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Shot peening

Technical article: extending the fatigue life of oilfield drilling equipment download

Curtiss-Wright Industrial GroupThu, 27 Nov 2014

According to Curtis Wright, controlled shot peening is a very economical and well proven method of extending fatigue life in oilfield drilling equipment, welded structures, pumps and valves.

Alarm annunciators

White paper: Omniflex discusses the role of alarm annunciators in managing plant safety download

OmniflexWed, 26 Nov 2014

Alarm annunciators are a vital tool in plant safety management. This white paper from Omniflex explores the realistic boundaries of the performance of alarm annunciators and operators in safety critical applications.

Planview

White paper: advantages of panoramic view of pipeline demand and resource capacity download

PlanviewFri, 28 Nov 2014

This white paper, commissioned by Planview, is based on the 2014 Resource Management and Capacity Planning Benchmark Study. Topics discussed are: ‘A panoramic view of demand and capacity gives top performers an advantage’, ‘Four unique practices of product development top performers’ and ‘Will solving the resource capacity problem be the next competitive differentiator?’

Tech byte

Technical note: tech byte — maintaining equipment download

IRISSThu, 27 Nov 2014

Where do we get the guidelines to ensure the maintenance programmes we design are effective? This ‘tech byte’ from IRISS provides further details.

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Technical article: selecting a brushed or brushless DC motor — decisions, decisions downloadweblink

maxon motorWed, 26 Nov 2014

Are brushless motors just a technology fad or can they be of real benefit to design engineers? Brushless DC motors are more popular than brushed motors at the moment but, according to this article from maxon motor, the fundamental question when choosing a motor is: ‘What does it need to do?’

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Technical article: Mike Might Know — making sense of load cell sense connections download

Sherborne SensorsWed, 26 Nov 2014

In some applications, the distance between a load cell or force transducer and the measuring instrument may be considerable, possibly hundreds of metres. The voltage drop along the connecting cable of a four-wire connection system and its associated temperature coefficient of resistance may contribute significantly to the overall system error. This additional error can be eliminated by the use of the six-wire connection technique where the voltage is sensed locally to the load cell ...

White paper: AC magnetic field detection system applied to motion tracking download

Cedrat Technologies S.ATue, 25 Nov 2014

In the context of motion tracking and virtual reality, there is a strong need for sensors to monitor the motion of a moving object. A six-DoF (degrees of freedom) AC magnetic field detection system is presented in this paper. 

Motion-centric machine design

White paper: tailored automation solutions for performance-driven machinery download

AerotechFri, 21 Nov 2014

Today’s machine builders confront a new era of risks, as globalisation increases competition and the internet rapidly disseminates information about products and markets. The highest priority for designers of performance-driven machinery is to reduce the various risks confronted across the machine design, development and maintenance lifecycle.

Anti-slip tapes

Technical article: slip prevention in wet areas download

HeskinsFri, 21 Nov 2014

In areas where removing water is not an option, slip hazards increase tenfold, and to prevent injuries serious considerations have to be made to stop visitors, employees or even you falling foul of potential slips and falls. Anti-slip tape — such as that available from Heskins — is a suitable back-up to your slip prevention methods, with the ability to apply it on any surface that may require some reinforcement.

Schematic of the finite element analysis (FEA) for a PMSM.

White paper: simulation and fault detection in PMSM under dynamic conditions download

CedratThu, 20 Nov 2014

As Cedrat explains in this paper, the permanent magnet synchronous motor (PMSM) is becoming popular in high-performance applications as compared with other types of AC motors. A short circuit between turns is the most critical fault in a machine; it is quite difficult to detect and almost impossible to remove. There are a number of techniques used to detect turn-to-turn faults.

View of the shock absorber including the piezoelectric valve

White paper: advanced landing gears for improved impact absorption download

Cedrat Technologies S.AThu, 20 Nov 2014

This paper from Cedrat Technologies is devoted to the presentation of adaptive impact absorbers applied as aircraft landing gears. The presented work discusses a possibility of utilisation of active dampers based on piezo-actuators and magnetorheological fluids (MRF) as the actuator for the proposed system. Control issues of an impact absorption system are widely presented. 

Natural gas compressor dehydration station

White paper: moisture measurement technologies for natural gas download

GE Measurement & ControlThu, 20 Nov 2014

The measurement of moisture in natural gas is an important parameter for the processing, storage and transportation of natural gas globally. Natural gas is dehydrated prior to introduction into the pipeline and distribution network. However, attempts to reduce dehydration result in a reduction in ‘gas quality’. Consequently, to strike the right balance, it is important that the water component of natural gas is measured precisely and reliably.

Designing-in light curing adhesives

White paper: Intertronics discusses designing-in light-curing adhesives download

IntertronicsThu, 20 Nov 2014

The advantages of using adhesives over mechanical fasteners have been well documented. They include distribution of load and stress over wider surface areas, elimination of joint fatigue, improved impact resistance, reduction in finishing, and aesthetic enhancement. According to this white paper from Intertronics, design engineers will earn the gratitude of their production engineering colleagues if they can specify or allow for a light-curing adhesive.

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White paper: what you should know about filling two-component cartridges download

EFD InternationalWed, 19 Nov 2014

There are many advantages to packaging two-component adhesives in convenient cartridges for use with static mixers. Two-component adhesive end users want their cartridges to be clean and free of leaks with the capability to dispense the adhesive to fit the intended application. This paper concentrates on the ways filling a cartridge can affect dispensing performance.

Sherborne

Technical article: Mike Might Know — sensor cables download

Sherborne SensorsTue, 18 Nov 2014

In order to maximise the performance of sensors, attention should be paid to the selection of the humble cable that connects the sensor with its instrumentation. As this article in the ‘Mike Might Know’ series from Sherborne Sensors explains, sensors — particularly those based upon strain gauges — have very low levels of output often in the micro-volt region. Noise pick-up must be minimised to ensure accurate results.

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