TROUBLESHOOTING GUIDE DRIVE SHUTDOWN （故障排除指南驱动器关闭）.pdf

TROUBLESHOOTING GUIDE DRIVE SHUTDOWN THOROUGH INSPECTION Step 1 • Banded (Joined) Belt Problems Describe the problem Tie-band separation • What is wrong? Top of tie-band frayed, worn or damaged • When did it happen? Band comes off drive • How often does it happen? One or more ribs run outside of pulley • What is the drive application? • Have the machine operations or output changed? • V-belt Turns Over or Jumps • What kind of belt(s) are you using? off Sheave • What are your expectations for belt performance in Single belt this application? One or more belts in a set Joined or banded belts Step 2 Identify symptoms and record • Belt Stretches Beyond Take-Up observations of anything unusual. Single belt Multiple belts stretch unequally Drive Symptoms All belts stretch equally Check List (Check those you observe) • Premature Belt Failure Broken belt(s) Belt(s) fail to carry load (slip). No visible reason Edge cord failure Belt delamination or undercord separation • Severe or Abnormal Belt Wear Wear on belt top surface Wear on top corners of belt Wear on belt sidewall Wear on belt bottom corners Wear on bottom surface of belt Undercord cracking Burn or hardening on bottom or si