Fund Management, Business and Marketing Resources at Pubdef Weekly

A View On High Voltage Transformers

Today voltage transformers are widely available in market with varying requirements and necessities. At this present age transformers are considered to be as a most important device in our daily life.

As we are using more number of electrical items in our day to day life we are becoming more and more dependent on such transformers. They are designed in such a way so as to transform us a regular and unremitting power to all of our electrical equipments. Over here we have two classification based on transform one being high voltage and the other one is low voltage.

As the term implies high voltage transformer are usually designed to work with higher voltages. In general they are used for transmitting power where the voltage is very high and it is adequate to offer safety hazards. Microwave oven is a perfect example for this kind of voltage electricity.

Around 120 VAC is imposed on primary windings, where elevated voltage would step up the primary voltage to an exceptionally elevated voltage. It is true that we may not come across to the universally accepted definition for a higher voltage transformer, but still some industries have proposed different definition for minimum and maximum voltage. Such kind of definition is mostly based on safety concern or on voltage where the arcing will be appearing.

Magnetic low voltage transformer is another name for low voltage transformer. It is designed to supply electrical power in a low form. It is very well organized and it offers an optimum security to the user. The main job of this electrical energy is to lower down the risk of an electrical shock. Such electricity is useful for every household appliance where it is safeguards the user from short circuits. This type of electricity shifts electrical energy from one circuit to another, with the help of magnetic coupling.

High voltage transformer is designed to knob electrical energy which can range from 600 to 5,000 volts. The power is mostly used for metering, providing protection to circuits which are of higher voltage, electrostatic industrial appliances and in scientific applications. Since it has the ability to set up primary voltage into a higher voltage it is also referred to be as a power transformer.

In general such higher transformers are mostly made to transform power from a higher level to a lower level. Some of its applications are used in electrical isolation, instrumentation and in distribution of power and the control of the same. Due to the high voltage capacity that it handles, it has a different winding technology and insulation method for the regular current transformers.

High voltage transformers are helpful to us in many ways. The power is used in CRT displays, medical utensils and in amplifiers too. Laminated transformers are widely used for lighting, power-driven gates, control of alarms, air conditioning and vending mechanisms. It is also useful in transformers like isolation, step up and step down, network of telephone, medical application, in measurement tools, industrial controls, audio systems, music reproduction system, etc.

Label Dispenser Machine – A Must in Any Manufacturing Unit

Have you ever come across a product without any label or a tag? In today’s world everything comes fully processed and user friendly. They have made everything very convenient and easy. Earlier people were not that keen on noticing what they were buying, how much does it weigh, who manufactures it, and so on. But these days people have become very conscious, they check all the details of a product before buying it, and it is something which is really good for both the consumer or customer and the manufacturer.

Earlier, these labels are affixed onto the bottle manually but with the advancement in technology everything is made automatic. Almost all the industries use labels, be it, pharmaceutical industry, food industry, cosmetic industry or any other industry. The machine which affixes labels to the container or the bottle automatically is known as the label dispenser. Labels have become inevitable these days; a product is not complete without a label. A label includes the following details, which makes them really important, to an extent, where the product can’t be sold without one,

1. Product name
2. Brand name
3. Net weight
4. Company’s logo
5. Products certification. Eg ISO,ISI.HACCP etc
6. Manufacturing date
7. Best before date
8. Manufacturer and his address

These are some of the information which you will be able to find in any product’s label. Whereas if it is a food product, there will be lot more additions to it, like the food’s nutrient information, its usage and so on. In medicines, the dosage of medicine, its composition, that is the composition of the contents. So a label is one, which is very vital for a product.

Label dispensers play a very important part in almost all the manufacturing industries. These machines are fully automated where the labels are stuck automatically by the machines. The whole process of sticking labels onto the container is made easy and quick. Label dispensers are manufactured in three different types; they are manual, semi automatic and fully automatic. Manual and semi automatic is user friendly that is, it is easy to use, whereas you need a lot of expertise to operate the fully automatic label dispenser.

Advantages of using label dispensers

1. It reduces labor cost
2. It reduces wastage of labels
3. Perfection in labeling
4. Quick processing
5. User friendly machine

As said earlier label dispensers helps you to save a lot of time, and also helps to give increased production rate. This machine needs no high maintenance as such; it can be serviced as and when required. So opting for a bottle labeling machine for any manufacturing industry is a good option in order to increase their productivity.

The Overview of Long Pipeline Ball Valve

With the development of society, pipe transportation has been the main ways for the material transportation in the world, especially for the long transportation for gas and oil. It is reported that a great number of petroleum production countries or consumption countries make great use of long pipeline to solve the transportation of different resource such as oil or gas. 95% gas transportation adopts the pipeline way. According to statistics, at present, the total length for the pipeline used for transporting oil and gas has been over 2.6 millions kilometers. Because the pipeline used for long transportation is very long and also will pass through a lot of harsh places such as desert, forest, river, mountain, marsh and so on, the requirement for long pipeline ball valve is high than the common one in order to ensure the safety, sealability and strength.

In the long pipeline system, the required pipeline ball valve must have the following functions such as controlling the medium, changing the direction of the medium flow, preventing reflux, cutting off the medium, blocking the pipe and so on.

In order to realize the above-mentioned functions, the long pipeline ball valve must be provided with the following features. Firstly, reliable sealability. The long-distance pipeline can only be checked at the regular time and sometimes it has to pass through high mountain, desert, grassland, earthquake region and other places. If the sealability is not good, it maybe will result in leakage or even the serious accident. Therefore, for preventing these things, this kind of valve must have the good sealability, especially for the sealiability of urgent grease injection. Secondly, the operation time should be long. Once the long pipeline ball valve is used, it can not stop working in several years or even in more than ten years. The longer it operates, the better it is. For prolong the service time, the valve seat is of great importance. Because to some degree it depends on the using time of the valve. Thirdly, the valve must have the high strength and resistance force. In the transportation process, the pressure of this valve may reach at 10.0MPa and the length may be very long. Therefore, it is easy to suffer the extending, curving or squeezing by the external forces such as earthquake, temperature or equipment vibration. In order to ensure the normal operation of the valve, enough strength is essential. Fourthly, the long pipeline ball valve should be resistant to corrosion. Because the natural gas contains the Hydrogen sulfide, which can erode the valve and eat the mechanical device, it is of great importance to select resistance-proof material. Fifthly, it has the automatic function. As we know, the long pipeline ball valve is controlled by the central control room. So in order to control the valve at the long distance immediately, the valve should be controlled automatically. Last but not least, the valve must be light in weight and tight in structure. With this feature, it is convenient to install and repair the valve.

Jute Products Manufacturers Unflappable Amidst Crisis

The Jute industry in India is going through turbulent times and is looking for long term solutions from the industry leaders.The jute sector in India occupies an important place in our economy as it provides direct employment to about lakhs of workers and supports the livelihood of around 4 million families.

As per the last statistics available, jute exports are to the tune of nearly 1000 crore INR. So far, the government support has remained perennial, as the Jute Sector has usually been included for special attention in its policy framework.

The jute industry has usually been on a roller-coaster ride and its growth seems uncontrolled and unregulated which often reverses the good steps taken. To shed some light on the woes of the jute manufacturers, lets begin with Bengal where in the jute mills are losing Rs 900-1000 per tonne on jute bags owing to a faulty calculation made by the Jute Commissioner’s office. The mill owners have claimed that between July 2009 and August 2010, the industry has lost around Rs 42 crore.

As per the news report, the mill owners are being forced to buy low grade jute at high price and sell the manufactured jute bags to the government at low prices.

It is worth noting that 35-40 per cent of the total jute bags produced in the country is purchased by the government through different procurement agencies.The Food Ministry has so far refrained from taking any decisive stand saying that that the issue is solely under the domain of the Jute Commissioner (JC), considered to be the custodian of jute industry.

In another setback to the jute industry, the Central Board of Excise and Customs (CBEC) has turned down a proposal made by the Union Ministry of Textiles (MOT) to restrict about 450 odd sugar mills across the country from packing sugar in plastic bags replacing jute bags.

This is despite the recent decision of the Cabinet Committee on Economic Affairs (CCEA) which had ruled out any dilution in the Jute Packaging Materials Act (JPMA) of 1987 that makes it mandatory for packaging of 100 per cent of food grains and sugar produced in India in jute bags.

Understandably, the jute manufactures are in deep anguish and intend to take the legal course as their sources of demand are diminishing with each passing day.

However, all is not lost for the jute exporters and suppliers as the centre is expected to finalise the much awaited ‘National Fibre Policy’ by the end of this year. That will remove the disparity in taxation and pricing of various fibres in the country.

Industry insiders say that, the proposed policy is expected to iron out the disparities in taxation structure and pricing with a comprehensive policy on exports and will help the Indian textile industry (including the jute industry) to recover its share in the global arena.

As one of the jute bags exporter sums up the whole scenario by saying that – “a lot has been said and a lot of assurances have been given, now its the time to see what exactly are they able to deliver and how soon…”

It certainly seems like a testing time, not just for the jute manufactures but also for our policy makers.

The Problems of Vibration and Noise With The Ball Bearing

The vibration of the ball bearing is caused by the connection and thus it has a great influence on the factors of the connection, such as load, speed and lubrication.

The noise of the ball bearing is the result of the spread of the bearing vibration through the air felt by the hearing system of human beings. The vibration and noise of many low-noise deep groove ball bearing in China has the same level with that of foreign one, but the foreign bearing sample has the uniform sound pressure and the Chinese sample has the big difference.

As for the abnormal sound of the ball bearing, it is a new problem but also is an old one. why is it a new problem? Because the problem is caused during the recent development of ball bearing from low vibration to the mute and the improvement of the quality of the bearing. As for the reason for the explanation of an old problem, it is because at the initial period of pursuit of low vibration there is no higher requirement for the sound quality of the bearing. However, the abnormal sound exits objectively. Once the vibration of the bearing reduces to a certain lever at a stable speed, the abnormal sound will appear with a sudden.

In the ancient time, the measuring apparatus for bearing vibration can only measure one effective parameter namely vibration. Even for the qualified product, the users still think some bearings have the abnormal sound. This is because the effect valve of the vibration measured has no close relationship with the abnormal sound. The effective valve of the bearing vibration does not response sensitively to the pulse valve of the vibration. It just shows the avenge level of the bearing vibration and is unable to judge whether the bearing has the abnormal sound. According to the above content, the ancient measuring apparatus is not applicable. In order to effectively test the abnormal sound of the bearing, at present a new technology is invited, which is quite suitable and practical. It is a technology for the peak valve of the vibration, which is good at evaluating the vibration level.

For most ball bearing s in different classes, from low to high order their vibration peak value is low-noise bearing, bearing with abnormal sound and bearing with big vibration valve. This can well explain that the peak value of vibration speed lies between low-noise one and big-vibration value. Therefore, the false possibility for judging the abnormal sound through the virtual valve of vibration is quite high.

Click and Know About Welding

Welding is concerned all with joining and melting and by using this welding process, you can do both welding and cutting in accurate way and can easily join one metal with other metal. Heat and pressure are the main components that the welding require and the different parts are joined by using filler rods and the most earliest process of welding that was used was forge welding and in this method the materials are hammered and heated, but now this process is not widely used and it practiced only by blacksmiths. After this method, various process were introduced and different sources of energies were used to weld and the process that are used widely nowadays are mig welding, arc welding, tig welding and stick welding. Each welding is used for different meats, but the role is nothing other than welding.

Industries get struck up if there is no proper welding process and for all these welding process to get done, the proper welding machines are required and each and every type of welding process have their own welders that are significantly useful in many ways. The major difference between these welding processes is their energy and method used. As said above, each and every welding process has welders that suit appropriate welding and of the different types, the tig welder and plasma cutter are the most efficient welding machines that most of the users prefer for welding process. Plasma cutting machine is modern welding machine and use plasma gas for welding so that you do not need to run for any fuels.

The next one after welders is welding accessories and without proper accessories the welding machines fail to meet the requirements and they are the backbone to those machines. Helmets, guns and torches, spool guns and consumables such as tig consumables, mig consumables, tungsten and plasma cutter consumables are the different welding accessories that are available. Apart from these accessories, welding carts and parts are also the other accessories and one should not be so careful when buying these accessories. The machines that are existing in the market comes along with wire feeders so that the user doesn’t need to run for any wires and you can take this machine wherever you go because it comes in light weight and it is a portable one.

We cannot always depend upon the current so it is advisable to buy diesel generators for continuity of current and can be used as a backup power in your industries and offices. These generators are easy to run and it is a noise free machine and save fuels. It has remote control, full power panel, pre heater and dc battery recharging cables. It can run non-stop for eight hours and it is of sound proof type with environmentally friendly. So select your welding products in a careful way by analyzing the features of the products so that you can buy the best ones and also the guaranteed ones.

The Features of Angular Contact Ball Bearing

The angular contact ball bearing is known as radial thrust ball bearing. Because it can load many steel balls, the load capacity of its diameter is greater than that of the common bearing. At the same time it can support a very great axial load or pure axial load. To some degree, its working rotate speed is similar to that of deep groove ball bearing but its strength is more intensive than the deep groove one. When people install the angular contact ball bearing, it must be set up accurately because this bearing is very sensitive to the error of the axial line. In the common situation, this bearing is not used to alone support the radial load. If it is used to bear the radial load, it must increase the axial load.

There are a lot of types for the angular contact ball bearing and they are widely used in many different places. In order to meet the industrial need, the angle of contact for this ball bearing is often produced into three series namely 15°, 25° and 40°. The bigger the angle of contact is, the higher the axial load is. But in the condition with a high speed it is better to adopt the small angle. Besides, this kind of the bearings also can be classified into separated-type and inseparable type. Because the condition for installation is limited, it is required to remove the outside ring or inside ring from the whole set bearing.

Generally speaking, the angular contact ball bearing is often applied into the two rigid supporting axles or precision principle axis in pair. Before using the bearing, people should carefully adjust the windage and change the axial distance of the internal and external rings. Then the internal windage of the bearing can be regulated and thus the rigidity of the bearing system can be improved. One Angular contact ball bearing can only bear one directional axial load. So it is of great necessity to install other bearings in order to offset the additional axial force. When one pair of the bearings is set up, the additional axial force can be mutually balanced and they can bear the axial loads of two forces. The installation in pairs usually adopts two ways, namely back-to-back and face to face. The back-to-back installation has the best rigidity. In order to facilitate to install in pair or in group, some manufactures offer different combinations, such as a group with three bearings or a group with four bearings. Such combination is helpful to balance the load.

An Excellent Device – Steam Trap

With the gradual decrease of the coal, petrol, natural gas and other primary energy source, all the governments in the world regard energy-saving and new energy-developing as the important national policy. According to the related research, steam trap plays a significant role in the energy-saving in the stream system and its important position in the development of national economy can not be treated lightly.

What is steam trap? The so-called steam trap is an automatic valve that can remove the condensed water, air and other incoagulable gas in the steam heating appliance and steam pipeline and prevent the steam leakage. The steam is widely used in the industries and domestic installation. In the steam transportation pipeline system or in the process where the steam is used for heating, drying, sterilization, stewing, consolidation and so on, the condensed water should be removed through the stream trap and the steam can not be leaked. The quality of a steam trap is quite of great importance for the normal operation of the steam system, the improvement of heating efficiency of the equipment and the rational use of the energy.

There are different drainage ways for the steam traps. Some are operated by the changes of induction density. Some are operated by the changes of the temperature. And some are operated by the changes between the static press and dynamic press of the hot condensed water.

Although at present there are various model numbers of steam traps, their working principle is similar and all of them make use of the difference for the height, temperature and flow rate of the steam and the condensed water to realize the opening and closing and prevent the air or vent water. The steam trap has three functions for energy-saving. Firstly, it can rapidly give off the condensed water in the steam appliance equipment and thus keeps the heating efficiency at the best state. Then the condensed water will not be remained in the equipment and to maximum degree the valve ensures the steam space. Once the steam trap can not be used well, the equipment will be greatly effected and even completely be at a standstill because of the detention of the condensed water. Secondly, it can fast gives off the air and low-temperature condensed water when being opened and thus it will shorten the operation time for warm-up. When the steam begins to pass, the steam transportation and steam equipment will be full of air. If they do not be removed, the steam can not enter. What’s more, when the temperature in the steam equipment reaches the steam temperature, the initial low-temperature condensed water should be rapid given off and thus the equipment can work normally in the short time. This is the important condition for raising the production efficiency. Thirdly, it can reduce its own steam consumption. The so-called steam consumption of the steam trap generally refers to steam leakage. It means the sum of steam amount required by the movement of the steam trap and loss amount caused by heat dissipation.

Some Ways to Prolong the Working Life of the Industrial Bearing

In order to prolong the operation life of the bearing, people should pay attention to the maintenance and repair. Thus people can avoid the accident and ensure the reliability of the operation. How do people maintain the industrial bearing well? As for the question, it is not simple and it contains a lot of knowledge. At present the article will tell you the secrets about the work.

What comes first is about the cleaning of the industrial bearing. When people remove the bearing and inspect it, what people should do first is to record the appearance of the industrial bearing and ensure the resting quantity of the lube. After people check the sample of the lube, they begin to wash the bearing. The common gas oil or coal oil can be used as the washing agent. The cleaning includes rude cleaning and careful cleaning. During rude cleaning, people should ensure there is no dunghill, or else when it rotates, the bearing will be harmed. Besides, the brush can be used to remove the grease lubricant and adhesion. When the rude cleaning is finished, it is turn for careful cleaning. The so-called careful cleaning is to rotate the industrial bearing and clean it carefully at the same time. In the cleaning process the cleaning oil should be kept clean.

Next, it is about the repair and judgment of the industrial bearing. In order to judge whether the removed bearing is applicable, people should check it after cleaning. People can inspect the following places such as raceway face, rolling face, retainer, and the degree of abrasion and so on. For the specific Industrial Bearing, to check these places is not enough. People should judge all horses as individuals. For example, people can rotate the outer-circle to ensure whether the inseparable ball bearing is normal.

Thirdly, the purpose of the lubrication for this bearing. There are at least three purposes. One is to reduce the friction and abrasion. One is to prolong the operation life. The other is to give off the heating caused by the friction.

Fourthly, the installation of the bearing also has a great influence for the precision, working life and property. Therefore, the design department or the assembling department should make a full research for the installation.

Fifthly, it is not suggested to open the package for the bearing before installation. Once the antirust on the surface of the bearing is removed, it is very easy to rust.

As for the above-mentioned suggestions, they are not absolute. The purpose why the author discusses them here is to provide some references for the user or to expand the knowledge of people.

Growing Significance of Architectural Drafting and Its Services

The significance of computer-aided designs is rapidly growing in various businesses. People have started implementing this technique for the designing of every small or big product. This is the reason that the demand for professional and expert drafting services is also rapidly growing nowadays. Drafting design is a replica of imagined or desired design of the product on the computer software to facilitate its dimensional study. Drafting on computer software helps in obtaining two or three-dimensional picture of a design which can be easily rotated and examined from every angle. This detailed examination includes the study of scales, measurement, geographical directions and others alike that allow the architect to be sure of his/her designs.

Before the introduction of CAD, architects had to struggle and work extra to bring down their designs to perfection. Designing on papers does not help in examining the design in a virtual view and leads to wastage of valuable resources as well as time and energy of architects. However, with the implementation of CAD, the process of designing has attained effectiveness and efficiency. Architectural drafting not only provide a dimensional view to designs but also let the architects estimate other related information like cost, time, and labor. When a design is prepared on computer software, it allows the communication as well as exchange of information between architects and engineers in a simpler and speedy way. It eliminates the need of any intermediaries for the purpose and facilitates immediate feedbacks of engineers that help the architects to make required modifications in the designs without any delays.

Drafting services are not only restricted to building designs but can also be used for preparing digital designs of products and equipments related to different fields with the help qualified and professional drafters. Preparing the designs of products on computer software helps in ensuring the functionality of every fine part of the equipment. For instance, in the field of electrical engineering, when the products are drafted on computer it lets the drafters to ensure even the minor wiring work of that product which ultimately provides a quality output. It has come out as a solution for the manufacturers who wish to offer high-class products to their customers. Drafting services allow the producers to ensure excellent functionality and quality of their products as customers of present times carry a strong observation power and do not make any compromise on the quality of products.