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Design of Special Fixture for Hard Chromium Plating on Internal Surface of Hollow Cylinder Open at One End and with Restricted Opening at the Other End with L/D Ratio More than 4


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1 Total Prod. Maintenance (TPM) Dept., Central Manufacturing Technology Institute (CMTI), Bengaluru, India
     

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Hard chrome plating is widely used for various applications requiring wear and corrosion resistance. The quality of plating is influenced by applied current, relative position of anode & work piece, bath solution composition & concentration, temperature. The present work is focused on design & development of fixtures for holding anode with a view to produce uniform coating on internal surface of work piece made out of 17-4-PH steel. The plating was carried out with and without concentric position of anode. The quality of coating in respect of uniformity was assessed by measuring coating thickness. The results show that the uniformity in coating is achieved by the use of fixture for concentric position of anode.
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  • Design of Special Fixture for Hard Chromium Plating on Internal Surface of Hollow Cylinder Open at One End and with Restricted Opening at the Other End with L/D Ratio More than 4

Abstract Views: 309  |  PDF Views: 0

Authors

S. S. Avadhani
Total Prod. Maintenance (TPM) Dept., Central Manufacturing Technology Institute (CMTI), Bengaluru, India
Champuri Srinivas Rao
Total Prod. Maintenance (TPM) Dept., Central Manufacturing Technology Institute (CMTI), Bengaluru, India
C. J. Kumara
Total Prod. Maintenance (TPM) Dept., Central Manufacturing Technology Institute (CMTI), Bengaluru, India

Abstract


Hard chrome plating is widely used for various applications requiring wear and corrosion resistance. The quality of plating is influenced by applied current, relative position of anode & work piece, bath solution composition & concentration, temperature. The present work is focused on design & development of fixtures for holding anode with a view to produce uniform coating on internal surface of work piece made out of 17-4-PH steel. The plating was carried out with and without concentric position of anode. The quality of coating in respect of uniformity was assessed by measuring coating thickness. The results show that the uniformity in coating is achieved by the use of fixture for concentric position of anode.

References