INSPECTION
Frequency and Area of critical inspection items are listed below,
where,
D: daily(AM & PM) W: weekly S: each Size
L: each Lot M: each Machine G: graph recording
A: automatically O: occasionally F: frequently
For Carbon Rods Products:
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Item Finished Product Unfinished Product
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Breaking Strength D.S.L.G W.S.M.G
Electrical Resistanc D.S.L.G W.S.M.G
Parafine Content D.S.L.G
Appearance D.S.L.G O
Iron Content W.S. G
Ash Content W.S. G
Gas Venting D.S.L.G W.S. G
Electrolyte Leakage L.S. G
Pore Rate W.S. G W.S.M.G
Density W.S. G W.S.M.G
Length D.S.M.L.G F
Diameter D.S.M.A F
For Materials & Process Control
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Item Material/Mix In Process
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Volatile matter W. G
Particle size D.M.G
Moisture content D.M.G
Fe content W. G
Ash content W. G
Sulpher content W. G
Other chemical analysis L. O
Binder Softening Point D.L
Binder Rate A
Green Cracks D.S.M.F
Extrusion Speed D.S.M.A
Green Length D.S.M.F
Green Diameter D.S.M.F
Extruder Load (A) D.M
Extruder RPM D.M
Kiln Speed A.G
Kiln Temperature A.G
Drying Oven Temperature D. A
WAX/OIL Temperature D. O
Steam Pressure D. O
Baked Rods Diameter D
Baked Rods Length D
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