Therefore the amount of clamping force must be at least equal to the amount of injection force. Clamping unit is used to keep the mould shut against the forces developed, when the injection pressure pushes plastic into the closed mould. Īn Injection moulding machine consists of an injection unit, mould unit and a clamping unit. Keywords Surface flatness human work load time consumption manual lapping method pneumatic source oscillating mechanism. We hope that this proposed design will increase the efficacy of lapping process when compared with previously used manual lapping method. A pneumatic source was chosen based on the availability to actuate the oscillating mechanism. In-order to build an automatic lapping system, an oscillating mechanism was designed to limit the rotation of the Flapper Valve over the Ram cylinder cover to an angle stated by the end user.
This automatic lapping system was designed in-order to reduce human work load and to lessen the present time consumption in manual lapping process. We present here an automatic lapping system which was designed for achieving surface flatness and air tight seal between the Flapper Valve and Ram cylinder cover, that builds up pressure in the clamping unit of an injection moulding machine. Loyola-ICAM College of Engineering and Technology (LICET), Chennai, IndiaĪssistant Professor, Department of Mechanical Engineering,ĪbstractIndustry 4.0 aims at automation of manufacturing processes in order to facilitate high production rate of good quality products. Process Improvement in Manual Lapping Process
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