Quality

Measured, recorded, then shipped.

From incoming inspection through in-process checks to shipment, we back up our accuracy with inspection and traceability records. We are certified to ISO 9001:2015 (EQA / ANAB).

Summary: our quality system

Standard
ISO 9001:2015 (EQA / ANAB)
Incoming
Every part inspected
In-process
Every part inspected
Final
100% or sampling inspection; key parts are 100% inspected
Records
In our production management system, from order to shipment

View — Measuring room

KEYENCE 3D shape measuring machine, with a monitor showing measurement results for a ring part
An operator checking the measurement on screen beside a Tokyo Seimitsu (ACCRETECH) CONTOURECORD contour measuring machine
FIG. 1 KEYENCE 3D shape measuring machineFIG. 2 Measuring on a Tokyo Seimitsu form measuring machine

Turned. Measured. Guaranteed.

Quality assurance

Accuracy only becomes accuracy once it has been measured and proven. Under ISO 9001:2015, we carry out 100% inspection, sampling inspection and traceability management.

Receiving

Incoming inspection

Carried out on every part

In-process

In-process inspection

Carried out on every part

Final

Final inspection

100% or sampling inspection; key parts are 100% inspected

Traceability

Traceability records

Everything from order to shipment is recorded in our in-house production management system

Inspection record: our format

Same format as the record on our home page; values are our standard tolerances (max., mm)

0° 90° 180° 270°
ROUNDNESS 0.02 mm (our standard tolerance, max.)
Polar plot illustration (no measured values); the two-dot chain lines show the tolerance zone

OD roundness

0.02

Geometric tolerance (form); cylindricity also 0.02

Width variation

0.02

Variation in width between the two end faces

Groove runout

0.02

Axial runout of the raceway groove

Surface roughness

Ra 0.4–1.6

Surface texture symbol (material removal); values in µm (Rz 1.6–6.3)

Dimensional tolerance

0.01–0.02

Track record of holding dimensional tolerances in this range (mm)

Instrument
Tokyo Seimitsu form measuring machine
Result
—
Records
Tracked by lot number

The values in the boxes are our standard tolerances (max.) and the dimensional tolerances we have achieved (mm). Each part is made to the requirements on its drawing.

Measuring machines

  • Tokyo Seimitsu form measuring machine×2
  • KEYENCE 3D shape measuring machine×1
EQA and ANAB certification marks for ISO 9001:2015

ISO 9001:2015 certified (EQA / ANAB)

The measurement graphics in this panel are CG illustrations that show the format. They are not measurement results from an actual product.

Related pages

Contact

From φ5 to φ600, start with a drawing.

Request a quote or technical advice TEL +81-76-465-4151

Hours: 8:00–17:00 JST. After you contact us, a member of our team will reply within one to two days and explain how to send your drawings.