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Introduction
When buying Pines Tube Bender model from dealer, you must check for these points:
When buying Pines Tube Bender model from dealer, you must check for these points:
When buying Pines Tube Bender model from dealer, these points must be checked:
Gear box has full oil level.
All fluid levels are topped up and there are no leaks.
Mechanically, the machine is clean and tight.
The mandrel system is complete and in good condition
– Gear box has full oil level
You can check the oil level by looking at the dipstick. The oil should be clean and free of debris, but if you notice it has become dirty or has an unusually strong smell, this may indicate a problem with your tube bender’s gear box. If you notice that there is a leak, it could mean that there is a crack in one of the gears inside. This will require professional repairs by someone who specializes in hydraulic machinery repair because they will need to use special tools to dismantle parts and inspect them for damage before they can make any adjustments or repairs.
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– All fluid levels are topped up and there are no leaks.
All fluid levels are topped up and there are no leaks.
The electrical connections have been checked for tightness, and all bolts in place.
Any machine vibration or noise is normal for the Pined Tube Bender model, this is due to the material being compressed without any damage occurring to the machine.
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– Mechanically, the machine is clean and tight.
The best way to check a used machine is to physically inspect it and make sure all nuts, bolts and hoses are tight.
Cracks in the frame and bedplate can cause serious problems when they are hit during operation. Make sure you look for these cracks before buying.
Check the alignment of driven rolls by slowly moving them toward each other; if they don’t move evenly, there may be something wrong with the bearings or drive shafts that will need fixing before using the machine again.
Check for hydraulic hoses for leaks at connections or along their length by spraying some soapy water on them (if you have no access to soap then use WD40). If there’s no leak then try pulling on each hose – if there is any resistance then this means that clamps have loosened off or seals have gone bad which means repairs would need doing as soon as possible after purchase!
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– The mandrel system is complete and in good condition.
The mandrel system is complete and in good condition.
What you’ll want to check here is that the mandrel is not damaged or cracked, as this could cause problems when bending metal tubing. If a crack has developed, it’s best to replace the whole unit with a new one if possible.
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– The centreline of the driven rolls is parallel to the centreline of the tube drive rail, so that the tube will advance straight into the rolls without skewing.
The centreline of the driven rolls is parallel to the centreline of the tube drive rail, so that the tube will advance straight into the rolls without skewing.
This is an important feature because it ensures a uniform bend radius when you’re bending tubes of different diameters. If this alignment isn’t correct, then some parts of your bend will be stretched further than others, resulting in a wonky shape.
To check for this alignment:
Measure from one side of your drive rail over to where each roll begins (this measure should be identical).
Measure from one end of your driven roll set to where each individual roller begins (this measure should also be identical).
Compare these two measurements: if they’re not equal, then they need adjusting by tightening or loosening some bolts on their respective sides (see diagram above).
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– The alignment of the driven rolls is maintained by tie bars, not dowels nor gib lock screws, which can stick as metal chips and paint accumulate around them.
The alignment of the driven rolls is maintained by tie bars, not dowels nor gib lock screws, which can stick as metal chips and paint accumulate around them.
The bender also has a built-in roll height setting system that allows you to make adjustments without removing the upper head assembly or loosening any fasteners. The height gauge is located on top of the unit so it’s always visible from above, even when mounted in a rack.
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– The tie bars are clean and free of chips and debris. This allows the tie bars to move freely, allowing easy realignment of the rolls.
Tie bars are the only way to realign rolls.
The tie bars are clean and free of chips and debris. This allows the tie bars to move freely, allowing easy realignment of the rolls.
The operator should inspect these items regularly and make any necessary adjustments as required for smooth operation of the machine.
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– There are no cracks in the frame or bed plate. Check especially around all welds, since cracks initiate in these areas due to repeated flexing during bending operations.
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– Check all hydraulic hoses for leaks at connections and along their length. Look at hose clamps to ensure that they have not slipped and loosened on their hoses.
Hydraulic hoses are the most important part of a machine, so it’s essential to keep them in good repair. In particular, you should check all hydraulic hoses for leaks at connections and along their length. Look at hose clamps to ensure that they have not slipped and loosened on their hoses.
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Those are some simple checks before purchasing used Pines Tube Bender
If you are going to purchase a used Pines Tube Bender, there are some simple checks that you should perform before committing. These include:
Checking the gear box oil level. If it is not at the correct level, this indicates that something may have been leaking from the gear box and suggests that you should check for other signs of damage.
Checking fluid levels in all hydraulic cylinders (for example, yoke cylinder). These will indicate if they have been leaking or damaged in any way.
Making sure that the mandrel system is working correctly by turning it manually or using a hand crank on each side of the machine to ensure it can turn freely without binding up or sticking due to wear on bearings inside.
Checking alignment of driven rolls – making sure centerline between them is straight; parallelism between rolls themselves also needs checking (to ensure they’re not distorted) so that surface being bended has even curvature as well as flatness along its length when bended over its entire length (if possible).
Check frame and bed plate for cracks or corrosion; make sure there’s no movement present when frame is shaken side-to-side slightly: if there is then bent beams could be causing this issue – which means replacement will probably be required sooner rather than later!
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Conclusion
The above points are some of the basic checks that you should do before purchasing a used Pines Tube Bender. In case of any doubt, it is always better to take an expert with you for inspection and evaluation of the machine in person.
