Kwm system question.

POWERSTROKE

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Jan 11, 2011
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I have a kit of bushings that go down to I.d. of 1mm. If I need to go to .9, .8 and .7 do I need to go to smaller
Reamer and o.d?
 

Willie X

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Feb 9, 2008
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Yes a #2 cutter is very useful on modern cuckoos. The main wheel pivots will still require a #3. All bushings will need to be 1.4mm in height. Willie
 
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POWERSTROKE

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Jan 11, 2011
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Yes a #2 cutter is very useful on modern cuckoos. The main wheel pivots will still require a #3. All bushings will need to be 1.4mm in height. Willie
Thanks. I had bought a number three and was suggested to get the 1.4 height and 2.7 od cutter originally. So you’re saying that all my reamed holes should be #2 other than the main wheels? Good to know because most of the advice I was given was to use #3 and the buy the #1 kwm bushing kit. I have the bushing kit that does 1.4 height 2.7 o.d that goes from 1mm Id up to about 1.9 or something like that. What should I have bought that you think is most likely used on these?
Most of the #2 wheels if I remember correctly, were taking the 2.7 reamer with the 1mm inside diameter. Are you saying I should be cutting 1.8 od hole and using a .9 and broaching? The 1mm seems to fit fairly perfect for most of the 2 and 3 wheels iirc. What other size bushings are mostly used in your experience? I would think 1.8odx1.4hx .9, .8 id. I’d like to see what most of you use most of the time......
 
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wow

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Power, I seldom do cuckoos, but, like Willie said, you need 1.4 height bushings due to the thin plates. The smaller pivots require smaller OD bushings, thus, a smaller cutter. Most of the IDs of the assortments normally sold with that height are small enough to fit pivots on cuckoos. Some pivots, however, require larger ID bushings which are made in the 2.7 OD
 

POWERSTROKE

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Power, I seldom do cuckoos, but, like Willie said, you need 1.4 height bushings due to the thin plates. The smaller pivots require smaller OD bushings, thus, a smaller cutter. Most of the IDs of the assortments normally sold with that height are small enough to fit pivots on cuckoos. Some pivots, however, require larger ID bushings which are made in the 2.7 OD
The set I had bought and was suggested to me was the 1.4 height and 2.7od and the 2.7mm reamer. I know people get annoyed with my questions, but I had asked about bushings reamers and sizes a bunch of times and was told to get 2.7 and #3 reamer. So it looks like I need a #2, but what set of bushings is good for that?
 

wow

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The set I had bought and was suggested to me was the 1.4 height and 2.7od and the 2.7mm reamer. I know people get annoyed with my questions, but I had asked about bushings reamers and sizes a bunch of times and was told to get 2.7 and #3 reamer. So it looks like I need a #2, but what set of bushings is good for that?
Look at the assortments offered at Timesavers and choose the one that has the small IDs that match the cuckoo movement’s pivots you bush most often. Those with IDs that are smaller than 1mm are used often with cuckoos.these will require the smaller cutter.
 

POWERSTROKE

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I have the catalog. I can’t find an assortment with Ids smaller than 1mm. There is one set in the caralog (timesaver) German made kwm and when I put the number in it doesn’t have the correct size I’d that is shoes I. The catalog...
 

Joe Somebody

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If you download the size chart from mile high clocks, you can figure out the assortment that will work best for you. Look at llla
 

POWERSTROKE

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If you download the size chart from mile high clocks, you can figure out the assortment that will work best for you. Look at llla
It looks like I would need l-11 l-12 and l-13. But I cannot find those numbers in any assortments. I have 11604 assortment.
It looks like this would be the only assortment that would include the a ocd
Timesavers
Do they make an American made assortment? Is rather not pay $50
 

wow

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I have the catalog. I can’t find an assortment with Ids smaller than 1mm. There is one set in the caralog (timesaver) German made kwm and when I put the number in it doesn’t have the correct size I’d that is shoes I. The catalog...
Power, I’m wrong about that. The assortment I have with small IDs is not available at Timesavers. Try Joe’s suggestion.
 

Willie X

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I will get you the correct numbers for a #2 cutter. You will only need a couple of sizes.

The assortment you have is perfect for American clocks, which are about twice as big as a modern cuckoo movement. The same assortment in the 1.9mm size is also a very good pick but mainly for regular size German clocks.

KWM's #12 and #65, along with #2 cutter, will do all points in a #25 type Regula, except for S1B and T2F&B. You will need your #3 size bushings for those three points when necessary.

And, you could add the in-betweener #13 if you like. This will ocasionally save you a bit of broaching time.

Willie X
 
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POWERSTROKE

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So what size for the s1 and t2? Would that be in the set I currently have? How about baduf and Herr movements? I’m putting together a list to order tomorrow.
 

POWERSTROKE

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Which of these bushings would I need for modern Herr, regula and old Baduf movements.
L-10, L-11, L-12, -L-13, L-14, L-15, L-65. Thanks guys
 

Willie X

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I don't think you need all those smaller bushings. #s 12, 13 & 65 should do it, as already stated, unless your HH has smaller pivots.

Did you get a caliper yet? A Starlet
3202-6 is available for $98.53 at Amazon. Any ole $20 starter calaper would be way better than guessing.

Willie X
 

POWERSTROKE

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I don't think you need all those smaller bushings. #s 12, 13 & 65 should do it, as already stated, unless your HH has smaller pivots.

Did you get a caliper yet? A Starlet
3202-6 is available for $98.53 at Amazon. Any ole $20 starter calaper would be way better than guessing.

Willie X
Thanks a lot! I’ll get one! My caliper was lost recently. I need to get a new one. The Baduf movments i think may have smaller holes.
 

POWERSTROKE

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Anyone want to send me a handful of #12 kwm? Put my order I. Over the weekend and they just called saying that size is back orders for over a month. Any other size I could use? I reordered 13,12,14,15,65
 

tracerjack

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Did you get the KWM bushing chart from Mile High as previously suggested? Has all the specs for what size reamer to use and what bushing size for pivot diameter.
 

POWERSTROKE

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I did. Then I ordered from timesavers. Ordered a Ii reamer as well. They called and said the #12 will be out of stock for a month. So I already put an order in. So if I need a #12, I’m out of luck for now I less someone can spare a couple through the mail to me, or I can substitute one I either have or will be getting that I’ve listed above.,,,,
 

Willie X

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If you did get the #11, #13, & #65, that will be fine, skipping the #12 will (ocasionally) require a little more broaching time is all. Willie X
 

POWERSTROKE

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Jan 11, 2011
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If you did get the #11, #13, & #65, that will be fine, skipping the #12 will (ocasionally) require a little more broaching time is all. Willie X
Thanks. They’ll be shipping the #12 when it gets into their house...
 
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Rockford's early high grade movements by Greg Frauenhoff