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
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
举一反三
- 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
- The landing gear consists of the _________ gear and the main gears
- 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
- 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
- Gear shaping machine can machine the worm gears