公开(公告)号：US5839944A

公开(公告)日：1998-11-24

申请号：US891763

申请日：1997-07-14

Applicant: Stephen David Jacobs ,  William Kordonski ,  Igor Victorovich Prokhorov ,  Donald Golini ,  Gennadii Rafailovich Gorodkin ,  Tvasta David Strafford

Inventor： Stephen David Jacobs ,  William Kordonski ,  Igor Victorovich Prokhorov ,  Donald Golini ,  Gennadii Rafailovich Gorodkin ,  Tvasta David Strafford

IPC: B24B1/00 ,  B24B9/14 ,  B24B31/112 ,  H01F1/44 ,  B24B49/00

CPC classification number: B24B31/112 ,  B24B1/005 ,  B24B9/14 ,  H01F1/447

Abstract: A method and apparatus for finishing a workpiece surface using MR fluid is provided wherein the workpiece is positioned near a carrier surface such that a converging gap is defined between a portion of the workpiece surface and the carrier surface; a magnetic field is applied substantially at said gap; a flow of stiffened MR fluid is introduced into said converging gap such that a work zone is created in the MR fluid to form a sub-aperture transient finishing tool for engaging and causing material removal at the portion of the workpiece surface; and the workpiece or the work zone is moved relative to the other to expose different portions of the workpiece surface to the work zone for predetermined time periods to selectively finish said portions of said workpiece surface to predetermined degrees.

Abstract translation: 提供了一种使用MR流体来完成工件表面的方法和装置，其中工件位于载体表面附近，使得在工件表面的一部分和载体表面之间限定会聚间隙; 基本上在所述间隙施加磁场; 加强的MR流体的流动被引入所述会聚间隙中，使得在MR流体中产生工作区以形成用于在工件表面的部分处接合和引起材料去除的子孔径瞬时精加工工具; 并且工件或工作区相对于另一工件移动，以将工件表面的不同部分暴露于工作区预定的时间段，以选择性地将所述工件表面的所述部分完成预定的程度。

公开(公告)号：US5795212A

公开(公告)日：1998-08-18

申请号：US543426

申请日：1995-10-16

Applicant: Stephen David Jacobs ,  William Kordonski ,  Igor Victorovich Prokhorov ,  Donald Golini ,  Gennadii Rafailovich Gorodkin ,  Tvasta David Strafford

Inventor： Stephen David Jacobs ,  William Kordonski ,  Igor Victorovich Prokhorov ,  Donald Golini ,  Gennadii Rafailovich Gorodkin ,  Tvasta David Strafford

IPC: B24B1/00 ,  B24B9/14 ,  B24B31/112 ,  H01F1/44

CPC classification number: B24B31/112 ,  B24B1/005 ,  B24B9/14 ,  H01F1/447

Abstract: A method and apparatus for finishing a workpiece surface using MR fluid is provided wherein the workpiece is positioned near a carrier surface such that a converging gap is defined between a portion of the workpiece surface and the carrier surface; a magnetic field is applied substantially at said gap; a flow of stiffened MR fluid is introduced into said converging gap such that a work zone is created in the MR fluid to form a sub-aperture transient finishing tool for engaging and causing material removal at the portion of the workpiece surface; and the workpiece or the work zone is moved relative to the other to expose different portions of the workpiece surface to the work zone for predetermined time periods to selectively finish said portions of said workpiece surface to predetermined degrees.

公开(公告)号：US6106380A

公开(公告)日：2000-08-22

申请号：US26101

申请日：1998-02-19

Applicant: Stephen David Jacobs ,  William Kordonski ,  Igor Victorovich Prokhorov ,  Donald Golini ,  Gennadii Rafailovich Gorodkin ,  Tvasta David Strafford

Inventor： Stephen David Jacobs ,  William Kordonski ,  Igor Victorovich Prokhorov ,  Donald Golini ,  Gennadii Rafailovich Gorodkin ,  Tvasta David Strafford

IPC: B24B1/00 ,  B24B9/14 ,  B24B31/112 ,  H01F1/44

CPC classification number: B24B31/112 ,  B24B1/005 ,  B24B9/14 ,  H01F1/447

Abstract: A method and apparatus for finishing a workpiece surface using MR fluid is provided wherein the workpiece is positioned near a carrier surface such that a converging gap is defined between a portion of the workpiece surface and the carrier surface; a magnetic field is applied substantially at said gap; a flow of stiffened MR fluid is introduced into said converging gap such that a work zone is created in the MR fluid to form a sub-aperture transient finishing tool for engaging and causing material removal at the portion of the workpiece surface; and the workpiece or the work zone is moved relative to the other to expose different portions of the workpiece surface to the work zone for predetermined time periods to selectively finish said portions of said workpiece surface to predetermined degrees.

Abstract translation: 提供了一种使用MR流体来完成工件表面的方法和装置，其中工件位于载体表面附近，使得在工件表面的一部分和载体表面之间限定会聚间隙; 基本上在所述间隙施加磁场; 加强的MR流体的流动被引入所述会聚间隙中，使得在MR流体中产生工作区以形成用于在工件表面的部分处接合和引起材料去除的子孔径瞬时精加工工具; 并且工件或工作区相对于另一工件移动，以将工件表面的不同部分暴露于工作区预定的时间段，以选择性地将所述工件表面的所述部分完成预定的程度。

公开(公告)号：US5804095A

公开(公告)日：1998-09-08

申请号：US761994

申请日：1996-12-12

Applicant: Stephen David Jacobs ,  William Kordonski ,  Igor Victorovich Prokhorov ,  Donald Golini ,  Gennadii Rafailovich Gorodkin ,  Tvasta David Strafford

Inventor： Stephen David Jacobs ,  William Kordonski ,  Igor Victorovich Prokhorov ,  Donald Golini ,  Gennadii Rafailovich Gorodkin ,  Tvasta David Strafford

IPC: B24B1/00 ,  B24B9/14 ,  B24B31/112 ,  H01F1/44 ,  H01F1/02

CPC classification number: B24B31/112 ,  B24B1/005 ,  B24B9/14 ,  H01F1/447

Abstract: A magnetorheological fluid comprises non-colloidal magnetic particles, an abrasive, water, glycerol, and an alkaline buffer. The abrasive may be CeO.sub.2, the non-colloidal magnetic particles may be carbonyl iron, and the alkaline buffer may be Na.sub.2 CO.sub.3. The fluid is useful for magnetorheological finishing.

Abstract translation: 磁流变流体包含非胶体磁性颗粒，磨料，水，甘油和碱性缓冲液。 研磨剂可以是CeO 2，非胶体磁性颗粒可以是羰基铁，碱性缓冲液可以是Na 2 CO 3。 该流体可用于磁流变整理。