Inconsistent Grind Size, Excessive Fines & Dust
- Dull knives
- Wrong size screen
- Sharp edges on screen holes
- Overfeeding
- Inconsistent screen clearance
- Worn screen holes
- Improper knife settings
- Poor material evacuation
- Wrong RPM
- Poor or no scissor cut action
- Bearings not centered
Low Through Put
- Dull knives
- Wrong rotor configuration
- Loose or worn belts
- Precut operation required
- Undersized motor
- Poor material evacuation
- Wrong flywheel sheave
- Wrong size cutting circle
Poor Knife Life
- Abrasive material
- Poor knife steel quality
- Bolts not properly torqued
- Upgrade steel grade of knife
- Knives improperly sharpened
- Improper knife configuration
- Improper knife clearance
Material Wrap Around
- No stripper
- Inboard bearings
- Wrong rotor configuration
Poor Screen Life
- Worn screen cradle
- Unsecured screen
- Poor cutting action
- Screen requires treatment or coating
- Improper material evacuation
- Non-reversible screens
Machine Stalling & Melt Downs
- Overfeeding machine
- Poor level of air flow
- Improper material evacuation
- Loose belts
- Inconsistent screen clearance
- Improper knife setting
- Wrong machine size
- Worn knives
- Wrong rotor application
Excessive Machine Vibration & Noise
- Loose motor mounts
- Damaged rotor
- Unbalanced rotor
- Defective or worn bearings
- Worn belts
Poor Material Evacuation
- Clogged / damaged vacuum line
- Poor air flow
- Incorrect blower rotation
- Wrong size blower
- Excessive heat build-up
Overfeeding
- Wrong infeed configuration
- Undersized motor
- Dull knives
- Inconsistent screen clearance
- Wrong rotor configuration
- Undersized machine
