Aluminum pneumatic cylinder tube (also called aluminum air cylinder barrel) is a kind of profile pipe used for assembling cylinders with honed smooth inner wall and high precision.
It only needs to be cut according to the actual required length, flattened, tapped, and deburred to be assembled with the front and rear base of cylinders. Most aluminum air cylinder tubing are made of aluminum 6063.
The cylinder tube (often referred to cylinder barrel as the cylinder main body) is indeed the most core and primary main component kit of a pneumatic cylinder assembly.
Aluminum cylinder tube is very important for lightweight design of actuators,whichgreatly improves the production efficiency and the qualified rate of finished products, and greatly reduces the production and processing cost.
Aluminum cylinder barrels come in various types, primarily differing the positioning hole of cylinder installation, fixing groove for magnetic reed switches, cylinder inner diameter, and outer diameter, etc., which are all finished on the cylinder tube in advance.
The cylinder tube is made of high-strength aluminum alloy and is manufactured through precision extrusion, drawing, heat treatment, and surface oxidation processes. It features lightweight construction, corrosion resistance, good thermal conductivity, and is environmentally friendly and recyclable.
Several common types and characteristics of aluminum cylinder barrels
Aluminium cylinder tubes include Round cylinder tube, Square cylinder tubes, Mickey Mouse type cylinder tube, SDA, CQ2, ADVU and other compact cylinder tubes, dual rod cylinder and compact guide cylinder tubes, and stainless steel honed hydraulic tubing, etc.
Thies type has high strength-to-weight ratio,is generally used for SC series cylinder with tie rod , and aluminum mini pneumatic cylinder. It has a simple structure, low cost and convenient installation. There is a large amount of inventory, so we can make fast delivery for most types. The maximum inner diameter is 320mm.
This type is mainly used for DNC series and ISO series pneumatic cylinders. Square type cylinder tube is much stronger than common Round type cylinder tube, and has more accurate size too. The inner wall is honed and smooth and wear-resistant after oxidation treatment. It can be matched with most ISO15552 and ISO6431 cylinder front and rear bases.
The installation thread can be directly processed on the square cylinder tube, no need for another tie rod to fix it. In addition, the cylinder tube has installation grooves for magnetic reed switch, which is more convenient to fix magnetic reed switches directly on it without any brackets. The operation is very simple. The bore size range is from 32mm to 125mm.
The cross-section of the Mickey Mouse cylinder tube is similar to Mickey Mouse, so it is often called a Mickey Mouse cylinder, which are used to assemble SI, SU and ISO series cylinders. The feature of this cylinder tube is that 4 raised ribs are used to replace the tie rod on the tie rod cylinder. In this way, it can reduce the problem of uneven installation force greatly, and it is much more convenient to assemble than the SC cylinder.
The cost of Mickey Mouse type cylinder tube is between SC round cylinder tube and DNC square cylinder tube, and its strength is much stronger than SC type. The bore size (inner diameter) range is from 32mm to 320mm. Please note that although the Mickey Mouse type cylinder tube of SI and SU series look the same in appearance, there are subtle differences in the specific installation dimensions and cannot be replaced at will to avoid problems in assembly.
Compact cylinders are special. Their front and rear covers or bases are fixed with circlips, unlike other cylinders to be fixed with threads or tie rods. The bore size range is usually from 32mm to 100mm.
The biggest advantage of the dual rod cylinder is that it can ensure the parallel movement of the cylinder piston without any rotation and swing. Common dual rod cylinder tubes include TN, CXS, MGP series, etc.
Stainless steel cylinder tube is generally used to assemble MA, DSN series stainless steel mini air crimp cylinders, and can also be used to assemble all stainless steel series tie rod cylinders or hydraulic cylinders. Because the pressure of the hydraulic cylinder is much higher than that of air cylinder, the wall thickness of hydraulic cylinder tube is also much thicker than common pneumatic cylinders. Stainless steel cylinder tubes are available in 304, 316, and 316L grades. Without special instructions, the default material is stainless steel SUS304.
Pneumatic cylinder tubes are essential components in various industries and applications, primarily for converting compressed air into mechanical motion. They are used in systems where linear motion is needed, such as:
◆ Automation: In factories, pneumatic cylinders are used to move and position parts in automated production lines.
◆ Material Handling: They assist in lifting, pushing, and sorting materials on conveyors and other machinery.
◆ Robotics: Pneumatic cylinders help in robot actuators for controlling arms, grippers, and other components.
◆ Packaging: Pneumatic cylinders are used for packaging machines to automate the filling, sealing, and labeling processes.
◆ Construction Equipment: In heavy machinery, they provide lifting, lowering, and tilting functions.
◆ Automotive: Pneumatic cylinders are found in car manufacturing processes for lifting parts and assembly operations.
◆ High strength, resisting compression and tension
◆ Smooth inner wall, low coefficient of friction
◆ Natural corrosion resistance
◆ Environmentally friendly and pollution-free
◆ Lightweight design for greater flexibility
◆ Excellent thermal conductivity
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