If the term "banjo" is new to you, I have always known the pivoting
slotted arm that the change wheels are mounted to as the "banjo". It may
be a simple slotted pivoting bar or more but that is the item I suggest
mounting the stepper to.
Richard
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On 03/02/2020 00:05, Richard wrote:
Basically yes. Replace the gear on the end of your leadscrew (or if you
have one gearbox) with a timing belt pulley. Mount the stepper on the
banjo and drive the screw. On my machine I drive 2:1. 3Nm stepper 3mm
pitch screw.
Richard
On 02/02/2020 20:36, Ralph Hulslander wrote:
Richard, I do not understand?what you are saying, are you referring?to
the gear box banjo?
Just replacing a drive gear with a stepper motor?
Ralph
On Sun, Feb 2, 2020 at 3:30 PM Richard <edelec@...
<mailto:edelec@...>> wrote:
??? I still question why the banjo is not an option
??? Richard
??? On 02/02/2020 17:05, John Dammeyer wrote:
??? >
??? > Hi Charlie,
??? >
??? > Nice job on yours.
??? >
??? > Ralph's initial problem is finding a vertical surface on which to
??? > mount the motor that allow the motor shaft to be perfectly in line
??? > with the lead screw.Hence the suggestion for belt drive which
??? could be
??? > 1:1 and then alignment isn't as hard.
??? >
??? > John
??? >
??? > *From:*[email protected]
??? <mailto:[email protected]>
??? [mailto:[email protected]
<mailto:[email protected]>]
??? > *On Behalf Of *CLevinski
??? > *Sent:* February-02-20 6:58 AM
??? > *To:* [email protected] <mailto:[email protected]>
??? > *Subject:* Re: [digitalhobbyist] Suggestions for mounting
??? stepper Z #MODS
??? >
??? > Ralph,
??? >
??? > Of course, it all depends upon how much torque you need, but I
??? > direct-mounted mine on my 7 x 14 mini-lathe.
??? >
??? >
??? >
??? >
??? > --
??? > Regards,
??? >
??? > Charlie
??? > New Jersey, USA
??? >
??? > /*LAW OF ANNOYANCE: When working on a project, if you put away a
??? tool
??? > that you¡¯re certain you¡¯re finished with, you will need it
??? instantly.*/
??? >
??? >
--
Clausing 8520, Craftsman 12x36 Lathe, 4x12 mini lathe, 14" Delta drill
press, 40 watt laser, Consew brushless DC motors and a non working 3D
printer
