Patent ID: 6315636
Filing Date: 2001-11-13
Classification: B24B,G11B

Abstract:
A lapping machine for lapping a row bar for obtaining a plurality of head sliders, comprising:a lap plate for providing a lapping surface;a row tool having a work surface for pressing said row bar against said lapping surface; anda mechanism for operating said row tool so that a given pressure distribution is produced between said row bar and said lapping surface;said row tool having a plurality of holes arranged along said work surface;said mechanism including a plurality of pivoted links each having a load point where a force having a direction perpendicular to said work surface is applied to said row tool in each of said holes;each of said pivoted links further having a support point as the fulcrum and an effort point where a force having a direction substantially parallel to said work surface is received;the ratio of a first distance between said load point and said support point to a second distance between said effort point and said support point being substantially constant.