Every day we use a huge amount of things and have almost ceased to notice them. But it turns out in the production of minor things at first glance hides a lot of interesting and informative. Entertainment “Conveyor MK” reveals the secrets of making the most ordinary things at first glance. Today’s program: molds FOR PLASTIC injection MOLDING.


Without exception, all car owners sooner or later have to deal with repairing their vehicles. Well, of course, if this has to do “planning”, but nevertheless need to be prepared for emergencies and be prepared. Therefore, it is necessary to have the maximum number of tools required. In most cases, the basis of such a set is the set of socket wrench made of various domestic and foreign manufacturers. The proposed device will be able to complement this kit, and will expedite the repair.

Of course, treating detail at home, you can keep it and just hand, but it is better to use a vise (if they exist of course) — this will increase the usability and reduce the risk of injury. However, the vise can always help — so varied are the details with which to work. In these cases, the help of simple devices. Some of them we provided in the proposed collection.
The desire to build the house occurred to me simultaneously with the receipt in the middle of 1980-ies of land— coveted six acres. Problem how to build a house: brick or wood— it was not. Brick and concrete walls rather tired and in town. Naturally, the choice fell on the hardwood. Only here what type to prefer: chopped (log, Brusova) or panel-frame— this question remained open. All agreed the case.
Designed and manufactured by me bee feeder resembles a school pencil case. The side and rear walls made of planks with cross section mm 60×10 each of them with the 4-mm deviation from the upper edge chose a circular saw, the groove depth of 4 mm the width of the groove was done such that the valve is cut from a glass, entered into it freely. Given its front wall height is 8 mm less than the side and rear.


Propano-butane mixture, which is filled in cylinders for household gas stoves, in optimal conditions, burns in air with a flame temperature up to 1200 °C. It is sufficient to work with “hard” (sredneivkino) alloys: copper-zinc (brass), silver. But to get a flame, the burner must provide good mixing of gas with air, that is, feeding them at a specific ratio — no more and no less! For easy work with small parts torch should be fine, but at the same time steady and fairly hot.
Modelist-KONSTRUKTOR No. 4, 2012.