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Posted By TM1
If rubber sleeves were slid over the forks on a forklift truck to prevent / reduce damage to cargo, would there be a need to produce a new load chart?
each sleeve would weigh approx. 25kgs
thank you
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Posted By Stefan Daunt
Hi TM1
Yes, as per the fitting of any additional attachment a new load chart would have to be produced as the load centres will be altered. plus the lift capacity of the FLT will be reduced. 50kg may not seem a heavy weight, but if the FLT is lifting it's maximum capacity it can make the difference to it tipping forward or not.
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Posted By andy.c.
Stefan
Why will adding the sleeves affect the load centre, the load centre is the distance from heal of forks to centre of gravity of the load, adding the sleeve will not affect the load centre.
TM1
Are these sleeves a permanent attachment, if so how are you going to check the forks for signs of stress, what affect will the extra depth make to the operators entering / exiting the load.
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Posted By Stefan Daunt
Hi Andy,
surely the load centre would be changed, as the FLT may have a rated lifting capacity of 2500kg for instance at 500mm load centre with no attachment or modification. If you put 2, 1 metre sleeves on the forks at 25kg each on you have added another 25 kg total onto the load centre past the 500mm point toward the tip of the forks?
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Posted By DKH
If these sleeves are fitted over the current forks and are not extentions then this would not actually extend the load centre.however you would be pre loading the FLT by 50kg & if these are a permenant fixture the rated capacity should be altered but this must be undertaken by the manuafacturers in partnership with the suppliers of the attachment, my advise is to speak with suppliers & contact your FLT service provider for absolute clarification.
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Posted By steve grimes
im not really sure 25kg is that substantial on say a 3.5te FLT if ya that close to the limit you got the wrong FLT in use anyways
duh
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Posted By andrew morris
Best advice is speak to your FLT supplier (or the supplier of the sheaths). I do not see how they will change the load centre, but they will decrease the load capacity and you should consider how the FLt is operated with them - are they likely to slip off/cause the load to stick/restrict work with pallets, etc.
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Posted By stone rose
Afternoon all,
Lifting engineer again! my input for what its worth - all of you are making good points vis-a-vis reduction in capacity, fork entry into pockets etc. However would I be right in thinking if the forks have to be sheathed they will be coming into direct contact with a surface you do not wish to damage?. If that is the case would you not sheave the whole of the fork? If that is the case the weight of the rubber would be equi-distant about the centre of the fork (remember load centre is from the backplate of the fork to the centre of the load not the centre of the fork).
Why not get an old Flat Web sling cut to length - or a new one or a chaffing piece and use them opened up and slipped over the fork ?? cheaper, lighter, removeable, high co-efficient of friction (sticks like).
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Posted By Juan Carlos Arias
If the sleeves are not longer than the actual forks the center of gravity WILL NOT be affected. I also agree that if you are working with weights so close to FLT capacity then you should be looking to get bigger trucks. If you assess the maximum weights the FLT will be handling and you find that is considerable lower than the truck's capacity I would not worry so much about putting an extra 50kg on. I would worry more about (as already said) the adequate inspections of the forks (which will be more troublesome with the sleeves and perhaps omitted by operators) and any adverse effects the sleeves can cause on the loads being handled.
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