No.

Procedure

Control Point

Control Method /Instrument

Frequency

Sector

Name

1

Raw Material Inspection

/

Chemical Element

Sample

EveryLot

Q.C. Sector

2

Clean the Raw Material

Polishing Machine

Crushing Machine

Cutting Machine

Rustless & Deoxidize

Eyeballing

EveryLot

Melting  Sector  

3

Collocation

Balance

platform Balance

Prescription & Weight

Balance

platform Balance

EveryLot

4

Melting

Vacuum Melting Furnace(22kgs)

Vacuum

Compound Vacuometer

Every Furnace

Power

Wattmeter

Every Furnace

5

Powder

Jet Mill

Oxygen Content

Oxygen Content Meter

Around-the-clock

Powder  Sector

Nitrogen Pressure

Pressure Gauge

Around-the-clock

Granularity

Particle analyzer

2 Times/Shift

6

Molding

Pressing Machine

Magnetized Direction

Tesla Meter

2 Times/Shift

Molding  Sector

Dimension

Vernier Caliper

3 Times/Shift

7

Hydraulic Pressing

Hydraulic Pressing Machine

Pressure

Pressure Gauge

Around-the-clock

8

Sintering

Vacuum Melting Furnace

Vacuum

Compound Vacuometer

Every Furnace

Sintering  Sector

Sintering Temperature

Temperature Control Instrument

Around-the-clock

9

Semi-finished Product Testing

/

Properties

NIM-1000DH Testing Meter

Every Furnace/Lot

Q.C.  Sector  

Testing Team

Dimension

Vernier Caliper

10

Center less Grinding

MT080B

Dimension

Outside Micrometer

GB/T2828-2003

11

Cutting

J50608 Cutting Machine

Dimension

12

Surface Coating

Ultrasonic Cleaning Machine

Chamfer Machine

PlatingBath

Coating Quality

YWX/Q Salt Spray Machine

≥5pcs/lot or Customer’s Requirements

Q.C. Sector

Process Testing Team

DJH-D Thickness Meter

Dimension

Outside Micrometer

13

Finished-Product Testing

/

Appearance

Surface Gauss

Outside Micrometer

Tesla Meter

GB/T2828-2003

Q.C. Sector Finished Product Testing Team

14

Packing, Store & Shipping

/

Quantity

/

/

Packing Sector

15

Final Testing

/

Quantity

Appearance

/

GB/T2828-2003

Q.C Sector Finished Product Testing Team