1. Feeder
  • Shears not cutting properly 

 
1. Feeder
  • Reset shears or change to new blades

 
2. Machine Setup and Operation
  • Glass loading too deep into the ring equipment
  • Take-out not correctly adjusted
  • Excessive swabbing
  • Blowing out glass particles when changing mold equipment
  • Machine speed too high
  • Mold equipment incorrectly adjusted on the machine
  • Internal fused or stuck glass particles
  • Vacuum on too soon (blow and blow)
  • Plunger too late
  • Glass in blow head

 
2. Machine Setup and Operation
  • Check loading and machine differential setting
  • Reset take-out tongs
  • Reduce swabbing and use a dry, clean swab
  • Always practice good housekeeping
  • Reduce machine speed
  • Check mold equipment setup

 
3. Mold Equipment
  • Bad baffle match
  • Incorrectly matched mold equipment

 
3. Mold Equipment
  • Check baffle match when hot
  • Check all mold equipment with gauge and fixtures

 

Note: It is a serious fault and must be corrected AT ONCE.