building center

Electro-mechanical:

Stepper and BLDC motors and encoders	http://www.nanotec.de
Solenoid valves	http://www.pollin.de
Servo motors for feeders	http://www.hobbyking.com
Microswitches for feeders	http://www.conrad.de http://www.digikey.com
Vacuum pump (modified Schego WS3)	Internet auction
Compatible and cheaper shaft encoders for BLDC motors (AMT 102 or 103)	http://www.digikey.com

Electronic components:

TB6560AHQ stepper driver	http://www.segor.de  http://www.digikey.com
Other components, cameras, cables, connectors, heatsinks	http://www.reichelt.de

Complete kits and parts:

David Armstrong (UK) intends to sell complete kits: http://www.placecomponents.com

Please note that I do have no relationship to his business.