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Forum > Sergers, Coverstitch and Blindhemmers > Titanium Juki industrial serger needles...how often to change? ( Moderated by CarolynGM, Deepika)

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Titanium Juki industrial serger needles...how often to change?
RainbowPixie
RainbowPixie
Intermediate
California USA
Member since 7/6/13
Posts: 2
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Date: 4/21/14 10:36 PM

I have a Juki industrial serger with titanium needles. Anyone know how often the needles would need changing? They still seem to sew fine with zero problems after 4 months of heavy use. Is that normal? How often should they be changed with heavy use? I sew thick knits only.

cst designs
cst designs
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Texas USA
Member since 4/8/13
Posts: 28
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Date: 4/22/14 12:21 PM

I have a Juki 5 thread industrial serger. Industrial needles, both sewing machine & serger, last longer than household needles. I believe the more expensive titanium needles are suppose to last the longest. The fiber content affects needle life. Synthetics wear down the point faster then naturals. If you hear a "popping" sound as the needle goes thru the material the point is dull. If you sew on a scrap of light weight delicate material, such as chiffon or georgette, and see pulled threads or snags the needle has a burr. Be care about using straight pins. Industrial blades will cut thru most straight pins and can send the tip the pin flying at your face. There is also the possibility of nicking the blade(s).

HappyGene
HappyGene  Friend of PR
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Missouri USA
Member since 6/30/09
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In reply to RainbowPixie <<


Date: 4/22/14 1:54 PM

Hi Rainbow,

It's not intuitive, but it is normal to go that long, especially with clean material and ball points, unless you're doing fleece.

Edit: I just saw cst's response (I left mine up in preview over lunch) and I agree with that :)

Sometimes the top and side bolts of fabric in a shipping container will have more dust (or even dirt and sand) that won't shake out and this kills a needle fast. It sharpens a true ball point and dulls a sharp. Same with thread.

Sounds like you've got some good material on your hands, so I'd only watch for two things: Once a week, shoot out full speed a foot or two of jersey or tshirt and check for cutting. If not, you're good to go.

Secondly, if the needles start changing from that silvery or light yellow finish to a wavy, water-color like darker color; check for bending. I wouldn't be worried by a little tweak in the needle, but it bent because it got hot (less common for that finish of needle); or, more likely, hit a slub in the fabric and you might want to check the tip.

I don't have any for my domestic machines, but I've been thinking of trying some for that dense backpack material that heats up my regular needles. I just keep forgetting to get a pack when they go on sale!

Please let us know how long you go and maybe an estimation of yardage - that could be a neat tale or competition, like the high mileage car clubs!

Gene

-- Edited on 4/22/14 1:59 PM --

------
If you're not ahead, you're behind!

PattiAnnJ
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PattiAnnJ
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USA
Member since 12/3/06
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Date: 4/22/14 4:31 PM

Dr. Bob claims Titanium coated needles last 8 times longer than the non-coated needles. I have also read 10 times longer.

No one has come up with how to check the mileage on needles; by the hour the stitch count, or just go by the sound of the needle as it punches the fabric.

You can get use to the sound of the stitching when all is well and know when the needle needs to be changed, the drop-in bobbin case needs cleaning or the bobbin gets down to the last few inches of thread.

------
"Improvise, adapt and overcome." - Clint Eastwood/Heartbreak Ridge

the8dunlaps
the8dunlaps
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Member since 11/16/13
Posts: 137
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In reply to RainbowPixie <<


Date: 4/28/14 10:35 PM

Rainbow Pixie, I'm buying a juki industrial serger.. can you tell me which one you got and what you sew? This will be for cloth diapers, soakers, thick layers like 3-4 layers hemp etc... french terry etc... thanks!!!

Pj3g
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Pj3g  Friend of PR
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Wisconsin USA
Member since 2/14/11
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In reply to RainbowPixie <<


Date: 4/30/14 6:17 PM

This doesn't really answer your question as I don't know the difference between chromium and titanium but I have Singer sergers that require the use of only Singer 2022 needles. They are chromium. I use my sergers a lot....I mean a lot....and I haven't changed my needles in many months. Could be well over a year. I don't know for sure because I can't remember. The stitches are still perfect so I see no need to change the needles.

------
Thank you Lord for my Mother who taught me the joy of sewing, for my Father who encouraged my sewing, for the talent You gave me to sew, and for all the special people in my life to sew for.

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