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序号	专利名	申请号	申请日	公开（公告）号	公开（公告）日	发明人
181	METHOD OF CONTROLLING LASER BEAM PREHEATING TEMPERATURE OF SURFACE OF WORKPIECE	US13915900	2013-06-12	US20140371900A1	2014-12-18	Choon-Man Lee; Dong-Hyeon Kim
Disclosed is a method for, when a surface of a workpiece is preheated with a laser beam during milling, calculating an optimum preheating temperature according to a type of the workpiece and controlling a surface preheating temperature. The method includes: a processing condition inputting step; a matching step; a loading step; a preheating step; a measuring step; a comparing step; an ending step; a lower limit determining step; an output increasing step; and an output decreasing step.
182	Control valve having parallel diversionary slots interconnected by flow selective control orifices	US945520	1992-09-16	US5255715A	1993-10-26	Edward H. Phillips
An improved open-center improved valving sub-assembly of the type used for power steering systems for motor vehicles is disclosed. In particular, the improved open-center improved valving sub-assembly has a valve spool member with first and second sets of input slots and first and second sets of return slots, and a valve sleeve member with output slots and diversionary slots wherein only the output slots are coupled to a power cylinder member of a host power steering system. The output slots are linked fluidically to the first sets of input and return slots by input and return flow control orifices each comprising overlapping tangentially disposed areas therebetween. The diversionary slots are linked fluidically to the second sets of input and return slots by input and return flow selective control orifices each comprising overlapping tangentially disposed areas therebetween. The input and return flow selective control orifices are tangentially shorter in length than the input and return flow control orifices whereby corresponding sets of the input and return flow selective control orifices close before corresponding sets of the input and return flow control orifices as the valve spool member is moved rotationally with respect to the valve sleeve member.
183	X-Z-Theta cutting method	US713209	1991-06-11	US5178498A	1993-01-12	Lothar F. Bieg
A method for machining a workpiece. The method includes the use of a rotary cutting tool mounted on the end of a movable arm. The arm is adapted to move in a plane perpendicular to the axis of rotation of the cutting tool. The cutting tool has cutting teeth to cut chips of material off of the workpiece in a predetermined size and shape to facilitate better removal of the chips from the workpiece. The teeth can be of different type and length to permit the tool to both rough cut and finish cut the workpiece during machining. The total depth of cut is divided by the number of tool teeth, so that the longest tool always performs the finishing cut.
184	Method and apparatus for forming an incomplete hole in a workpiece	US277800	1988-11-30	US5069093A	1991-12-03	Charles W. Carswell
A method and apparatus for removing metal from a workpiece so as to form an incomplete hole therein is disclosed. The tool includes a shank having a plurality of cutting inserts adjustably attached to one end thereof. The cutting inserts are axially spaced apart from one another along the tool shank by a predetermined distance which is greater than the thickness of the workpiece. The first cutting insert functions as a drill or end mill to form a rough incomplete hole through the workpiece, while the second cutting insert functions as a boring tool to finish the incomplete hole. An opposite end of the tool shank is retained within a bore formed in a tool holder. The tool holder is supported within a conventional rotational means, such as a lathe. Both the opposite end of the tool shank and the bore formed in the tool holder are formed eccentrically to provide maximum flexibility in adjusting the rotational axis of the cutting inserts and, therefore, the diameter of the incomplete hole being formed.
185	Machine tool equipped with a magazine	US511686	1974-10-03	US4050354A	1977-09-27	Hans Kuhnert
A machine tool equipped with a magazine and a guide drum which is disposed alongside the magazine. A tracer is mounted on the guide drum and is movable in a three coordinate system and the magazine contains tools which are also movable in a three coordinate system and in a direct ratio to the movement of the tracer. The tracer, which is attached to the guide drum, follows the profile or contour of a master or pattern and the compound motion is transmitted to the magazine containing the tools. Therefore, the tools are moved in the same way as the tracer so that the master or pattern is thus reproduced.
186	Machining process	US3749625D	1971-08-12	US3749625A	1973-07-31	BERG R
A plurality of substantially planar members and a plurality of generally planar spacers are laminated to each other in an alternating relationship by a thermoplastic bonding agent. A rotatable milling cutter with a plurality of axially spaced and axially extending cutting degrees along the rotational axis is positioned with this axis normal to the planar members. The cutting edges are out of square relative to a plane normal to the rotational axis and are respectively aligned with the planar members. The milling cutter is rotated and moved relative to the planer members to respectively engage the cutting edges with the planar members and simultaneously machine the edges of the planar members out of square. The laminated spacers and machined planar members are heated to allow separation of the planar members from the spacers and from each other.
187	Modular milling machine	US3741673D	1971-04-21	US3741673A	1973-06-26	JACKSON W; BUSBY H
A modular design of a milling machine structure to permit either a vertical spindle arrangement or a horizontal spindle arrangement to be provided from the same basic structural units or modules. Thus, the same base, column, knee and spindle carrier can be employed in either a vertical or horizontal spindle machine, the former additionally including a head member.
188	Guide pulley and a method for the production thereof	US3640143D	1970-03-10	US3640143A	1972-02-08	KROHN-HOLM DANCKERT
A guide pulley having a guiding groove shaped substantially as a hyperbolic body of rotation and the body guided thereby has at least a semicircular cross section rectilinearly moved at an acute angle to the pulley axis of rotation.
189	Method for machining a gas permeable material	US3465481D	1966-07-06	US3465481A	1969-09-09	SZWARCMAN MIECZYSLAW

190	Valve member having plural flow openings	US3457954D	1966-05-12	US3457954A	1969-07-29	NYBERG CARL

191	Method of making hour symbols for timepiece dials	US40329664	1964-10-12	US3287798A	1966-11-29	PIERRE-EDOUARD BEYELER; MAURICE BEYELER JEAN

192	Machine tool	US16214861	1961-12-26	US3232141A	1966-02-01	SWANSON FRED R; ERIKSON CARL F

193	Routershaper	US82656159	1959-07-13	US3140640A	1964-07-14	EGGER EDWIN F

194	Milling machine	US81283659	1959-05-13	US3076388A	1963-02-05	DE VLIEG HOWARD R

195	Index type multiple spindle pantograph machine	US48499255	1955-01-31	US3023676A	1962-03-06	GUNDERSON ALLEN D

196	Program control system	US60794856	1956-09-04	US3016804A	1962-01-16	FRANK ZANKL; OSBURN JOHN G

197	Milling machine cutter	US83380059	1959-08-14	US3001456A	1961-09-26	BOBER HENRY C; BOBER CHARLES A

198	Adjustment of machine parts	US49913255	1955-04-04	US2901947A	1959-09-01	GILBERT WANINGER; KARL ENGEL

199	Milling machine attachment	US74853647	1947-05-16	US2519206A	1950-08-15	AUSDALL CARL VAN

200	Method of and apparatus for production of metal powder by end milling of ingots	US55963844	1944-10-20	US2497738A	1950-02-14	PAUL WILLIAM W; HOMMEL ERNEST M

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