Take into consideration these 5 bottom lines prior to purchasing a precision lift table for your combination task.
Determine the amount of deflection that is acceptable for your application. Accuracy lift tables can have repeatability in altitude that is as good as +/ -.025″ of an inch. Bear in mind, the more exact the lift has to be, the more expensive it is mosting likely to cost you.
2. Permitted Tons Drift:
If your application needs zero load drift, then you a accuracy ball screw lift table could be your finest option. These Electro-mechanical lifts are powered by an electric motor which turns a screw which consequently raises as well as decreases the lift. They are extremely specific and also have zero tons drift. This system is great for applications that need to have security at any elevation and for prolonged amount of times.
3. Loading Problems:
It will certainly be very important to understand how the tons is transferred onto as well as off of the precision lift table. If your application calls for the lift to be packed at a mid-stroke placement, (that is where the lift is not fully increased, or totally decreased) then you require to be clear with the producer on just how that tons is put onto the lift. As an example, if the load is rolled onto the lift, this might provide major countered loading problems for the accuracy lift table. If the tons is reduced onto the lift, after that there is less of a opportunity for deflection as well as damage to the lift.
The method in how the accuracy lift will certainly be regulated needs to be gone over early in your planning stages. Most automated lifts are controlled with a PLC as opposed to a human driver, Nevertheless, if an operator is in charge of cycling the lift, after that the unit will likely have to be furnished with a vertical string encoder or restriction buttons. The upright string encoder will maintain the PLC informed on what elevation the lift is currently at. This enables it to quit at fixed elevations as required by the application. The limit switches over operate in much the same fashion, yet with much less flexibility.
5. Obligation Cycle:
Precision lift tables are often high responsibility cycle lift tables as the majority of automation does not include the human driver. Hence, the lifter should execute its cycling at an sped up rate as its outcome is much greater than a traditional lift. Task cycling can be as high as 120 times an hr based on the application demands and also the material that is being created. If this is indicative of your application, after that this will require the precision lift table to be strengthened at the scissor joints, the scissor tracks, and additionally the roller wheels.
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