To set up a mini chrome plating plant in the material science laboratory / Razali Abd. Ghani and Mohd. Ramli Hasan

Abd. Ghani, Razali and Hasan, Mohd. Ramli (1986) To set up a mini chrome plating plant in the material science laboratory / Razali Abd. Ghani and Mohd. Ramli Hasan. [Student Project] (Unpublished)


Before setting up a chromium plating plant, it is necessary to study and analyse thoroughly the various process stages involved, for which each stage has different operating conditions to be employed. The important factors in setting up the plant are D.C. power sources available, tank material, tank capacity, current density and operating temperature limitations, and the cost. Close attention should be put on each process stage because various problems may arise if the operating procedures and conditions no as established. Analysis has been made in details for setting up the plant as well as the processes and conditions involved during operation. Methods of stripping of defective electrodeposits and procedures in preparing the baths or solutions have been outlined. There are seven tanks made of perspex or acrylic sheet, each 3 mm. in thickness and 20 by 20 by 65 cm. in dimensions used in the plant. Each tank contains three sections for which one section (20 by 20 by 25 cm.) used for baths or solutions while the other two for rinsing purposes. A 10V, 0-1OA rectifier has been used in the plant as D.C. power source. A 1 kW electric immersion heater sheathed in fused quartz is used for heating the baths. Temperature control of the baths is done manually with the aids of thermometer. The cnemical compounds used are of laboratory grade.


Item Type: Student Project
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Abd. Ghani, Razali
Hasan, Mohd. Ramli
Subjects: T Technology > TS Manufactures > Production management. Operations management
Divisions: Universiti Teknologi MARA, Shah Alam > Faculty of Mechanical Engineering
Keywords: chrome, plating plant, laboratory, DC power
Date: 1986
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