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Use These 3 Factors to Choose Builders’ Film for Your Project

Posted by on 5:11 am in Uncategorized | Comments Off on Use These 3 Factors to Choose Builders’ Film for Your Project

Polyethylene builders’ film is available in so many variations that it may not be easy for a layperson to select the best for his or her project. This article discusses some of the features that you should consider as you select builders’ film for an outdoor project. Film Durability Builders’ film should be selected based on the lifetime needs of the project in which it will be put to use. For instance, it would be wasteful to buy builders’ film that can last for several years if your project has a lifespan of a few months. Pay attention to the expected lifespan of the film that you buy so that you select a variety that will address your needs. The most durable builders’ film is usually thicker than the film that will last for a shorter time. However, you should read the product information provided by the supplier so that you can confirm that the selected film will last as long as your project requires. Condensate Control You may also need to select builders’ film that has an additive that reduces the surface tension of the film if you will use that film for a project that can be affected by condensation, such as on a greenhouse application. The condensation control additive reduces the surface tension of the film so that water droplets simply flow off the surface instead of sticking to the film. In this way, the film will remain free from water droplets at all times. UV Light Control Different manufacturers make builders’ film that has varying abilities to block UV light. Pick builders’ film with the highest level of UV damage protection in case that film will be used in a location where constant exposure to sunlight is expected. However, some UV light penetration may be helpful in case your application requires pollinators, such as bees, to access your structure. This is because your plants may not be pollinated in case bees can’t navigate their way around the structure that you have constructed. Bees depend on UV light for their navigation needs. As you can see, not all forms of polyethylene builders’ film will be suitable for your project. You should therefore think carefully about the needs of your project before you go shopping for the film. The suppliers will only be able to help you to make the right decision in case you can describe your needs to them clearly. Those professionals will then point out other features that will make some types of polyethylene builders’ film a better match for your...

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Signs That Cooling Tower Designs Need to Be Adjusted

Posted by on 5:33 am in Uncategorized | Comments Off on Signs That Cooling Tower Designs Need to Be Adjusted

Properly designed and installed cooling towers can perform seamlessly for long. Improperly designed cooling towers use a lot of energy and develop defects frequently. This article discusses some symptoms of a cooling tower whose design may need to be adjusted. Use this information to avoid wasting money on frequent repairs that could easily be resolved by altering the design of your cooling tower. Dry Air Disease Dry air disease refers to what happens when the water flowing through the cooling tower is below the minimum amount needed for the proper functioning of that cooling tower. That insufficient water flow causes scale to form on the dry patches of the fill in the tower. The scale forms when air causes the limited water in the fill to evaporate and form scale. Scale formation starts worsening because the fans in the tower will speed up in order to increase the rate of evaporative heat loss. This increased running of the fans causes more sections of the fill to dry as more air is blown over the limited water available. The best remedy to dry air disease is to adjust the settings of the incoming water so that more water is allowed into the tower. This will ensure that the fill is wet enough to facilitate heat loss from the water entering the cooling tower. Cooling Tower Flooding Have you ever noticed that water overflows from the cooling tower when you shut the tower down at the end of the day? That flooding may be indicative of a design flaw that needs to be corrected. A properly designed cooling tower has an appropriate sump basin that takes all the water from the piping and related features that supply water to the tower. A small sump basin is unable to take all this water. The result is that the excess water will collect and overflow from the tower. This causes the tower to be expensive to maintain because treated water is frequently lost. An adjustment of the sump basin can put an end to this flooding. Pump Cavitation Pump cavitation may also point to a defect in the design of the cooling tower. The absence of a water trap (sump basin) causes the water inside the tower to go below the recommended level since some water will overflow once the tower is shut down for the day. Consequently, the pump will not be primed when you restart the tower the next day. Such a pump will suffer from cavitation. Avoid repeat episodes of pump cavitation by installing a water trap on your cooling tower. Many of the problems above can be avoided by hiring an experienced cooling tower designer to design a cooling system that is suitable for your specific application. Such an expert will test each component upon installation in order to fine-tune the system so that it functions according to the design...

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Water Tank Pumps: Important Considerations All First-Buyers Must Make When Going for an Electric Pump

Posted by on 3:42 am in Uncategorized | Comments Off on Water Tank Pumps: Important Considerations All First-Buyers Must Make When Going for an Electric Pump

Water tanks are a reliable and convenient method of ensuring a constant supply of water within your home. However, you must find a way of moving the water from its source (the tank) as you supply it to various points within the home. An electric water pump is a good way to do this. It is suitable for your domestic needs, unlike a diesel or petrol powered pump. At least it saves you the trouble of having to buy fuel now and then. If you are looking to buy an electric water tank pump for the first time, here are some important considerations you should keep in mind: Consider the Noise Levels When you switch on your electric water pump, the running motor produces a humming sound. If the pump is located near places like bedrooms or study rooms, such noise can make you uncomfortable. The noise levels vary according to the size, model or noise controls installed in the pump by your manufacturer. However, a simple way of regulating the noise is to build a shed around it to aid in confining the noise. To add on that, you can go for a submersible electric water pump that can function even when it is immersed water. The immersion helps to mute the humming sound produced by the pump when it is running. Consider the Water Pressure At each point that you require water supply, you need to consider what you are using the water for and the amount of pressure that will suit your needs. A low flow rate pump would work for areas where you can reasonably wait for a while before you have enough water use. For instance, you can wait for your toilet’s cistern to fill up but such low-pressure applications may not be ideal for things like gardening and showers. You also need to consider how much pressure is available when multiple taps are open. Preferably, make a list of all the needs you will use the water for so that your vendor gives you a pump that meets your pressure needs. Consider Energy Consumption As much as you may want to go for a big and powerful electric, you should consider the money you will pay for your electricity bill. The more powerful an electric pump is, the more power it requires to keep the motor running. To cut the amount of energy required, reduce the number of times that you need to run the pump. For instance, set up a gravity feed system to help in water supply rather than over-relying on the electric...

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Three Tips to Help You Fireproof the Steel for Your Building Project

Posted by on 9:19 am in Uncategorized | Comments Off on Three Tips to Help You Fireproof the Steel for Your Building Project

If you are ordering steel for a building, you need to determine how you want the steel to be fireproofed. There are a range of options, and the one you select depends on your project budget, the amount of time and payroll hours you want to devote to fireproofing and several other factors. Here are some tips to help you through the process: 1. Explore passive fire protection materials. Ideally, in addition to exploring fireproof coating and sprays, you should explore passive fire protection. This is when you surround your steel with other fireproof elements. For example, you could surround the steel with fire-resistant gypsum board. Compare these costs to the costs of coating before you make your final buying decision. 2. Consider adding intumescent coating off-site. If surrounding the steel with other fire resistant materials is not an option, you need to start exploring other options, and one of the popular methods of fireproofing steel involves adding a layer of intumescent coating to the steel beams. You can add this coating yourself on site, or you can order it from the steel fabricators and have them apply it before sending the steel to you. While this can increase the price of the steel slightly, simply because it’s an additional feature, it reduces other costs and risks on the job site. In contrast, if you decide to add the coating at your job site, you have to pay someone to add it. Additionally, you have to be personally liable for any risks related to the fumes or the installation process. When you have the fabricator take care of it, it shifts the risk and labor to them. 3. Skip priming and painting. In some cases, builders want primed and painted steel. This may be necessary if you plan to put the steel in places where it will be visible such as open gable steel roofing or exposed steel beams. However, if you are simply using the steel for structural purposes, you should skip the priming and painting. The rationale for using priming and painting on steel that is going to be hidden inside the building is because it can help deter the buildup of rust on the building site. However, rather than relying on prime or paint, simply agitate the steel with some steel wool to remove rust if it occurs. Skipping priming and painting should help drop the cost of the steel you are buying. However, it also helps the fireproofing layer to stick better, thus boosting its efficacy.  ...

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Weld, Don’t Distort; Here’s How

Posted by on 8:15 am in Uncategorized | Comments Off on Weld, Don’t Distort; Here’s How

Metal fabrication specialists often face a challenge when working with thin sheets of metal that have a reduced degree of stiffness. A thinner (and less stiff) metal sheet has a reduced structural strength. This makes it easier for the metal sheet to suffer distortion (often in the form of warping) after the welding process. There are various ways to reduce the likelihood of distortion when welding thin sheets of metal. Here are three ways to go about this for the apprentice welder. Alter The Welding Sequence The distortion of thin sheets of metal during the welding process often occurs due to the shrinkage of sheet metal. Unfortunately, there is no fool-proof way for a welder to prevent such shrinkage. The best that the welder can do is to ensure that this shrinkage occurs uniformly as the metal is welded. In order to ensure uniform shrinkage, apprentice welders are advised to have an alternating welding sequence. An alternating sequence means that sheet metal is introduced at different points of the weld assembly. Therefore, any shrinkage that may occur along the sheet metal offsets shrinkage that may have occurred in previously-made welds.  This often translates to greater uniformity in the shrinkage of sheet metal during the welding process, thereby limiting the chances of distortion. Reduce The Number Of Weld Passes Passes are single progressions that form along welded joints. Apprentice welders are often free to increase and/or reduce the number of weld passes used during sheet metal fabrication so as to meet the design specifications required for the welded metal. However, it’s important for welders to remember that the shrinkage forces that cause weld distortion are transmitted from one weld pass to the other. As such, increasing the number of passes used during the welding process increases the occurrence of shrinkage forces, which in turn increases the chances of distortion on fabricated sheet metal. For this reason, welders are often advised to use bigger weld passes in a bid to reduce the number of passes required for the fabrication of sheet metal. Jig It Down Finally, apprentice welders can keep distortion at bay by using a jig or a similar clamping fixture to provide a firm hold on the metal to be fabricated. The firm hold helps to prevent unwarranted movement of the metal during the welding process, thereby reducing the likelihood of distortion. Using a jig is a relatively inexpensive option for those keen on controlling distortion during the welding...

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Tips to Follow When Repairing Your Car’s Water Pump

Posted by on 12:11 pm in Uncategorized | Comments Off on Tips to Follow When Repairing Your Car’s Water Pump

The water pump is an integral component of your vehicle. It is designed to keep the cooling system within your car functioning properly. If you do not have a water pump that is working correctly, it will result in your car overheating. When your car over heats, this can have devastating effects on the motor of your car. Before you repair your water pump, it is important that you are aware of the following: Cool It is important that you only begin working to repair a water pump when the engine of the car has had time to cool. If the car is hot, the coolant can also be hot and this can be dangerous to handle. This means that a cool engine should always be observed before you begin water pump repairs. Thermostat When you are repairing the water pump on your vehicle, it is also suggested that you replace the thermostat. The water pump and thermostat work in tandem to monitor and reduce the heat of the motor. It is possible that if you repair the water pump and do not replace the thermostat, it might not function properly. It is possible that the high temperatures reached due to a failing water pump might have actually caused the thermostat to fail as well. Coolant It is also a good idea to add new coolant to the radiator after you have repaired or replaced your water pump. Make sure that you drain out all the old coolant from the radiator beforehand. It is possible that the old coolant could have been burned and might not be functioning properly. New coolant should always be added when you repair the water pump of your car. Fan clutch It is also recommended that you inspect the fan clutch when you are repairing the water pump. When a water pump begins to fail, it often causes damage to the fan clutch. You should be able to tell if the fan clutch has been damaged by just looking at it. If you notice that it is rusted or corroded, you will need to replace it to ensure that your water pump works properly to cool your car’s motor. Pulley It is also important to note that there is a pulley that is positioned directly in front of your water pump. Sometimes it is the pulley that fails instead of the water pump. Take a look to investigate where the leak is visible. If the coolant is leaking behind the position of the pulley, you will know for sure that the water pump is what needs to be repaired. For assistance with the pump repair, talk to a...

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Top tips and techniques when laser engraving acrylic

Posted by on 10:43 am in Uncategorized | Comments Off on Top tips and techniques when laser engraving acrylic

Acrylic is undoubtedly one of the most popular materials due to its magnificent beauty and appeal. Apart from that, this material is also very affordable and that’s why it is applied in a number of applications. One of the best ways to manipulate this material and produce spectacular designs is through laser cutting and engraving. Acrylic engraves gracefully, and you can achieve the best designs if you play your cards right. So if you’re just starting out in engraving acrylic, here are some tips and techniques to help you out. But first, you need to know the two main types of acrylic. Types of acrylic This material is manufactured in two ways: Cast acrylic This type of acrylic is made by pouring liquid plastic between sheets of tempered glass, which are taken through a gradual heating process. The end result is a hardened product of premium optical quality. The best thing about it is that it turns into a frosty white colour when you begin laser engraving it. The white provides a spectacular contrast. Perhaps that’s why it’s common for most engraving applications. Extruded acrylic Extruded acylic on the other hand is manufactured by adding resin pellets and heating them till they melt. One major characteristic of this type of acrylic is that it engraves clear. That is, you won’t see any frosty appearance like its counterpart. It is mainly used for laser cutting because of its lower melting point that leads to a perfect flame finish. So try and avoid using it for laser engraving. 2 powerful engraving techniques When it comes to engraving this material, there are two major techniques: Mirrored reverse engraving In this case, you mirror the engraving patterns on the back side of the clear cast acrylic. This means that the art will have to be reversed prior to the engraving process so that it can appear upright when viewed from the front. Just like writing on the back side of a glass. This techniques creates a fascinating dimensional look-through effect that can really enhance its visual appeal. Paint veneered engraving Paint veneered engraving involves painting the surface then engraving on top of it. You’ll then tear through the paint to reveal the acrylic material below. The advantage of this method is that it brings about a high contrast and definition that can be felt even when using extruded acrylic. Generally, acrylic materials engrave optimally at low power and high speeds. However, when working on painted acrylic, turn up the power a bit to make the laser cut smoothly through the...

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Factors to Consider When Choosing a Glass Shower Screen

Posted by on 12:07 pm in Uncategorized | Comments Off on Factors to Consider When Choosing a Glass Shower Screen

A glass shower screen can open up your bathroom space and help it to look bright and airy. Glass bounces around light so that even a dark bathroom can seem brighter, and it may stay cleaner than a standard shower curtain liner. When choosing a glass shower screen, you need to ensure you consider all important factors and don’t simply opt for the cheapest screen on the market. Note a few of those factors here. 1. Clear versus tinted glass One thing to remember about choosing between clear and tinted glass is that you may want to show off the tile work in your shower. If the shower has natural stone or another expensive type of tile, you don’t want it to be obscured by your shower screen, so clear glass would be the best choice. On the other hand, if the tile in your shower is plain white or somewhat drab, a tint to the screen can add some needed color and style to the bathroom space. You might also choose a tint that coordinates with your linens or overall d├ęcor; a rosy tint can work well with red towels whereas a grayish tint can work well if you prefer a modern look to your home. 2. Hinges and hardware Some shower screens will be attached with clear plastic clips and hinges, and this is done so that you have a much cleaner look to the shower area. Clear plastic hinges will also not compete with the look of your shower tiles or other accessories. If you do want something with more eye-catching appeal, you might go in the opposite direction and choose a shower screen with oversized hinges made of stainless steel, oil-rubbed bronze or another type of metal. These can complement the tiles and colors of your shower and keep your shower screen from looking drab and dull. 3. Thickness A thicker glass shower screen may be less likely to break or shatter, so you might consider this if you have children who tend to play in the bathroom area. However, this thickness may add too much weight to the shower screen depending on its location and how it attaches to the wall. You may find that the additional anchors that may be needed would be unsightly. Your shower screen contractor or seller can usually help you determine if your bathroom walls can easily support a thicker frame, or if a thinner frame may be the right choice for your...

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Three Cost Reduction Strategies in Precision Engineering

Posted by on 7:25 am in Uncategorized | Comments Off on Three Cost Reduction Strategies in Precision Engineering

The field of precision engineering is critical in the manufacturing industry. This discipline is primarily concerned with creation of general structures, machines, electronics and fixtures with low tolerances. In simple terms, precision engineering involves the design and fabrication of commodities that require high accuracy with regard to dimensions. This manufacturing sector can help you acquire custom discrete commodities, machine parts and electrical components for your commercial operations. If you want to make an order for precise fabricated goods, it is critical to think about the financial aspects. Custom products with unique designs and tight dimensional tolerance can be expensive to produce. Here are simple strategies to help you reduce total project costs in precision engineering. Reduction by Design The design of custom products can affect the cumulative project costs. Therefore, this is an important area to target when attempting to reduce your expenses and increase the company profit margins. Ideally, you should create product designs with manufacturability in mind. This means that the blueprint should be proactively prepared with an aim to optimise the projected manufacturing functions. In simple terms, your designs should be made as simple as possible to ensure that the fabrication machines can translate them easily. In addition, the commodities should have few discrete parts to eliminate extensive assembly. These aspects will reduce the amount of energy and human labour required for your project and, consequently, the cost. Standardisation If your business wants to manufacture unique custom products for sale to clients, you should consider standardising the commodities. This process allows you to create a single design which matches the requirements of most consumers in the market. For example, if you want to manufacture printed circuit boards for building computers, you should ensure that the size and specifications of the design can match most potential housings in the market. This will reduce your cumulative costs because you can order mass production from a single design. Your suppliers might also be willing to sell the raw materials for your projects at lower prices if the size, thickness and fabrication material are the same. Ensure that you have performed proper research on your potential clientele before implementing standardisation. Lean Production Lean production involves the elimination of waste during the product manufacturing process. This will be a continuous effort to minimise errors and material scrap in the fabrication setup. This can be achieved through the use of computer controlled precise engineering equipment and proper management of recycling waste material. Additionally, lean production requires rigorous management of human resources by your fabricator and transportation...

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Types Of Weighbridges And Their Most Suitable Areas Of Use

Posted by on 10:28 am in Uncategorized | Comments Off on Types Of Weighbridges And Their Most Suitable Areas Of Use

Weighbridges or truck scales are large sets of scales that are mounted on concrete foundations. A weighbridge from a company like Nuweigh Australia is useful in determining the weight of loaded transportation trucks. Trucks are weighed when empty and when loaded so as to determine the weight of the load carried. Different types of electronic weighbridges are designed to be suitable for use in different work environments. This article provides an overview of the various types of electronic weighbridges and their most suitable areas of use, for the benefit of truck transportation companies seeking to invest in an electronic weighbridge. The Pit-Type Weighbridge A pit-type weighbridge has its platform at ground level. This type of electronic weighbridge is most suited for use in areas where space is limited and pit construction for the weighbridge is affordable. It is for this reason that pit-type weighbridges are common in non-hilly areas. Pit-type weighbridges are advantageous in a number of ways. For one, they do not have ramps and will therefore not require a lot of space. Secondly, because these scales have their platforms at ground level, trucks to be weighed can approach the scale from whichever direction The main disadvantage associated with pit-type weighbridges is that the construction of their foundations can be quite costly. Pitless Electronic Weighbridges A pitless electronic weighbridge has its platform installed above ground level. As such, these truck scales have to be used with ramps. The pitless electronic weighbridge is most suitable for areas where undertaking excavation work for the bridge foundation is difficult, or areas where pit construction is not financially viable. The mentioned type of weighbridge is preferred for a number of reasons including the fact that it eliminates the need for costly pit construction. They are also advantageous in the sense that their platforms can’t get water-logged during the rainy season thanks to their elevation. On the down side, the use of ramps with pitless weighbridges means that trucks can only access their platforms from only two directions where the ramps have been placed. In addition to this, the construction of pitless weighbridges requires a lot of space. Mobile Electronic Weighbridges A mobile weighbridge is a smooth and hard surface where load cell plates are rested. Mobile electronic weighbridges do not need a foundation and can be moved from one place to another with relative ease. Mobile truck scales are popular for their quick installation. Unlike conventional truck scales whose installation can take several months, mobile weighbridges are installed in a number of hours. Mobile electronic weighbridges are the most versatile in terms of suitability of use in different areas. These truck scales can be used almost...

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