promyshlennoct and equipment

Wood Splitters

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Wood splitter, as the name implies, is designed for chopping firewood. The following article Wood splitters called machine that performs operations trimming and splitting wood. The principle of majority machine the next. A log enters on the input conveyor belt moves it toward the side of the device. Side of the device cuts a block of wood from the logs, which falls into the gutter. Hydraulic cylinder pushes the block of wood on a knife stabbing. Block of wood is pushed into the knife and break into pieces. Exotic Wood splitters are manufactured using a different operating principle.

Will is Palax 55, which saw off first block of wood from a log, then manually set opposite end of the wedge. But the performance of these machines are much lower. There are machines that use for cross-cutting guillotine cutting off the device. But ergonomics, productivity and resource raise serious doubts. In the traditional Wood splitters crosscut is performed using a disk or a chainsaw.

Machines that use the circular saw, have better performance, do not require daily thinning saws. But are more expensive. In contrast to the Woodchopper (chopper), Wood splitters are more adapted for installation of auxiliary equipment. Ability to set different racks for feeding logs. Design Wood splitters allows the input conveyor (if not included as standard). Also very convenient to work with the machine, if it is installed conveyor. There are several different classifications Wood splitters. By type of saw machines are divided into: – Machine with bandsaw – Machines with circular saw, the maximum diameter split the wood machines are divided into: – up to 25 sentimentality – sentimentality and 35 – to 40 sentimentality – sentimentality over 40, by type of drive machines are divided into: – Drive a tractor – an electric motor drive; – Combined (tractor / motor) – Diesel; control devices machines are divided into: – Mechanical – Hydraulic. Management of Wood splitters. There are two basic types of control devices: mechanical and hydraulic. Represent a mechanical system of levers of different sizes: lift / lower saws, adjustable-length block of wood, dumping logs into the chute for the split, etc. In machines with hydraulic control levers are used instead of the convenient joystick. But this increases the price. Performance Wood splitters. Wood splitters are more productive than cleaver. And that is important, performance is more predictable. Feed rate of the input conveyor machine is constant. At the same time minimizing the impact the human factor. Assistive devices for Wood splitters. For more convenient work with Wood splitters, there are various accessories. Primarily, it feeding and storage overpass. Also worth noting is the system for cleaning and packaging of the wood. For machines powered by diesel engines operating in cold weather, reasonable fuel heater installation.

Multilayer Blown

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Reduce raw material costs can be done not only by reducing the weight of the product. In most cases, a mixture of blowing products include not only basic material, but also supplements (usually dyes). As a percentage of additives in total weight of the product is not as large, usually 1-3%, manufacturers often do not attach much importance to their purchase costs. On the other hand, when a small percentage of additives by themselves cost quite expensive, many times expensive in terms of 1 kg compared with the basic polymer material. In this case, one thing is the price of titanium dioxide (a normal white dye), the other – the price of special dyes rare flowers from all sorts of visual effects (pearl luster, etc.). That is why, especially in the cosmetics industry, manufacturers of bottles today generally go on two-layer and three-layer technology. Coextrusion blow molding machine configured for two-or three-layered product can reduce the consumption of costly additives than 10 times, since these additives are included only in the thinnest outer layer of the bottle. For the production of bottles with special surfaces, such as soft touch, two-or three-layered method of production is almost mandatory, since expensive materials that form the surface, are introduced not as a supplement, but as a basic material.

Can imagine the difference in the cost of a bottle containing 5 or 10% of special material + rest mass of ordinary polyethylene bottles and 100%, consisting of a special polymer is very expensive. A three-layer technology for compared with two-layer provides a larger scale of economic efficiency. Three-layer bottle in its middle layer can contain more recycled materials than the standard 20-40%, obtained by grinding and spew marriage with the same production of the same bottle. In the middle layer can be placed or “flakes” from other products of the same company (regardless of color, because this layer is not visible), or secondary raw materials, purchased in the market from specialized processors at a lower price than the full primary raw material. Prospects and opportunities Multilayer Blown capacity opens up new opportunities for producers and consumers. Application recycled through a separate layer, except the obvious benefits for the manufacturer to save raw materials, encourages the development of an independent branch of reprocessing of polyolefin waste and selling high-quality “secondary housing” one of them. Using special plastic canister in the agro-economy eliminates the awkward on most parameters of metal containers. Multilayer bottles for food products make it possible significant increase in shelf life of products while simultaneously getting rid of preservatives, making the products more natural.

In particular, the 6-layer bottle based on polypropylene and evoh can keep the juice in During the year, and this, coupled with the possibility of a painless hot filling. Coextrusion blow molding is the only way to manufacture multi-layer bottles with the top pocket sealed aseptic filling; natural dairy products in these bottles can be stored for several months. As a result, barrier packaging and extended shelf life open up entirely new opportunities for retail and logistics marketing of food products. Summary of Today is invited to a sufficient number of options to optimize blow molding industries, to reduce costs while maintaining or improving quality. It is obvious that in order to advantage of these opportunities, you must first invest in them. To follow the path of production efficiency, the principle of “save, then to still save in the minds of enterprises will gradually be replaced the principle of “invest to reduce costs and increase efficiency.”.

Valves

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large hydraulic resistance, the possibility of jamming the bolt in the guide of the cap when using the valve systems with contamination of the environment. Safety valves safety valves – are kind of valves designed for automatic protection of technological systems and pipelines from the unacceptable increase in pressure of the working environment through its partial relief from the protected system. Most distributed spring check valves, in which the working fluid pressure counteracts the force of compressed spring. Direction of the working environment – under the spool. By way of issue of the working environment safety Valves are classified as: valves open, operating without backpressure and discharging working environment directly into the atmosphere; valves closed, discharging the working environment in line (suction line pumping devices, 'flare' line, etc.). In this case the valve is backpressure. Height lift valve, which determines the capacity of valves, they are divided into: nizkopodemnye (Malopodemnye), whose height is approximately 0.05 valve seat diameter. Such valves are used, usually in systems with a liquid working medium, which does not require more bandwidth, full-lift, y whose height more than 0,25 spool seat diameter.

Such valves are used in systems with gaseous media. Valve opening occurs immediately at full speed spool. Safety valves are available in two versions – with a device for manually opening (manual override) or without such a device. Advantages of spring safety valve: the relatively small size with large flow areas; the ability to install both the vertical and horizontal positions, the ability to obtain high throughput.