The special broaching machine for connecting rod is mainly used for broaching connecting rod joint surface, tooth surface,convex and groove,heavy surface removal, semi-circular arc and other positions. The positioning of connecting rod mainly adopts the way of two sides and one pin, while the positioning of cover adopts the device of face positoning and swing arm alignment. The fixture is a Cluster fixture structure, which adopts hydraulic control and can realize multi-station broaching at thesame time with high working efficiency.
The special broaching machine for the main bearing cover is mainly used to process the main bearing cover on the cylinder block.The machine tool is of single or double slide structure. Within the range of nominal pulling force and the length of slidestroke, two large planes, joint planes, arc planes and bolt planes of the bearing cover can be broached to realize simultaneous multi-station processing, which greatly improves the working efficiency.
The machine tool is driven by hydraulic system, which works smoothly and can speed steplessly.And there are various safety devices, after years of experience, in the design of cutting tools, the broach on this machine tool is a combination of lloy broach, its broaching method is front rough cutting, rear precision cutting, to ensure the surface roughness requirements of the workpiece. The front of broach is equipped with tool protection device.When the broaching amount is larger than the allowable amount of the tool, the machine can not broach. The processing position is equipped with air-tight detection device, which can effectively control the processing risk of the machine tool.
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