Wednesday, September 12, 2007

Control panels redesigned by pneumatics specialist

Parker Pneumatic control systems are now specified for automatic drum forming and welding machines which enable 210 litre drums to be welded along their length at up to 800 drums per hour

Parker pneumatic control systems are now specified for automatic drum forming and welding machines manufactured by Dudley-based British Federa - a world leader in resistance welding technology, equipment and controls - which enable 210 litre drums to be welded along their length at production rates of up to 800 drums per hour.

This article was originally published on Engineeringtalk on 6 December 2000 at 8.00am (UK)
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British Federal has recently supplied a DW100/6 100 kVA drum forming and welding machine as part of a £300,000 order from the Shanwei Group, a chemical adhesive product manufacturer in Zhuhai, PR China.

The machine is equipped with a swing arm 'touch pad' and MP3HPS-DW welding controls and is able to weld 210 litre drums at up to 720 units per hour.

The length of the drums being made is 914 mm with an inner diameter of 571 mm using 1.0 mm thick material.

The specification of Parker Pneumatic control systems results from the ability of the company's specialist Systems Design Department to completely redesign and reduce the size of the machines' existing control panel - at lower cost and without compromising quality - in order that it could be relocated within the framework of the existing machine.

'The original control panel was fixed to the side of the machine and, although the main body of the machine was relatively narrow, the control panel increased the width considerably - but only in this one area', says Nigel Morris, British Federal's Product Manager for specialised products.
Further reading

Directional control valves suit mobile equipment
The P70 pressure-compensating spool range offers exceptional levels of efficiency and accuracy by minimising pressure drop and heat generation across the valve

Pneumatic products improve vehicle washing
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Hydraulic pump suits mobile applictations
Parker Hannifin's VP1-95 hydraulic pump is suitable for most load sensing valve systems and offers multi-functionality for any hydraulic application where power and precise control are required

'Parker Pneumatic gave us a control panel around 50% smaller than the previous panel - which is now located within the existing framework and reduces the overall size of the machine.' The control panel for the system - measuring 570 mm by 570 mm by 150 mm - consists of a 'U' section fabricated steel plate onto the underside of which all of the Parker Pneumatic control equipment is surface mounted.

The components, piping and fittings are therefore not visible externally.

This pneumatic equipment includes an air preparation set with lock out valve, filter and lubricator; pressure regulators and pressure gauges; 4/3 rotary lever valves; 5/2 ISO2 solenoid spring spool valves; and adjustable pressure switches.

The panel controls a number of the drum forming and welding machine's pneumatic cylinders: the lower weld head cylinder, upper and lower knurl pressure cylinders, and hour glass roll cylinders are controlled by three 4/3 rotary lever valves; and the lower ratchet and upper ratchet cylinders by two 5/2 ISO2 solenoid spring spool valves.

Six pressure regulators are used to reduce the pressure on either the front or rear of the cylinder depending on its application, with the opposing end of the cylinder being supplied by unregulated mains air.

Three pressure switches are used to monitor the air pressure at points on the machine - the mains air inlet, the rear of the lower weld head cylinder, and the rear of the knurl pressure cylinders.

All air connections apart from the mains supply are made in the side wall of the mounting plate

Pneumatic valves developed for more demanding use

Rexroth Mecman has developed a unique series of valves specifically for applications with adverse operating conditions or where air quality cannot be guaranteed

Available in two sizes, the 740/840 valve series has a unique internal design based on well-proven diaphragm poppet valve technology. The valves are also available in a corrosion-proof version. Being insensitive to air pollution, the 740/840 series is suitable for a wide range of applications including food packaging machinery, pharmaceutical production, mobile applications and areas exposed to the elements or high dust levels.

This article was originally published on Engineeringtalk on 8 December 2000 at 8.00am (UK)
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The valves are resistant against chemical contamination and ideal for use in control systems.

The range is also available with CSA, UL and explosion-proof variants.

The 'plug-in' technology of the 740/840 series results in quick and easy 'no-tool' assembly for manifolds.

Valves can also be delivered pre-assembled to further reduce installation time and costs.

The valves have no wearing parts and offer the option of an integral cable channel which means only minimal wiring is required, thereby ensuring faster, easier maintenance.

Further features include a fast response time, integral flow controls and integrated fittings.

Options include a choice of sizes, pressure and electrical versions, increased voltage tolerance and easy Fieldbus connection.

Control valves offer high flow in compact unit

Parker Pneumatic has introduced a new range of high performance directional control valves - the Viking range - designed for hand, foot, pneumatic or electrical operation

Parker Pneumatic has introduced a new range of high performance directional control valves - the Viking range - designed for hand, foot, pneumatic or electrical operation and featuring compact installation dimensions, high flow capacity, short change-over times and low change-over pressure. The new Viking range comprises two models - the P2L-A, G1/8 valve and the P2L-B, G1/4 valve - both available in 5/2 and 5/3 configurations.

This article was originally published on Engineeringtalk on 12 December 2000 at 8.00am (UK)
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Maximum operating pressure is 10 bar.

Major features of the Viking range include compact dimensions, direct body porting and integral mounting holes which, together, provide the flexibility for single or compact block installation.

Viking valves are made entirely of anodised aluminium for good corrosion resistance.

The smooth design, with no dirt-collecting pockets, makes the valve suitable for most environments, including applications with stringent hygiene requirements.

Valves have stainless steel fixing screws for the end covers to withstand aggressive requirements.
Further reading

Directional control valves suit mobile equipment
The P70 pressure-compensating spool range offers exceptional levels of efficiency and accuracy by minimising pressure drop and heat generation across the valve

Pneumatic products improve vehicle washing
Parker pneumatic cylinders in Smith Bros and Webb brush arms reduce bounce as the brushes come into contact with the vehicle and ensure effective cleaning

Hydraulic pump suits mobile applictations
Parker Hannifin's VP1-95 hydraulic pump is suitable for most load sensing valve systems and offers multi-functionality for any hydraulic application where power and precise control are required

Standard and low temperature variants, hand lever with built-in catch for reliable position retention, variants designed for a special NO (normally open) mobile solenoid valve, and several varieties of special NC solenoid valves, make the Viking range an excellent choice in mobile applications.

A number of different solenoid valve variations are available.

Just 15 mm wide and with DIN 4365 form C cable head, these solenoid valves feature small installation dimensions, low energy consumption, high flow capacity and long service life.

They are available with or without manual change over, with long or short arm, spring return or stay-put.

Viking valves comply with the requirements for component reliability in accordance with the EU Machinery Directive standards EN292-2 and N983.

The P2L-A valve has few moving parts and, combined with short slide movement, gives a valve with high reliability and long service life.

It is designed for use with or without supplementary lubrication.

The P2L-B valve features high molecular weight plastics with self-lubricating properties which makes it suitable for use with or without supplementary lubrication.

Air from the pilot valves is exhausted through a silencer located in the end cover to give the lowest possible noise level ã particularly important for industries where low noise levels are required.

With silencers, the Viking valves comply with the EU Machinery Directive, Noise 1.5.8.

Manifold bars with common ducts for ports 1, 3 and 5 are available with space for up to 14 valves.

These facilitate time saving installation and easy servicing from the front.

Pressure bars for common primary air supply are available with space for up to 10 valves.

When pressure bars are used, restrictor-silencers can be installed in the exhaust ports of each valve for individual adjustment of cylinder/air motor speed.

Wednesday, September 5, 2007

Pneumatic market continues to show potential

Sales in the European market for pneumatic equipment continue to show potential for growth, expected to rise from $3.49 billion in 2000 to $4.56 billion in 2006

In the short term, the strength of the European economy is expected to fuel demand. However, according to a new study by Frost and Sullivan, the international marketing consulting company, mounting price pressures and the likely moderation of European economic growth in the medium term mean that suppliers of pneumatic equipment must focus their competitive strategies to maintain margins.

This article was originally published on Engineeringtalk on 18 January 2001 at 8.00am (UK)
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Although price still remains a critical purchase determinant, selecting the right equipment to realise enhanced productivity and efficiency has become the focal point for plastics processors

Advanced technologies aid growth in pump markets
Sluggish growth has characterised the mature European markets for centrifugal and turbine pumps in recent years

Technical innovation and interaction with customers to produce complex pneumatic systems are rising in importance.

At the same time, falling prices are generating a need for volume production in order to gain economies of scale, which is driving consolidation between leading firms.

Frost and Sullivan's study highlights the necessity for suppliers to choose where to position themselves on the price vs quality continuum.

Mik Sabiers, Research Manager at Frost and Sullivan comments: 'The automation of production processes is sustaining strong demand for pneumatic equipment, and as secondary producers automate production, pneumatic systems are increasingly penetrating new application areas.

Equally, users of the large installed base of pneumatic equipment are being encouraged to invest in new products by the constant upgrading of pneumatic technology.' The combination of electronics with pneumatics and the creation of intelligent products, which are both faster and permit precise electronic control, is spurring replacement demand and contributing to the market's appeal to new users.
Further reading

Sustained growth for industrial weighing machinery
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Nevertheless, while it is strong, growth is not outstanding.

The market is sensitive to variations in gross domestic product (GDP) and is being impacted by the ability of new products to last for an increased number of product cycles.

Most importantly, growth has been eroded by falling prices.
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Suppliers to the European market for pneumatic equipment compete in an intensely competitive environment.

Pneumatic equipment is combined for use in pneumatic systems.

Individual product areas are therefore strongly interrelated, and growth across the market tends to be fairly uniform.

The varying intensity of price competition is largely responsible for differing rates of revenue growth in individual product markets.

Growth in this market for valves, accounting for the largest share of sales across all product markets, is expected to be driven by favourable economic conditions, by the continuing popularity of solenoid valves, and by the rising availability and use of intelligent valves.

Meanwhile, similarities can be drawn between the market for filter regulator lubricators (FRLs) and the market for cylinders.

In both product areas, revenue growth is being impacted by falling prices.

While demand for FRLs is being driven by growing demand for pneumatic systems, it is being constrained by price reductions caused by competition and the sale of products in a modular format.

In terms of national markets, Germany remains the largest market, followed by the UK and Italy.

A strong industrial focus including a large materials handling and assembly sector and a large processing sector contributed to Germany's importance.

The revenue significance of both the UK and Italy will experience an upswing and under the influence of stronger economic activity, the significance of France, Iberia and Benelux is expected to increase.

More than 100 competitors are active in the European market for pneumatic equipment.

A substantial number are smaller firms operating in their domestic markets on a regional basis.

An upper tier of the market contains five larger and internationally focused participants: Festo, Bosch-Rexroth, IMI Norgren, SMC and Parker.

Additional firms operate on an inter-European basis, but have yet to attain the market share of those in the first tier.

Competition between firms in all areas of the market is intense.

The standardisation of many products means that price is the principle method of distinguishing between products.

Delivery, the author observies, is also crucial.

As demand for control systems rises, it has the power to alter the competitive landscape.

Competition may become less price focused as customers place greater emphasis on expertise, Frost and Sullivan's study concludes.

Pneumatic market continues to show potential

Sales in the European market for pneumatic equipment continue to show potential for growth, expected to rise from $3.49 billion in 2000 to $4.56 billion in 2006

In the short term, the strength of the European economy is expected to fuel demand. However, according to a new study by Frost and Sullivan, the international marketing consulting company, mounting price pressures and the likely moderation of European economic growth in the medium term mean that suppliers of pneumatic equipment must focus their competitive strategies to maintain margins.

This article was originally published on Engineeringtalk on 18 January 2001 at 8.00am (UK)
Related stories

Report shows new trends in plastics processing
Although price still remains a critical purchase determinant, selecting the right equipment to realise enhanced productivity and efficiency has become the focal point for plastics processors

Advanced technologies aid growth in pump markets
Sluggish growth has characterised the mature European markets for centrifugal and turbine pumps in recent years

Technical innovation and interaction with customers to produce complex pneumatic systems are rising in importance.

At the same time, falling prices are generating a need for volume production in order to gain economies of scale, which is driving consolidation between leading firms.

Frost and Sullivan's study highlights the necessity for suppliers to choose where to position themselves on the price vs quality continuum.

Mik Sabiers, Research Manager at Frost and Sullivan comments: 'The automation of production processes is sustaining strong demand for pneumatic equipment, and as secondary producers automate production, pneumatic systems are increasingly penetrating new application areas.

Equally, users of the large installed base of pneumatic equipment are being encouraged to invest in new products by the constant upgrading of pneumatic technology.' The combination of electronics with pneumatics and the creation of intelligent products, which are both faster and permit precise electronic control, is spurring replacement demand and contributing to the market's appeal to new users.
Further reading

Sustained growth for industrial weighing machinery
A new analysis of the European industrial weighing machinery market highlights untapped end-user sectors and emerging opportunities in Eastern Europe

Study details new petroleum refining technologies
Soaring energy requirements are motivating new investments in refining technologies

Vacon is company of the year
Finnish company Vacon has been named recipient of Frost and Sullivan's 2004 Industry/ICE (Instrumentation and Controls and Engineering) Company of the Year Award

Nevertheless, while it is strong, growth is not outstanding.

The market is sensitive to variations in gross domestic product (GDP) and is being impacted by the ability of new products to last for an increased number of product cycles.

Most importantly, growth has been eroded by falling prices.
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Suppliers to the European market for pneumatic equipment compete in an intensely competitive environment.

Pneumatic equipment is combined for use in pneumatic systems.

Individual product areas are therefore strongly interrelated, and growth across the market tends to be fairly uniform.

The varying intensity of price competition is largely responsible for differing rates of revenue growth in individual product markets.

Growth in this market for valves, accounting for the largest share of sales across all product markets, is expected to be driven by favourable economic conditions, by the continuing popularity of solenoid valves, and by the rising availability and use of intelligent valves.

Meanwhile, similarities can be drawn between the market for filter regulator lubricators (FRLs) and the market for cylinders.

In both product areas, revenue growth is being impacted by falling prices.

While demand for FRLs is being driven by growing demand for pneumatic systems, it is being constrained by price reductions caused by competition and the sale of products in a modular format.

In terms of national markets, Germany remains the largest market, followed by the UK and Italy.

A strong industrial focus including a large materials handling and assembly sector and a large processing sector contributed to Germany's importance.

The revenue significance of both the UK and Italy will experience an upswing and under the influence of stronger economic activity, the significance of France, Iberia and Benelux is expected to increase.

More than 100 competitors are active in the European market for pneumatic equipment.

A substantial number are smaller firms operating in their domestic markets on a regional basis.

An upper tier of the market contains five larger and internationally focused participants: Festo, Bosch-Rexroth, IMI Norgren, SMC and Parker.

Additional firms operate on an inter-European basis, but have yet to attain the market share of those in the first tier.

Competition between firms in all areas of the market is intense.

The standardisation of many products means that price is the principle method of distinguishing between products.

Delivery, the author observies, is also crucial.

As demand for control systems rises, it has the power to alter the competitive landscape.

Competition may become less price focused as customers place greater emphasis on expertise, Frost and Sullivan's study concludes.

Solenoid valves just right for small spaces

Measuring just 10mm wide, the Picosol direct operated miniature solenoid valves are particularly suited to applications where space is at a premium

Standard units are configured in 2/2 and 3/2 formats and can offered as normally closed, normally open and latching versions. Each type can be individually or manifold mounted with port connections of M3 and M5 respectively. For the non-latching valves, power consumption ranges from 0.6 to 1.0 Watt with operating pressures up to 10 bar.

Orifice diameters are offered up to 2mm diameter - delivering an impressive flow factor (Kv 0.25) for their size.

Converting Equipment pneumatics now sole-sourced

Ashe Converting Equipment has recently switched to SMC as a preferred sole-supplier catalogue, with products including SY manifold valves, CG, MYIC, C85 cylinders and FRL and ITV regulator units

The market leader in the design and manufacturing of high-precision, very high-speed industrial slitting and rewinding systems, Ashe Converting Equipment, has found new ways to unravel the complexity of control of its machines, together with SMC Pneumatics. Ashe's systems are bespoke examples of advanced engineering, that are capable of handling a wide range of products, from as light and delicate as six micron metallised polyester to heavyweight label stock.

This article was originally published on Engineeringtalk on 2 February 2001 at 8.00am (UK)
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For instance, a typical application could be the rewinding of one-metre wide printed chocolate bar wrapping, that needs to be slit to the correct size.

Many markets worldwide include the photographic industry for light sensitive and graphic arts products, flexible packaging products, aluminium foils, printed products, security holograms and many other roll supplied products.

In those demanding environments, the reels could be outputting material at a rate of 25 metres per second (56 miles per hour).

And precision of the exercise, as it comes off the reels onto manageable spools, together with the delicacy of some of the materials handled, places very special demands on control systems.

The point is further emphasised by a typical paper mill application, where the Ashe machine would slit paper that is many metres wide as it comes off a reel, onto manageable spools at a speed of 82 feet per second.
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Of crucial importance to Ashe's customers is that the finished reels must have what is called a 'record edge' on a drum; in other words, a finished edge to the reel that is as smooth as an old vinyl record.

Ashe's systems have several novel characteristics precisely designed to realise a range of exacting features, which the company's distinctly-specialist market sectors find advantageous.

These include Ashe's own particular drive system where tension control for the material being rewound is absolutely crucial - Ashe has developed systems to achieve its goals.
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And of crucial importance in Ashe's demanding markets, is the company's ability to provide a complete in-house service, from machining and electronic control to construction, to achieve competitive prices supported by a worldwide after-sales service.

This is where Ashe's focus on ensuring all its systems utilise state-of-the-art components to maintain the effectiveness and reliability of its machine functions, together with the capability to receive guaranteed compatible global back-up to match its own end-user commitment.

Ashe has been an SMC user for many years but has recently switched to SMC as a preferred sole-supplier catalogue, with products including SY din rail mounted manifold valves, CG, MYIC, C85 cylinders and FRL and ITV regulator units.

It is the successful application of SMC's ITV units that persuaded Ashe to source from SMC in total.

It is the ITV electro-pneumatic regulators that convert electrical signals to pneumatic signals.

They perform a vital function in the extremely delicate balancing act that takes place on an extraordinary scale between the parent roll (which receives the cut-down product) and the rewind reel.

The ITV's detect an electrical signal that conveys the known value of the reel tension to give a pneumatic signal of, for example ?

10 bar or 4-10mA, which equates to a minimum air pressure of 0.7 psi Importantly, it is the continuous efforts of SMC's field sales engineers and the technical specialists at the company's Milton Keynes headquarters that have established an unparalleled and intimate appreciation of Ashe's methods and ideas.

Ashe's Chief Engineer Keith Fordham explains, 'SMC's contribution has been very helpful to us.

They supply all the cylinders and help us solve the issues that arise in establishing the best pneumatic equipment for all the machines,' he said.

'To help explain how much their input is relied upon, you have to realise that all our machines are different and are required for different situations, particularly when it comes to holding materials at speed reliably.

We have been using SMC for years and their contribution has helped with our success.' Keith Fuller is one of Ashe's design engineers and together with SMC he is at the focal point of system development.

'We're very busy and these large bespoke projects can take seven months from start to finish.

But from our standard ranges, such as our label inspection and label slitting machines and inspection machines, you can be looking at a quick turn-around of only about four weeks.

Yet even then, it is only rarely that we don't have to customise a machine in some aspect or other.' Geoff Parkin, Ashe's Factory Manager described the markets in which Ashe operates as tough commercial climates.

However, through SMC having a focused approach to Ashe's engineering ideals, by maintaining a detailed knowledge of the customer's markets and the dedication of its people in understanding the product range, SMC makes a significant contribution to Ashe's success.

'Before we sourced all our pneumatics, we would have problems with other products and could spend months testing.

Of crucial importance to our machines' performance is the production of very low pressures that control the unwinding process on many applications as we sometimes need virtually no tension,' he emphasised.

However, Ashe can vote with confidence for SMC because the company and its products save them on cost, on time of assembly and on Ashe's inventory, added Keith Fordham