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Quality

Uncompromising Quality, Our Magnet Standards

our quality matters

Quality Control Procedure

1. Purchase Raw MaterialEquipment: –
Control PointControl Method
Item InspectionStandardFrequencyInstrument UsedRecord DocumentIn-Charge
Name, Amount, Order No.
Purchase Document Inspection Standard

All 2pcs Per Load

Visual ICP or Chemical Analyze

Material Inspection Sheet

Operator Technician
Composition, Appearance
2. BurdenEquipment: Electric Balance
Control PointControl Method
Item InspectionStandardFrequencyInstrument UsedRecord DocumentIn-Charge
Weight
Burden Production Guide

All

Electric Balance Visual

Burden Record

Operator
Appearance
3. MeltingEquipment: Vacuum Melting Furnace
Control PointControl Method
Item InspectionStandardFrequencyInstrument UsedRecord DocumentIn-Charge
Composition
Inspection Standard
1pcs / Furnace / Week
ICP or Chemical Visual

Inspection Sheet Quality Record

Technician
AppearanceAll
4. Smash & Jet MillingEquipment: Smash Machine Jet Mill
Control PointControl Method
Item InspectionStandardFrequencyInstrument UsedRecord DocumentIn-Charge
Powder Size
Milling Production Guide

1Times / Day / Machine Per Load

FSSS Oxygen Determinator
Powder Size Record
Technician
Oxygen ContentOxygen Record
5. PressingEquipment: Press
Control PointControl Method
Item InspectionStandardFrequencyInstrument UsedRecord DocumentIn-Charge
Height

Pressing Production Guide
5% Per LoadCalipers

Produce Process Sheet(3)


Operator
PressAllPress Meter
WeightAllBalance
6. Sintering & TemperingEquipment: Vacuum Furnace
Control PointControl Method
Item InspectionStandardFrequencyInstrument UsedRecord DocumentIn-Charge
Sintering Time
Inspection Standard
1pcs / Furnace / Week
ICP or Chemical Visual

Inspection Sheet Quality Record

Technician
Sintering TemperatureAll
7. InspectionEquipment: B-H Curves Measurement Magnetizer
Control PointControl Method
Item InspectionStandardFrequencyInstrument UsedRecord DocumentIn-Charge
Br、jHc、(BH)max
Company Standard

Inspection Standard
5pcs Per LoadB-H Curves Measurement

Sintering Produce Test Sheet


Inspection
Magnetic PropertyAQL = 0.65Gauss meter or Flux meter
De-Magnetiz VoltAQL = 0.65De-Magnetizer
AppearanceAllVisual
8. MachiningEquipment: Grinder Slice Electric Spark Machining Magnetizer
Control PointControl Method
Item InspectionStandardFrequencyInstrument UsedRecord DocumentIn-Charge
Dimentions


Inspection Standard
AQL = 0.25Calipers


Produce Inspection Sheet



Inspection
Appearance ToleranceAQL = 0.25Calipers
OrientationAQL = 0.25Magnate Material
Magnetic PropertyAQL = 0.4Gauss Meter or Flux Meter
AppearanceAQL = 0.25Visual
9. PlatingEquipment: Plating Vat
Control PointControl Method
Item InspectionStandardFrequencyInstrument UsedRecord DocumentIn-Charge
After Plating Dimensions
Inspection Standard
AQL = 0.65Calipers
Produce Inspection Sheet

Inspection Technician
AppearanceAQL = 0.65Visual
Plating Thickness5pcs Per LoadThickness DeterminatorThickness Record
10. Final InspectionEquipment: Magnetizer
Control PointControl Method
Item InspectionStandardFrequencyInstrument UsedRecord DocumentIn-Charge
Dimensions


Inspection Standard
AQL = 0.65Calipers


Final Inspection Record Sheet



Inspection
Appearance TolerancesAQL = 0.1Calipers
OrientationAQL = 0Magnate Material
Magnetic PropertyAQL = 0.65 Gauss Meter or Flux Meter
AppearanceAllVisual
11. PackingEquipment: Packer
Control PointControl Method
Item InspectionStandardFrequencyInstrument UsedRecord DocumentIn-Charge
Quality
Inspection Standard

All

Visual

Enter Store Sheet

Operator
Label
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