Thermoforming Machine Application Sheet

         During the thermo forming process, the polymer is heated to form the product. As the product exits the mould, the material will cool causing the molecules to rub against each other which generates the static charge.

 
        This static charge creates an electro magnetic field which in turn will attract airborne contamination onto the product. This will lead to rejects and loss of productivity.  

        By positioning a PULS Electronic Ionising air blower across the conveyor or exit area of the thermo-former, you will bathe the formed product in ionised air. This will aid the cooling process, eliminate the static charge and prevent contamination being attracted to the product. This in turn will increase productivity, reduce waste and down time and improve profits.

Static Electricity on Parisons Application Sheet

        As the par?sons are extruded from the machine they will start to cool. As they cool, the molecules inside the polymer will rub against each other and a static charge will be generated. As the charge ?ncrease, the par?sons will start to repel from each other as they will all have the same charge due to identical manufacturing process and material make up. This will cause damage to the part.

        By positioning a PULS Electronic ionising bar across the par?sons, you will neutralise the charge as the parts cool. This will prevent damage to the par?sons, reduce waste and down time while increasing productivity and profits.

Nylon Bag Opening Static Application

In bag production for forming handle part of bags, handle part is generated with a cutting knife system before cutting process. During this process air can enter in plastic which will cause incorrect cutting. This will lead to lossy and incorrect production.

        For preventing this production problem, charging bar should be placed before cutting knife which has opposite charges.Thus, entrance of air and sticking of  plastic that will be cut is avoided and a reliable production is provided.

Polythene Bag Handle Charging Application

         When reinforcing the handles on plastic bags, a further sleeve is added for strength. This sleeve can repel from it set position due to static charges on ether the bag or the sleeve itself. This causes misalignment, wastage, down time and rejects.

        After the sleeve has been positioned, you can induce a charge into the material using a PULS Electronic charging system. This will hold the sleeve while the thermo weld is completed and prevent wastage thus increasing productivity.

Typical Un-Wind and Re-Wind Application

         On any un-wind operation, as the web is pulled from the roll, you have material separation. As the surfaces separate, electrons from each surface will migrate from one surface to another. As the surface of the material is non-conductive, it cannot flow back and a static charge is now on the web. This charge will create an electro-magnetic field which in turn attracts airborne contamination onto the web causing rejects and wastage. 

        Another area of concern is the electro-magnetic field can be absorbed into the bodies of operators who work in close proximity. The operator will then discharge when coming into contact with an earth potential such as. Machine casing. Door handle or another operator. Although painful, the charge is in most cases not dangerous. The resulting involuntary reaction of the shock however, is dangerous when working close to moving machinery. 

        During the wind-up operation, any static charges on the web will cause the material to repel and not roll correctly and leave a record edge finish. This again can cause loss of product, waste and down time. The problem of operators absorb?ng charges ?nto the?r bodies is also prevalent here. 

        On both un-wind and re-wind the application is the same. By neutralising the charge on the roll you will remove all the possibility of material misbehaviour, dust contamination and operator shocks. 

        PULS Electronic pulse DC bars can be mounted to ionise the n?p of the roll. This will eliminate the charge on both sides of the web. 

        If you are unable to position a bar in that configuration, an ionising blower can be mounted to bathe the reel in ionised air, which will neutralise the charge.

Flat Bag Cutting Machine Application Sheet

        After the manufacturing cycle of a flat bag making machine, the bag will have built up large static charges from the un-wind. Friction of rollers and the heat from the thermo welding. Although highly charged, the bags are under tension and do not cause the manufacturer problems. When the bags are cut, the static charge then will cause the material to attract to an earth potential such as rollers. Machine casing etc. This is also a problem when trying to stack the bags. As the bags are manufactured from the same material and have been through the identical manufacturing process, they will hold the same charge. This will cause the bags to repel from one another and not stack correctly. 

        By positioning two PULS Electronic ionising bars (one ether side of the web) across the material prior to cutting, you will neutralise the charge and the bags will then stack correctly, reducing wastage. Down time and increasing productivity.

Static Application in Packaging Machine

        In packaging machines while rolled film is unwrapped, static charge occurs because of decomposition. This static charge causes film to stick to the metal parts or itself so leads to incorrect and lossy production.

        For preventing this situation, anti-static bar should be placed on sections in which roll is opened and packaging begins for neutralizing static charge. Machine will execute more reliable and efficient packaging in these conditions.

In Mould Labelling Application Sheet

 

       


       During in-mold labelling applications, the label can be attracted or repelled from the surface of the mould dependant on what charge is on either surface. The robot arm will pick the label and position the label. 

       If the label is the same polarity as the surface of the mould, the label will be repelled from the mould and rejected. If the label is of the same polarity, the label can be attracted from the robot arm and misaligned. 

        By neutralising the mould pr?or to the label being applied you will have a neutral surface to position your label onto. Then using a PULS Electronic generator and charging head (fitted to the robot arm) you can use the static charge to stick the label into position.

Automated Sleeving Machines Application Sheet

       On automated sleeving machines, the problems arise as the sleeve is opened for fitting to the bottle. As the sleeve is opened, the two surfaces are separated and electrons migrate from one surface to another. As the material is Non conductive, it cannot re-address the imbalance and retains the static charge. 

       The charged labels will now become attracted to an earth potential or a charge of the opposite polarity. If the bottle the label is being fitted to is of the same polarity, the label will repel and jam causing waste and rejects. If the bottle is of the opposite polarity, the label will be attracted to bottle too quickly and the syncronisation will be out, causing jams, down time and waste.

        By neutralising the bottles pr?or to the label being fitted, you will eliminate the chance of material m?sbehav?or and miss aligning. This will reduce waste and rejects and ?ncrease volume, productivity and profits.

Vertical Form filling Machine Application Sheet

        Static charges are generated as the material is un-wound from the reel. These charges increase as the web passes over rollers and into the forming area. The static charge will create an electro magnetic field which attracts airborne contamination onto the web. This can be a catastrophic problem in food packaging sector.

        By positioning two PULS Electronic ionising bars (one either side of the web) after the un-wind, you will remove the static charge and eliminate the possibility of contamination being attracted to the material. 

        Dependant on the length of run from the un-wind to the forming area and the product you are filling in the formed bags (Dusty or powdery products can be worst effected), you may need to position a further two ionisers (one either side of the web) to prevent the product sticking to the inside of the formed bag and cause rejects at the thermo welding process.

Labelling Machine Application Sheet

        Labels can be misaligned or repelled from charged bottles due to large static charges which are generated as the bottles move through conveyor systems. The bottles encounter high levels of friction which charge them. When the bottles are pos?t?oned to have the label fitted, the static charge on the bottle, as well as the charge on the label (generated as the backing tape is removed) can cause the labels to repel from the bottles. This causes waste, rejects and down time.

        By positioning either a PULS Electronic blower or bar to the conveyor prior to the label application, you can bathe the bottles in ionised air and eliminate the possibility of rejects, improving quality, productivity and profits.

Shrink Wrap Machine Application Sheet

        Large static charges on shrink wrap machines are generated as the material un-winds from the reel. These charges ?ncrease as the web passes over rollers. The charged material will then become attracted to earth potentials such as grounded rollers or and metallic part of the machine which is earthed. This is called material m?sbehav??or.

        By positioning a PULS Electronic ionising bar across the web pr?or to the wrapping process, you will neutralise the charge, prevent material m?sbehav?or. Increase volume productivity and profits while reducing down time and waste

Over Wrapper Packaging Machine Application Sheet

On an over wrapping machine, the film is charged as it un-winds from the reel. Ths charge will attract airborne contamination onto the material which results in rejects and loss of revenue. The static charge can also jam the machine as the charge becomes so high that it attracts to the machine rollers which act as an earth potential.

By fitting PULSElectronic ionising bars to the un-wind, you will remove the static charge and prevent dirt and other airborne contamination from attracting to the web. This will increase productivity and profits whilst reducing waste and down time.