廉价电动力拉杆，小型磨床用

Cheap Electric Power Drawbar for Mini Mill

2023-07-22 11:10:47

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Summary

Vid https://www.youtube.com/watch?v=TPeGRe3cu5w

Cheap DIY electric drawbar I made for my LittleMachineShop HiTorque 6550.
Should work on any similar mini mill based on the Sieg SX2.7

It uses an 8mm Socket Head Cap Screw to secure the drawbar, yours might differ.

Just need to drill 4 through holes into the top cover to mount it.
I epoxied the drill body into the base and epoxied the spindle into the bearing.

Doesn't really matter what length rods you use, depending how long your hex bit is.
The picture is of the 8mm 150mm rod version.

I made both 8mm and 10mm rod versions as I had some 3D printer parts sitting around.

As an alternative you can buy this drill locator and just print out the 10mm base and the pressmod-bearing_shim.stl and pressmod-drill_sleeve.stl
Drill Locator: https://amzn.to/3rvqdgx

I believe this cheaper version would be the same, but I don't have one so I can't verify the dimensions:
Cheaper Drill Locator: https://amzn.to/44OUQMh

Material List (affiliate links):
Electric Screwdriver: https://amzn.to/46LNjPT
Bearings: https://amzn.to/3rxY2x8
Hex Bits: https://amzn.to/43x6nyp
Springs (cut to length): https://amzn.to/43Ak0NE

8MMx150MM Linear Rod w M4 Threaded Ends: https://amzn.to/43sR0Y2
8mm Linear Bearings (15mm OD, 24mm Length): https://amzn.to/46Shyoz
8mm Shaft Lock Collar: https://amzn.to/3OgwsxE

10MMx200MM Linear Rod w M5 Threaded Ends: https://amzn.to/3XPEJvB
10mm Linear Bearings (19mm OD, 29mm Length): https://amzn.to/3Dee55Z
10mm Shaft Lock Collar: https://amzn.to/46MbSfJ