New Build 1000x600x200mm (newbie)

[AndyGuid]

. . . . some parallels to raise work up in the vice but keep it parallel to the base of the vice.

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Thanks for that routercnc, as a lay man I've often wondered about the purpose of these "parallels" that folk keep on mentioning, but hadn't yet got around to finding out. Now their purpose makes total sense, and here's a video.
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Machining Tips: What Are Parallels Used For? https://www.youtube.com/watch?v=nlLVEXXlFnY
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Cheers, Andy

[Noplace]

A DTI to square up the vertical face of the vice jaw to the spindle (swinging finger type rather then vertical plunge type), plus some parallels to raise work up in the vice but keep it parallel to the base of the vice.

And sorry about the rain over here, it's supposed to be summertime.

Thanks I already got those covered before. no worries about the rain so far it hasn't bothered us and the weather overall is a step up from the humidity and heat lol. although it's quite fascinating how it alternates between cold and hot during the day and even both at the same time!
do you feel its like that or are we imaging it cause we are new to the place?

[njhussey]

I bought a straight edge and set one rail straight. Then put the carriage block on the beatings and set it square with a dti mounted on the straight rail. Then set the carriage plate square on the other rails carriages. Then put my gantry bottom plate on setting it square with both carriage plates by putting the end plates on as they fastened to both the carriage plate and gantry bottom plate ends, checked with engineers squares. Then drilled and loosely fastened the other rail at one end and sliding the gantry down the rail I marked, drilled and tapped as I went down so using the gantry to align the rails....

[Noplace]

Another question gentlmen, when I mount my motors, how do I determine the best tension on the belts? both my gantry and Z will be belt driven and I have already used a calculator site to determine the belt length ( and bought it ) based on the distance between the points. but then what actual distance would I screw the motor at?

thanks!

[Noplace]

Update:

had issue with my Z motor turned out the cable had some issue so I just cut one side and directly connected it to the driver instead of the 4-pin plugs setup, works fine now.

assembled everything and tested and so far satisfied, still I got a long way to get it right:
things need to be done:
-Spindle speed control via mach3 : had issue before of speed being off, probably needed adjustment of the voltage or something.
-limit switches : using software limit only at the moment
-checking alignment/parallel via DTI : to be honest I have no training on using this properly and feel like my machine doesn't have room to adjust correctly, however I can live with a little bit of error for now, as long as the thing works!
-making triangular support legs with leveling: something I missed was to make the frame have adjustable height on each corner, now am thinking of just mounting extra 4 pieces on each corner of the frame and have those lift the whole thing up and balance accordingly
-Drag chain attached to frame : again my stupid and impulsive attitude prevented me from designing a side where drag chain can sit so I have to think about manually drilling and just attaching a flat panel so it can sit on it, no big deal I guess for now.
-Double check tension of belts : again no formal training so no idea how to do it properly but by feel I think I got it decent tension
-Connect water cooling to spindle
-Cable management of Z axis
-Actually cut something : will probably try wood(MDF) first, then maybe try my luck with other material and ultimately aluminium, anyone wanna recommend speeds and feeds for me?

-and many more I'm sure, hope I get some positive feedback from you guys in order to make it better!

A quick photo of the machine:



Video of axis movement , before mounting spindle( at time of this post it is still uploading but give me 20mins or so plz hehe)



am sure u guys might have some comments, particularly on sound of long axis movement, had lots of issues with it being flexing/bending if I tighten the gantry too much or so, the ballscrew ends might need shimming but not sure how to approach it yet.

[toomast]

Your gantry motor belt is looking extremely loose on video.
Just google or youtube - timing belt tension - and you will be expert belt tension operator.

[Noplace]

thank you already fixed it but I will have to learn the right procedure as you mentioned.

[CharlieRam]

Do you have 1610 ballscrews on X and Y and 1605 on Z as per a normal setup? Because that will affect your speed on Z.

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[Noplace]

Do you have 1610 ballscrews on X and Y and 1605 on Z as per a normal setup? Because that will affect your speed on Z.

Sent from my XT1072 using Tapatalk

Yes I do indeed, just to clear confusion in case there is any, the steps per and speed of the motor in mach3 is all setup correctly and I was able to reach the speeds by increasing my motion controller frequency which gives me the option to. so there is no software/hardware limit that prevents me from entering a larger speed and acceleration if I wish, the problem occurs by having the motor stall after a little jogging.

but if you mean that there is an inherited limit in using a 5mm pitch screw that I can't go past for example 7m/min can you please let me know if such is the case?

[CharlieRam]

Yes. You would have to spin the ballscrew twice as fast as a 1610 to achieve the same linear speed

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