MOULDING TOOL AND METHOD FOR POWDER INJECTION MOULDING A CEMENTED CARBIDE OR CERMET COMPONENT

摘要

A moulding tool for powder injection moulding a cemented carbide or cermet component includes a through hole. The mouulding tool further includes at least a first and a second tool part arranged to define at least one mould cavity for forming a component. At least one inlet channel introduces moulding material into the mould cavity. The inlet channel extends through the first tool part to the mould cavity, and has an outlet end having an outlet opening for discharging moulding material from the inlet channel into the mould cavity. At least one core forms a through hole in the component, the core having an end and being arranged to extend into the mould cavity along a longitudinal axis (X) in a direction towards the outlet opening of the inlet channel. The end of the core is arranged to close the outlet opening of the inlet channel and the core is arranged movably along the longitudinal axis (X) such that the end of the core may engage with the outlet opening of the inlet channel.

主权项

1. A moulding tool for powder injection moulding a cemented carbide or cermet component, said moulding tool comprising;
at least a first and a second tool part arranged to define at least one mould cavity for forming a component; at least one inlet channel for introducing moulding material into the at least one mould cavity, said inlet channel extending through the first tool part to the mould cavity, the at least one inlet channel including an outlet end having an outlet opening for discharging moulding material from the inlet channel into the mould cavity; and at least one core for forming a through hole in the component, said core having an end and being arranged to extend into the mould cavity along a longitudinal axis in a direction towards the outlet opening of the inlet channel, the end of the core being arranged to close the outlet opening of the inlet channel and that the core is arranged movable along the longitudinal axis such that the end of the core may engage with the outlet opening of the inlet channel.