Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ

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Honing Surface Finish Standards

Q. I wanted to Know about the Finishing Standards used in the Honing process of the Cylinder Bore in the Engines some of them mentioned as Rz, Rv , Rvk, Tp2, Tpmax etc., briefly.

Santosh Kumar .M
motor company - Mysore, Karnataka, India
2003

A. Rather than answer all your question direct, I suggest you go to the following web site address: http://www.predev.com/smg/parameters.htm.

AF Kenton
retired business owner - Hatboro, Pennsylvania
2003

Q. Dear Sir,
Please give the details of the below honing specification.
HONED ACCORDING TO :
GEHONT NACH : 852 008 800 4 (JED - 880).

UMESH M UKUNDE
Machining - Kolhapur, MAHARASTRA , INDIA.
March 30, 2014

A. Hi Umesh. I believe "Gehont" means "honed" in German, and that "nach" means "per" or "to" (I don't know German). But you really can't proceed this way.

If you don't have this "852 008 800 4" standard from "JED-880" (which is completely unfamiliar to me), you must contact the buyer and tell them you need copies of whatever standards and specifications you are being asked to process according to if you can't find them. Best of luck.

Regards,

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
March 2014

A. IS 17 - 7232 FOR HONING.

SHRIPAD JOSHI
- SOLAPUR, MAHARASHTRA.INDIA
March 4, 2017

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