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Air Expanding Shaft
An air expanding shaft is a pneumatically actuated expandable shaft designed to give fast, secure and even gripping of cores and sleeves during high-speed winding and unwinding applications. This state-of-the-art solution offers better holding power with instant release speeds in converting, printing, packaging, and textile industries that require quick roll changes and accurate core centring to maximise productivity and minimise downtime. Typical applications include core mounting in slitting and rewinding machines, roll support in flexographic printing presses, material handling of laminating and coating equipment, etc. without manual effort or complex mechanical changes. Air expanding shafts are constructed of lightweight aluminium and offer precision-built expansion chambers, along with robust rubber gripping elements for reliable performance and long service life. The advanced pneumatic design allows air-expanding shafts to offer even, radial expansion with consistent clamping force while providing instantaneous release capabilities for smooth and rapid roll changeovers and providing emergency stop in the event of a web break or machinery failure. In addition, they offer flexible capability for different core diameters and roll widths with standard compressed air requirements for compatibility with existing pneumatic installations. Check out some of the best air expanding shafts here at Aajjo. Read more
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Lug Type Expandable Shaft
₹ 16,500
Get Best Price| Brand: Others |
| Brand : Anar Rub Tech Pvt. Ltd. |
| Condition : New |
| Finishing : Customize |
| I Deal in : New Only |
₹ 28,500
₹ 22,000
₹ 28,000
Conveyor Roller Shaft
₹ 4,000
Get Best Price| Brand: Others |
| Finishing : Chrome Polish |
| Material : Mild Steel |
| Model : Conveyor Roller Shaft |
| Shape : Round |
SS Mechanical Expanding Shaft
₹ 18,000
Get Best Price| Brand: Others |
| Capacity : 400-500 Kg |
| Corrosion Resistant : Yes |
| Diameter : 70 mm |
| Length : 1000-3000 mm |
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Tidland Leaf Shaft, Automation Grade: Semi-Automatic, Tube
₹ 4,000
Get Best Price| Brand: Others |
| Automation Grade : Semi-Automatic |
| Capacity : 1 ton |
| Color : various |
| Finishing : various |
₹ 45,000
Cast iron Shaft
₹ 4,000
Get Best Price| Brand: Others |
| Country of Origin : Made in India |
| Finishing : polished |
| Material : cast iron |
| Packaging Type : box |
Lug Type Air Expandable Shaft
₹ 10,200
Get Best Price| Brand: Others |
| Box : wooden box |
| Expanding Length : As per customer request |
| Material : Aluminum, M.S, Steel, Carbon light |
| Model : Lug Type Air Expandable Shaft |
AAYAR Silver Mechanical Expansion expanding expandable Shaft
₹ 10,000
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| Brand : AAYAR |
| Color : silver |
| Material : steel Chrome |
Mechanical Shaft
₹ 22,500
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| Diameter : 74mm |
| Finishing : Polished and Hardchromed |
| Material : Mild Steel |
| Overall Length : 1 Meter And Also Available upto 4 Meter |
Ari 3500mm Air Expandable Shaft
₹ 15,000
Get Best Price| Brand: Others |
| Application : Industrial |
| Brand : ari |
| Dimension/Size : 3'' |
| Material : m.s & alu |
₹ 15,000
Air Expanding Shaft
₹ 15,000
Get Best Price| Brand: Others |
| Country of Origin : Made in India |
| Material : SS |
₹ 15,000
₹ 15,000
₹ 15,000
Silver Arvind rubber Bottom Cutting Knife Holding Shaft
₹ 10,000
Get Best Price| Brand: Others |
| Available Sizes : 500mm to 4000mm |
| Brand : Arvind rubber |
| Color : Silver |
| Minimum Order Quantity : 1 Piece |
₹ 10,000
₹ 35,000
₹ 10,000
Cast Iron Polished Air Expanding Shaft, 12inch
₹ 25,000
Get Best Price| Brand: Others |
| Coating : Nickel |
| Colour : Black |
| Finishing : Polished |
| Material : Cast Iron |
Alloy Steel/Aluminum (body) Air Expanding Shaft
₹ 5,000
Get Best Price| Brand: Others |
| Air Pressure : 0 to 6 Bar |
| End Piece : Alloy Steel (EN-24) |
| Loading Capacity : Up to 3200 Kg |
| Material : Alloy steel/Aluminum (Body) |
Mild Steel Air Expanding Shaft, Size: 3"" To 12"" Length Up To 6 Meter
₹ 15,000
Get Best Price| Brand: Others |
| Bladder : Rubber Bladder |
| Brand : Pranav |
| Corrosion Resistant : Yes |
| Delivery Time : 3 to 4 week |
EN19 Powder Coated Air Expanding Shaft, 1800mm
₹ 19,800
Get Best Price| Brand: Others |
| Finishing : Powder Coated |
| Loading Capacity : 1.60 Ton |
| Material : EN19 |
| Overall Length : 1800mm |
₹ 9,600
Hardchrom Plated Air Expanding Shaft, Size: 3"" Core
₹ 12,000
Get Best Price| Brand: Others |
| Color : Hardchrom Plated |
| Loading Capacity : Upto 0.5 Ton |
| Material : SS / MS / Aluminium |
| Packaging Type : Wooden Box |
₹ 16,500
₹ 12,000
Alloy Mechanical Expanding Shaft, Tube
₹ 15,000
Get Best Price| Brand: Others |
| Brand : Resource |
| Capacity : 5 ton |
| Country of Origin : Made in India |
| Material : Alloy |
UMAC Carbon Steel,Aluminium Leaf Type Air Expandable Shaft, 4M, Expanding length: 3.8M
₹ 20,000
Get Best Price| Brand: Others |
| Brand : UMAC |
| Expanding length : 3.8M |
| Finishing : GROUND |
| Inner Diameter : TO SUIT |
Air Expandable Reel Shaft
₹ 16,500
Get Best Price| Brand: Others |
| Brand : RPEE |
| Color : Chrome Plated/Hard Anodize |
| Country of Origin : Made in India |
| Material : M.s.+Hcp / Aluminum+Anodizing |
Alloy Steel Powder Coated Air Expanding Shaft, 2.5 Mtr
₹ 10,000
Get Best Price| Brand: Others |
| Brand : Hitech |
| Finishing : Powder Coated |
| Material : Alloy Steel |
| Minimum Order Quantity : 5 |
Variable Metal Rewinding Mechanical Shaft
₹ 5,000
Get Best Price| Brand: Others |
| Country of Origin : Made in India |
| Features : Rewinding |
| Material : Metal |
| Minimum Order Quantity : 1 |
₹ 5,000
Air Expanding Shaft
₹ 12,000
Get Best Price| Brand: Others |
| Material : Stainless Steel |
| Model : Air Expanding Shaft |
Ahmedabad, Gujarat
Aluminium and Mild Steel Air Expanding Shaft, 1500 MM
₹ 12,000
Get Best Price| Brand: Others |
| Expanding Length : AS PER REQUIREMENT |
| Finish : Polished |
| Finishing : AS PER REQUIREMENT |
| Length : Upto 4800 mm |
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Air Expanding Shaft related Questions/Answers
What is an air shaft used for?
Air shafts have many applications. They are also called air-expanding shafts. They secure and control material rolls in industries. These include paper, plastic, film, and foil. The shaft expands when air is pumped inside. This locks the roll in place. It prevents slippage during rotation. Air shafts are sophisticated machines. They ensure stability and efficiency. Air shafts are also applicable to the printing, packaging, and textile industries. It improves productivity while it shortens down time. The expansion of the shaft guarantees a firm hold. It facilitates smooth and accurate unwinding or rewinding. Air shafts are available in various sizes and designs. Some of them are equipped with rubber bladders that provide inflation to working levels; others have mechanical expanding elements. They are very lightweight yet strong, allowing simple handling. The rapid deflation and inflation save a lot of time. Correct maintenance guarantees the lifetime of the shaft. Regular air pressure tests help to avoid failures. Regarding roll-handling operations, air shafts significantly help to increase production. It improves balance. It helps to decrease material waste. This makes it very crucial. Current businesses depend on it.
What is the mechanism of expanding shaft?
As the expansion shaft expands, usually by increasing its diameter, it achieves a secure grip over the materials. The shaft itself has a hollow core with air chambers inside. With the introduction of air in these chambers, they expand, pushing the mechanical elements outward. These elements press against the inner surface of the roll, firmly locking the material in place. The expansions also stop slippage during rotation. Some shafts use rubber bladders for inflation. Others use mechanical expanding lugs or strips. The expansion is very fast. It is also even. This allows easy mounting of rolls. It also makes dismounting simple. Deflation of the shaft instantly releases the grip. Expanding shafts gain lightweight and strong together and withstand high-speed functions. They are used in printing, packaging, and textile industries. Proper air pressure is required for proper functioning. Maintenance is required to avoid leakage and failure. Better maintenance of shafts helps increase work life. It will enhance efficiency and reduce downtime. Expanding shafts will get the materials accurately handled. They are vital to modern manufacturing operations.
What are different types of shafts?
A kind of shaft that has been widely used in industries is known as the transmission shaft. It transfers energy from one component to another component. The drive shaft, for this one, helps connect an engine to a wheel or any other rotating parts. Similarly, linear motion has been converted into rotation for engines by crankshaft mechanisms. Axle shafts are designed to support wheels and provide power transmission to them. Pumping shafts transmit rotation to the pumps placed in a fluid system. Camshafts are responsible for controlling timing regarding valves in an engine. The movement is carried to the steering mechanism via a steering shaft. Torsion shafts resist twisting forces. Flexible shafts let power be transferred in problematic or confined areas of shape. In the sectors of industry—paper or film—air shafts hold and control material rolls. Spindle shafts are used in the machine tools to hold rotating tools. Each shaft is mainly distinguished according to its purpose, design, and application. These shafts transmit motion. They support structures. They provide mechanical power. They work across systems.
What is the working principle of air shaft?
A process for expanding a hollow core airshaft would use internal chambers that house air. Air is pumped into those chambers to expand the shaft. The shaft ends up getting much bigger in its diameter when it inflates, which locks the material roll position. One of the advantages of the expansion is uniformity, as the lock is minute and very secure. The material roll, therefore, is made to be held tightly, preventing it from slipping during rotation. As air pressure builds, it forces the mechanical elements inside the shaft to press against the roll and hence holds the roll intact without any kind of damage. This is achieved when air is deflated from the shaft, as it comes back into the original size, and it becomes easy to mount and take out the rolls with speed . The air shafts are lightweight but very strong; this would smoothen operation and precision as well . Perfect expansion enables very efficient handling of material. This is a proven principle. It ensures stable working. It allows uninterrupted operation. It works across different industrial fields.
What size is an air shaft?
Now, the air shafts are set according to its application. There are air shafts in many diameters and lengths. Diameters range from 1 inch to 12 inches for the normal shafts. But for the intensely used applications, larger diameters are also available. The length of the shaft varies according to the roll of the material it needs to hold. The shaft lengths range from 12 inches to several feet depending on the material it is to accommodate. The weight and dimensions of the roll are also used to determine the size. Air shafts can be custom-made as per requirements. The importance of the diameter lies in holding the material roll properly. The length promises stability and correct alignment during operation. Some air shafts cater to the narrow rolls while others suit the wider rolls. Hence, there is a wide range of diameters allowing their use across many applications covering industries such as printing, packaging, and textile production. Correct sizing of the air shafts increases the efficiency and smooth handling of materials.
Do air shafts have a self-centring system?
Inside the air shafts is a self-centering mechanism. It is an internal component and naturally centres the material roll on the shaft. Its inside parts could be air bladders or mechanical ones. It balances the roll itself. Turning, it rolls in a consistent state. Air is pumped inside the shaft, which in turn inflates the internal components. Those components adapt to the roll, positioning the material roll with outward pressure against it. This serves to align the roll in an appropriate fashion so as to ensure that tension is uniform during operation and reduce chances of roll slippage. The self-centering mechanism is crucial at high speeds. It allows uninterrupted, steady material flow. This feature is especially important in industries like printing and packaging. These industries require critical precision control over materials. The advantage of making this adjustment automatically is that the time of doing it manually is greatly reduced. Thus, the self-centering mechanism improves efficiency and lessens downtime. Routine maintenance ensures the system works at its best. This makes air shafts trustworthy. It also makes them efficient in industrial settings.
Why do buildings have air shafts?
In buildings, particularly big buildings or large apartments, air shafts are fixtures for bringing in ventilation. Hence, fresh air enters as stale air is carried out through these shafts. The shafts favour natural airflow. They do not rely on artificial air or air conditioning. This brings temperature variation and humidity adjustment. These factors improve indoor air quality. Typically, they are shafted in the middle of the building proper or in stairwells between the floors. Air shafts can also be used to take fumes or gas from kitchens or bathrooms. The air shafts of the past served plumbing and electrical services. These shafts allowed pipes and wires to move through the building. At the same time, they facilitated some air movement. Air shafts help lower energy consumption. They improve the natural ventilation process. This reduces air pollution from harmful gases. In high-rise buildings, air shafts are essential. They ensure constant circulation throughout the building.
Why do pyramids have air shafts?
As far as one can tell, the pyramids having air shafts must have served several functions, of which ventilation is one principal function. These shafts let air flow in and thereby ventilated the interior of the pyramid. This was important for workers and priests. They might have entered the pyramid during construction. They also entered for religious rituals. Another major function was, then, symbolic. Many Egyptologists believe the air shafts supported the pharaoh's spirit in ascent to paradise. The shafts line up with significant stars. Notably, they align with Orion's constellation and Sirius. These stars were important in ancient Egyptian views. They were connected to the afterlife. These star alignments thus crafted a pathway linking the pharaoh to the gods. Air shafts helped control temperature and humidity. This preserved the tomb, mummies, and treasures. The planning of the air shafts was precise. It shows the Egyptians' advanced understanding. They excelled in both architecture and spirituality. Second, the air shafts were equally important in combining the mundane need for ventilation and the spiritual purpose of a tomb. In this way, the shafts become a bridge between engineering and divine symbolism.
How much weight can a 3 mm air shaft hold?
A lot of elements define the weight an air shaft can bear. The 3 mm diameter is somewhat tiny; thus, the weight capacity of the shaft will not be very high. Lighter materials are often handled with smaller air shafts. The construction and the materials with which the shaft is made determine its strength. Air shafts made of high-strength materials such as steel or aluminium can sustain higher loads. Some air shaft designs include expanding elements. Air pressure also plays a role in determining load capacity. These elements decide the weight the shaft can carry. A 3-mm air shaft, depending on the material, will transport such light rolls typically under 100 kg weight. Still, the manufacturer's specs have to be verified for correct limits. Shaft length, material of the shaft, and operational parameters including speed and tension influence the weight capacity as well. Regular maintenance guarantees best safety and performance of the bearings during operation.
Which air shaft is best?
Application will affect the optimal air shaft. Standard air-expanding shafts perform nicely for light to medium-duty applications. One can make it of steel or aluminium. Most foundry businesses, including those in printing, packaging, and textiles, also depend on these air shafts concurrently. In applications with heavier loads, a high-strength air shaft is needed. It is reinforced with stronger materials. These shafts have several expanding elements. They can bear a higher load capacity. They also offer better durability. For instance, air shafts with rubber bladders give much better grip and flexibility for paper or plastic films. Another feature is self-centering. It ensures the roll's axis remains aligned. This keeps the distance from the axis to the material width consistent. It minimises misalignment during processing. This reduces slippages and improves speed. For high-speed operation, shafts for tension regulation must be operated with great precision. Furthermore, pneumatic shafts have to be constantly considered as robust against regular use and easy to maintain. In some sectors, custom-made air shafts fit specific uses and could be required. Experts find that the optimal air shafts depend on the material type. They also rely on load capacity and operational speed. These factors determine the best air shaft choice.
