Patent ID: 9724754
Date: 2017-08-08
CPC Classifications: B22C,B22D,F16D

Claim:
1. An aluminum brake caliper manufacturing method using die casting for manufacturing an aluminum brake caliper provided with opposing portions opposed to each other with a hollow portion forming a disc housing space interposed in between, and connecting portions connecting the opposing portions at two sides thereof, wherein a cylinder forming portion made from a through-hole into which to slidably insert and fit a piston is provided in one of the opposing portions, an another cylinder forming portion made from a recessed portion is provided in a part of the other opposing portion which is opposed to the cylinder forming portion, and the through-hole and the recessed portion are formed by use of a core, the method comprising: performing die casting by pouring molten metal of an aluminum alloy from a gate for the molten metal formed in the opposing portion including the recessed portion via the connecting portions and a bridge connecting the two opposing portions; and removing the bridge.