Proxxonb TBH 220 What I like about this drill: Good build quality, a very powerful engine for such a small machine, good Ersatzteilversorung and a setting up slack in the belt. What I did not like about this drill: Proxxon has tried to build a jack of all trades. The Bohrmschinengehäuse (drive unit and boring) let rotate 360 ° around the column. This need not be! The resulting disadvantage is a multiple clamping of the rack, with the height adjustment is made. On Bohrghäuse itself there are two more to weakly designed, Clamps who succumb over time increased wear. For sample I had a Primus 100 vice properly assembled in order to make some exploratory drilling in a 3mm thick aluminum profile. For this I used a new 5.5 mm drill. Using a digital caliper I have measured it a hole of 5.7mm. The double clamping the drill housing had not been sufficiently tight. Conclusion: For larger "model drilling machine A thicker-walled column, in which one would have taken in a groove on the rack (height adjustment) to attach the rack there fix comes soon reach their limits., The better solution would have been. Another disadvantage is, in my view, that the drilling table made of aluminum - is permanently too soft! A suitable cross table is also made of aluminum - also too soft! You will eventually get bruises from the workpiece or the clamps. A cast iron construction is Proxxon probably too expensive or would have been too heavy. On a forum I read a sentence that made me sit up, and in my opinion also holds true: Proxxon devices are not bad, but require ongoing craft solutions to the equipment optimally for the intended use can nutzenzu. This is an ongoing product improvement "and as a DIY solution?!? Many feel of Proxxon even in this point let down. So if you need a good engine, regardless of whether drilling, turning or milling machine should prefer to look for machines and manufacturers who understand more about these machines. A good cutter is for example not so much more expensive, but provides a more flexible application range without Bastel solutions! If the golden rule is taken into account when purchasing a tool, spend a little more, you will achieve better and lasting precise results and you will be happier!
