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NC Cams,

Thanks for taking the time to elaborate in more detail.

The process of invention is a bi-directional, dynamic and most importantly unique to circumstances. Perfection is an idealistic...

Great explanation!

I suppose I can alsco choose to DB End #1 and use a radial bearing on End#2 in a "supported" configuration (they show bearings used in a fixed, supported and free...

NC Cams - I looked over HIWIN and found some good information. Both ends are fixed.

They recommend a 7602025TVP bearing which is 25mm i.d., 52mm o.d., 15mm height 60 degree contact angle, single...

Thanks for the reply.

I've looked at some premade blocks and didn't find any sized to fit the 73mm of 25mm bare shaft between the threads on End #1. The End #2 block isn't hard to find.

I've...

Thanks for the reply.

I've been pondering the price question and really would love to get the abec 5 or 7 quality ground angle contact bearings (at a luncheonette price ;). I've got a pair of NDH...

Hello again,

You may be interested in a request for information I posted in the Bridgeport Mill forum regarding bearing selection and block designs for the Brigdeport type ballscrews I am using in...

Hello,

I have a couple of Bridgeport design ballscrews that need end bearings, lock nuts, washers and end blocks and I have a few questions about fitting them with the proper components to meet...

I've just looked over the 5bears site not only is it informative it uses great photography, has excellent step by step continuity and the writing is clear and concise. An A+ without hesistation. I'm...

Thanks to each of you for your help. I will do a little more research using the information you have provided.

Billyum, do you know the url for 5 bears website?

I'm building a CNC machine and will be using large diameter ballscrews for vertical and horizontal movements, what types of bearings at each end of the shafts should be used to get the best...

I'm designing a 3-4 axis positioner. It's a personal project and I've been reading and learning (hopefully) a lot about this topic. It will be multi-use (easy change head assembly) and I want it to...

Hello Hardyn,

Thanks for the great reply.

It seems like the most critical and time consuming part of the design is the spinning adapter used to connect the ball screw to the bracket.

I...

Hello Hardyn,

I'm looking at various options for my own build and am intrigued with your design and have some questions.

Is the nut you use a ball nut or a regular nut?

Is the tolerance...

Jerry, thanks once again for the info!

A great site with lots of good ideas that demonstrate a little $, time, and skill combined with thrift, patience, abstract thinking and persistance gets the job done, in a lot of cases very...

I just looked over the thread links provided in your reply, an interesting flow with a wealth of ideas and information.

The Zicors look interesting and I'll keep them in mind when I'm shopping...

Hello again,

Just looked over both yours and Jerry's drawings from this thread and have two questions:

1. I have acces to a 48V 1A PS but wanted to confirm if I can I use a higher amperage...

Thanks to both of you.

Larry

Sorry my fault thought it was a pdf when it was a dxf.

Hello Jerry, I just tried your link and it doesn't seem to be active?

Thanks Gerry for the information. I had started reading through the first link earlier, and the second link looks like the ticket. Great site!

Thanks for the quick reply. I'm building it for my personal use and completely understand the issues regarding liability.

I assume that people are successfully using a number of different...

Hello, I'm new to this site so this is my first post.

I've been researching this topic of late and looking for an easy to implement solution for installing a 4 axis type system on a custom...