horrible circular scratches in my new laminate done by roomb

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Re: horrible circular scratches in my new laminate done by r

Postby jdong » December 21st, 2015, 6:36 pm

I'm also trying to imagine what could create scratches like that on a Roomba. The front caster wheel is the only "hard" thing that contacts the ground. The other two wheels are soft rubber. Still, the caster wheel wouldn't contact the tile with enough force and friction to leave that kind of scratching...
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Prevent laminat from scratches + front wheel quiet on tiles

Postby off-road-biker » January 21st, 2017, 9:00 am

vic7767 wrote:By cutting a groove into the plastic wheel, you can then install a rubber O ring into the groove and the front wheel now only makes contact with the floor by way of the O ring surface.

Image


Hi Vic

I would like to use this solution to
prevent my laminat from scratches and make the roomba quiet on tiles.

Looking at you given size 11/16 x 7/8 which should be 17,5mm inner diameter :shock:
So I measured my roomba 560 front wheel and it has nearly 25mm outside diameter.
I suggested to buy an O-Ring with 23-24mm ID and thickness 1,5-2,5mm so that the OD should be around 25,5mm with installed O-Ring. :think:

What would you recommend?
And what could be the max outside diameter?


Thanks in advance for the answers. :thumbup:
Roomba 560 with 700 ECHM (grey) and modded original vac bin (R3)
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Re: horrible circular scratches in my new laminate done by r

Postby vic7767 » January 21st, 2017, 10:11 am

off-road-biker wrote:I would like to use this solution to
A little trial and testing will be needed so that the O ring OD when installed on the wheel has enough clearance to allow it to spin freely on the metal axle while mounted inside the swivel housing.
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Re: horrible circular scratches in my new laminate done by r

Postby gregj » January 22nd, 2017, 7:02 am

if the robot can scratch the floor, the floor is rubbish and shouldn't have been installed in an apartment. I'm sorry, one kid can do more damage running around the flat then a robot.
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Re: horrible circular scratches in my new laminate done by r

Postby leonicholson » November 22nd, 2018, 3:13 pm

vic7767 wrote:
off-road-biker wrote:I would like to use this solution to
A little trial and testing will be needed so that the O ring OD when installed on the wheel has enough clearance to allow it to spin freely on the metal axle while mounted inside the swivel housing.


Does this reduce the sound of the wheel when transitioning to another surface?
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Re: horrible circular scratches in my new laminate done by r

Postby vic7767 » November 22nd, 2018, 7:34 pm

The O ring is softer material than the swivel wheel so it is possible there would be less noise.
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Re: horrible circular scratches in my new laminate done by r

Postby RTC » November 23rd, 2018, 2:54 am

DeReD wrote:Hey folks,

Looking forward to your responses.Im attaching a pic below.

Regards,
O

scratching.jpg


Those don't look like scratches to me, they look like "scuffed rubber".
Have you tried to see if they buff off the surface?

Such scruffs can happen anytime rubber slides over a hard surface (e.g. rubber soled shoes) and are the reason "rubber soled street shoes" are prohibited on ballroom dance floors. They can be hard to remove but are not actually scratches in the material.

On hard tile you could try a mildly abrasive plastic scrubber pad to lift them (this would not work on a waxed wooden floor as it would cause more damage, but on tile it should be OK).

The only thing I can think of on a Roomba that would leave black rubber scuffs is a tire either dragging or spinning without proper traction. Very odd.
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