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I told the o-ring "forget you". since removal of this rubber POS and proper calibration i have been getting correct, constant and multiple readings on all the boards i measured (between 48" and 18")...

the teeth are definitely leaving nice bite marks in the tape. the outfeed rollers are both adjusted just a hair below the board. i also ran another test project where i have a set of parallel lines...

Here is the excerpt from the video of the counter-clockwise cut made by my CW (1.179):

http://www.youtube.com/user/TecWrec?feature=mhee#p/a/u/0/dKz6VUAaYVI

the first four squares (two big two...

further i did the testing with clean power running through a UPS AC filter with nothing else on the circuit and the same results transpired.
again created an MPC with 4 sets of squares about 1.5"...

Al,
Judging by your latest pictures (especially the first one) and previous feedback i see that your machine is not mis-behaving like mine. its not the machines limitations i am trying to...

All these things have been checked; the head is tight, the bearings appear clean and tight, y-belt is tensioned, bit is brand new, x-drive has just been replaced, the x and y motors have been swapped...

i checked the pressure and its continuously recording between 78 and 80 lbs. I also checked the rubber belts install manual and all the washers/spacers appear to have been installed. I did the "paper...

Further attempts to repair still futile!
Just to reiterate the original problem: the belts jerk and cause an uneven cut when engaging/disengaging the "2nd gear" or high speed head movement, but only...

Well, i tore off the bottom and side panels as per instructions on the carvewright website. it appears that there is a lot of play between primary and secondary gear, and by messing with mechanics i...

Follow-up:

I took the machine's cover off and cleaned the crap out of it. i found no play in the bearings that move the head in y and z direction. I noticed a very slight play in the gear boxes...

thanks for all your help, i will try running the MPC through the machine again per Al's and Bud's suggestions and get back to you all. if that fails im going to dig into the machine over the weekend...

Bud,
That sounds like a compromise, i really would rather rout than carve as it takes less time. i need it to be the same size at the bottom as it is on top of the carve region hence the clean up...

my sled seems very sturdy, and stays under both rollers at all times. it is a solid piece of 12x2x18 with a carved out region just a tad bigger than the boards i use to cut into (3.5x5.5x.25). the...

the sled does have a pocket just a tad bigger than project board and at the depth flush with it. the hot glue and wood splints hold it in there well ( i need to use a hammer and a dull chisel to get...

Thanks for the reply Al, Bud,

I am using a sled that is about 18" long, by 10" wide and 1.25 deep with masking tape on both sides and always select stay under rollers. I use splints and hot glue...

Hello,
I bought a used, upgraded machine from some guy who claimed to be an LHR tech, it came with rubber belts, carvetight chuch, probe, most recent software/firmware and even LHR invoice....