Perhaps one of the most ancient and at the same time, and still most common methods of connecting parts of machinery, parts, tools — mount rivets. Is riveting, as a rule, the percussion method.
I think many know the situation: you come home from work – totally exhausted and again, eyes clinging to the instrument on the shelf and the “sticks” hanging on the wall since last year. Automatically then I remember that the season has long been opened and begin a frenzy to finish the plane… eyes, lying on the couch. However, this does not last too long. Comes a real enthusiasm and somewhere there is immeasurable energy. But… for some reason it always occurs exactly at the end of the season. And when more than half of the super-model is ready, a bad weather, the rains, snow and other delights associated with autumn. The plane is just so desirable again “hangs” on the wall. He rarely survives until the next season (or tide mood!), often “killed” by a caring hand of his wife, wipe the dust off it.
Many are familiar with the ancient art of Inlaid wood. Magnificent paintings drawn from tens and hundreds of pieces of wood, and now decorate the interior of apartments. But we are not going to describe the technology of this complex case, and we will tell about a simplified method of inlay (call it “pseudoinsulata”) using a self-adhesive polymer films, imitating precious wood. We offer several ways to create a “wooden” pictures.
Equally uncomfortable to sit and when feet do not reach the floor and if the seat is very low. I think everyone has noticed that, sitting behind the piano, the pianist is rotating the seat, adjusting its height to your height. The wooden stool offered by the Polish magazine “Throb himself,” no moving parts, however, its height can be adjusted. The way the stool follows.
What should be the car for summer camp? Some not without reason consider that the creation of autoconstructor mug here is futile, since class time is extremely limited. But this, we think, is wrong: you only need to choose an object to design.
When performing electrical work have to drill a very large number of holes in the walls and partitions. In a brick or prefabricated houses not to dispense with carbide drills. However, such a tool is not enough for a long time: the working edges of the drill bits become dull and crumble and need to be sharpened. This is typically done using special “green” wheels, but they are expensive and wear out quickly. Faced with this problem, I started looking for alternative technology and stopped at electroerosion grinding devices.
The model with the air screw 2.5 cm grade3 designed and manufactured in a self-similar circle of Penza city station of young technicians. It is inherent excellent ride quality, stability and reliability of running. At the VI all-Union winter competitions, this model has a top speed 171,428 km/h and won first place.
On the instructions of the enterprises of Dzerzhinsk-khimpromenergo in the design office of the school # 2 of Dzerzhinsk, Gorky region, the guys have designed and built a device for measuring the pressure of neutral media in the pipes — an electronic pressure gauge. One of its founders, a student of the tenth class Sergey Whalin, said that the installation or repair of compressors necessary to carry out Express-analysis of the condition of the equipment. Devices, testifying to the extent necessary for a specific production, yet.
To lift and move manually to a large barrel and it is not easy and inconvenient: not to hold on. Meanwhile, equip it with a pair of convenient handles very easy. Do in the side wall at the upper edge are two semi-circular cut. Fold the resulting segments up and put a bend section thick Read more…
I want to share with the readers of his instrument who successfully work for a long time. Similar design available to me in the literature I have not met.
