Electrical Moulding
Life in this 21st century hardly has a situation which does not involve the use of electrical components. Developments happening in the field of computers and other electronic devices demand production of more durable but cheap electrical parts. Therefore, it is necessary that electrical parts are to be cheaper, weightless, and durable. This resulted in the use of plastic parts instead of metal in electronic devices. Through this article we will discuss some of the advantages of using plastic electrical parts moulds and some of the products which are offered in the market.
Moulded electrical components are used in such products like circuit breakers, switch covers, light bulb sockets, motor starters etc. Many more products come under this category and most of them are moulded using plastic components. Plastic electrical parts mould is considered superior to metal parts. Metal parts tend to become corrosive over time and will be in need to be replaced. This additional expense is more than what is needed for replacing a plastic electrical part.
Multiple insert moulds are integrated in the mould for electrical components and these are to be manufactured with tight dimensional clearance. While manufacturing such products, tolerance held is just thousandths of a centimeter. It is often directed to perform selective plating to accommodate good fitting. This asks for an evenly distributed flash of nickel, this heavier deposit on the plastic mould adjusts the size without compensating with the integrity of the product. Therefore, a new high-tech plastic has been developed by many manufactures.
This new high tech engineering plastics require very high mould temperatures for working of it with the process of injection moulding. Conventional plastic moulds are unable to withstand such extreme conditions on a long term basis. The seals become brittle and can leak relatively quicker. At present some companies have developed plastic electrical parts which can withstand temperature of 250 degree centigrade. This solves one of the main arguments against using plastic electrical parts.
Traceability and accountability of mould parts has become a major concern for those who are using custom built electrical moulds. Such a date stamp is needed by those who are relying on massive shipments of electrical components. If the material used is plastic, it allocates easy designing for incorporation of the date stamp. This method of electronic date system is the next generation in plastic part traceability.
There are many companies located around the world who specialize in manufacturing plastic injection moulded parts for electrical components. They manufacture custom designed devices for the specific needs of the customer.