Quality Control
Inspection Items
Dimensional tolerance inspection for inner diameter
Measurement with an inner diameter micrometer
Dimensional tolerance inspection for outer diameter
Measurement with a micrometer
Dimensional tolerance inspection for length
Measurement with a vernier caliper
Fit tolerance inspection
Using a limit plug gauge or pin gauge
Internal and External Thread
In principle, an ISO2 (JIS B 2025) equivalent bolt or nut should be used
Visual inspection
Measured with roughness measurement equipment, dot gauge, and surface roughness tester
Inspection of tapered pipe threads
Inspection using plug gauges (Rc) and ring gauges (R)
Geometric Tolerance Inspection Equipment
- Geometric tolerance specifications will be measured using the following inspection equipment.
- *The test method cannot be specified.
- *Measurement may vary by factory.
- *The inspection sheet is not included.
Eccentricity test
Inspection with an eccentric measuring instrument
Thickness Gauge Inspection
Inspection with a thickness gauge on a surface plate
Dial Height Gauge Inspection
Inspection using a dial height gauge on the top of the part
Circularity inspection
Inspection with Circularity measurement machine
Coordinate measuring machine inspection
Inspection with a coordinate measuring machine
Packaging
Examples of packaging materials
Caution
For steel products without surface treatment and rust-prone treatments such as Black oxide, rust-preventive oil is applied before delivery, but rust may still occur depending on storage conditions. Please unpack and inspect the products immediately upon receipt.Packing for Delivery
Product and drawings are enclosed in bubble wrap
Tack label attached
Packing for Delivery (single item)
Packing for Delivery (multiple items)
Caution
You need to dispose the wooden pallet and receive the product by forklift.
Please write your delivery address in the comment field when requesting a manual quote.