SIST ISO 10825:1998

Gears -- Wear and damage to gear teeth -- Terminology

Defines terms used to describe the appearance of the visible surfaces of tooth flanks or the damage that can be observed on gears. Causes and preventive measures are not discussed.

Engrenages -- Usure et défauts des dentures -- Terminologie

Zobniki - Obraba in okvare zobnih zob - Terminologija

General Information

• Status: Withdrawn
• Publication Date: 31-May-1998
• Withdrawal Date: 12-Jun-2024
• ICS: 01.040.21 - Mechanical systems and components for general use (Vocabularies)
• ICS: 21.200 - Gears
• Technical Committee: ISEL - Mechanical elements
• Current Stage: 9900 - Withdrawal (Adopted Project)
• Start Date: 12-Jun-2024
• Due Date: 05-Jul-2024
• Completion Date: 13-Jun-2024
• Ref Project: ISO 10825:1995 - Gears — Wear and damage to gear teeth — Terminology

Standards Content (Sample)

SLOVENSKI STANDARD
SIST ISO 10825:1998
01-junij-1998
Zobniki - Obraba in okvare zobnih zob - Terminologija
Gears -- Wear and damage to gear teeth -- Terminology
Engrenages -- Usure et défauts des dentures -- Terminologie
Ta slovenski standard je istoveten z: ISO 10825:1995
ICS:
01.040.21 Mehanski sistemi in deli za Mechanical systems and
splošno rabo (Slovarji) components for general use
(Vocabularies)
21.200 Gonila Gears
SIST ISO 10825:1998 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST ISO 10825:1998

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SIST ISO 10825:1998
ISO
INTERNATIONAL
STANDARD
10825
First edition
NORME
Premikre Edition
1995-08-0 1
INTERNATIONALE
Gears - Wear and darnage to gear teeth -
Terminology
Engrenages - Usure et dbfauts des dentures -
Terminologie
Reference number
Num6ro de rkfkrence
ISO 10825:1995(E/F)

---------------------- Page: 3 ----------------------

SIST ISO 10825:1998
ISO 10825:1995(E/F)
Contents Page
Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1 Indications of surface disturbances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.1 Sliding wear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.1.1 Normal wear (Running-in wear
‘1
1.1.1.1 Moderate wear . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.1.1.2 Polishing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.1.2 Abrasive wear . 6
1.1.3 Excessive wear . 8
1.1.4 Moderate scratching (Scoring) . 9
1.1.5 Severe scratching . 10
1.1.6 Interference wear . 11
1.2 Corrosion . 12
1.2.1 Chemical corrosion . 12
1.2.2 Fretting corrosion . 13
1.2.3 Scaling . 14
1.3 Overheating . 15
1.4 Erosion . 16
1.4.1 Cavitation erosion . 16
1.4.2 Hydraulic erosion . 17
1.5 Electric erosion . 18
2 Scuffing . 20
3 Permanent deformations . 24
3.1 Indentation . 24
3.2 Plastic deformation . 25
0 ISO 1995
All rights reserved. Unless otherwise specified, no patt of this publication may be
reproduced or utilized in any form or by any means, electronie or mechanical, including
photocopying and microfilm, without Permission in writing from the publisher. / Droits de
reproduction reserves. Sauf prescription differente, aucune Partie de cette publication ne
peut etre reproduite ni utilisee sous quelque forme que ce soit et par aucun procede,
electronique ou mecanique, y compris Ia photocopie et les microfilms, sans l ’accord ecrit de
I ’editeur.
‘International Organization for Standardization
Case postale 56 l CH-121 1 Geneve 20 l Switzerland
Printed in Switzerland / Imprime en Suisse

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SIST ISO 10825:1998
ISO 10825:1995(E/F)
@ ISO
3.2.1 Plastic deformation by rolling . 26
3.2.2 Plastic deformation by tooth hammer . 27
............................................................................................
3.3 Rippling 28
.............................................................................................
3.4 Ridging 29
3.5 Bu rrs . . . . . . . . . . .
...

ISO
INTERNATIONAL
STANDARD
10825
First edition
NORME
Premikre Edition
1995-08-0 1
INTERNATIONALE
Gears - Wear and darnage to gear teeth -
Terminology
Engrenages - Usure et dbfauts des dentures -
Terminologie
Reference number
Num6ro de rkfkrence
ISO 10825:1995(E/F)

---------------------- Page: 1 ----------------------
ISO 10825:1995(E/F)
Contents Page
Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1 Indications of surface disturbances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.1 Sliding wear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.1.1 Normal wear (Running-in wear
‘1
1.1.1.1 Moderate wear . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.1.1.2 Polishing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.1.2 Abrasive wear . 6
1.1.3 Excessive wear . 8
1.1.4 Moderate scratching (Scoring) . 9
1.1.5 Severe scratching . 10
1.1.6 Interference wear . 11
1.2 Corrosion . 12
1.2.1 Chemical corrosion . 12
1.2.2 Fretting corrosion . 13
1.2.3 Scaling . 14
1.3 Overheating . 15
1.4 Erosion . 16
1.4.1 Cavitation erosion . 16
1.4.2 Hydraulic erosion . 17
1.5 Electric erosion . 18
2 Scuffing . 20
3 Permanent deformations . 24
3.1 Indentation . 24
3.2 Plastic deformation . 25
0 ISO 1995
All rights reserved. Unless otherwise specified, no patt of this publication may be
reproduced or utilized in any form or by any means, electronie or mechanical, including
photocopying and microfilm, without Permission in writing from the publisher. / Droits de
reproduction reserves. Sauf prescription differente, aucune Partie de cette publication ne
peut etre reproduite ni utilisee sous quelque forme que ce soit et par aucun procede,
electronique ou mecanique, y compris Ia photocopie et les microfilms, sans l ’accord ecrit de
I ’editeur.
‘International Organization for Standardization
Case postale 56 l CH-121 1 Geneve 20 l Switzerland
Printed in Switzerland / Imprime en Suisse

---------------------- Page: 2 ----------------------
ISO 10825:1995(E/F)
@ ISO
3.2.1 Plastic deformation by rolling . 26
3.2.2 Plastic deformation by tooth hammer . 27
............................................................................................
3.3 Rippling 28
.............................................................................................
3.4 Ridging 29
3.5 Bu rrs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
4 .
Surface fatigue phenomena 31
4.1 Pitting .
32
4.1.1 .
Initial pitting 33
4.1.2 Progressive pitting .
34
4.1.3 Micropitting .
35
4.2 Flake pitting .
...