August 12, 2017 18:07

principle of operation of submersible pumps Operation of centrifugal pumps used for water wells, proceeds according to the following scheme: a wheel rotation contributes to the development of kinetic energy, which falls on the blade. Centrifugal force moves the fluid in the area of ​​the wheel into the housing, and instead accumulates at a certain pressure the new water. incessant rotati...

August 12, 2017 18:07

snowthrower own hands snow tools Hand brand manufacturing are quite large sums.That's for this and consider that we can apply for snow removal. can often be seen on the streets of special equipment for snow removal.For example, a tractor. for homemade snowplow, we need to use some sort of machine motor (from motor cultivator can be), it is usually sold separately.It is worth rememb...

August 12, 2017 18:07

Bolt in detail there specific terminology, without which it would be difficult to understand when discussing the bolts.Therefore it is necessary to get acquainted with such definitions as thread, thread pitch, etc. Thread - spiral cut into the surface of the shaft portion of the bolt along a helical path with a constant pitch.There is a great many types of threading, methods and guests...

August 12, 2017 18:07

Brief information about the coverage of high-quality materials determine which soleplate better simply.It is enough to know what type of better and be able to recognize its technical properties.The device should always be: be made of the most durable material in order to avoid unnecessary cracks, fracture surfaces, smooth any fabric texture based on lean surface of the material, ...

August 12, 2017 18:07

Expansion effect of the anchor bolt ring placing the anchor into the hole, it is necessary to scroll through, and if the bolt is screwed tight, so that it locks into place. Depending on the wall material should be chosen material for the anchors. steel bolts - for standard fasteners. galvanized steel anchors - not corrode and provides additional protection for walls and structures. ...

August 12, 2017 18:07

How to choose a spatula? Selecting a spatula should be carried out according to certain rules.Of course, it all depends on the type of work.But, nevertheless, there are general guidelines that must be followed.Thus, firstly, it is important to ensure that the blade and the handle are fixedly interconnected.Nothing should stagger. Secondly, the tool must be very elastic and flexible.It is n...

August 12, 2017 18:07

for what they do and how they work? first electronic puncher appeared in 1932.He released his firm Bosch , which has made many advances and discoveries in this area.While the guns used in industry and construction.But over time, they found a large application and "the people."Many ordinary people, may not see any difference between the hammer and impact drill, but these tools are designed ...

August 12, 2017 18:08

What you should know before going to work? before a welding transformer, it is necessary to understand what it is and what characteristics it has.This is the basic element of virtually any welding apparatus electric power converter AC current in the welding current, which carries power function.From the transformer will depend on the weight of the device and the range of its technical possi...

August 12, 2017 18:08

Angle Drill: basic parameters for selecting This type of drilling apparatus refers to the unstressed tools that make its design both simple and complex.The use of this type of device is overdue for drilling surface located in a remote place.As a rule, there are two kinds of angular drilling machine: rechargeable drill angle (compact); Angle Drill Grid (bulk). first type of apparatus ...

August 12, 2017 18:08

Should I buy keyless chuck for drill? jaw chuck for drill can safely be considered more reliable, but do not forget about those disadvantages that are inherent in this variety of equipment.Firstly, quite uncomfortable to always use the special wrench to tighten or release the drill bit.Secondly, this is the key permanently lost, making it difficult to work performed. Important!Prolonged us...