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Hard Anodizing in piston ring grooves

I want to hard anodize piston ring grooves. Now the specification is I don't want the piston outer body to be coated but just the rings. Now how is the masking of stopping of possible. please if anyone has knowledge about this, let me know as soon as possible.

Chintan Shah
Nichrome - India
2005

2005

Dear Mr Chintan Shah,

You have your work cut out in making a PVC Mould that will effectively cover all other areas but the area that you need to plate as well as conduct current to the ring.

Khozem Vahaanwala
Saify Ind

Bengaluru, Karnataka, India

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