Thread: Imperial sized lead screws?
I'm looking at building a CNC machine from some American plans. It's for a 25" x 25" machine designed by David Steele.
As it's American all the sizes are imperial which is not a problem for me until i come to buy the lead screws.
Does anybody have experience using these plans and finding metric sized parts as replacements?
The parts I'm currently after are...
Precision Acme threaded rod
3/8” Diameter – Right handed – 10 thread per inch – 2 start - 5 turn per inch
x1 @ 12” long
x3 @ 36” long
Don't waste your time with Acme Lead screws because you can buy ballscrews from China for the same or even less money than you'll buy lead screw in this country.
Unless you buy very high quality Lead screw and Nuts then your wasting your money has the accuracy will be poor. Also cheap Acme screws are far less efficient than ball-screws giving less performance from the same motors. Quality Acme screw/nut will cost more than Chinese ball-scews and still probably not match them in efficiency.
EDIT: 12mm or 16mm dia 5mm pitch will be perfect for your needs. If plan cutting woods or plastics then go for 10mm pitch.
Contact Chai at linear-motion-bearings giving dimensions and asking for quote with end machining you require or to match the BF/BK bearing blocks if you plan on using these and think you'll be pleasantly surprised at the price.
Chai's Email email@example.com
Last edited by JAZZCNC; 14-06-2013 at 09:36 PM.
By isdngirl in forum Marketplace DiscussionReplies: 2Last Post: 28-04-2014, 11:01 PM
By Tanky_Turk in forum Linear & Rotary MotionReplies: 10Last Post: 02-02-2014, 02:07 PM
By deannos in forum Gantry/Router Machines & BuildingReplies: 1Last Post: 23-05-2011, 08:40 AM
By rnr107 in forum Items WantedReplies: 0Last Post: 26-12-2010, 09:01 AM
By benbenrf in forum Projects, Jobs & RequestsReplies: 8Last Post: 26-10-2009, 03:16 PM