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BP250 Bag placer and bag top control The Bag Placer BP 250 eliminates the need for manually hanging and holding bags, or reforming them into the closing machine freeing the machine’s operator for other tasks, whilst speeding up the overall bagging proces

BP250 Bag placer and bag top control

The Bag Placer BP 250 eliminates the need for manually hanging and holding bags, or reforming them into the closing machine freeing the machine’s operator for other tasks, whilst speeding up the overall bagging process. The bag top is always controlled during the whole operation offering total bag control, especially important for fluid, free flowing products such as Milk, Flour, Animal feeds and other fine powder products.

Features Include:

High speed reliable bag placer (Same as BP150 version)
Bag former on Spout
Start-Stop take away conveyor
Total bag control arms

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TAPE OVER SEWING - TOS 3000-SW & -SL

Providing your multi-wall paper bags with a siftproof closure!

The TOS system tackles the issue of product leakage that is commonly experienced within fine powder industries such as milk, flour, animal feed and chemical products.  Current methods of sewing allow product to seep through the sewn bag top, it is here where product leakage is experienced.  Also, for high value products such as these, a secondary inner seal can be applied offering a sift-proof closure, ensuring no product is lost, or contaminated, during transit.

Features include:

·         2 Machines in one - Double Closure !
·         Prevention of product falling between the different layers of the bag
·         Prevention to ingress of foreign items.
·         Providing a closure which is strong, durable and sift-resistant.
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Validatable Sealer

The Validatable Saxon sealer has been designed to offer to the customer the security of the closed bag by producing a 100% Validatable and calibrated seal, relating to all the sealers parameters (temperature,speed, pressure, band breakage, to name a few).  The Validatable sealer is an attractive option for the Medical, Pharmaceutical, chemical industries and high end quality products and  where strict controls are required in the traceability and quality of the product.  The Validatable Saxon Sealer will give the customer the ability to record all the set parameters relating to the sealing of the bag in accordance to:-

ISO 116072: Packing and terminally sterilized medical devices-

Part 2: Validation requirements for forming and sealing and assembly process.

The control aspect of the sealer is locked out to non-authorized personnel, allowing only authorised personnel to make changes to the parameters of the sealer. The parameters will be protected by a password and any changes that are carried out will be recorded by, Operators code, Time, Date and changes carried out via the HMI Touch screen connected to a PLC. This provides an integral security so that all the process parameters are protected and recorded onto a data logger which will allow the daily production details to be down loaded onto a removable memory stick, this can be uploaded to a computer in the production office and saved for verification records.  This provides the production department with a traceable record of the seal of the bag for that day’s production. This may be enhanced if the bag is printed with a date and time stamp as well as the batch number and best by date.

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Robot Palletizer

In addition to our common layer-style palletizer, Fischbein Saxon can automate the whole bagging process utilizing leading robot technologies.  

Robots can be preferable when space is limited, bagging speed needs to be significantly increased, or a more accurate specialized handling operation is required.

A recent installation can be viewed below. This was the preferred solution for our client due to its compact design, high speed, reduced man-machine interface and specially designed gripper to allow accurate handling of 25 & 40 kg bags.

 
Feeders Screens from Schenck Process for crusher relief and classifying of stones for hydraulic work

Linear Motion Vibrating Screens LinaClass SLR model series are used for crusher relief and classifying of stones for hydraulic works.

The feed rate can be up to 3,000 t/h. The cutpoint can be set from 60mm up to 400mm. Their rugged design ensures a high degree of operating reliability and availability, even under harsh conditions.

Schenck Process provides the optimal solution for your application thanks to its long years of experience in the design, construction and manufacturing of screens for the process industry.

Linear Motion Vibrating Screens are characterized by well-engineered design and a high quality standard.  Schenck Process SLB/SLC screens are designed especially for use with screen mats for dewatering.

 
Barton Support Six Silo Scheme

Six new aluminium and stainless steel silos have been installed by Barton Fabrications at IKO plc. The major contract awarded by the specialists in roofing waterproofing is part of a £2million+ plant investment. Capability in providing a single source of liquid and powder storage for IKO’s first silo installation, plus technical support provided during silo specification, helped Barton to secure the order.

Three stainless steel and three aluminium silos have been installed at IKO’s Chesterfield site. The stainless steel silos each stand 9m tall with a capacity for 100,000 litres of liquid plasticiser. The 12 metre high aluminium silos are used for dry powders: these contain non-flammable materials in the form of PVC resin and calcium carbonate. The silos are all fitted with load cells, ladders and hand-rails for safety and ease of operation.

Commenting on what impressed him about Barton’s service, Andrew McArthur Engineering Manager of IKO plc said:

“Barton Fabrications were able to provide a single source of silos for both liquid and powder storage. They guided us through the specification process and liaised with our materials handling engineering company to ensure that the specification, installation and commissioning all ran smoothly.

“As the site is close to residential housing, a key requirement of the plant design has been to minimise environmental impact. Barton Fabrications worked closely with us to keep the height of the silos to the level of the roofline. The construction quality of the vessels has also been impressive.”

Barton Fabrications is the UK’s leading silo manufacturer for the food and plastics industries.

The company regularly works closely with all the key European materials handling engineering contractors simplifying the silo specification process and ensuring trouble free installation and commissioning.

 
A Revolution in mobile washing equipment

Bauma 2010 will see the launch of what is being described as a revolution in mobile washing equipment for quarrying and recycling applications.

The M2500 is being introduced to the global market at Bauma by CDE Global, the Northern Irish manufacturers of washing equipment for the quarrying, mining and recycling industries.

The CDE M2500 is the first feeding and screening system designed specifically for washing projects and incorporates the CDE Prograde screening technology and Evowash sand washing plant on the one unit. The unit can be used to produce up to three washed aggregates and two washed sand products.

The integration of the Evowash sand washing element within the M2500 system has major benefits for the customer due to a substantially reduced plant footprint and advanced transfer point technology which effectively eliminates spillage and enhances plant efficiency.

“The Evowash sand plant is fed by gravity” explains CDE Design Manager, Terence Bratton. “This eliminates the requirement for additional conveyors, sumps and pumps. This has the effect of not only reducing the plant footprint but also ensures substantial cost savings for the customer.”

The introduction of the M2500 system to the market by CDE Global is a culmination of years of experience in the delivery of major washing equipment installations for all of the major names in the global construction materials industry. The company has completed major projects throughout Europe, the Middle East and India with capacities from 20 tons per hour to the two largest sand washing systems in the world in Qatar with capacities of 1200 tons per hour. The company’s area of expertise is extensive with experience in sand washing, quarry crusher dust washing, lignite removal, USPGA golf sands production, filter sand production, construction and demolition waste recycling and iron ore washing. “What we do is very simple” explains CDE Chairman, Tony Convery, “we wash sand and aggregates. We focus on washing in a variety of different industries and this focus ensures that the equipment that we offer is the most efficient available on the global market.”

“Bauma is without doubt the premier global exhibition for our industry” explains CDE Marketing Manager, Peter Craven. “It is for this reason that we have decided to launch the new CDE M2500 at Bauma in order that we can reach the largest possible global audience.”

The M2500 has been developed by CDE in response to the absence on the market of a fully integrated feeding, screening and washing plant that has been specifically designed for the washing equipment market. “While other variations on mobile wet screening started life as dry screens which were then converted by the crude addition of some spray bars, the M2500 has been specifically designed as a mobile washing plant” explains Peter Craven.

The M2500 is available in a variety of configurations and can accommodate production of up to 140 tons per hour of washed sand. The unit can be fed via an integrated feed hopper and belt feeder or can be fed directly from a separate mobile crushing or screening plant.

The standard M2500 machine comes equipped with a feed hopper with a 9m3 capacity and a static tipping grid. This feeds an integrated 14m conveyor with 1000mm belt which then delivers material to the CDE Prograde P75 rinsing screen. The screen options include two or three 5m x 1.5m screen decks and a choice of wire mesh, rubber or polyurethane screen media.

The integrated Evowash sand washing plant can produce up to 150 tons per hour of washed sand with dual sand options also available. The total production capacity of both washed aggregates and sand from the M2500 system in standard set up is 200 tons per hour.

 
Belt Conveyor

A conveyor belt (or belt conveyor) consists of two or more pulleys, with a continuous loop of material - the conveyor belt - that rotates about them. One or both of the pulleys are powered, moving the belt and the material on the belt forward. The powered pulley is called the drive pulley while the unpowered pulley is called the idler.

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In the driving seat

Low speed drives - the direct hydraulic drive approach. Brian Holmes of Hagglunds weighs up the advantages

When faced with a decision about a low speed drive forindustrial plant and equipment, there is a tendency to follow the traditional line of thinking of some kind of high speed motor or turbine and a gearbox selected for the speed and torque required. This solution will often require other elements in the
drive train to complete the installation such as couplings, clutches, pulleys, belts etc and foundations. Sometimes these arrangements are complex with quite high design cost.

However, there is an attractive and simple alternative of using direct hydraulic drive.

Hydraulic motors have been used to drive all kinds of plant and machines for a long time. The excellent controllability, flexibility and user friendly nature in use with an unbeatable power to weight ratio were and still are strong attractive reasons for using fluid power.

But hydraulic motors have developed and there are now a very wide range of direct hydraulic drives available up to a massive
250 lt/rev and over 1MW in power from a single unit completely eliminating the need of gearboxes. The great advantages of
hydraulics with inherent simplicity and flexibility can now be applied to heavy duty industrial applications operating 24/7
where efficiency, reliability and long life are prerequisites.

Hydraulics offer full control of power, torque and speed by using axial piston pumps supplying variable flow to the drive
motors thereby providing variable speed, which is essential for efficient processes. And by controlling pressure, we directly
control the torque. Both can be precisely controlled and integrated into power control by electrical signals. Thus complete control of the drive is available bringing high functionality and versatility to the drive.

Some characteristics of hydraulic drives:-
Low inertia
Full torque available from zero to maximum speed Shockproof
Perfect load sharing
Can be applied in almost any environment
High power to weight – Compact and weight saving
No problems with EMC or distortions on the power supplies.

Typical applications include steel plate feeders, belt conveyors, bucket wheel reclaimers, shredders, mills, mixers, winches,
drilling and injection moulding machines.

The hydraulic drive has very low inertia and so can react instantly giving excellent response and control. For example roll mills can
stop instantly compared to high inertia gearbox drives which take longer to slow down. This is a significant improvement in the safety of operators working for example in the rubber and plastics industry.

On drives with high speed motor and gearbox, a very high moment of inertia is evident and if the machine is liable to shocks, for example on a crusher when an uncrushable object enters, the transient forces experienced can often damage the machine and the drive, causing costly repair and time in lost
production. The direct hydraulic drive in the same circumstances stops instantly, the forces limited by fast acting pressure controls, are kept within design limits and so no damage and less wear is caused giving high reliability and low maintenance.

Hydraulic drives are charged with oil, cushioned so to speak
and can therefore be applied on tough applications withvibrations and shock without problems.

With electro-mechanical drives, the torque at low speed is often time restricted or can be reduced significantly. With a Hagglunds motor for example, the mechanical efficiency of the motor is very high and high torque can be maintained indefinitely even when at stalling pressure and speed. You do not have to compromise the machine function - whatever speed you require, you always know you have full driving force available. On many types of machine this can mean the difference between starting up without problems or not being able to start resulting in hours of lost production. It can also mean that in some cases the electro-mechanical drive is oversized with more cost, less
efficiency and higher running costs.

Drive direction is also no problem for hydraulics; the drive can
be reversed instantaneously and smoothly with a simple electric
signal to the piston pump. This is very useful on applications like shredders where jamming can occur and where reversing, particularly with full torque at zero speed can unjam machines and keep production flowing. These characteristics are also important on constant tension systems where the drive has to maintain a constant tension on a wire rope using a winch.

Hydraulic drives by their very nature have perfect load sharing
characteristics. If two motors are driving a drum for example, the pressure from the common pump unit would naturally provide equal pressure to the drive motors effectively sharing the load. Electro-mechanical drives would either have to be mechanically linked or provide some form of electronic synchronisation which can lead to problems and vibrations.

Conventional gear train drives can take up a lot of space
around the machine. Direct hydraulic drives mount directly on the drive shaft of the machine. There are no foundation requirements and no alignment problems. The power unit is positioned out of the way with just the hydraulic pipework
connection to take care of. The whole machine look and concept can be transformed improving machine performance, reducing weight, improving operator access and reducing maintenanceand noise levels are lower, well inside normal regulations.

If the environmental conditions are hot or cold, oil can be used
to either cool or warm the motor to protect from those extremes and the power unit can obviously be provided with heaters and coolers as required. The rugged design can be exposed to dusty, humid and even underwater conditions. For explosion proof areas, the standard hydraulic motor is normally acceptable.

The electric motors used with hydraulic drives are standard squirrel cage induction motors running efficiently at constant speed. The pumps are controlled by a simple electrical signal to a control card. Therefore no problems are introduced as regards EMC or distortions on the power supplies which has been a
major and costly concern with AC variable speed electro- mechanical drives.

Some weaknesses of hydraulic drives

The hydraulic design is heavy duty as standard therefore it may not be competitive on price if applied on low power, light duty, fixed speed applications unless there are other considerations such as multiple drives or the environment to consider.

On some applications high inertia is a benefit, for example on crushers of very hard materials.

Where exact synchronisation of drives with varying loads and speeds is required under all circumstances e.g. steel rolling mills.

Where the gearbox has to be designed into the very machine it is driving, so utilising the shear bulk of the gearbox. Somesuch applications are crushers and extruders.

Hydraulics have, in some cases, been associated with leakage, although gearboxes can also be a source of leakage although
with good practice and regular attention leakage can be eliminated or at least reduced to a satisfactory level.

To summarise, the direct hydraulic drive provides a variable
low speed drive with some unique features and when properly applied gives a very reliable system with real competitive advantages. They can easily be up rated and adjusted to changing requirements. On critical applications for example on cement kilns or chemical reactors the system can provide redundancy in the event of a failure of a pump so eliminating the chance of stopping the machine. Several drives and auxiliaries can be supplied from a single power unit adding flexibility to the options available. The layout, type and permutations of power
unit are endless but companies like Hagglunds Drives tend to use a modular system with standard components and controls which are well matched specifically for drives and can take full responsibility for the complete drive which adds a security
advantage for the end user.

 
Screw Conveyor Calculations

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