Compared with standard spur gears, helical gears have advantages of
A: Center distance can be adjusted by changing helix angle
B: Contact ratio is big with large load capacity
C: Transmission is more steady
D: Axial force exist
A: Center distance can be adjusted by changing helix angle
B: Contact ratio is big with large load capacity
C: Transmission is more steady
D: Axial force exist
A,B,C
本题目来自[网课答案]本页地址：https://www.wkda.cn/ask/peeoejoazjyxzoo.html
举一反三
- Comparing with the spur gears, what are the advantages of helical gears? A: Helical gears operate more smoothly and silently. B: High contact ratio and heavier load capability. C: No thrust along gear axis. D: Less sensitive to undercutting
- 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
- Gear shaping machine can machine the worm gears
- In the following options，（ ）are standard parts. A: Commonly used thread fasteners B: Keys C: Gears D: Springs
- 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
内容
- 0
The shear bearing capacity of small-eccentrically tensioned member will increase with axial force increasing
- 1
Compared to paper cards, e-cards have the following advantages except ______. A: easier to get B: more efficient C: quicker to send D: more attractive
- 2
The shear bearing capacity of small-eccentrically tensioned member will increase with axial force increasing A: 正确 B: 错误
- 3
Shade leaves have ( ) than sun leaves. A: more total chlorophyll pre raction center B: a high ratio of chlorophyll b to a C: Both 'more total chlorophyll pre raction center' and 'a high ratio of chlorophyll b to a' D: None of the others
- 4
This is a very big hotel and it can _______ more than 1,000 people.( ) A: load B: accommodate C: display D: faint