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Monday, November 22, 2010
Gunkul Engineering IPO a Success in Thailand
Gunkul, a supplier of electrical and green energy equipment, has set its initial public offering price at 5.40 baht a share and is scheduled to start trading on the Stock Exchange of Thailand on Oct 19.
The shares were trading at 9.00 Baht at 2.41pm local time.
The funds raised from the IPO will be used to invest in a solar power project that will generate 30.9 megawatts of electricity in its first phase. The second phase, which will produce an additional 4 MW, will start construction soon and is expected to be completed in the next six months.
The entire solar power project, due to be completed by 2012, will generate at least 80 million baht in revenue starting from next year, said the company’s executive chairman, Gunkul Dhumrongpiyawat.
With dedication and a remarkable a breadth of vision of Mr. Gunkul Dhumrongpiyawut, a highly experienced founder and executive, the Company has continued to expand at an exceptional rate along with the formation of strong subsidiary companies to facilitate the expansion of the business.
G.K. Assembly Co., Ltd. was found in 1992 to produce and assemble protective equipment used in the electrical power transmission system. Concurrently, the Company also created G.K. Power Products Co., Ltd, one of the subsidiaries, to produce low- and high-voltage electrical equipment. The years passed and all subsidiaries grew even larger, which supported the business operations of GK Group as a whole to expand at a phenomenal rate.
In 2009, Gunkul Powergen (GPG) was found in order to do business as an electrical power producer, which mainly generates electricity from renewable energy resources. As producing electricity from clean resources, it contributes to reduce CO2 emission, which is a major cause of global warming issue.
Today, Gunkul Engineering Public Company Limited stands tall as a leading supplier of quality electrical equipment not only domestically but also internationally to Myanmar, Singapore, Laos, Vietnam, and Malaysia.
The Company has registered in the stock exchange of Thailand since August 10th 2009 with an ambition to raise fund to fuel future growth and achieve the leadership position as Thailand’s number one leader in producing electricity from renewable energy resources and providing the electrical equipments. The company has continually increased its registered capital, which is currently raised to Bt400 million.
The shares were trading at 9.00 Baht at 2.41pm local time.
The funds raised from the IPO will be used to invest in a solar power project that will generate 30.9 megawatts of electricity in its first phase. The second phase, which will produce an additional 4 MW, will start construction soon and is expected to be completed in the next six months.
The entire solar power project, due to be completed by 2012, will generate at least 80 million baht in revenue starting from next year, said the company’s executive chairman, Gunkul Dhumrongpiyawat.
With dedication and a remarkable a breadth of vision of Mr. Gunkul Dhumrongpiyawut, a highly experienced founder and executive, the Company has continued to expand at an exceptional rate along with the formation of strong subsidiary companies to facilitate the expansion of the business.
G.K. Assembly Co., Ltd. was found in 1992 to produce and assemble protective equipment used in the electrical power transmission system. Concurrently, the Company also created G.K. Power Products Co., Ltd, one of the subsidiaries, to produce low- and high-voltage electrical equipment. The years passed and all subsidiaries grew even larger, which supported the business operations of GK Group as a whole to expand at a phenomenal rate.
In 2009, Gunkul Powergen (GPG) was found in order to do business as an electrical power producer, which mainly generates electricity from renewable energy resources. As producing electricity from clean resources, it contributes to reduce CO2 emission, which is a major cause of global warming issue.
Today, Gunkul Engineering Public Company Limited stands tall as a leading supplier of quality electrical equipment not only domestically but also internationally to Myanmar, Singapore, Laos, Vietnam, and Malaysia.
The Company has registered in the stock exchange of Thailand since August 10th 2009 with an ambition to raise fund to fuel future growth and achieve the leadership position as Thailand’s number one leader in producing electricity from renewable energy resources and providing the electrical equipments. The company has continually increased its registered capital, which is currently raised to Bt400 million.
Sunday, November 21, 2010
40A, three-phase power supply is 'smallest on the market'
Puls UK is launching its latest Q-series unit, the super-compact QT 40, which measures only 110 x 124 x 127mm and weighs just 1.5kg. According to Puls, this makes it the smallest 40A, three-phase power supply on the market. First shipments are expected early in 2010.
Two versions of the new QT 40 are available, namely 24V 40A and 48V 20A, both delivering 960W with an efficiency of 95.3 per cent.
The QT 40's high performance has been achieved by the use of three microcontrollers to maintain optimum efficiency at all levels of load. The high efficiency also makes power sharing easy by allowing multiple units to be mounted side-by-side on the DIN rail without the need for a fan cooling.
Other features include near-zero inrush at switch-on, shut-down input with high mean time between failure (MTBF) values and, despite its diminutive size, built-in mains fuses. Puls UK's Bonus Power overload design provides 150 per cent current reserves for up to four seconds to help start demanding loads.
The QT 40 is suitable for industrial bulk power applications such as control systems for large electric motors powering production equipment, conveyors and machine tools. It is also useful for outdoor applications where the ability to operate at low temperatures is important; ambient temperatures as low as -25 degrees C can be tolerated without difficulty.
Harry Moore, Puls UK's managing director, says: "Because the new QT 40 is so compact and has such a high specification it is going to make a big difference to the way engineers design equipment in the future. As they say, the best things come in small packages."
Two versions of the new QT 40 are available, namely 24V 40A and 48V 20A, both delivering 960W with an efficiency of 95.3 per cent.
The QT 40's high performance has been achieved by the use of three microcontrollers to maintain optimum efficiency at all levels of load. The high efficiency also makes power sharing easy by allowing multiple units to be mounted side-by-side on the DIN rail without the need for a fan cooling.
Other features include near-zero inrush at switch-on, shut-down input with high mean time between failure (MTBF) values and, despite its diminutive size, built-in mains fuses. Puls UK's Bonus Power overload design provides 150 per cent current reserves for up to four seconds to help start demanding loads.
The QT 40 is suitable for industrial bulk power applications such as control systems for large electric motors powering production equipment, conveyors and machine tools. It is also useful for outdoor applications where the ability to operate at low temperatures is important; ambient temperatures as low as -25 degrees C can be tolerated without difficulty.
Harry Moore, Puls UK's managing director, says: "Because the new QT 40 is so compact and has such a high specification it is going to make a big difference to the way engineers design equipment in the future. As they say, the best things come in small packages."
Supercharger system is driven via variable-speed mechanical drive
Rotrak presented a novel supercharger system in a paper at the 15th Supercharging Conference in Dresden on 24 September 2010. The joint venture company combines a Rotrex supercharger with a Torotrak full-toroidal traction drive in a mechanical supercharger system that overcomes the problems inherent in conventional supercharger and turbocharger systems.
With a turbo, the delay in response, called lag, becomes increasingly intrusive as engines get smaller. Superchargers are mechanically geared to enhance performance at either low or high engine speeds. The Rotrak alternative overcomes this constraint by connecting the supercharger to the engine via a compact variable drive, enabling efficient operation across the whole engine speed range.
Torotrak engineering manager David Burtt, co-author of the paper, explains: "The need to reduce CO2 emissions is leading to downsized engines, heavily boosted by turbo- or supercharging. But while these engines easily reach high peak power and torque figures, they struggle to provide the required low-speed response. A fully integrated centrifugal compressor connected to the engine via a variable drive will achieve a unique combination of low- and high-speed performance with a highly cost-effective system."
Gasoline engines are typically much cheaper than diesels for the same application but have higher exhaust temperatures, making advanced turbocharging more difficult.
Burtt states: "Independent analysis has estimated that the world market for pressure-charged gasoline engines will grow from 2.5million today to 12million by 2016. The emergence of a practical and cost-effective way to supercharge small gasoline engines could have significant market impact."
With a turbo, the delay in response, called lag, becomes increasingly intrusive as engines get smaller. Superchargers are mechanically geared to enhance performance at either low or high engine speeds. The Rotrak alternative overcomes this constraint by connecting the supercharger to the engine via a compact variable drive, enabling efficient operation across the whole engine speed range.
Torotrak engineering manager David Burtt, co-author of the paper, explains: "The need to reduce CO2 emissions is leading to downsized engines, heavily boosted by turbo- or supercharging. But while these engines easily reach high peak power and torque figures, they struggle to provide the required low-speed response. A fully integrated centrifugal compressor connected to the engine via a variable drive will achieve a unique combination of low- and high-speed performance with a highly cost-effective system."
Gasoline engines are typically much cheaper than diesels for the same application but have higher exhaust temperatures, making advanced turbocharging more difficult.
Burtt states: "Independent analysis has estimated that the world market for pressure-charged gasoline engines will grow from 2.5million today to 12million by 2016. The emergence of a practical and cost-effective way to supercharge small gasoline engines could have significant market impact."
One-part epoxy preforms solid at room temperature
Multi-Seals Inc is offering an innovative alternative to liquid epoxy for high-volumehigh-quality epoxy sealing applications.
Uni-form epoxy preforms are one-part epoxy resins that are solid at room temperature. When heatedUni-forms melt and cureforming a consistent seal that protects components from dustmoistureoilfluxsolventsconformal coatingsand other contaminants.
Close tolerances on preform configurationsconsistent pre-mixed ratios of resin to catalystand consistent viscosity from beginning to end of batch ensure uniformhigh-quality results.
Preforms can be dispensed as rapidly as 200 to 600 parts per minute with little or no operator trainingand extensive operator experience is not required to produce uniform results. Preforms also eliminate pot-life concerns and costly cleanup procedures.
Multi-Seals’ one-part epoxy resins are solid at room temperature. When heatedthey melt and cureforming a consistent seal that protects components from dustmoistureoilfluxindustrial cleaning solventsconformal coatingsand other contaminants.
Fully cured MSI epoxy will not reflow when exposed to subsequent elevated temperatures.
Uni-forms are available in a wide range of shapessizesand materials to accommodate diverse applications
Uni-form epoxy preforms are one-part epoxy resins that are solid at room temperature. When heatedUni-forms melt and cureforming a consistent seal that protects components from dustmoistureoilfluxsolventsconformal coatingsand other contaminants.
Close tolerances on preform configurationsconsistent pre-mixed ratios of resin to catalystand consistent viscosity from beginning to end of batch ensure uniformhigh-quality results.
Preforms can be dispensed as rapidly as 200 to 600 parts per minute with little or no operator trainingand extensive operator experience is not required to produce uniform results. Preforms also eliminate pot-life concerns and costly cleanup procedures.
Multi-Seals’ one-part epoxy resins are solid at room temperature. When heatedthey melt and cureforming a consistent seal that protects components from dustmoistureoilfluxindustrial cleaning solventsconformal coatingsand other contaminants.
Fully cured MSI epoxy will not reflow when exposed to subsequent elevated temperatures.
Uni-forms are available in a wide range of shapessizesand materials to accommodate diverse applications
Boosting the life of bearings
As end-users of rotating equipment seek to extend the life of these applications, increasing emphasis is being placed on reducing contamination in the bearing environment. Bearing Isolator technology, originally developed by Inpro/Seal in 1977, has been an integral part of increasing the mean time between repair (MTBR) and improving the reliability of a variety of rotating equipment.
The Inpro/Seal Bearing Isolator is a two part dynamic seal consisting of a stator, most commonly press-fitted into the bearing housing, and a rotor attached to the shaft. The rotor and stator join together to form a non-contacting compound labyrinth seal with no wearing parts. It protects in two ways: bearing lubricant is captured in the inner portion of the labyrinth and flows back to the bearing housing; outside contamination attempting to enter the bearing housing is captured in the outer labyrinth paths and expelled through a port in the rotor by centrifugal force and gravity. The Bearing Isolator was invented to replace lip seals as a sealing solution in industrial process equipment, such as pumps, motors, gearboxes, pillow blocks and other types of rotating equipment. Because of their contacting design, friction against the shaft limits the life span of lip seals to approximately 3000 hours. Alternatively, an Inpro/Seal Bearing Isolator lacks any wearing parts thereby sealing the bearing for the life of the equipment. The original Bearing Isolators had been in service for more than 25 years when the pump line on which they were installed was finally taken out of service. Currently there are over 4 million Bearing Isolators installed worldwide.
The Inpro/Seal Bearing Isolator is a two part dynamic seal consisting of a stator, most commonly press-fitted into the bearing housing, and a rotor attached to the shaft. The rotor and stator join together to form a non-contacting compound labyrinth seal with no wearing parts. It protects in two ways: bearing lubricant is captured in the inner portion of the labyrinth and flows back to the bearing housing; outside contamination attempting to enter the bearing housing is captured in the outer labyrinth paths and expelled through a port in the rotor by centrifugal force and gravity. The Bearing Isolator was invented to replace lip seals as a sealing solution in industrial process equipment, such as pumps, motors, gearboxes, pillow blocks and other types of rotating equipment. Because of their contacting design, friction against the shaft limits the life span of lip seals to approximately 3000 hours. Alternatively, an Inpro/Seal Bearing Isolator lacks any wearing parts thereby sealing the bearing for the life of the equipment. The original Bearing Isolators had been in service for more than 25 years when the pump line on which they were installed was finally taken out of service. Currently there are over 4 million Bearing Isolators installed worldwide.
Control of flow properties
The technique of shear testing has been utilised to optimise the flow behaviour of powdered snack flavours. The specification of these powders is extremely challenging, with the finished material 'engineered' from a mix of blended or co-process ingredients to provide not only the desired taste and fragrance, but also acceptable flow propert
If the flavour is too free-flowing it does not adhere well to the snack after blending, leading to excessive wastage and dust generation. Yet if the flavour is too cohesive or 'sticky' it will not flow reliably into the snack blender, giving inconsistent coating.
Traditionally, flow property control has been subjective, adding oil to reduce flow of blends considered to dusty or adding free flow to blends considered to 'sticky'.
The Brookfield Powder Flow Tester (Fig. 1), an automated shear tester has been used to measure the flowability of the snack flavours providing a measurement of the minimum outlet size through which a cohesive or 'sticky' powder will flow reliably under gravity. This measurement has been used to quantify the flowability of new snack flavours and to optimise additive levels on a small scale in the laboratory, prior to committing to batch manufacture
If the flavour is too free-flowing it does not adhere well to the snack after blending, leading to excessive wastage and dust generation. Yet if the flavour is too cohesive or 'sticky' it will not flow reliably into the snack blender, giving inconsistent coating.
Traditionally, flow property control has been subjective, adding oil to reduce flow of blends considered to dusty or adding free flow to blends considered to 'sticky'.
The Brookfield Powder Flow Tester (Fig. 1), an automated shear tester has been used to measure the flowability of the snack flavours providing a measurement of the minimum outlet size through which a cohesive or 'sticky' powder will flow reliably under gravity. This measurement has been used to quantify the flowability of new snack flavours and to optimise additive levels on a small scale in the laboratory, prior to committing to batch manufacture
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