March 23, 2019, 08:59:12 AM
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Author Topic:  M-710iC/50  (Read 340 times)

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January 09, 2019, 05:20:17 PM
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As tool sizes here increase we will have to upgrade the load capacity of the robots we are currently using (M-10iA/12), so we are thinking of going to the M-710iC/50. Does anyone have experience with this model? Our main concern is cycle times. I know that the 710 will be slower, but I'm wondering the comparative linear speed it can accomplish as we are doing mostly linear motion paths.


Today at 08:59:12 AM
Reply #1



January 09, 2019, 06:28:45 PM
Reply #1


The M-710ic/50 is a good model. The maximum commanded linear speed is 4000 mm/s, but it would take a longer movement to be able to accelerate up to that speed. If you have RoboGuide or download the free trial, then you could test out the speed with some example paths to find out what your cycle time will be.

January 10, 2019, 08:48:14 AM
Reply #2


I have been working with M710i to M710iC-50E robot models from RJ2 to R30iB and it's kind of my specialty model :icon_rolleyes:
In the link above I have uploaded 2 videos demonstrating the speed these robots can reach on path sensitive applications like work-piece precision grinding operations. This is a mix of Joint linear circular and cirle arc motions. Also linear motions controlled in degrees/second speed.
Also, HAWKME states it will take a longer movement to accelerate the robot to its maximum linear speed which is 4000mm/s. This is not true for linear movements. I can confirm that linear movements ignore (or semi-ignore) interpolation between previous and next point and can easily reach 4000mm/s in small distances (even less than 200mm point distance can reach 4.000mm/sec speed although it is pretty violent and hazardous for the robot happiness concerning the deceleration). Joint moves on the other other hand are highly interpolated and the speed is higly based on distance travelled and next point speed setup.

In my opinion, take a closer look at R1000iA 80F. It is a little Stronger than the M710iC and a little faster.

RJ2 Controller motion planner was 1000times better than R30iB motion planner.  :icon_neutral: I am sorry I couldnt hold myself. I had to confess.


January 10, 2019, 06:45:29 PM
Reply #3


So much wrong information in the last post  :down:.

Linear movements do blend the previous and next points if you use CNT termination.

It takes about 750mm's of movement to reach top speed at 100% acceleration. That means the total motion segment must be at least 1500mm long. 200mm into that movement and the robot will be at about 1700mm/s. I verified this using MotionPro moving in world Y.

The R1000ia/80F is slower than the M-710ic/50, which can easily be looked up on Fanuc's website. It is a pretty basic rule of thumb that the bigger the robot, the slower and less accurate it gets.

I have programmed and installed many M-710 robots and know very well their capabilities. The main advantage the R1000 has over the M710 is higher payload and the J4 joint is closer to the wrist, making for easier cable management.

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