Pen Turning BugBear - The "Spinning Clip" - International Association of Penturners
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Old 02-03-2019, 09:01 PM   #1 (permalink)
 
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Default Pen Turning BugBear - The "Spinning Clip"

I just looked up the word "bugbear" and it seems to mean an "irritation" so that's an appropriate description of this subject.

I hate it when I make a pen and the clip does not stay in the position I want, but instead, rotates or "spins", even if it takes a little effort to move it. . I want it to be firmly in place and not move at all.

Some kit designs have the clip sort of integrated with the top end and the clip cannot move in these cases. . But there are many attractive kit designs in which the clip has to be installed as a separate piece when you put everything together. . In some cases, you have quite a tight friction fit between the clip's ring and the top finial "post" that goes through the clip ring. . But in other cases this is a loose fit, and it is primarily those kit/clip designs that result in the problem of the "spinning clip".

So, I am wondering what methods people use to keep clips from moving after the pen has been pressed together.

Of course, I have tried glue ... both epoxy and CA. . With CA you have to be extremely careful how you apply it to avoid getting CA on your components and your nicely finished pen barrels. . With epoxy I usually do get a little onto the pen parts and barrel but it is not hard to remove if you act quickly. . The problem is that epoxy is not always a long term solution and eventually the clip can move in spite of having been glued.

I have not tried Loctite, mainly because it is colored and that puts me off from using it because, in most situations, the color is inappropriate.

Just wondering how others cope with the annoyance of the "spinning clip". . I would appreciate hearing, please.
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Old 02-03-2019, 09:06 PM   #2 (permalink)
 
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Add some blue or red loctite before assembly. Problem goes away. Color is not a problem. You wipe it off when assembled and you only use sparingly.
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Old 02-03-2019, 09:39 PM   #3 (permalink)
 
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I use about 3 specks of epoxy applied with a toothpick as the pen is being assembled.
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Old 02-03-2019, 10:52 PM   #4 (permalink)
 
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Red Loctite on all pens with a clip . Trial assembly first to make sure everything is okay . Wipe out excess inside of tube as well as outside .
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Old 02-03-2019, 11:02 PM   #5 (permalink)
 
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Blue locktite on all press fit joints, except slim transmissions, cigar centerbands and Jr. centerbands.
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Old 02-04-2019, 08:50 AM   #6 (permalink)
 
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Silicon adhesive?
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Old 02-04-2019, 09:00 AM   #7 (permalink)
 
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I put a slight bend in the ring of the clip. When it's pressed together, it acts like a spring washer.
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Old 02-04-2019, 10:14 AM   #8 (permalink)
 
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I started using red Loctite on all clips: inside of upper barrel and between top of the clip and the bottom of the finial. In, fact I need to do that to my own personal carry pen (executive). BTW, I have been able to dissemble even after using Red LT (maybe it is not going to prevent the spinning clip then). I will see. All sold pens, get the red LT. None of come back...maybe my customers just didn't tell me.
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Old 02-04-2019, 10:39 AM   #9 (permalink)
 
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Red Loctite has the strongest hold and usually takes heat to break it free. Blue Loctite doesn't hold quite as well and is meant to come apart with force applied to the bolt for repairs. There is a purple that is meant for small screws that can be removed by force that is the weakest of the three. Another brand, at least here in Canada called Permatex uses the same colours for the same applications. If you go to the Loctite site it has details of what all the different products are for and how to use them. I seem to recall they have a version you can apply to assembled parts and it will wick in and lock. I don't know if it has a colour or how hard it is to clean up or disassemble.
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