Importance

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Abstract

A forge bonding machine includes: a supporting body supporting a lower-surface side of bonding portion of members to be bonded in a state where the members are layered; a pressurizing body applying pressure on an upper-surface side of the bonding portion in the state where the members are layered; a stroke controller controlling a gap between the supporting and the pressurizing bodies; and a heater raising a temperature of the bonding portion to a predetermined temperature range by directly or indirectly coming into contact with the members, in which the stroke controller controls a reduction ratio R (T₀/T₁) that represents a ratio of a thickness T₀ of the bonding portion before bonding to a thickness T₁ after the bonding, and the supporting body or/and the pressurizing body comprise a rod controlled in terms of stroke toward the bonding portions by a displacement meter or a stopper.

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First Claim