KHK Catalog 3010 Corrections

Page Item Correction Detected Date of Error KHK Catalog VOL
P 9 KHK Global Distribution Network The contact address of the distributor in Hong Kong has changed.

YUEN FAT STEEL GEAR CO.,LTD.

[ New Address ]
12 Floor, Man Shing Ind.Bldg., 301-311 Castle Peak Rd.,
Kwai Chung, New Territories, Hong Kong.

10.01.28 .
P21 The icon of Nonparallel & Nonintersecting Axis Gears Error in icon placement

Correct
Correc
Incorrect
Incorrect 		09.12.04 Vol.4
P35

Calculation for Bending Strength and Surface Durability of SSG Ground Spur Gears

Since SSG Ground Spur Gears with a module less than 0.8 has no heat treatment at the tooth area, the allowable bending stress and the allowable Hertz stress are referred to the value shown in the parentheses:

- Allowable Bending Stress　19　->　19（24.5）
- Allowable Hertz Stress　90　->　90（62.5）

09.07.16 Vol.4
P213

Backlash of SSAY/K Products

ｍ0.8, No. of teeth 45 - 60

0 - -0.10 -> 0.12 - 0.24

08.10.31 Vol.2
P216

Bore Tolerance of LS products

Dimensional tolerance of Bore A is
from -0.005 to -0.020

Dimensional tolerance of Bore A is ±0.1

09.02.18 Vol.3
P217

Weight(g) of LS0.8-40

2 -> 20

09.04.27 .
P217

Recalculation of Weight for all LS products

Weight of all LS products was recalculated.

Please see here to find correct data.

09.10.13 .
P219,221,223

Recalculation of Weight for all SUS/SUSA products

Weight of all SUS/SUSA products was recalculated.

Please see here to find correct data.

09.10.13 .
P225,227

Recalculation of Weight for all SUSL products

Weight of all SUSL products was recalculated.

Please see here to find correct data.

09.10.13 .
P229,231

Recalculation of Weight for all DSL products

Weight of all DSL products was recalculated.

Please see here to find correct data.

09.10.13 .
P233,235,237

Recalculation of Weight for all NSU products

Weight of all NSU products was recalculated.

Please see here to find correct data.

09.10.13 .
P239

Recalculation of Weight for all PU products

Weight of all PU products was recalculated.

Please see here to find correct data.

09.10.13 .
P241,243,245

Recalculation of Weight for all PS/PSA products

Weight of all PS/PSA products was recalculated.

Please see here to find correct data.

09.10.13 .
P243,245

PSA Products

The shape diagram is missing.

The diagram below shows the shape of of a PSA product
Shape diagram of PSA

08.12.18 Vol.3
P246,P247

DS0.5-20

DS0.5-20 is not S9-shaped. It is a S8B-shaped product.

Ｓ9 Shape　- > Ｓ8Ｂ Shape

09.05.25 .
P246,P248

Bore Tolerance of DS Products

Bore Tolerance of DS Products

-0.05 〜 -0.12　- >　from -0.05 to -0.30

09.05.26 .
P246 - P249 DS Products
A' value of S8-shaped products
I value of S9-shaped products 		A' value of S8-shaped and I value of S9-shaped DS products were corrected.
See here to find the correction 		10.04.23 .
P247,249

Recalculation of Weight for all DS products

Weight of all DS products was recalculated.

Please see here to find correct data.

09.10.13 .
P253

Backlash of BSS products

 BSS0.8 - 20 0.1 - 0.2 - > 0.06 - 0.16
08.10.31 Vol.2
P256

Recalculation of Weight for all SSR products

Weight of all SSR products was recalculated.

Please see here to find correct data.

09.10.13 .
P261

Application Examples

To increase strength, the SS2-30 Spur Gear is replaced with the KHG2-30R Helical Gear (mating with the left hand of KHG.).KHG2-30L (mating with the left hand of KHG.).
Changed to:
To increase strength, the SS2-30 Spur Gear is replaced with the KHG2-30L Helical Gear (mating with the right hand of KHG.).

08.12.17 Vol.3
P263,265,267,269,271

Recalculation of Weight for all KHG products

Weight of all KHG products was recalculated.

Please see here to find correct data.

09.10.13 .
P273

Recalculation of Weight for all SH products

Weight of all SH products was recalculated.

Please see here to find correct data.

09.10.13 .
P278 Backlash for SI Products The change required when the design change was made for Spur Gear with module 1 (dated on 09/3/20), as the tooth thinning was equally changed to 0.04 to -0.09.

SI1-60, 0.11to 0.24 --> 0.10 to0.22
SI1-80, 0.11 to 0.24 --> 0.10 to0.22
SI1-100, 0.13 to 0.27 --> 0.12 to 0.25 		10.03.31 .
P278

Recalculation of Weight for all SI products

Weight of all SI products was recalculated.

Please see here to find correct data.

09.10.13 .
P279

Recalculation of Weight for all SIR products

Weight of all SIR products was recalculated.

Please see here to find correct data.

09.10.13 .
P282

The table of main features
Item : SURO

"Solution treated" was deleted from the section of Heat Treatment. 09.12.22 .
P288,289

Recalculation of Weight for all KRG/KRGF/KRGD products

Weight of all KRG/KRGF/KRGD products was recalculated.

Please see here to find correct data.

09.10.13 .
P290

Recalculation of Weight for all SRG/SRGF products

Weight of all SRG/SRGF products was recalculated.

Please see here to find correct data.

09.10.13 .
P291

Recalculation of Weight for all KRF products

Weight of all KRF products was recalculated.

Please see here to find correct data.

09.10.13 .
P292

Recalculation of Weight for all SR products

Weight of all SR products was recalculated.

Please see here to find correct data.

09.10.13 .
P293

Recalculation of Weight for all SRF products

Weight of all SRF products was recalculated.

Please see here to find correct data.

09.10.13 .
P295 Recalculation of Weight for all SRFD、SRFK products Weight of all SRFD、SRFK products was recalculated.

Please see here to find correct data. 		10.04.23 .
P295

Recalculation of Weight for all SRFD products

Weight of all SRFD products was recalculated.

Please see here to find correct data.

09.10.13 .
P296,297

Recalculation of Weight for all SUR/SURF/SURFD products

Weight of all SUR/SURF/SURFD products was recalculated.

Please see here to find correct data.

09.10.13 .
P298

Recalculation of Weight for all PR/PRF products

Weight of all PR/PRF products was recalculated.

Please see here to find correct data.

09.10.13 .
P299

Recalculation of Weight for all BSR products

Weight of all BSR products was recalculated.

Please see here to find correct data.

09.10.13 .
P300 DR Products The data in the dimension table below was corrected

Incorrect
DR_NG
　　　　 　　　　　　　　　　　　　　　　　　↓　　　　　　　　　↓
Corrected
DR_OK

10.01.28 .
P300 SRS Products Change in material

SS400 -> SPCC 		09.12.22 .
P301 Recalculation of Weight for all ARL products Weight of all ARL products was recalculated.

Please see here to find correct data. 		10.04.23 .
P301

DR Products

Weight(kg) of DR products　
DR0.8-2000　 0.10 -> 0.036
DR1 - 2000　 0.15 -> 0.060
DR1.5-2000　 0.20 -> 0.085
DR2 - 2000　 0.30 -> 0.12

09.06.02 　.

P302

Recalculation of Weight for all SRO/SROS products

Weight of all SRO/SROS products was recalculated.

Please see here to find correct data.

09.10.13 .
P303 Specifications and Caution on Product Characteristics for SURO products “Heat Treatment Solution” was deleted from Heat Treatment Application for SURO products. 09.12.22 .

P303

Recalculation of Weight for all SURO products

Weight of all SURO products was recalculated.

Please see here to find correct data.

09.10.13 .

P305

Recalculation of Weight for all KRHG/KRHGF products

Weight of all KRHG/KRHGF products was recalculated.

Please see here to find correct data.

09.10.13 .
P306

SRHF3-1000R,L
SRHFD3-1000R,L Products

Total length for A’　1001.94　->　1004.62 09.03.31 .

P315

Recalculation of Weight for all KTSCP products

Weight of all KTSCP products was recalculated.

Please see here to find correct data.

09.10.13 .

P315

Recalculation of Weight for all STRCPF/STRCPFD products

Weight of all STRCPF/STRCPFD products was recalculated.

Please see here to find correct data.

09.10.13 .

P317

Recalculation of Weight for all SSCPGS products

Weight of all SSCPGS products was recalculated.

Please see here to find correct data.

09.10.13 .

P317

Recalculation of Weight for all SSCPG products

Weight of all SSCPG products was recalculated.

Please see here to find correct data.

09.10.13 .

P318,319

Recalculation of Weight for all KRGCP/KRGCPF/KRGCPD products

Weight of all KRGCP/KRGCPF/KRGCPD products was recalculated.

Please see here to find correct data.

09.10.13 .

P318,319

Recalculation of Weight for all SRGCP?SRGCPF products

Weight of all SRGCP/SRGCPF products was recalculated.

Please see here to find correct data.

09.10.13 .

P320

Recalculation of Weight for all KRCPF products

Weight of all KRCPF products was recalculated.

Please see here to find correct data.

09.10.13 .

P321

Recalculation of Weight for all SSCP products

Weight of all SSPC products was recalculated.

Please see here to find correct data.

09.10.13 .

P322,323

Recalculation of Weight for all SRCP/SRCPF/SRCPFD products

Weight of all SRCP/SRCPF/SRCPFD products was recalculated.

Please see here to find correct data.

09.10.13 .

P324,325

Recalculation of Weight for all SURCPF/SURCPFD products

Weight of all SURCPF/SURCPFD products was recalculated.

Please see here to find correct data.

09.10.13 .

P325

Recalculation of Weight for all SUSCP products

Weight of all SUSCP products was recalculated.

Please see here to find correct data.

09.10.13 .

P326

Recalculation of Weight for all SROCP products

Weight of all SROCP products was recalculated.

Please see here to find correct data.

09.10.13 .

P326

Recalculation of Weight for all FRCP products

Weight of all FRCP products was recalculated.

Please see here to find correct data.

09.10.13 .
P329

Interchangeability of Spiral Miter Gears

Mating of MMSA(B) and SMS miter gears
△ (Allowable) -> × (Not allowable) 		09.07.21 .
P333,335 Recalculation of Weight for all MMSG products Weight of all MMSG products was recalculated.

Please see here to find correct data. 		10.04.23 .
P337 Recalculation of Weight for all MMSA,MMSB products Weight of all MMSA,MMSB products was recalculated.

Please see here to find correct data. 		10.04.23 .
P339 Recalculation of Weight for all MMS products Weight of all MMS products was recalculated.

Please see here to find correct data. 		10.04.23 .
P341 Recalculation of Weight for all SMS products Weight of all SMS products was recalculated.

Please see here to find correct data. 		10.04.23 .
P343 Recalculation of Weight for all SMA,SMB,SMC products Weight of all SMA,SMB,SMC products was recalculated.

Please see here to find correct data. 		10.04.23 .
P345 Recalculation of Weight for all MM products Weight of all MM products was recalculated.

Please see here to find correct data. 		10.04.23 .
P345 Recalculation of Weight for all LM products Weight of all LM products was recalculated.

Please see here to find correct data. 		10.04.23 .
P346 Dimension correction for SM5-16 Dimension correction
Please see here to find correct data. 		09.10.21 .
P347 Recalculation of Weight for all SM products Weight of all SM products was recalculated.

Please see here to find correct data. 		10.04.23 .
P349 Recalculation of Weight for all SAM products Weight of all SAM products was recalculated.

Please see here to find correct data. 		10.04.23 .
P351 Recalculation of Weight for all SUM products Weight of all SUM products was recalculated.

Please see here to find correct data. 		10.04.23 .
P351 Recalculation of Weight for all SUMA products Weight of all SUMA products was recalculated.

Please see here to find correct data. 		10.04.23 .
P352 Recalculation of Weight for all DM products Weight of all DM products was recalculated.

Please see here to find correct data. 		10.04.23 .
P353 Recalculation of Weight for all PM products Weight of all PM products was recalculated.

Please see here to find correct data. 		10.04.23 .
P353 Allowable torque (Bending strength) for PM products Allowable torque (Bending strength) is corrected
Please see here to find correct data. 		09.12.08 .
P365 Recalculation of Weight for all MBSG products Weight of all MBSG products was recalculated.

Please see here to find correct data. 		10.04.23 .
P366,367 Dimension correction for SBSG Dimension correction
Please see here to find correct data. 		09.10.21 .
P367 Recalculation of Weight for all SBSG products Weight of all SBSG products was recalculated.

Please see here to find correct data. 		10.04.23 .
P369 Recalculation of Weight for all MBSA,MBSB products Weight of all MBSA,MBSB products was recalculated.

Please see here to find correct data. 		10.04.26 .
P370 Dimension correction for MBSA(B) Dimension correction
Please see here to find correct data. 		09.10.21 .
P371 Recalculation of Weight for all MBSA,MBSB products Weight of all MBSA,MBSB products was recalculated.

Please see here to find correct data. 		10.04.26 .
P373,375 Recalculation of Weight for all SBS products Weight of all SBS products was recalculated.

Please see here to find correct data. 		10.04.26 .
P373,375 Dimension correction for SBS Dimension correction
Please see here to find correct data. 		09.10.21 .
P376 SB4-2030 Products Hub width was corrected.
23.23 -> 23.33 		10.01.21 .
P377 Recalculation of Weight for all SB products Weight of all SB products was recalculated.

Please see here to find correct data. 		10.04.26 .
P378 Dimension correction for SB Dimension correction
Please see here to find correct data. 		09.10.21 .
P379 Recalculation of Weight for all SB products Weight of all SB products was recalculated.

Please see here to find correct data. 		10.04.26 .
P380 Dimension correction for SB,SBY Dimension correction
Please see here to find correct data. 		09.10.21 .
P381 Recalculation of Weight for all SB products Weight of all SB products was recalculated.
Please see here to find correct data. See here for SB products with Pinion shafts 		10.04.26 .
P382 Dimension correction for SUB Dimension correction
Please see here to find correct data. 		09.10.21 .
P383 Recalculation of Weight for all SUB products Weight of all SUB products was recalculated.

Please see here to find correct data. 		10.04.26 .
P384 Dimension correction for PB Dimension correction
Please see here to find correct data. 		09.10.21 .
P385 Recalculation of Weight for all PB products Weight of all PB products was recalculated.

Please see here to find correct data. 		10.04.26 .
P385Allowable torque (Bending strength) for PB products Allowable torque (Bending strength) is corrected
Please see here to find correct data. 		09.12.08 .
P387 Recalculation of Weight for all DB products Weight of all DB products was recalculated.

Please see here to find correct data. 		10.04.26 .
P399 fz values for the Niemann formula fz values for the Niemann formula

Incorrect
fz values :NG
↓↓

Corrected
fz values : OK

10.01.22 .
P401,403 Recalculation of Weight for all SN products Weight of all SN products was recalculated.

Please see here to find correct data. 		10.04.26 .
P405 Recalculation of Weight for all SUN products Weight of all SUN products was recalculated.

Please see here to find correct data. 		10.04.26 .
P407 Recalculation of Weight for all AN products Weight of all AN products was recalculated.

Please see here to find correct data. 		10.04.26 .
P409 Recalculation of Weight for all PN products Weight of all PN products was recalculated.

Please see here to find correct data. 		10.04.26 .
P421,423,425 Recalculation of Weight for all KWGDL products Weight of all KWGDL products was recalculated.

Please see here to find correct data. 		10.04.26 .
P421,423,425 Recalculation of Weight for all KWGDLS products Weight of all KWGDLS products was recalculated.

Please see here to find correct data. 		10.04.26 .
P421,423,425 Recalculation of Weight for all AGDL products Weight of all AGDL products was recalculated.

Please see here to find correct data. 		10.04.26 .
P423 Allowable Worm Wheel Torque Tables for AGDL Products Table titles are corrected
AGDL1.5 Allowable Worm Wheel Torques -> AGDL2.5 Allowable Worm Wheel Torques
AGDL2 Allowable Worm Wheel Torques - > AGDL3 Allowable Worm Wheel Torques
P427 - 435 Recalculation of Weight for all KWG products Weight of all KWG products was recalculated.

Please see here to find correct data. 		10.04.26 .
P427,429 Recalculation of Weight for all AG products Weight of all AG products was recalculated.

Please see here to find correct data. 		10.04.26 .
P431,433,435 Recalculation of Weight for all AGF products Weight of all AGF products was recalculated.

Please see here to find correct data. 		10.04.26 .
P433

F value and F’ value for H0-shaped AGF4-60R1 product

F value and F’ value for H0-shaped AGF4-60R1 products are missing
AGF4-60R1 F=15 F'=7

 

09.11.05 .
P435 F value and F’ value for H0-shaped AGF products F value and F’ value for H0-shaped AGF products are missing as follows;

AGF5-48R1 F17.5 F'=7.5
AGF5-50R1 F17.5 F'=7.5
AGF5-60R1 F17.5 F'=7.5

AGF6-40R1 F20 F'=8
AGF6-48R1 F20 F'=8
AGF6-50R1 F20 F'=8
AGF6-60R1 F20 F'=8

09.11.05 .
P437,439,441,443 Recalculation of Weight for all AG products Weight of all AG products was recalculated.

Please see here to find correct data. 		10.04.26 .
P437,439,441,443 Recalculation of Weight for all SWG products Weight of all SWG products was recalculated.

Please see here to find correct data. 		10.04.26 .
P444 Shape diagram of BG products HAT-shaped products have a tapped hole. 09.04.24 .
P445,447,449,451,
453,455,457,459 		Recalculation of Weight for all SW products Weight of all SW products was recalculated.

Please see here to find correct data. 		10.04.26 .
P445,447,449,451,
453,455,457,459 		Recalculation of Weight for all BG products Weight of all BG products was recalculated.

Please see here to find correct data. 		10.04.26 .
P447,449,451,
453,455,457,459 		Recalculation of Weight for all CG products Weight of all CG products was recalculated.

Please see here to find correct data. 		10.04.2 .
P456 CG4-30R2/L2 Pitch Diameter 120.01 - > 121.01

10.04.13

.
P457 CG4-60R1/L1 Weight　5.00 　->　6.56

10.02.03

.
P461,463,465 Recalculation of Weight for all SUW products Weight of all SUW products was recalculated.

Please see here to find correct data. 		10.04.26 .
P461 Recalculation of Weight for all DG products Weight of all DG products was recalculated.

Please see here to find correct data. 		10.04.26 .
P463,465 Recalculation of Weight for all PG products Weight of all Weight of all PG products was recalculated.

Please see here to find correct data. 		10.04.26 .
P473

KBX Performance Chart

Section 1：2　"Allowable X&Y-axis torque" -> "Allowable Y-axis torque" 09.01.30 Vol.3
P477

CBX Performance Chart

Section 1：2　"Allowable X&Y-axis torque" -> "Allowable Y-axis torque" 09.01.30 Vol.3
P478 Shape diagram for T-shaped CBX product Shape diagram for T-shaped CBX product
->「Bc」 -> 「BB」
CBX-T 		09.11.26 .
P484 Bending strength of Ratchets rf: Tooth root radius mm --> rf: Tooth root radius m

Formula
rf=Outside dia. D-2h/2 --> rf=Outside dia. D-2h/2000 		10.07.06 .
P484 Recalculation of Weight for all SRT-C products Weight of all SRT-C products was recalculated.

Please see here to find correct data. 		10.04.26 .
P486

Dimension table of SRT/SRTB products

The values of the Center distance and the Mounting distance for SRT/SRTB products are shown in the table, are slightly different from the theoretical values.
Please see here to find correct data. 		09.06.17 .
P486

SRT-C Products

Tooth hardness of Pawls
45 to 55 HRC -> 42 to 55 HRC 		09.02.09 Vol.3
P487 Recalculation of Weight for all SRT/SRTB products Weight of all SRT/SRTB products was recalculated.

Please see here to find correct data. 		10.04.26 .
P487

SRTB Shape diagram

 The diagram of the SRTB products (T9), in the front view (on the right), should have a line indicating the hub diameter, as below.
SRTB
09.04.28 .
P485

Ratchets : Application example

The position of the angular bearings mounted to the worm shaft is opposite.
Please see here to find the correct figure.

09.04.28 .
P490 Recalculation of Weight for all GC-I products Weight of all GC-I products was recalculated.

Please see here to find correct data. 		10.04.26 .
P490

GC Products

Term 'bore tolerance' is missing in the dimension table.
Bore tolerance is H7. 		09.01.16 Vol.3
P490

GC Products

Term ' Screw' in dimension table.
Screw L -> J 		08.12.15 Vol.3
P491 Recalculation of Weight for all GC products Weight of all GC products was recalculated.

Please see here to find correct data. 		10.04.26 .
P492 Surface Strength of Spline Equations and the symbols are corrected.
See here to find the correction 		00.03.15 .
P494 Recalculation of Weight for all SVI products Weight of all SVI products was recalculated.

Please see here to find correct data. 		10.04.2 .
P494 Recalculation of Weight for all SV products Weight of all SV products was recalculated.

Please see here to find correct data. 		10.04.26 .
P494

SV Products

Term 'tolerance of hub diameter' is missing in the dimension table.
Tolerance of hub diameter is between +0.25 and +0.15. 		09.01.16 Vol.3
P508 Explanation at the section "3.5 Undercutting"
(The forth line from the bottom) 		....The minimum number of teeth free of undercutting is 17. However, gears with 16 teeth or less....
(Corrected as below)
....The minimum number of teeth free of undercutting is 17.1. However, gears with 17 teeth or less.... 		10.09.06 .
P516 （b）Trochoid Interference
Equation （4.9） 		θ1 = ......... + inv αa1 - inv α
- inv α　->　- inv αw 		09.10.01 .
P576 Overlap ratio Equation for the Overlap Ratio is missing.
576
09.05.19 .
P589 Overlap ratio Equation for the Overlap Ratio is missing.
589 		09.05.19 .
P610 Table 13.6 Recommended Viscosity for Enclosed Gears Rotation of Pinion (RPM)
More than 100 - > More than 5000 		00.03.16 .
P614

Table 13.12 Damages to Gears

Table 13.12 -> Table 14.1 09.07.17 .
P619 Table 17.3 αb -> αw
ε　->　εα 		10.03.04 .
P647 The symbol in the diagram The symbol in the diagram at Total Runout Tolerance (Description)
Datum A --> D 		10.07.06 .
Copyright (C) 1996 KOHARA GEAR INDUSTRY CO.,LTD.
All Rights Reserved.