APPENDIX 1

Table A1.1 Elastic Coefficient ZE

Table A1.2 Allowable Circumferential Velocity of Gears in Relation to

the Manufacturing Processes and Quality

V

m /s Manufacturing process Quality

0-0.8 Cast, coarse cut, gas cut, flame cut 10-12

0.8-4 Smooth finished 8-10

4-12 Ground 6-8

12-60 Scraped, shaved, fine ground 4-6

Figure A1.1 Dynamic Factor KV

Table A1.3 Lewis Form Factor

Figure A1.2 Definition of distance S and S1

Table A1.4 Empirical Constants A, B and C

Figure A1.3 Back up Ratio

Figure A1.4 Rim Thickness Factor

Figure A1.5 Bending-Strength Geometry Factor

Table A1.5 Allowable Bending Stress for Steel

Table A1.6 Allowable Contact Stress

Table A1.7 Steel Properties