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Company Profile

 

Company Mizui Seiko Co.,Ltd.
Estabish Oct.1967
Capital US$150000
CEO Masahiro Inoue
Main Office Babacho Hitachiotashi Ibaraki
Factory Orihashicho Hitachiotashi Ibaraki
Employee 35people
Company
▲Mizui Seiko Co.,Ltd.

 

Customer distribution

 

Customer distribution

 

Introduction of products

 

Cylindrical Parts  

Cylindrical Parts

【Materials】SUS2(Bearing Use)

The polish accuracy of outer achieves to sub-micron mm
and the polish accuracy of inner achieves to micron mm

Shafts  

Shafts



【Materials】SUS303~SUS420

Cut small piece using the Switzerland cutting machine
Possible for machining the magnetic and non-magnetic
materials
 

Shafts  



【Materials】SUS440C(Hardnening:over60HRC)

The hard material is machined by CNC lathe machine
The surface roughness achieves to Rz0.1 by special
finishing machine

Assemble for the flange into the saft&bush  

Assemble for the flange into the saft&bush

【Materials】SUS420 SUS316

Insert the flange into the shafts Un-mating force
Over 10kg

The DESIGN and development for the tray  

The DESIGN and development for the tray

【Materials】PP PS PET(Electric conduction and Electrification materials)

Package box(be prevented from any contamination)
【Austenitic material】
【Martensite material】
【Others】
SUS303 304 316
SUS416 420 440
Available to corrosion-resistant and Hardness materials
 
【Outer diameter accuracyl】
【Surface】
【Roundness】
Achieve to 0.0005mm ranges
Achieve to Ra0.01
Achieve to 0.0001mm

 

【Stepped】

 

【Angle】

 

【Screw】

 

【Groove】

Stepped   Angle   Screw   Groove

【Sphere】

 

【Cone】

 

【Laurette】

 

【D-cut】

Sphere   Cone   Laurette   D-cut

 

Standard production process

 

Standard production process
CNC lathe machine   CNC lathe machine   Polishing machine   Polishing machine
CNC lathe machine
 
Polishing machine

Standard production process
Roundness inspection   Outer diameter measurement   Surface rough gauge
Roundness inspection
 
Outer diameter measurement
 
Surface rough gauge