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Worm Gear, KM32 (Braun), Part No 4207478 3d printed First version

DIGITAL PREVIEW
Not a Photo

First version
Worm Gear, KM32 (Braun), Part No 4207478 3d printed First version
Worm Gear, KM32 (Braun), Part No 4207478 3d printed First version

DIGITAL PREVIEW
Not a Photo

Worm Gear, KM32 (Braun), Part No 4207478 3d printed Broked original part
Worm Gear, KM32 (Braun), Part No 4207478 3d printed Broked original part

DIGITAL PREVIEW
Not a Photo

Worm Gear, KM32 (Braun), Part No 4207478 3d printed Rendering
Worm Gear, KM32 (Braun), Part No 4207478 3d printed Rendering

DIGITAL PREVIEW
Not a Photo

Worm Gear, KM32 (Braun), Part No 4207478

Made by
$6.47
3D printed in white nylon plastic with a matte finish and slight grainy feel.
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Product Description
What's this?
This part is a replacement for the worm gear (part number 4207478) in the Braun KM32 kitchen machine. As far as my search of the internet goes, the original replacement part isn't for sale anymore.

About the design
The original part is made from plastic with a metal core. It probably breaks quite often due to its design, which might be a safety mechanism, to prevent other parts of the gear box from breaking in case of overload.
This replacement is designed somewhat differently (without the steel core) to make it simpler (and cheaper). To increase its robustness, the teeth don't extend along the whole length of the part but only where they are supposed to touch the worm.

Somewhat a prototype
The part must still be considered a prototype.
One copy has been working in my KM32 for a few months now. It has accumulated approximately 3 hours of operating time, partly under heavy duty (kneading dough) and does not yet show any signs of imminent failure. It might continue working for quite some time but only time will tell.

Current status
Twelve copies have been ordered by customers. No complaints but also no feedback yet.

Feedback welcome
I'd be glad to get feedback from you. Did the assembly work fine? Are the diameters of the holes for the pin and the shaft right? ...
Details
What's in the box:
Worm Gear, KM32 (Braun), Part No 4207478
Rendering
Dimensions:
2.7 x 2.7 x 1.75 cm
Switch to inches
1.06 x 1.06 x 0.69 inches
Switch to cm
Success Rate:
First To try.
What's this?
Rating:
Mature audiences only.
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