JIS Spline Standards

Question

JIS Spline Standards

EGKSi (Mechanical)

(OP)

1 Feb 23 16:39

Hello All,

I'm currently working with a Japanese spline design and need assistance with finding a pdf of JIS spline standards.

Does anyone have a copy or know where I can obtain a copy?

I've also added the as found measurements for the internal spline I physical have with me. I do not have the mating external splined gear.

Internal Splines/Gear Data:
Numbers of Splines = 47T
Nominal Dia. = Ø98mm
Mod = 2 (Best Guessed)
Dia. Pitch = Ø94mm
Minor Dia. = ~Ø3.5437" (~Ø90mm)
Pin dia. = Ø0.131" (Ø3.3274mm)
Over Pins dia. = Ø97.028mm

Let me know if I need to obtain any other measurements.

Thanks

mfgenggear (Aerospace) · Answer 1 · 2023-02-01 20:08:22

see this , buy the standard https://www.eng-tips.com/viewthread.cfm?qid=280069

EGKSi (Mechanical) · Answer 2 · 2023-02-01 21:38:01

I've skimmed through that thread but didn't see any spline standards. Also, I've looked through google and couldn't find any pdf's to assist. Hoping someone has a pdf I can use quickly.

thank you,

3DDave (Aerospace) · Answer 3 · 2023-02-02 04:17:09

https://global.ihs.com/doc_detail.cfm?document_nam...

Or check with a local library or college library. This site doesn't aid or provide stolen materials.

EGKSi (Mechanical) · Answer 4 · 2023-02-02 04:54:52

I understand, I’ll check other resources.

dbooker630 (Materials) · Answer 5 · 2023-02-28 21:53:58

Here are a few JIS documents available through TechStreet.com:

JIS B 0006:1993 Technical drawings -- Representation of splines and serrations (pdf $68 USD)
JIS B 1601:1996 Straight-sided splines for cylindrical shafts with internal centering -- Dimensions, tolerances and verification (pdf $68 USD)
JIS B 1603:1995 Straight cylindrical involute splines -- side fit -- Generalities, dimensions and inspection (pdf $339 USD)
JIS B 4239:1999 Involute spline broaches (pdf $68 USD)

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