New Grapple

[J_J]

Although you now have the grapple, They send you a grapple that was not measured to correctly fit your tractor, and they want you to fix the problem yourself. Not.

There is no excuse for shabby work with CAD, and good measuring sticks everywhere.

Just where did they get the drawings for the fit up.

As long as you get at least a half inch of locking power, you should be OK.

The grapple was probably made for some other tractor, and they thought it was close enough

Now, do you think they will fix the next generation of grapples for the same tractor?

[SPYDERLK]

Although you now have the grapple, They send you a grapple that was not measured correctly for your tractor, and they want you to fx the problem yourself.

There is no excuse for shabby work with CAD, and good measuring sticks everywhere.

Just where did they get the drawings for the fit up.

As long as you get at least a half inch of locking power, you should be OK.

The grapple was probably made for some other tractor, and they thought it was close enough

Now, do you think they will fix the next generation of grapples for the same tractor?

It was made to be Skid Steer compatible. Therefore it should be. Theres a standard there. All they have to do is follow it. Somehow Bobcat manages to. ... Maybe since theyve been there from the origination.
larry

[IslandTractor]

It was made to be Skid Steer compatible. Therefore it should be. Theres a standard there. All they have to do is follow it. Somehow Bobcat manages to. ... Maybe since theyve been there from the origination.
larry

The tolerances for a QA mount are not exactly like those of a camera lens. There should not be slop but a "skid steer" mount is not such a precisely made piece of equipment that it is shocking to find slight gaps. Here is the SAE standard for the skid steer QA mount. http://www.tractorbynet.com/forums/a...tachment-mount

[J_J]

The tolerances for a QA mount are not exactly like those of a camera lens. There should not be slop but a "skid steer" mount is not such a precisely made piece of equipment that it is shocking to find slight gaps. Here is the SAE standard for the skid steer QA mount. http://www.tractorbynet.com/forums/a...tachment-mount

If they followed that standard there would be no problem. Welder probably had a bad day

I tend to disagree about the precision, with the exactness of cad drawings and welding setup for welding parts, and rechecking material for fit after complete. Where is that go - no-go gage we have all used.

1/2 in is really bad in this age of cad, plasma, laser cutters, etc. They all cut to precision, and with proper set up. the same results can be achieved every time, or it is rejected, or redone.

You can bet the bosses tractor attachments are done correctly the first time.

[Rockgod]

I can't believe the number of these grapples being pumped out that don't fit right. But then again people continue to accept/fix them their selves. Unreal...

[dstig1]

Sorry, IT, but I'm with JJ on this. It is sloppy fixtures or QC. Even gator told me that it should be no more than 1/8" gap and that they screwed up. Mine was in the ~3/8" range before shimming. There is no excuse to be off 1/2" over a 16" dimension in a production environment, especially when it is a critical-to-function dimension.

[SPYDERLK]

It was made to be Skid Steer compatible. Therefore it should be. Theres a standard there. All they have to do is follow it. Somehow Bobcat manages to. ... Maybe since theyve been there from the origination.
larry

The tolerances for a QA mount are not exactly like those of a camera lens. There should not be slop but a "skid steer" mount is not such a precisely made piece of equipment that it is shocking to find slight gaps. Here is the SAE standard for the skid steer QA mount. http://www.tractorbynet.com/forums/a...tachment-mount

Is your point that it does not have to be SS compatible, or that if it fits on then thats close enuf? Everything has acceptable tolerances. Those tolerances follow the part function. How much do you consider a slight gap? It really depends on where, doesnt it? Tolerances account for these sensitivities or lack thereof.
larry

[IslandTractor]

Sorry, IT, but I'm with JJ on this. It is sloppy fixtures or QC. Even gator told me that it should be no more than 1/8" gap and that they screwed up. Mine was in the ~3/8" range before shimming. There is no excuse to be off 1/2" over a 16" dimension in a production environment, especially when it is a critical-to-function dimension.

I agree that 1/2" is way off. However 1/8" clearance can make clearance so tight that hookup gets difficult so a little slop is desirable. Laser cut and factory precision welded parts from a CAD drawing are not always pluses in a farm environment where a little dirt can interfere. It also matters how deep the tractor side adapter pins drop down as that can make up for some of the gap by ensuring the grapple cannot pop off even if it "jiggles" a bit when mounted.

[jmc]

It is inexcusable but if they can't make it to spec, it's better to be too big than too small. Too small and you get EVERY ONE returned. Too big- only some of them.

[Rockgod]

This is the 1/8". Never had a single problem hooking up.