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Notice To 300 Pre-sale Twsbi Diamond 530 Owners
Posted 04 July 2010 - 08:13
The pens are on their way to your hands, I hope you will enjoy them after receive.
The pens were made while I was away in Japan trip then sent out to you immediately after they were completed. After my return I grab a latest pen from the production line, check the whole pen by myself, unfortunately I found this pen has minor leaking on the piston sealing between line1 and line2 (pls refer attached photo, this photo shows the worst result it developed after I fool around it a lot). This is not acceptable by me, definitely will not by you.
This leakage on line 1 is not going to cause any writing problem, or ink storage problem, but it looks un-pleasant.
Further checking on existing pen on hand, we found only a small percentage of the pens has this situation, majority of the pens are ok.
The cause of this leakage was due to unqualified piston seal; some of them has smaller diameter then the spec. Actually the diameter of this very soft seal is almost not possible to be measured due to its softness. Batches of sample we made before did not show clearly the line 1 seal leakage issue, so no pre-inspection before assembly on this parts has been defined on the SOP. Since this find out, we add the in process checking on semi assembled barrel with clear water testing to prevent it from further happening. In the meantime some modification on the seal ring size will be applied; parts with new diameter is being made for testing. p.s. the qualified seal in original design is functioning well without problem.
I feel sorry and apologize for this line 1 leakage will happen on some of the pen you will receive. It is my fault. if you find it happen on your pen please send me an email ( email@example.com ) , I will send you new parts for replacement. In the meantime you can still write with it without problem.
Any comments on this pen please do not hesitate to let me know, so we can make further improvement to your wishes.
If any product related issue, pls send email to firstname.lastname@example.org
Posted 04 July 2010 - 09:09
Looking forward to getting my pen, and if I have to do some mechanical work on it, so much the better :-)
Thanks for letting us know,
Posted 04 July 2010 - 11:44
Quality Control is most important. You now have another point of control. The new delivered pieces and in the testing.
Quality control, was part of a job I once had. It is important that the customers get the best quality items.
There are so many places along the line, where something can go wrong.
The people doing quality control must be well trained, and not be muzzled.
German vintage '50-70 semi-flex stubs and those in oblique give the real thing in On Demand line variation. Modern Oblique is a waste of money for a shadow of line variation. Being too lazy to Hunt for affordable vintage oblique pens, lets you 'hunt' for line variation instead of having it.
The cheapest lessons are from those who learned expensive lessons. Ignorance is best for learning expensive lessons.
Posted 04 July 2010 - 12:19
Posted 04 July 2010 - 15:03
In a way, I look at myself as a beta tester anyways, so little quibbles are to be expected with a completely new product.
Posted 04 July 2010 - 15:13
Posted 04 July 2010 - 16:38
Posted 04 July 2010 - 19:35
Posted 05 July 2010 - 04:29
Rest assured any problems I find will not deter me from ordering more of your pens!
Posted 05 July 2010 - 06:27
Thank you guys for your all of your understanding and support, I simply don't want to give you bad surprise, and this is the mininum I have to do.
Well, the minimum you had to do would have been nothing. I applaud your efforts and tip my hat to you, sir.
Follow me on twitter! @crypticjunky
~And the words, they're everything and nothing. I want to search for her in the offhand remarks.~
Posted 10 July 2010 - 08:26
I first noticed the leak because of the ink already behind the second seal, and this is from a single fill (which lasted about two minutes) and subsequent flush. It was once the water in the pen was clear that I noticed the ink behind ("both" seals of) the piston.
As others have mentioned, I specifically wanted in on this run of pens *because* it is the manufacturing prototype (as opposed to the design prototypes assembled by hand) and expect the possibility of the bumps and snags of shaking out the manufacturing to match the design. Even with the replacement parts available I would likely not replace them, in order to keep the charm and authenticity of this being a "first run" pen. But I cannot even disassemble the pen in order to clean the errant ink, as the wrench has ...
Nevermind. In going to search for my original post to reference here, I see you have found it and now know that I broke the pen somehow. Hmmm...
Posted 10 July 2010 - 11:22
Being transparent, upfront and honest. - $0
Finding a solution to the problem right away - $0
The lasting relationship you just made with your clients - Priceless
I just wish more businesses were like you.
Thank you =)
"Do Nothing Which is of No Use." - Musashi Miyamoto (Ancient Swordsman from the 1600's)
withoutink.com | twitter | facebook
Posted 10 July 2010 - 20:56
Posted 13 July 2010 - 09:33
I'm slightly disappointed it DOESN'T suffer of the minor issue you are describing here.
I followed your project since the first day, and had plenty of fun.
Moreover, I really appreciate the passion and the openness you're demostrating us.
Looking forward for further developments (may I book a vacuum filler?), wish you well for massive sales (you already have a market here on FPN, but you'll need far more users).
Edited by enricof, 13 July 2010 - 09:33.
Ciao - Enrico
Daddy, please no more pens - we need food, clothes, books, DENTISTRY...
Posted 13 July 2010 - 17:06
Your honesty is sorely lacking in most businesses today. Thank you. I will be a customer for life!
Posted 13 July 2010 - 18:23
Posted 14 July 2010 - 03:12
Posted 14 July 2010 - 17:41