Thank you for taking the trouble to reply.
I am looking at a machine that comes with a Masso included. I am familiar with the machine but not Masso.
So now I feel they are not a gamble from the...
Type: Posts; User: cncuser1
Thank you for taking the trouble to reply.
I am looking at a machine that comes with a Masso included. I am familiar with the machine but not Masso.
So now I feel they are not a gamble from the...
What do people think of the Masso controllers.?
Are they reliable for basic 2.5D and 3D milling work ?
Can you give numbers for the accuracy and size of work you intend to do?
Will it be made from flat sheets or blocks of raw material?
I agree that the machines you are asking about will not consistently meet your requirements for every dimension.
But looking at what you intend to make I would not agree that every dimension needs...
How will you do the post processing?
You will have to take great, very extreme care in setting it up. The alignment of ALL the axis of the trunnion to the rest of the machine will have to be...
The weakest part of these mills is the connection of the column to the base. If you are not fixing that you are not fixing the problem.
The next worse part is the machining tolerances of the...
If it on eBay then it is probably on Aliexpress. You might find other sellers there willing to give more information.
The thickness of the side wall where the connector is located tells me the...
Join some groups dedicated to specific machines to see if they can do what you want.
This is not abnormal, especially in lower end machines.
Suggestions to look at:
- the balls crews should have proper angular contact bearings on one end. Make sure they are properly preloaded....
In the class of hobbyist/enthusiast , the short answer is, without seeing drawings, the Sherlines are surprisingly able. The next small step up in quality and rigidity is Taig. For their size and...
For manual milling, all elements are matched for size if for hobby use. The elements are machine size, spindle and cutter. So generally a BF45 will not be used with small cutters because even if the...
I'm tying to evaluate the status of Mach4.
Overall is it being actively supported by the developers? Such as bugfixes and releases?
( I looked on their website and couldn't find information...
DLF: could you post some part numbers for the hardware?
All sorts of professional machines use steel gibs, not bronze. Make sure the gibs fit properly. make sure the screws that are against the gib don't tilt or push it in the wrong orientation.
You want the 3 axis mutually perpendicular, do this first.
If the axis of the spindle is not parallel to the axis of the X axis, first make sure the gib of the head is properly fitted and...
atomarc: I'm looking to reball one or two cheap Chinese ballscrews and looking at the prices I saw ( @$0.25 or $0.5 each) for my quantities it didn't make sense.
Do these units have bearings or bushings in the spindle? I'd prefer bearings if I knew my work had a lot of small back and forth movements.
The size of stock or workpiece would make me prefer a...
atomarc: have you chosen balls from bal-tec that are within the price range of hobbyists? I have looked at their prices and they seem to be for high end, professional rebuilds.
If you have, can you...
If you do direct drive then the holding torque on the stepper would limit the type of work you can do. The gearboxes multiply the holding torque so you can do machining away from the axis of rotation...
Chances are that event that damaged the balls also damaged the nut. Did you examine the screw closely, with magnification?
CL: Scraping the ways can remove uneven tightness in the travel.
Agreed: The question is pretty broad.
Are you asking about pinouts, wire gauges, wire styles ( ribbon or shielded)?
Connectors?
It may also be important whay BOB and Controller you have and the...
I think this is some sort of progress.
Mikeedd: can you post a link to the provider of the oversize balls you purchased? And if possible how you did the process?
tjbaudio: Mount the pulley on the stepper and put an indicator where the belt contacts and also on an upper or lower face. Measure the runout at those two locations and re-evaluate if the belt can...
tjbaudio: when turning the ballnut by hand you had a strange friction, take a look at the ball screw it may be bent or maybe the bearings in your mounting may have problems. When you remount the new...
If you do really have that much friction then you probably want to eliminate it, not design around it.
If you do really have that much friction then there will be too much wear related to the...
tjbaudio: That ball screw has the specs I was referring to ( .2" pitch, one lead) . One part of the description says machined ends, another part says not machined, so you'll want to clear that up...
300lb of friction does seem like alot. These mills have many sources of problems, this might be one. First off I'd ask if the ways get hot? That much friction in a peck drill operation must generate...
tbaudio: .5" lead and 2 starts... that is the ssource of the problem with lack of ooomph in Z. Any decent ball screw with .2" lead, 1 start! will give you everything you need in Z ( force and...