{"bh": {"defect_key": "bh", "labels": ["BH", "bh"], "causes": [{"category": "Core", "cause": "High Resine and hardner content in core"}, {"category": "nan", "cause": "Wet core"}, {"category": "nan", "cause": "core used after production less then four hrs."}, {"category": "nan", "cause": "high nitrigen content in resine"}, {"category": "nan", "cause": "low amine temp during core making"}, {"category": "nan", "cause": "Low resine / hardner temp during core making"}, {"category": "nan", "cause": "Un-cured core"}, {"category": "nan", "cause": "in-adiquate resine and hardner ratio in core"}, {"category": "Melting", "cause": "High Mg % content in metal."}, {"category": "nan", "cause": "High Al content in metal"}, {"category": "nan", "cause": "Low pouring temp."}, {"category": "nan", "cause": "Improper pouring practice"}, {"category": "nan", "cause": "Unheated treatment laddle/pouring laddle"}, {"category": "nan", "cause": "Gassy metal"}, {"category": "nan", "cause": "High Ca % in FeSiMg"}, {"category": "nan", "cause": "Metal hold before pouring at high temp."}, {"category": "Moulding", "cause": "box leakage during pouring"}, {"category": "nan", "cause": "low mold hardness"}, {"category": "nan", "cause": "Rusty chill"}, {"category": "Pattern", "cause": "Improper gatting system"}, {"category": "nan", "cause": "improper venting in tooling"}, {"category": "Sand", "cause": "High moisture in sand"}, {"category": "nan", "cause": "High clay content in sand parameter."}, {"category": "nan", "cause": "high compactibility"}, {"category": "nan", "cause": "low VM"}, {"category": "nan", "cause": "low permiability"}, {"category": "nan", "cause": "high temp of sand"}, {"category": "nan", "cause": "HJigh AFS Molding sand"}]}, "ph": {"defect_key": "ph", "labels": ["PH", "ph"], "causes": [{"category": "Core", "cause": "High Resine and hardner content in core"}, {"category": "nan", "cause": "Wet core"}, {"category": "nan", "cause": "core used after production less then four hrs."}, {"category": "nan", "cause": "high nitrigen content in resine"}, {"category": "nan", "cause": "low amine temp during core making"}, {"category": "nan", "cause": "Low resine / hardner temp during core making"}, {"category": "nan", "cause": "Un-cured core"}, {"category": "nan", "cause": "in-adiquate resine and hardner ratio in core"}, {"category": "Melting", "cause": "High Mg % content in metal."}, {"category": "nan", "cause": "High Al content in metal"}, {"category": "nan", "cause": "Low pouring temp."}, {"category": "nan", "cause": "Improper pouring practice"}, {"category": "nan", "cause": "Unheated treatment laddle/pouring laddle"}, {"category": "nan", "cause": "Gassy metal"}, {"category": "nan", "cause": "High Ca % in FeSiMg"}, {"category": "nan", "cause": "Metal hold before pouring at high temp."}, {"category": "Moulding", "cause": "box leakage during pouring"}, {"category": "nan", "cause": "low mold hardness"}, {"category": "nan", "cause": "Rusty chill"}, {"category": "Pattern", "cause": "Improper gatting system"}, {"category": "nan", "cause": "improper venting in tooling"}, {"category": "Sand", "cause": "High moisture in sand"}, {"category": "nan", "cause": "High clay content in sand parameter."}, {"category": "nan", "cause": "high compactibility"}, {"category": "nan", "cause": "low VM"}, {"category": "nan", "cause": "low permiability"}, {"category": "nan", "cause": "high temp of sand"}]}, "csh": {"defect_key": "csh", "labels": ["Cold Shut", "csh"], "causes": [{"category": "nan", "cause": "Wet core"}, {"category": "nan", "cause": "Un-cured core"}, {"category": "nan", "cause": "Low pouring temp."}, {"category": "nan", "cause": "Improper pouring practice"}, {"category": "nan", "cause": "Unheated treatment laddle/pouring laddle"}, {"category": "nan", "cause": "Interupted Pouring"}, {"category": "nan", "cause": "More metal tapping"}, {"category": "Moulding", "cause": "box leakage during pouring"}, {"category": "Pattern", "cause": "Improper gatting system"}, {"category": "nan", "cause": "improper venting in tooling"}, {"category": "nan", "cause": "Improper methoding"}, {"category": "nan", "cause": "Improper neck notch"}, {"category": "Sand", "cause": "High moisture in sand"}]}, "core_mark": {"defect_key": "core_mark", "labels": ["Core Mark", "core_mark"], "causes": [{"category": "nan", "cause": "Wet core"}, {"category": "nan", "cause": "Untrimmed core"}, {"category": "nan", "cause": "Improper handling of core"}, {"category": "Training", "cause": "new operator"}, {"category": "nan", "cause": "lake of job knowledge"}]}, "rough_surface": {"defect_key": "rough_surface", "labels": ["Rough", "rough_surface"], "causes": [{"category": "nan", "cause": "Wet core"}, {"category": "nan", "cause": "High Gap between shell and blade in Sand mixture"}, {"category": "nan", "cause": "High pouring temp."}, {"category": "nan", "cause": "less mold compaction."}, {"category": "nan", "cause": "Improper Chill"}, {"category": "nan", "cause": "poor finishing of tooling"}, {"category": "Sand", "cause": "High moisture in sand"}, {"category": "nan", "cause": "low VM"}, {"category": "nan", "cause": "low permiability"}, {"category": "nan", "cause": "high temp of sand"}, {"category": "nan", "cause": "Low AFS Molding sand"}, {"category": "nan", "cause": "High permiability"}]}, "core_bend": {"defect_key": "core_bend", "labels": ["Core Bend", "core_bend"], "causes": [{"category": "nan", "cause": "low amine temp during core making"}, {"category": "nan", "cause": "Low resine / hardner temp during core making"}, {"category": "nan", "cause": "Un-cured core"}, {"category": "nan", "cause": "in-adiquate resine and hardner ratio in core"}]}, "em": {"defect_key": "em", "labels": ["EM", "em"], "causes": [{"category": "nan", "cause": "Un-cured core"}, {"category": "nan", "cause": "Improper core setting"}, {"category": "nan", "cause": "improper mold cleaning during closing"}, {"category": "nan", "cause": "Improper Box closing"}, {"category": "nan", "cause": "Improper tooling cleaning during molding"}, {"category": "nan", "cause": "less clearance between core and mold."}, {"category": "nan", "cause": "Low GCS in sand"}]}, "inc": {"defect_key": "inc", "labels": ["Incl", "inc"], "causes": [{"category": "Maintenance", "cause": "Machine alinment not Ok"}, {"category": "nan", "cause": "High Gap between shell and blade in Sand mixture"}, {"category": "nan", "cause": "Improper pouring practice"}, {"category": "nan", "cause": "Gassy metal"}, {"category": "nan", "cause": "High pouring temp."}, {"category": "nan", "cause": "Improper De-slaging after treatment"}, {"category": "Mold Maintenance", "cause": "Improper handling of unpoured mold"}, {"category": "nan", "cause": "low mold hardness"}, {"category": "nan", "cause": "less mold compaction."}, {"category": "nan", "cause": "Improper core setting"}, {"category": "nan", "cause": "improper mold cleaning during closing"}, {"category": "nan", "cause": "Improper Chill"}, {"category": "nan", "cause": "Worn out Pin Bush in mold Box"}, {"category": "nan", "cause": "Improper Box closing"}, {"category": "nan", "cause": "Improper tooling cleaning during molding"}, {"category": "nan", "cause": "Improper mold clamp after closing of mold."}, {"category": "Pattern", "cause": "Improper gatting system"}, {"category": "nan", "cause": "improper venting in tooling"}, {"category": "nan", "cause": "Improper methoding"}, {"category": "nan", "cause": "less clearance between core and mold."}, {"category": "nan", "cause": "poor finishing of tooling"}, {"category": "nan", "cause": "Worn out Pin Bush in match plate"}, {"category": "nan", "cause": "MM in tooling"}, {"category": "nan", "cause": "Bend match plate"}, {"category": "nan", "cause": "Sharp corner on tooling"}, {"category": "nan", "cause": "Improper neck notch"}, {"category": "nan", "cause": "High clay content in sand parameter."}, {"category": "nan", "cause": "low VM"}, {"category": "nan", "cause": "high temp of sand"}, {"category": "nan", "cause": "Low GCS in sand"}, {"category": "nan", "cause": "dry sand"}, {"category": "nan", "cause": "low wts in sand"}, {"category": "nan", "cause": "High permiability"}, {"category": "Training", "cause": "new operator"}, {"category": "nan", "cause": "lake of job knowledge"}]}, "scab": {"defect_key": "scab", "labels": ["Scab", "scab"], "causes": [{"category": "nan", "cause": "High Gap between shell and blade in Sand mixture"}, {"category": "nan", "cause": "High pouring temp."}, {"category": "nan", "cause": "low mold hardness"}, {"category": "nan", "cause": "less mold compaction."}, {"category": "Pattern", "cause": "Improper gatting system"}, {"category": "nan", "cause": "Improper neck notch"}, {"category": "nan", "cause": "High clay content in sand parameter."}, {"category": "nan", "cause": "high temp of sand"}, {"category": "nan", "cause": "Low GCS in sand"}, {"category": "nan", "cause": "HJigh AFS Molding sand"}]}, "swell": {"defect_key": "swell", "labels": ["Swell", "swell"], "causes": [{"category": "nan", "cause": "High Gap between shell and blade in Sand mixture"}, {"category": "nan", "cause": "low mold hardness"}, {"category": "nan", "cause": "less mold compaction."}, {"category": "Pattern", "cause": "Improper gatting system"}, {"category": "nan", "cause": "High clay content in sand parameter."}, {"category": "nan", "cause": "low permiability"}, {"category": "nan", "cause": "Low GCS in sand"}]}, "dft": {"defect_key": "dft", "labels": ["Sh", "dft"], "causes": [{"category": "Melting", "cause": "High Mg % content in metal."}, {"category": "nan", "cause": "Low pouring temp."}, {"category": "nan", "cause": "Improper pouring practice"}, {"category": "nan", "cause": "Unheated treatment laddle/pouring laddle"}, {"category": "nan", "cause": "high pouring time"}, {"category": "nan", "cause": "Low/High CE value in metal"}, {"category": "nan", "cause": "High pouring temp."}, {"category": "nan", "cause": "Metal hold before pouring at high temp."}, {"category": "nan", "cause": "Interupted Pouring"}, {"category": "nan", "cause": "Improper Inoculation"}, {"category": "nan", "cause": "Improper chemestry"}, {"category": "Moulding", "cause": "box leakage during pouring"}, {"category": "nan", "cause": "low mold hardness"}, {"category": "nan", "cause": "less mold compaction."}, {"category": "nan", "cause": "Improper Chill"}, {"category": "Pattern", "cause": "Improper gatting system"}, {"category": "nan", "cause": "Improper methoding"}, {"category": "nan", "cause": "Improper neck notch"}, {"category": "nan", "cause": "low permiability"}, {"category": "Training", "cause": "new operator"}]}, "bad_micro": {"defect_key": "bad_micro", "labels": ["Bad Micro", "bad_micro"], "causes": [{"category": "Melting", "cause": "High Mg % content in metal."}, {"category": "nan", "cause": "high pouring time"}, {"category": "nan", "cause": "Low/High CE value in metal"}, {"category": "nan", "cause": "High pouring temp."}, {"category": "nan", "cause": "Metal hold before pouring at high temp."}, {"category": "nan", "cause": "More metal tapping"}, {"category": "nan", "cause": "Improper Inoculation"}, {"category": "nan", "cause": "improper charge mix"}, {"category": "nan", "cause": "Improper chemestry"}, {"category": "nan", "cause": "Improper Chill"}, {"category": "PPC", "cause": "Fast Knock out"}]}, "slag": {"defect_key": "slag", "labels": ["Slag", "slag"], "causes": [{"category": "Melting", "cause": "High Mg % content in metal."}, {"category": "nan", "cause": "Improper pouring practice"}, {"category": "nan", "cause": "High pouring temp."}, {"category": "nan", "cause": "Improper De-slaging after treatment"}, {"category": "nan", "cause": "improper charge mix"}, {"category": "Pattern", "cause": "Improper gatting system"}, {"category": "Training", "cause": "new operator"}, {"category": "nan", "cause": "lake of job knowledge"}]}, "porocity": {"defect_key": "porocity", "labels": ["Porosity", "porocity"], "causes": [{"category": "Melting", "cause": "High Mg % content in metal."}, {"category": "nan", "cause": "Low pouring temp."}, {"category": "nan", "cause": "Unheated treatment laddle/pouring laddle"}, {"category": "nan", "cause": "high pouring time"}, {"category": "nan", "cause": "Low/High CE value in metal"}, {"category": "nan", "cause": "High pouring temp."}, {"category": "nan", "cause": "Metal hold before pouring at high temp."}, {"category": "nan", "cause": "Interupted Pouring"}, {"category": "nan", "cause": "Improper Inoculation"}, {"category": "nan", "cause": "Improper chemestry"}, {"category": "Moulding", "cause": "box leakage during pouring"}, {"category": "nan", "cause": "low mold hardness"}, {"category": "nan", "cause": "less mold compaction."}, {"category": "nan", "cause": "Improper Chill"}, {"category": "Pattern", "cause": "Improper gatting system"}, {"category": "nan", "cause": "Improper methoding"}, {"category": "nan", "cause": "Improper neck notch"}, {"category": "nan", "cause": "low permiability"}, {"category": "Training", "cause": "new operator"}]}, "dip": {"defect_key": "dip", "labels": ["Dip", "dip"], "causes": [{"category": "Melting", "cause": "High Mg % content in metal."}, {"category": "nan", "cause": "Low pouring temp."}, {"category": "nan", "cause": "Improper pouring practice"}, {"category": "nan", "cause": "Unheated treatment laddle/pouring laddle"}, {"category": "nan", "cause": "high pouring time"}, {"category": "nan", "cause": "Low/High CE value in metal"}, {"category": "nan", "cause": "High pouring temp."}, {"category": "nan", "cause": "Metal hold before pouring at high temp."}, {"category": "nan", "cause": "Interupted Pouring"}, {"category": "nan", "cause": "Improper Inoculation"}, {"category": "nan", "cause": "Improper chemestry"}, {"category": "Moulding", "cause": "box leakage during pouring"}, {"category": "nan", "cause": "low mold hardness"}, {"category": "nan", "cause": "less mold compaction."}, {"category": "nan", "cause": "Improper Chill"}, {"category": "Pattern", "cause": "Improper gatting system"}, {"category": "nan", "cause": "improper venting in tooling"}, {"category": "nan", "cause": "Improper methoding"}, {"category": "nan", "cause": "Improper neck notch"}, {"category": "nan", "cause": "low permiability"}, {"category": "Training", "cause": "new operator"}]}, "sw": {"defect_key": "sw", "labels": ["SW", "sw"], "causes": [{"category": "nan", "cause": "Improper pouring practice"}, {"category": "nan", "cause": "High pouring temp."}, {"category": "nan", "cause": "low mold hardness"}, {"category": "nan", "cause": "less mold compaction."}, {"category": "nan", "cause": "Improper core setting"}, {"category": "nan", "cause": "improper mold cleaning during closing"}, {"category": "nan", "cause": "Improper Chill"}, {"category": "nan", "cause": "Improper tooling cleaning during molding"}, {"category": "Pattern", "cause": "Improper gatting system"}, {"category": "nan", "cause": "Improper methoding"}, {"category": "nan", "cause": "Sharp corner on tooling"}, {"category": "nan", "cause": "Improper neck notch"}, {"category": "nan", "cause": "low VM"}, {"category": "nan", "cause": "high temp of sand"}, {"category": "nan", "cause": "Low GCS in sand"}, {"category": "nan", "cause": "dry sand"}, {"category": "Training", "cause": "new operator"}]}, "lkg": {"defect_key": "lkg", "labels": ["Leakage", "lkg"], "causes": [{"category": "nan", "cause": "Improper pouring practice"}, {"category": "nan", "cause": "High pouring temp."}, {"category": "Moulding", "cause": "box leakage during pouring"}, {"category": "nan", "cause": "low mold hardness"}, {"category": "nan", "cause": "less mold compaction."}, {"category": "nan", "cause": "Improper Box closing"}, {"category": "nan", "cause": "Improper mold clamp after closing of mold."}, {"category": "Pattern", "cause": "Improper gatting system"}, {"category": "nan", "cause": "improper venting in tooling"}, {"category": "nan", "cause": "Bend match plate"}]}, "sand_fusion": {"defect_key": "sand_fusion", "labels": ["Sand Fusion", "sand_fusion"], "causes": [{"category": "nan", "cause": "high pouring time"}, {"category": "nan", "cause": "less mold compaction."}, {"category": "nan", "cause": "High clay content in sand parameter."}, {"category": "nan", "cause": "low VM"}, {"category": "nan", "cause": "high temp of sand"}]}, "broken": {"defect_key": "broken", "labels": ["BROKEN", "broken"], "causes": [{"category": "nan", "cause": "Low/High CE value in metal"}, {"category": "nan", "cause": "Improper Inoculation"}, {"category": "nan", "cause": "Improper chemestry"}, {"category": "OLS", "cause": "Improper wedge machine used."}, {"category": "nan", "cause": "Improper Wedge cutting arrangement"}, {"category": "PPC", "cause": "Fast Knock out"}]}, "hard": {"defect_key": "hard", "labels": ["Hard", "hard"], "causes": [{"category": "nan", "cause": "Low/High CE value in metal"}, {"category": "nan", "cause": "Improper Inoculation"}, {"category": "nan", "cause": "Improper chemestry"}, {"category": "nan", "cause": "Improper Chill"}, {"category": "PPC", "cause": "Fast Knock out"}]}, "low_bhn": {"defect_key": "low_bhn", "labels": ["Low BHN", "low_bhn"], "causes": [{"category": "nan", "cause": "Low/High CE value in metal"}, {"category": "nan", "cause": "Improper Inoculation"}, {"category": "nan", "cause": "Improper chemestry"}]}, "high_bhn": {"defect_key": "high_bhn", "labels": ["High BHN", "high_bhn"], "causes": [{"category": "nan", "cause": "Low/High CE value in metal"}, {"category": "nan", "cause": "Improper Inoculation"}, {"category": "nan", "cause": "Improper chemestry"}, {"category": "nan", "cause": "Improper Chill"}, {"category": "PPC", "cause": "Fast Knock out"}]}, "sp": {"defect_key": "sp", "labels": ["SP", "sp"], "causes": [{"category": "nan", "cause": "Less metal tapping"}, {"category": "Training", "cause": "new operator"}, {"category": "nan", "cause": "lake of job knowledge"}]}, "layer": {"defect_key": "layer", "labels": ["Layer", "layer"], "causes": [{"category": "nan", "cause": "Improper Heat treatment"}]}, "scaling": {"defect_key": "scaling", "labels": ["Scaling", "scaling"], "causes": [{"category": "nan", "cause": "Improper Heat treatment"}]}, "mb": {"defect_key": "mb", "labels": ["MB", "mb"], "causes": [{"category": "Mold Maintenance", "cause": "Improper handling of unpoured mold"}, {"category": "nan", "cause": "Improper tooling cleaning during molding"}, {"category": "nan", "cause": "less clearance between core and mold."}, {"category": "nan", "cause": "poor finishing of tooling"}, {"category": "nan", "cause": "Sharp corner on tooling"}, {"category": "nan", "cause": "Low GCS in sand"}, {"category": "nan", "cause": "dry sand"}, {"category": "nan", "cause": "low wts in sand"}, {"category": "Training", "cause": "new operator"}, {"category": "nan", "cause": "lake of job knowledge"}]}, "dimen": {"defect_key": "dimen", "labels": ["Dimen", "dimen"], "causes": [{"category": "nan", "cause": "low mold hardness"}, {"category": "nan", "cause": "less mold compaction."}, {"category": "nan", "cause": "Improper core setting"}, {"category": "nan", "cause": "Worn out Pin Bush in mold Box"}, {"category": "nan", "cause": "Improper mold clamp after closing of mold."}, {"category": "nan", "cause": "Worn out Pin Bush in match plate"}, {"category": "nan", "cause": "MM in tooling"}, {"category": "nan", "cause": "High clay content in sand parameter."}]}, "bend": {"defect_key": "bend", "labels": ["BEND", "bend"], "causes": [{"category": "nan", "cause": "less mold compaction."}, {"category": "OLS", "cause": "Improper wedge machine used."}, {"category": "Pattern", "cause": "Improper gatting system"}, {"category": "nan", "cause": "Bend match plate"}, {"category": "nan", "cause": "Improper Wedge cutting arrangement"}, {"category": "PPC", "cause": "Fast Knock out"}]}, "mm": {"defect_key": "mm", "labels": ["MM", "mm"], "causes": [{"category": "nan", "cause": "Improper core setting"}, {"category": "nan", "cause": "Worn out Pin Bush in mold Box"}, {"category": "nan", "cause": "Worn out 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out Pin Bush in match plate"}, {"category": "nan", "cause": "MM in tooling"}, {"category": "nan", "cause": "Bend match plate"}]}, "mould_crush": {"defect_key": "mould_crush", "labels": ["Mould Crush", "mould_crush"], "causes": [{"category": "nan", "cause": "Improper core setting"}, {"category": "nan", "cause": "Worn out Pin Bush in mold Box"}, {"category": "nan", "cause": "less clearance between core and mold."}, {"category": "Training", "cause": "new operator"}, {"category": "nan", "cause": "lake of job knowledge"}]}, "chill_mark": {"defect_key": "chill_mark", "labels": ["Chill Mark", "chill_mark"], "causes": [{"category": "nan", "cause": "Improper Chill"}]}, "fet_def": {"defect_key": "fet_def", "labels": ["Fet Def", "fet_def"], "causes": [{"category": "OLS", "cause": "Improper wedge machine used."}, {"category": "nan", "cause": "improper venting in tooling"}, {"category": "nan", "cause": "Improper neck notch"}, {"category": "nan", "cause": "Improper Wedge cutting arrangement"}, {"category": "Training", "cause": "new operator"}, {"category": "nan", "cause": "lake of job knowledge"}]}, "uc": {"defect_key": "uc", "labels": ["UC", "uc"], "causes": [{"category": "OLS", "cause": "Improper wedge machine used."}, {"category": "Pattern", "cause": "Improper gatting system"}, {"category": "nan", "cause": "improper venting in tooling"}, {"category": "nan", "cause": "Sharp corner on tooling"}, {"category": "nan", "cause": "Improper neck notch"}, {"category": "nan", "cause": "Improper Wedge cutting arrangement"}, {"category": "Training", "cause": "new operator"}, {"category": "nan", "cause": "lake of job knowledge"}]}, "dm": {"defect_key": "dm", "labels": ["DM", "dm"], "causes": [{"category": "OLS", "cause": "Improper wedge machine used."}, {"category": "Pattern", "cause": "Improper gatting system"}, {"category": "nan", "cause": "Improper Wedge cutting arrangement"}, {"category": "PPC", "cause": "Fast Knock out"}, {"category": "Training", "cause": "new operator"}, {"category": "nan", "cause": "lake of job knowledge"}]}, "nc": {"defect_key": "nc", "labels": ["NC", "nc"], "causes": [{"category": "Training", "cause": "new operator"}, {"category": "nan", "cause": "lake of job knowledge"}]}}