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Masakuni broken...

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newzealandteatree
Bob Pressler
RYUGA
Orion
dick benbow
Brett Summers
ogie
marcus watts
Fore
rock
Poink88
Rob Kempinski
Glaucus
Bruce Winter
stavros
Billy M. Rhodes
Max
21 posters

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Post  Rob Kempinski Tue May 29, 2012 5:48 pm

RYUGA wrote:Maybe you are interested to know why a tool can be broken easily.
On the initial production process, the metal piece should be properly forged by hand before casted into the shape. The forging process is the most crusial stage to ensure the density of the material, which later on confirm the final tool quality.

Another crucial stage is on the cold oil process to harden the blade part. Any pin holes due to improper forging process will severely affect the blade quality which can cause broken. The problem is that there is no technique to ensure if the forging process has been done properly before the cold oil process; so a good quality control method is needed to confirm the final quality.

snip



interesting info on QC process, thanks Robert.
At what Rockwell hardness are Ryuga tools temepered?

BTW I understand - Ryuga means Dragon's Tooth in Chinese! Cool name.

Rob Kempinski
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Post  RYUGA Wed Jun 06, 2012 2:58 pm

Thanks Rob.
Yes, "RYUGA" means "Dragon Teeth"..just fit to symbolize the quality of the tools, at the same time to reflect the oriental culture...

The hardness of our Stainless-steel is 55 +/- 2; and for the Carbon-steel is 58 +/- 2.
We will have another high quality of Stainless-steel with hardness 60 +/- 2

RYUGA
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Post  newzealandteatree Thu Jun 07, 2012 7:09 am

Two days ago I got the complete set of stainless tools available. Looks impressive and quite similar to the Japanese tools I have. Will now try it out.

Cheers,

CJ
newzealandteatree
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Post  RYUGA Thu Jun 07, 2012 7:24 am

CJ, make sure to send the inserted card to win your free bonsai trip to China.
BTW, please let us know in case of any quality problem, we give 2 years full replacement guarantee. Tks.

RYUGA
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Post  luke308 Sat Nov 24, 2012 6:26 am

It has been interesting reading both this thread and Brett summers thread which is referenced in this thread also.

I was recently given a pair of masakuni #16 convave cutters for my birthday and I have to say I am thoroughly impressed with them. MInd you I am still pretty fresh when it comes to experience and Im at the stage of upgrading my tools to good quality tools atm.

I have had a lot of trouble contacting my local supplier, and masakuni are yet to respond but I have found an American supplier but the price of the tools is nearly 30% higher than my australian supplier.

I googled masakuni tools which brought me to this thread and I am glad it did as I was about to upgrade all my cheap tools to masakuni.

The only other brand of Japanese tool I have at the moment is Kikuwa which are priced well, nice tools, but I am sure there is better out there.

The question I have though is who is using what brand tool, and what are your recommendations?

I can see that kaneshin, ryuga, and Nobuichi are recommended which is great. But what are the pros and cons of each brand, and are there others I should consider? Ryuga have listed their positives, but are there any negatives? I should mention I am only interested in black steel tools.

Thanks for any suggestions/feedback

luke308
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Post  BigDave Sat Nov 24, 2012 7:02 pm

luke308 wrote:
But what are the pros and cons of each brand, and are there others I should consider?

Luke,

Sounds like a really good topic for a new thread. Why dont you start one.

Most folks I know buy tools in installments, not sets, and have many different brands in their toolbox. The user is what makes the difference, dont you think

We sell the Fujiyama and have found the price to quality is very good. But their is nothing like the pride of ownership of Masakuni, you just feel like you can do better bonsai !

happy shopping.
D
BigDave
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Post  Robert Steven Sun Nov 25, 2012 3:08 pm

luke308 wrote:
I have had a lot of trouble contacting my local supplier, and masakuni are yet to respond but I have found an American supplier but the price of the tools is nearly 30% higher than my australian supplier.

The question I have though is who is using what brand tool, and what are your recommendations?

I can see that kaneshin, ryuga, and Nobuichi are recommended which is great. Ryuga have listed their positives, but are there any negatives? I should mention I am only interested in black steel tools.

Thanks for any suggestions/feedback

RYUGA has their agent in Australia : http://www.bonsainet.com.au
RYUGA gives a two-years free replacement guarantee...
Robert Steven
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Post  BigDave Sun Nov 25, 2012 5:55 pm

Yes indeed Robert Steven, They may be my best friends very soon, once I win the trip to China Contest

Shocked

-big D

contest
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Post  Robert Steven Mon Nov 26, 2012 2:10 am

BigDave wrote:Yes indeed Robert Steven, They may be my best friends very soon, once I win the trip to China Contest

Shocked

-big D

contest

You still have the chance, there is a card inside the packing, just fill and send..who knows we will meet in China... Bagpiper
Robert Steven
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Post  luke308 Thu Dec 06, 2012 6:36 am

Thank you Robert, I have placed an order with bonsainet and am eagerly awaiting my tools to arrive. Very Happy

luke308
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Post  lordy Fri Dec 07, 2012 5:33 pm

Just to chime in, I had an older set of concave cutters do the same thing this spring. Not Masakuni brand, I dont recall if they were Roth or not. Now I'm using Kaneshin as well, and those have developed a bit of a gap at the point which is very frustrating. May have to move to the new brand... Mad I've been at this for going on 20 years, so I've cut a few branches in my past.
lordy
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Post  Robert Steven Sat Dec 08, 2012 6:22 am

lordy wrote:Just to chime in, I had an older set of concave cutters do the same thing this spring. Not Masakuni brand, I dont recall if they were Roth or not. Now I'm using Kaneshin as well, and those have developed a bit of a gap at the point which is very frustrating. May have to move to the new brand... Mad I've been at this for going on 20 years, so I've cut a few branches in my past.

Broken and causing open gaps are common problem on bonsai tools. This might be an interesting info for you :

Masakuni broken...  - Page 2 Tunjuk10

http://ryugabonsaitools.blogspot.com/p/quality-control-of-ryuga.html

Ryuga is the only one providing a two-year free replacement guarantee, I think...
Robert Steven
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Post  Brett Summers Tue Nov 19, 2013 10:28 am

Interesting to catch up on the story and see Ryuga's explanation and quality control. Would love to hear if Masakuni ever got back to Max. I never heard from them.
I managed to re-sharpen my Masakuni, I had to take some of the stop away like they were 20 years old worn out pair but I got them so sharp I could cut leaves in half over the full length of the blade. Managed this with my Kiku as well though Smile  I have had no further trouble with them but I do treat with much care.

Interestingly I have heard great things about Ryuga tools as a great quality and not that expensive either. I purchased a concave/branch cutter and scissors from them but haven't been able to pick them up yet.

Brett Summers
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