Hydraulic valve (Cross hole)

Before
Tool

Rubber wheel, carbide rotary bar on the rotating tool

Problem

The shape of edge was damaged and secondary burrs generated by deburring.

After
Tool

XEBEC Stone Flexible Shaft Type (CH-PM-5B)

Result

Allows the tool to contact with bending the shaft softly (displacement of bending = 0.5mm approximately).
Enables to remove the burrs only with keeping the shape of the edge.
Achieved good processing efficiency. The process used to cause tiredness for workers due to the long and narrow shape of workpiece.

Workpiece information
Industry

General Machinery

Part name

Hydraulic valve (Cross hole)

Material type

Steel-based

Machining process

Drilling

Processing conditions
Tool

XEBEC Stone Flexible Shaft Type (CH-PM-5R-C01)

Details of processing

Cross hole (blind hole) deburring after drilling process

Spindle speed (min⁻¹)

5000-8000

Table feed (mm/min)

Depth of cut (mm)

0.5

Machining time (sec)

XEBEC Stone™ Flexible Shaft

Flexible spring steel shaft allows soft contact with a workpiece and decreased vibration during process.

Ideal for deburring the front and back of a drilled hole both

→Details



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