How to specify gas struts accurately | Engineer Live
2019年3月28日 · 2.04 Opening Force Calculation. The force required to hold the lid open (F1) can be calculated using the formula: Gas Spring Force (F1) = Mass of lid x Centre of Gravity / Radius of Force x Number of Springs. Closing Force Calculation. Similarly, the force required to close the lid (F2) can be calculated using the formula: Closing Force F2 ...
An Expert Guide To Sonic Drilling - Engineer Live
2020年5月1日 · Sonic drilling is a more efficient method of drilling by using high-frequency resonance to create a smoother path of travel for the drill by reducing or even eliminating any frictional resistance from subsurface materials being encountered. The high frequency resonance results in a vibrating head that is being both pushed up and down by the ...
What is a smart material? - Engineer Live
2020年3月9日 · A smart material is an object that holds a property that is susceptible to change with the introduction of an external stimulus. This change must be either tangible or visible for the material to qualify for ‘smart’ status. These changes can …
Front-end engineering and design: your best estimate
2016年4月5日 · Front-end engineering and design (FEED) is the phase of a project during which a percentage of the overall engineering required for a project is completed, with the purpose of developing a sanction estimate. Capital cost has a major bearing on return on investment, so the sanction estimate is an important part of the investment decision.
A specifier’s guide to choosing the right filled PTFE material
2016年9月13日 · A specifier’s guide to choosing the right filled PTFE material. Phillip Charlton explores the main types of filled PTFE compounds, detailing the enhanced properties delivered by some key material combinations. The seldom rivalled hydrophobic, low-friction and corrosion-resistant properties of Polytetrafluoroethylene (PTFE) make it a highly ...
Peat as an energy source - Engineer Live
2020年4月2日 · Peat is an excellent way to contribute to the diversified and decentralised energy system. However, burning peat for electrical purposes releases more carbon dioxide than natural gas and coal. While coal and gas oil release 0.896kh/kWhe and 0.8 CO2 emissions respectively, peat releases 1.105kh/kWhe. While peat may not be utilised as much as it ...
What challenges are ahead for electrical engineering?
2019年10月7日 · Here, Steve Hughes, managing director of power quality specialist Reo UK, outlines some of the biggest challenges electrical engineers will face in the coming years. In 2018, we saw global EV sales surpass two million units for the first time; twice the amount sold in 2017. With the possible threats of catastrophic climate change and resource ...
Insulation displacement connectors - Engineer Live
2016年3月31日 · Insulation Displacement Connectors (IDCs) have become popular as they are highly economical and a cost effective method for performing wire terminations. No wire or cable preparation required. The design of early or first generation IDCs only allowed for peak application performance over an application range on one or possibly two wire gauges.
Top 10 tips for industrial gearbox inspection and maintenance
2015年8月18日 · This could result in an increased operating temperature or even possible contamination of the gearbox. Therefore industrial gearboxes should be regularly dusted and brushed clean. 3. Shaft seals. Check for oil leaks at the input and output shaft of your gearbox. Leaks indicate that seals have failed, thus allowing dust, debris and water ingress ...
Dc motors deliver higher performance and efficiency
Peak efficiency is 87 per cent. For more demanding applications, the LEM 200 model D135 has a rated power of 14.39kW, rated torque of 36.4Nm and rated speed of 3780rpm. Peak efficiency for this model is 90 per cent. Motorcycle applications. Cedric Lynch, inventor of the Lynch motor, now works with Agni Motors in India.