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COVER PAGE |
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IBT |
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ISG |
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ENGINEERING |
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MATERIAL HANDLING |
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PT |
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FLUID POWER |
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IBT MEDIA |
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SAFETY |
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LEAN SIX SIGMA |
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ELECTRICAL |
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IMT |
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LUBE |
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Easy Steps To Cylinder Replacement Specifying
by George Fortner, Sales Training Specialist
Fluid power cylinders are actually linear actuators that move loads in a straight line, out and back. The cylinder chosen must be powerful enough to overcome the load and must have stroke length long enough to move load to proper position. Finding a new cylinder to replace one that has reached the end of its useful life can be a challenging task, but it needn't be.
There are a series of simple questions that can help you communicate with IBT and get the right replacement unit first time every time. Some of the questions assume a certain technical familiarity with fluid power, but most do not.
Questions to be ready to ask and/or answer:
- Is the cylinder hydraulic or pneumatic?
- What is the brand name on the existing cylinder?
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Do you know the part number and serial number of existing cylinder?
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What does it do? Does it lift a load, push a load or pull a load?
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What is the bore size? (Inside diameter of the cylinder tube)
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What is the working stroke length? (Total distance of rod travel)
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What is the rod diameter? (If you can't measure clearly, take the circumference and divide by π (3.1416)
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What is the style of rod end? (Male thread, female thread, blank)
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What material is the cylinder made from? (Steel, aluminum, Stainless)
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What type of cylinder is it? (Tie-rod, welded, throw-away)
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How does it mount? (Clevis, foot, front flange)
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What type of equipment is the cylinder attached to or part of?
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What is the operating pressure in the plant? Standard is 90 psi for pneumatic? If hydraulic, make sure that the information is accurate and verified.
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Does the cylinder have cushions? (If so, are they adjustable?)
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Are there any special options? (Magnetic pistons, special seals, stop tubes)
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Does the cylinder have limit switches?
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Are there related products in place the need attention, too? (directional control or flow control valves, mufflers, tubing and fittings, filters, regulators & lubricators)
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How many do you need? How quickly do you need them?
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Do you have any specific brand preferences or requirements?
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Does the cylinder need replacement because it has exhausted its useful life? Or did some other problem in the design or maintenance of the system cause it to fail?
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Is the existing cylinder which is being replaced properly sized and specified? Or do you need cylinders with different or modified specifications and tolerances?
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Who spec'd the original cylinder? Has the application been reviewed within the past 2 years?
If you need help with choosing the right cylinder, contact Gary Foerschler today.
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To learn more about fluid power products from IBT, contact us today!
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