What is the reason for undercutting in the generating method of gear machining?
A: The addendum line of the rack cutter is higher than the tangent point
B: Too many teeth
C: Too little teeth
D: None of the above
A: The addendum line of the rack cutter is higher than the tangent point
B: Too many teeth
C: Too little teeth
D: None of the above
A
举一反三
- When manufacturing involute standard spur gears with generating cutting method, methods to avoid undercutting include A: Reduce the tooth height of the tool knife B: Increase the number of teeth of the machined gear C: Moves the cutter away from the gear under machining D: None of the above
- When manufacturing involute standard spur gears with generating cutting method, the minimum teeth number to avoid undercutting is A: 15 B: 16 C: 17 D: 18
- Given what you know about ape and human dentition, what is odd about this gorilla mandible? A: The teeth are excessively worn B: The canines are too large C: The molars are too long D: There is an extra (fifth) incisor
- In the absence of regulation, banks would probably hold A: too much capital, reducing the efficiency of the payments system. B: too much capital, reducing the profitability of banks. C: too little capital, increasing the return on equity. D: none of the above
- ______can cause oil flow from water outlet of the oil purifier. A: Oil inlet valve opening too quickly B: Oil temperature little higher than normal C: Diameter of gravity disc too small D: Viscosity of oil little lower than normal
内容
- 0
If a firm's liquidity ratio is higher than industry average, it may indicate the firm has too many current assets.
- 1
What are the _________of getting too little exercise?
- 2
They produce _______ pollution. A: too many B: many too C: too much D: much too
- 3
This box is_____heavy for the little boy_____move. A: to，too B: too，to C: to, to D: too，too
- 4
【单选题】I used to have _______ soft drinks and watch ________ TV, but now I have changed these bad habits. A. too many , too many B. too much , too many C. too many , too much D. too much , too much A. too many , too many B. too much , too many C. too many , too much D. too much , too much