CRANK HANDLES & WHEELS

B

BROCKWOOD

H-M Supporter - Gold Member
H-M Supporter Gold Member
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May 26, 2017
Messages
957
My Van Norman no24 is missing the X-axis hand crank wheel. Chris also has a Van Norman no24 that is missing a hand crank handle. We have been sharing info back & forth. I've put together our findings in picture format. It would be very beneficial if others with different models could compare their handles & wheels to these & let the group know if they are the same for a no12 or whatever model you have. In the midst of measuring up my handles, I found a no38 being parted out & was able to buy the hand crank wheel - hope it fits! 1st up is the wheel.

W 20180102 03.jpg

W 20180102 01.jpgW 20180102 02.jpg
Next come the handles.
 
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I don't know about other mills when it comes to handle interchangeability between the knee, Y & X handles. On the Van Norman no24 they all interchange. But, is a 7 tooth on a 1.750" diameter engagement a standard for multiple models? For multiple brands? After all, this is really the only part of a handle or wheel that determines if it is usable on your mill.
In the following pics, I try to give as much information as necessary to be sure a used part will fit or to make your own.
H 01 20180210.JPGH 02 20180210.jpgH 03 20180211.jpgH 04 20180209.jpgH 05 20180209.jpg
 
Thank you for mapping this out!!
It's actually been on my to-do list.

Daryl
MN
 
Here is the hand wheel I bought off a Van Norman no38 that is being parted out on ebay (02/2018). All handles are gone - but there are plenty of other parts left. I am pleased to say that my gamble did pay off. I had no idea if this wheel would fit my no24 or not. It does fit beautifully with the same 7 tooth engagement pattern. There is a difference though. It isn't the same 8" diameter that was used on the no24. It is 10" of heavy cast iron. I don't like the handle repair on it - but it will be fun repairing that at a later date. It is so dirty that rust is actually at a minimum!

W 20180209 no38 PUMP & WHEEL.jpgW 20180213 01.jpgW 20180213 03.jpgW 20180213 04.jpgW 20180213 05.jpgW 20180213 06.jpg
 
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I'm stuck with desk duty until I get my back fixed. So, a drafting I did on the handle mount. Is 1.8M too large of a picture? Well, I had to shrink it. Too bad. The original file, when opened in Paint had the advantage of each pixel = 0.001". Oh well.

S 14 HOLE PATTERN 19 small.jpg
 
Old wheel cleaned up pretty good! I ordered a handle for it. The only other thing is it doesn't disengage like all the others on my mill. So, next will be measuring & modifying the inset. What good is a weighted wheel if not free to sit still?

Process? Cleaned with a good stiff cup style wire wheel on a 4" side grinder. Polished with a file, several grades of sand paper & a scotchbrite pad. Paint is Winter Gray (as opposed to the correct Storm Gray). Brush painted because I didn't like the idea of masking it off - it just seemed quicker.

W 20181002 01.jpg
 
Somebody widened the handle hole crooked DOH. How would you fix it?W 20181004 01.jpg
 
Thanks Cal. Short end mill & make a sleeve? The hole is about 1/2" now. How much bigger do you recommend going?
 
My end mills only go to 1/2 so far. But, I do have a boring head with 3/8 attachment points. Now That is something that should not bend to conform to a misguided crooked hole! But wait: There is more to do on other projects first.
 
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