Washer inspection machines for washers, shims and stampings.
Stamped parts mix easily and fail quietly — a burr, a bend or a plating defect in a bin of thousands. Visimaster machines check every washer and shim both-side, and separate OK from NG automatically.
Defects caught
- Dent Mark
- a small pressed-in mark on a face
- Chip Off
- a piece broken away from an edge or face
- Black Spot
- a dark inclusion or stain on the surface
- Outer Burr
- a burr on the outer edge of a washer or stamping
- Foreign Material
- a particle or contaminant stuck to the part
- Pit Mark
- a small pit or cavity in the surface
- Line Mark
- a fine scratch or scoring line
- Burr on OD
- a burr on the outer diameter
- Plating Defect
- missing, thin or blistered plating
- Cut Mark
- a knife-like cut or nick in the surface
Other checks: Bend
How washer and stamping inspection works on a Visimaster line
- 1
Feed
- Washers, shims and circlips are fed flat onto the glass disc, manual or automatic loading
- Single program, common model: one setup covers the family of parts
- 2
Inspect
- ID, OD and thickness measured on every piece
- Both faces checked: dent marks, chip-off, black spots, pit and line marks, plating defects, cut marks
- Outer burr and burr on OD caught on the edge; bend detected on the profile
- Double Disc flips the part between two discs when 100% of the surface must be seen
- 3
Sort and report
- NG pieces separated automatically; OK pieces ejected in counted, quantity-wise batches
- Inspection speed up to 300 PPM
- Table-top Nano Glass Disc option saves every result with batch-wise and SPC reports

Glass Disc Machine for Washer Inspection
300 PPM · washers & shimsShim · Circlips · Washers · Stamping Parts
- Cameras
- 6
- Footprint
- 2150 × 1700 × 2110 mm
- Weight
- 600 kg

Nano Glass Disc
200 PPM · table-topCompact table-top glass disc for turned precision parts, fasteners and washers — detailed dimensional inspection in a bench footprint.
- Cameras
- 2
- Footprint
- 1000 × 600 × 900 mm
- Weight
- 100 kg

Double Disc
100% surface · AI/DLParts flipped mid-cycle between two discs to capture 100% of the surface area — with AI/DL defect detection.
- Cameras
- 8
- Footprint
- 2400 × 1680 × 2000 mm
- Weight
- 1200 kg
The parts, and the defects the cameras catch



What washer and stamping defects can the machines catch?
The inspection list covers Dent Mark, Chip Off, Black Spot, Outer Burr, Foreign Material, Pit Mark, Line Mark, Burr on OD, Plating Defect & Cut Mark — plus bend checking.
Are both sides of the washer inspected?
Yes — washers and shims are checked both-side on the glass disc platform, with ID, OD and thickness measured on every piece.
How fast can washers be inspected?
Washer inspection and sorting runs at up to 300 PPM.
How do I check if my washers can be inspected?
Courier 50–100 sample washers — including a few defective pieces — to our lab in Bhosari, Pune. Our engineers run them on the actual machine platform and you receive a feasibility report, typically within a week. The check is free. Prefer to start online? Upload a drawing or photo of your washer on the Ask AI page and get an engineering answer in minutes.
Talk it through with an engineer
Every part in this industry is different. Describe yours to VisiExpert and it checks it against the machines on this page; an engineer takes it from there.
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