cncKITS.com announcing pre-machined acme leadscrew assemblies...

Hi Guys:

I'm happy to announce the general availability around
mid-January of pre-machined leadscrew assemblies to be
used in mid-to-large size router table projects:

- one size fits all: 1" dia * 5 TPI ( 0.200 inch/rev)
precision roll formed acme leadscrew

- available in 1 foot increments up to 12 feet long
(by special order & cost, up to 20 feet long)

- already machined at both ends, ready to install

- complete with:
- two back-to-back taper roller bearings at one
end to take tensile and compressive loads (they
are meant to sandwich (and transfer the loads to)
an end plate in your machine
- bearing preload Nyloc nut
- encoder nib (optionally mount encoder on
leadscrew instead of motor)
- shaft coupler/spider/motor coupler sized to
fit your motor shaft diameter
- optional pulley stub mount (3/8"-5/8" shaft dia)
for driving two screws in tandem

Both stepper and AC/DC servo motors are compatable with
it of course. However, putting a mount for a rotary
encoder directly on the shaft allows the use of
(the usually more inexpensive and available) single
shafted motors, as well as directly sensing the screw
position (eliminating motor/coupler/screw backlash).

I (and others) have perceived the need for low cost,
medium precision, heavy duty ready-to-use components
for use in DIY cnc routers (and hexapods). I wish
these were available when I first started out years
ago, and I hope some of you find them useful as well.

More details, pictures and prices on my website of course.

Doug Fortune
http://www.cncKITS.com