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Burnishing roller for crankshaft

A technology for polishing rollers and crankshafts, applied in the field of polishing rollers for crankshafts, can solve problems such as damage to the periphery of oil holes and ridges that are easy to fall into the oil holes, and achieve the effect of improving surface properties

Inactive Publication Date: 2012-06-20
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The advantage of the roll polishing tool disclosed in Patent Document 3 is that if, for example, an oil hole is defined in the crankshaft shaft portion (polishing surface), the ridge of the roll polishing tool easily falls into the oil hole when the shaft portion is polished, thereby Damage to the perimeter of the oil hole opening

Method used

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  • Burnishing roller for crankshaft
  • Burnishing roller for crankshaft
  • Burnishing roller for crankshaft

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0040] figure 1 In , reference numeral 10 denotes a crankshaft machining apparatus according to an embodiment of the present invention.

[0041] The crankshaft machining apparatus 10 is mounted on a turret (or a rotating tool base) of a turret lathe (or machining center) controlled by a numerical control system not shown. Crankshaft machining equipment 10 comprises: a first adapter 12a and a second adapter 12b, which can be displaced along the directions of three axes X, Y, and Z perpendicular to each other; a pair of polishing rollers 16a, 16b, which are rotatably supported on the rotating shaft 14 of the first adapter 12a and the second adapter 12b, respectively; ) and holds the workpiece 18 so that the workpiece 18 can be rotated around its own axis by the rotary drive source M.

[0042] The polishing rollers 16a, 16b are arranged opposite to each other linearly perpendicular to the axis of the workpiece 18 across the shaft portion 24 (area to be polished) of the workpiec...

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PUM

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Abstract

A pair of burnishing rollers (16a, 16b) formed in a roughly disk shape are linearly disposed oppositely to each other on both sides of the shaft part (24) of a crankshaft (18). The crankshaft (18) is rotated about its axis by the rotatingly driving action of a rotating driving source (M). The pair of burnishing rollers (16a, 16b) are displaced in a direction apart from each other while the shaft part (24) of the crankshaft (18) is held by the outer peripheral surfaces (20) of the pair of burnishing rollers (16a, 16b) to apply a rolling to the crankshaft.

Description

technical field [0001] The present invention relates to a method and apparatus for machining (processing) a crankshaft used for a vehicle engine, etc. to polish the crankshaft shaft portion, and a method for polishing the crankshaft shaft portion by rolling the outer surface of the crankshaft shaft portion Part of the crankshaft polishing roll. Background technique [0002] Heretofore, it has been known to polish the shaft portion of the crankshaft for an engine in order to increase productivity and improve the surface properties of the shaft portion. [0003] For example, Patent Document 1 discloses a technical idea of ​​making the polishing roll machined surface pressure applied from the polishing roll to the shaft portion smaller at both ends of the polishing roll than at the center thereof, thereby preventing the crankshaft shaft portion from being deformed at both ends. round. [0004] Patent Document 1 discloses a roll polishing apparatus for polishing a crankshaft w...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24B39/04F16C3/06
Inventor 千叶大辅川隅胜之森荣次
Owner HONDA MOTOR CO LTD