# US 8,782,900 B2 · Method of manufacturing rotating device and rotating device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,782,900 B2 - Document ID: US8782900B2 - Status: Granted - Kind: B2 - Application number: 13/190,665 - Filed: 2011-07-26 - Published: 2012-03-01 - Granted: 2014-07-22 - Earliest claimed: 2010-08-26 - Assignees: Samsung Electro-Mechanics Japan Advanced Technology Co., Ltd. - Applicants: Yukihiro Hiramoto; Noboru Masuda - Inventors: Yukihiro Hiramoto; Noboru Masuda - Web page: https://patentgrep.com/patent/US8782900B2 ## CPC - B23P 13/02: in which only the machining operations are important - B23P 15/00: Making specific metal objects by operations not covered by a single other subclass or a group in this subclass - Y10T 29/49025: Making disc drive - Y10T 29/49636: Process for making bearing or component thereof - Y10T 29/49639: Fluid bearing - Y10T 29/49696: Mounting - Y10T 29/49885: with coating before or during assembling - Y10T 29/49996: Successive distinct removal operations - B23P: METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS (arrangements for copying or controlling B23Q) - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract A manufacturing method of a rotating device includes a first machining process of machining a bearing hole while supplying a first cutting lubricant to a base member, a second machining process continuous from the first machining process, the second machining process being of machining a tap hole while supplying a second cutting lubricant to the base member, a blowing process of blowing at least either one of the bearing hole and the tap hole with a fluid in order to eliminate a machining residue, the blowing process including an air spraying process and a liquid spraying process, a cleaning process of cleaning the base member, and an assembling process of assembling the base member with the bearing unit and the rotating body. ## Claims ### Claim 1 A method of manufacturing a rotating device that includes a base member in which a bearing hole and a tap hole are to be formed, a bearing unit to be inserted in the bearing hole, and a rotating body to be supported by the bearing unit, the method comprising: a first machining process of machining the bearing hole while supplying a first cutting lubricant to the base member; a second machining process of machining the tap hole while supplying a second cutting lubricant to the base member, the second machining process being continuous from the first machining process; a blowing process of blowing at least one of the bearing hole and the tap hole with a fluid in order to eliminate a machining residue; a cleaning process of cleaning the base member; and an assembling process of assembling the base member with the bearing unit and the rotating body; wherein the first machining process machines the bearing hole while the base member is individually retained in a container and is conveyed. ### Claim 2 (depends on 1) The method according to claim 1, wherein the second machining process machines the tap hole while the base member is individually conveyed. ### Claim 3 (depends on 1) The method according to claim 1, wherein the second machining process is executed while a moistening of the first cutting lubricant adhered to the base member after a machining through the first machining process is equal to or higher than a predetermined reference value. ### Claim 4 (depends on 1) The method according to claim 1, further comprising a moistening process of increasing at least one of a moistening of the first cutting lubricant adhered to the base member after a machining through the first machining process and a moistening of the second cutting lubricant adhered to the base member after a machining through the second machining process. ### Claim 5 (depends on 1) The method according to claim 1, wherein the blowing process blows a fluid in different directions from a plurality of nozzles. ### Claim 6 (depends on 1) The method according to claim 1, wherein in the cleaning process, cleaning is carried out with a plurality of base members being mounted on respective support tables attached to a conveyance mechanism at a predetermined interval. ### Claim 7 (depends on 6) The method according to claim 6, wherein each of the respective support tables is provided with a bridge portion forming a space between an inner bottom face of the support table and a supported face of the base member at a location avoiding one of the bearing hole and the tap hole to be formed with the base member being mounted on the support table. ### Claim 8 (depends on 1) The method according to claim 1, wherein the first machining process, the second machining process, the blowing process, and the cleaning process are successively carried out while the base member is individually conveyed therethrough. ### Claim 9 (depends on 1) The method according to claim 1, further comprising an airtightness measuring process of inspecting an airtightness of the base member after the cleaning process, wherein the airtightness measuring process is executed in a same area as an area of one of the cleaning process and the assembling process. ### Claim 10 A method of manufacturing a rotating device that includes a base member in which a bearing hole and a tap hole are to be formed, a bearing unit to be inserted in the bearing hole, and a rotating body to be supported by the bearing unit, the method comprising: a first machining process of machining the bearing hole while supplying a first cutting lubricant to the base member; a second machining process of machining the tap hole while supplying a second cutting lubricant to the base member, the second machining process being continuous from the first machining process; a blowing process of blowing at least one of the bearing hole and the tap hole with a fluid in order to eliminate a machining residue; a cleaning process of cleaning the base member; and an assembling process of assembling the base member with the bearing unit and the rotating body; wherein the second machining process is executed while a moistening of the first cutting lubricant adhered to the base member after a machining through the first machining process is equal to or higher than a predetermined reference value. ### Claim 11 (depends on 10) The method according to claim 10, wherein the second machining process machines the tap hole while the base member is individually conveyed. ### Claim 12 (depends on 10) The method according to claim 10, further comprising a moistening process of increasing at least one of a moistening of the first cutting lubricant adhered to the base member after a machining through the first machining process and a moistening of the second cutting lubricant adhered to the base member after a machining through the second machining process. ### Claim 13 (depends on 10) The method according to claim 10, wherein the blowing process blows a fluid in different directions from a plurality of nozzles. ### Claim 14 (depends on 10) The method according to claim 10, wherein in the cleaning process, cleaning is carried out with a plurality of base members being mounted on respective support tables attached to a conveyance mechanism at a predetermined interval. ### Claim 15 (depends on 10) The method according to claim 10, wherein the second machining process is executed within ten minutes after a machining through the first machining process. ### Claim 16 A method of manufacturing a rotating device that includes a base member in which a bearing hole and a tap hole are to be formed, a bearing unit to be inserted in the bearing hole, and a rotating body to be supported by the bearing unit, the method comprising: a first machining process of machining the bearing hole while supplying a first cutting lubricant to the base member; a second machining process of machining the tap hole while supplying a second cutting lubricant to the base member, the second machining process being continuous from the first machining process; a moistening process of increasing at least one of a moistening of the first cutting lubricant adhered to the base member after a machining through the first machining process and a moistening of the second cutting lubricant adhered to the base member after a machining through the second machining process; a blowing process of blowing at least one of the bearing hole and the tap hole with a fluid in order to eliminate a machining residue; a cleaning process of cleaning the base member; and an assembling process of assembling the base member with the bearing unit and the rotating body. ### Claim 17 (depends on 16) The method according to claim 16, wherein the second machining process machines the tap hole while the base member is individually conveyed. ### Claim 18 (depends on 16) The method according to claim 16, wherein the blowing process blows a fluid in different directions from a plurality of nozzles. ### Claim 19 (depends on 16) The method according to claim 16, wherein in the cleaning process, cleaning is carried out with a plurality of base members being mounted on respective support tables attached to a conveyance mechanism at a predetermined interval. ### Claim 20 (depends on 16) The method according to claim 16, wherein the first machining process, the second machining process, the blowing process, and the cleaning process are successively carried out while the base member is individually conveyed therethrough.