Hydraulic cylinders would greatly help the industrial sectors and the construction field. Hydraulic cylinders are designed to do significant tasks, including pull, lift, close, crush, and open. There are a few factors to be considered before selecting hydraulic cylinders.
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Selection of the wrong cylinder might lead to discrepancies in the system. To get the best cylinder that is effective and provides exact results. We need to look at a few questions that would help you make the right decision while selecting a cylinder.
The first question to ask yourself is, why do you need it? What are the requirements? Do you need the cylinder to deal with force, perform push or pull, or hold pressure? With this question, you&#;ll be able to make a smart decision about hydraulic cylinders.
Hydraulic cylinders perform many functions. Many areas involve rough and harsh conditions, extreme heat, or cold. Hydraulic cylinders with nitrocarburized surface treatment have high corrosion protection, which makes cylinders more durable and susceptible to harsh conditions.
The question of where do you want the cylinder to be mounted, and do you have that space? You wouldn&#;t want to go for a size bigger than the size of your; there are purpose-designed cylinders made for jobs in confined spaces. They are called low-height cylinders or pancake cylinders.
Stroke is the difference between fully extended height and fully retracted height of that particular cylinder, that is, the distance between the top of the piston to the bottom of the stop ring. There are telescopic hydraulic cylinders for those needing extra stroke, including low-height versions.
The stroke determines how far the cylinder will push, pull or lift an object. Before considering the stroke of a cylinder, one should keep 80% of the maximum stroke; this ensures better stability and damage.
Hydraulic cylinders are available in two configurations: single-acting and double-acting designs. A single-acting cylinder uses hydraulic pressure to the piston&#;s extent and returns it to its original position. This provides more accuracy and control.
Keep these five points in mind when looking for a cylinder, and you will figure out the best option for your application&#;as the hardest workers in any field, selecting a proper cylinder is critical to keep your performance flawless.
The consequences of making a wrong choice can lead to a complication in the application. Start by asking the right questions. These questions will guide you to choose the best one.
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By Troy Sanders, National Sales Manager, Fabco-Air Inc
Compact air cylinders are critical to a wide range of applications, including printing, palletizing, robotics, automotive assembly, semiconductor processing, and more. This type of pneumatic actuator provides short strokes in a compact, low-profile design, enabling you to use it in very tight spaces. With bore sizes from 0.5 inches to 4 inches and a maximum standard stroke of 4 inches, these cylinders typically feature the longest possible stroke for the smallest package size.
In light of their value and widespread use, it&#;s important to remember that not all compact air cylinders are created equal. There are a number of products currently competing for your attention and a share of the actuator market. Many of these components have similar features. Some even look alike, featuring the exact same exterior dimensions. How, then, can you decide which cylinder to use?
This article provides a helpful overview of air cylinder design and also explores the key features you should look for when selecting a compact cylinder for your application.
To specify the right air actuator, it&#;s helpful to ask yourself two main questions. The first is: What type of work does the cylinder have to perform? The second is: What types of cylinders do you have to choose from?
Compact air cylinders typically come in a wide range of styles, sizes, and mounting options (see sidebar). They can be double acting, which is ideal for pushing and pulling tasks like feeding, lifting, lowering, and sorting. They can also be single acting &#; an ideal configuration if your application requires force in only one direction or involves unloaded return strokes. For safety reasons, single acting cylinders are also popular if a defined position must be taken in the event of a power failure. Typical tasks for this style include clamping, ejecting, and actuating flaps and levers.
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Compact air cylinders also come in single or double rod designs. A more common option, single rod designs often include a spring that extends or retracts the rod. Double rod cylinders, on the other hand, are useful whenever you need equal displacement on both sides of the piston. You can also use the extra end to mount cams for operating limit switches.
In addition to specifying the right configuration, it&#;s important to make sure your compact air cylinder meets the proper size requirements. Due to their use in tight or limited spaces, look for standard bore sizes between 0.5 inches and 4 inches, as well as standard strokes up to 4 inches.
Nonmetallic composite walls deliver strength
To truly evaluate a compact air cylinder, it&#;s helpful to take a look at what&#;s inside. High-performing cylinders will integrate top-of-the-line internal components. Fabco&#;s Pancake cylinders, for example, incorporate stainless steel tie bolts and aluminum spacers, which lock precision-machined heads tightly around a strong composite cylinder barrel. This type of nonmetallic barrel features a smooth, self-lubricating interior surface that ensures reliable, long-lasting performance. At the same time, its high impact resistance reduces the chances that the cylinder will fail due to damage. By contrast, many compact air cylinders currently on the market integrate stainless steel cylinder walls, which, unlike nonmetallic composites, are subject to dings, dents, and other damage. Many also include mirror-finished bores, which make lubrication difficult. Due to their zero slipstick design, Pancake cylinders also avoid the stiction problems metal cylinders encounter when they sit in a static position for too long. Combined with hard, chrome-plated stainless steel piston rods, as well as a nonmetallic rod bearing, Pancake cylinders achieve optimal operation and service life.
Durable rod bushings improve service life
The better the bearing, the more cycles you can expect from your air cylinder. Look for compact cylinders with superior rod-bearing materials. Pancake cylinders, for example, incorporate a fluoropolymer-based composite that is bonded to a supporting lament-wound fiberglass and epoxy resin shell. This material resists corrosion, moisture and temperatures up to 325°F (163°C), enhancing the bearing&#;s load capacity and reliability in harsh environments. Many cylinders on the market feature oil-impregnated bronze bushings, which tend to pull out under side loads. These models also have a lower load capacity than composite options: 4,500 psi (310 bar) versus 60,000 psi (4,137 bar). In addition to composite cylinder walls and rod bushings, other important internal design features to look for in compact air cylinders include:
Compact air cylinders like the Pancake series play a critical role in a variety of applications, from conveyor systems to custom-built machinery. These high-performing cylinders come in a variety of styles and configurations. They also meet the right size requirements for use in tight or limited spaces. But most importantly, these cylinders incorporate high-quality internal components, enhancing your cylinder&#;s durability, reliability, and lifespan in short-stroke applications.
Common Ways to Mount Your Air Cylinder Compact air cylinders come in a variety of mounting options:
Additional Options for Your Air Cylinder
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