Today we’re replacing the speed handle on the PM935 milling machine with a steering wheel. This makes the quill feed much easier to use and it’s never in the wrong position. We’ll 3D print a prototype hub adapter, test it, and then make a new one on the lathe. We’ll also slot a keyway on the mill. Fun times!
This is the steering wheel I purchased:
3-Spoke Aluminum Steering Wheel (eBay*): https://ebay.us/iHLTT6
Tools used in this video:
Quill Speed Handle for PM935 (Amazon*): https://amzn.to/3jF0XOz
Quill Speed Handle for PM935 (eBay*): https://ebay.us/JJa6cl
Bondhus Metric Hex Key Set (Amazon*): https://amzn.to/3eqZzwb
Bondhus SAE Hex Key Set (Amazon*): https://amzn.to/3h9bJLZ
Aventor 8″ DPS IP54 Caliper (Amazon*): https://amzn.to/3KNwWaV
Screw Chek’r Metric 2mm-7mm (Amazon*): https://amzn.to/3YF88qQ
Screw Chek’r Metric 8mm-14mm (Amazon*): https://amzn.to/3ZBTXED
Screw Chek’r SAE/Inch (Amazon*): https://amzn.to/3Jt5b7B
R QIDI Technology Amazon Store*: https://amzn.to/3rQqhVn
QIDI Tech PA12-CF Carbon Fiber Nylon (Amazon*): https://amzn.to/3LylGyL
YG-1 1/4″ 120 degree spotting drill (Amazon*): https://amzn.to/3sVSLgv
Chicago Latrobe HSS Short Letter Drill Set (Amazon*): https://amzn.to/2PWx0dL
Chicago Latrobe HSS Short Number Drill Set (Amazon*): https://amzn.to/2Qgss0S
Chicago Latrobe HSS Short Fractional Drill Set (Amazon*): https://amzn.to/3mkmziD
Shars 3-Point Internal Micrometers (Amazon*): https://amzn.to/3RqkNuc
Edge Technology Clamp Indicator Holder (Amazon*): https://amzn.to/3MImlhf
Shars .0005″ dial test indicator (Amazon*): https://amzn.to/3lo3Stq
Wera Kraftform Screwdriver Set (Amazon*): https://amzn.to/2UzK6CL
*These are affiliate links. When you click one of these links and make a purchase, it helps to support projects like this one.
Raw Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0 License
http://creativecommons.org/licenses/by/3.0/
00:00 Intro
00:38 The problem with speed handles
03:41 Designing the hub in Fusion 360
06:37 3D Printed prototype
07:29 Testing the prototype
09:00 Making an aluminum hub
17:43 Drilling and tapping
21:32 Shaping the keyway on the mill
25:09 Final installation and testing
27:21 Conclusions
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