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WO/2012/008356A1 |
Disclosed is a centerless grinding machine that can simplify the setting and adjustment of an adjustable wheel made in accordance with the external diameter of a grinding wheel (1), the external diameter of the adjustable wheel (2), and ...
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WO/2012/003828A1 |
An abrasion arrangement is disclosed to abrade a surface of an item, the arrangement comprising a multiple axis robotic arm having at least five axes, an abrading cylinder mounted on the robotic arm and comprising abrasive means which co...
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WO/2011/142159A1 |
Provided is a wafer chamfering device such that wafers are chamfered in parallel on a plurality of processing tables, that the throughput is improved, and that the total number of grindstones is restricted, resulting in the cost and the ...
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WO/2011/101464A1 |
The present invention is directed to a floor-treating machine, comprising: a frame (70), a housing (62) attached to the frame (70) and rotatable about a substantially vertical axis, one or more heads (64) mounted in the housing (62) and ...
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WO/2011/092745A1 |
A reciprocating linear movement device is equipped with a slider drive means (17) which assures the reciprocating movement of a slider (16) which can move along the guide surface (15a) of a guide member (15) having a guide surface (15a) ...
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WO/2011/061022A1 |
The invention relates to a motor-, in particular electromotor-driven angle grinder (4), having a motor housing (18) receiving the motorized components and a transmission housing (14) receiving a transmission component, having a motor sha...
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WO/2011/061765A1 |
A smoothing-polishing machine is described, for slab-type products (100) made of stone material, such as marble, granite, agglomerate and the like, which comprises at least two operating heads (1) with vertical axis, assembled and radial...
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WO/2011/052267A1 |
Disclosed is a low-cost polishing device provided with: a high polishing ability for eliminating microfissures that exist on the surface of a polygonal column shape comprising a hard material; and a fine polishing ability that eliminates...
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WO/2011/048950A1 |
For example, in the case of a speed reduction gear train for a disk grinder, there was a problem with a shock absorbing mechanism for absorbing gear engagement shocks generated by starting or stopping of an electric motor, this problem b...
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WO/2011/045285A1 |
The invention relates to a device for surface treating, in particular for polishing, grinding, or the like, workpieces (5), comprising at least one working container (1) for receiving one or more workpieces (5) to be machined and for aux...
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WO/2011/030866A1 |
A control unit (72) causes a headstock (20), a tailstock (30), and a tool (43) to make relative movements, thereby machining the peripheral surface of a workpiece (W) in the radial direction. This control unit (72) performs control in su...
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WO/2011/027505A1 |
A grinder for an ingot is provided with a grinding means for performing traverse grinding by bringing a rough grinding wheel for rough grinding and a precise grinding wheel for precise grinding which is arranged inside of the rough grind...
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WO/2011/016118A1 |
Disclosed is a grinding device which can perform high-precision end surface grinding with a good work efficiency by a simple constitution. The grinding device can perform fixed-quantity processing (S102-S112) when a control unit (301) an...
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WO/2010/117151A9 |
The present invention relates to a hand grinder, and more particularly, to a multidirectional bendable hand grinder which can freely switch the power transmission direction in a refractive manner in order to establish various workpiece s...
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WO/2010/140595A1 |
A method for grinding a plate-like body by means of a rotating grinding tool while moving the plate-like body in a predetermined direction, wherein the direction of rotation of the grinding tool is reversed with a predetermined timing.
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WO/2010/131610A1 |
Disclosed is a method for setting a working position of a grindstone for grinding a glass end face with respect to an end face of a glass plate in a machining device for grinding an end face of a glass plate by pressing a rotating grinds...
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WO/2010/119466A1 |
Machine for working the surface of ceramic products and relevant work head, wherein the head (7) exhibits a support frame (10) having a substantially box-like shape/ at least one work tool (11) is associated with said frame (10) and proj...
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WO/2010/087235A1 |
An electric power tool includes a housing, a brushless motor, an output shaft, and a motor driver circuit. The housing defines an axial direction. The brushless motor is accommodated in the housing and having a drive shaft. The output sh...
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WO/2010/072749A1 |
The invention relates to a method of manufacturing an optical lens (10), the method comprising the steps of blocking a lens member at a first positioning on a blocker (20); determining the first positioning of the lens member with respec...
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WO/2010/072168A1 |
An electric grinder comprises a housing(1), an output shaft (2) and a drive mechanism fixed to the housing, wherein the output shaft comprising a first end (21) and a second end (22) is mounted rotatablely inside the housing, the drive m...
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WO/2010/039080A1 |
A speed control device for a pneumatic power tool (1) which includes a housing (2) with a pressure air inlet (7), an output spindle, an air turbine with a turbine wheel (19) drivingly connected to the output spindle, wherein a plurality ...
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WO/2009/155636A1 |
A finishing machine comprises a motor mounted on a support frame and connected to a drive shaft and two or more finishing heads and an impeller fan driven by the drive shaft via a serpentine belt drive which rotates the finishing heads i...
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WO/2009/090936A1 |
A seat can be processed by a simple configuration without requiring an axis dedicated to oscillation. A first slide section (101) can reciprocate in the X-axis direction, a second slide section (102) can reciprocate in the Z-axis directi...
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WO/2009/090551A1 |
Head for the treatment of stone and ceramic material, characterized in that it comprises a main casing (3), at least a first tool (36) able to rotate, at least a second tool (37) able to oscillate, first transmission means (38) to drive ...
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WO/2009/086619A1 |
A muffler for mounting to a handheld pneumatic tool, such as a die grinder. The muffler comprises a hollow open-ended casing having an inner wall lined with a thick layer of an insulating material. The muffler is sleeve mounted about a c...
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WO/2009/081747A1 |
A dicing apparatus in one mode of this invention is provided with a work table for placing a work; a machining means for machining the work; a moving means for relatively moving the work table with the machining means; an imaging means w...
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WO/2009/081746A1 |
A dicing apparatus in one embodiment of this invention is provided with a work table for placing a work; a processing means for processing the work; an imaging means for picking up an image of the work on the work table; a plurality of m...
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WO/2009/071771A2 |
The invention relates to a device (1) for correcting the edging of a bevelled ophthalmic lens (100). It comprises a frame (2), a machining tool (7) mounted rotatably on the frame, a lens holder (10) equipped with means for clamping and t...
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WO/2009/068441A1 |
The invention relates to a method for producing a gear rack, particularly for a steering system in a vehicle, wherein a running surface is ground onto the gear rack by a grinding disc. The gear rack executes an axially oscillating motion...
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WO/2009/066312A1 |
The present invention provides a polishing mill comprising a spindle having a scaife for polishing gemstones and a motor having a hollow shaft wherein said spindle passes through or in the said hollow shaft coaxially.
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WO/2009/066628A1 |
A grinding device which is made compact while enhancing the machining precision. A bed (1) comprises a first slide section (101) arranged to reciprocate on a line in the horizontal direction, a second slide section (102) mounted on the f...
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WO/2009/052795A2 |
The invention relates to a machine tool, in particular a hand-held grinder (1), comprising a drive unit (2) and a tool (3), wherein connecting means are provided for connecting the tool (3) and the drive unit (2). The invention also rela...
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WO/2009/043229A1 |
A grinding and polishing machine includes a housing (12), an eccentric rotating mechanism, a reciprocating linear movement mechanism and a fixture (9). A rotating shaft (6) is provided at the first end of the eccentric structure of the e...
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WO/2009/043228A1 |
A grinding and polishing machine includes a housing, an eccentric rotating mechanism, a reciprocating linear movement mechanism and a fixture (9). The eccentric rotating mechanism mainly consists of a crank (2). The crank (2) is constitu...
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WO/2009/013295A1 |
The invention relates to a grinding center for the simultaneous grinding of a plurality of main and rod bearings and/or central and end-side sections of crankshafts (22). Two main bearing grinding spindles (14, 15), of which the first is...
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WO/2008/109530A1 |
Disclosed are a computer numerically controlled machine and methods for forming, grinding, or dressing cutting tools in a computer numerically controlled machine. In some embodiments, the computer numerically controlled machine is provid...
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WO/2008/062280A2 |
A circular abrasive disc support has a center. The disc support also includes a mount for mounting the support to a rotating drive. The mount is offset from the center to provide an offset connection to the rotating drive. An abrasive on...
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WO/2008/032152A1 |
A rotary diamond cutting machine (1) is provided comprising a base (2) supporting a rotatable driven shaft (4) by way of at least one bearing (5) and wherein the shaft has a flange assembly (8) for mounting a working disc (9) thereto so ...
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WO/2008/014806A1 |
The invention relates to a hand-operated electric tool, in particular an angle polisher or surface grinder for stone, wood or other materials, comprising a motor housing (1) and a gearcase (2), wherein an electric drive motor (3) having ...
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WO/2007/149705A2 |
Edge modifying apparatuses that include a disc chuck, a disc edge modifying unit having an abrasive article support, and a uniform velocity linear oscillation driver coupled to at least one of the disc chuck and the abrasive article supp...
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WO/2007/132079A1 |
The invention concerns an ophthalmic lens machining tool comprising a fixed frame, a train of rotary grinding wheels (5), a lens holder (9), and a pair of followers (20A, 20B). Said calibrating method includes a process of determining th...
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WO/2007/113510A1 |
The present invention relates to a tool holding rig (1) for use in sharpening tools and blades (28) using a bench grinder (30). The tool holding rig (1) comprises a complete power tool which is powered separately from the bench grinder (...
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WO/2007/089039A1 |
The power tool comprises: an electric motor 1; a drive shaft 2, to which the driving force of the electric motor 1 is transmitted; a drive gear 4 mounted on the drive shaft 2; a driven gear 5 for meshing with the drive gear 4; an output ...
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WO2007060329B1 |
The invention relates to a method for trimming an ophthalmic lens, consisting in rotating the lens about a first axis (A2) of rotation and machining the edge of the lens using a bevelling cutter or grinding wheel which is provided with a...
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WO/2007/080699A1 |
Intended to reduce the influences of noises at the output of an AE sensor in a working machine. A working system comprises a working device for performing a working operation by bringing a tool (14) into contact with a workpiece (W), an ...
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WO/2007/073309A1 |
A vibration device for a super finishing apparatus for super finishing a mechanical object is disclosed. It comprises at least two sliding means (1, 3), each comprising a guide (5, 7) and an element (9, 11) provided with a through hole (...
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WO/2007/065981A2 |
The invention relates to a method for auto-calibrating a device for trimming ophthalmic lenses. The inventive method comprises the following steps which are performed after an ophthalmic lens (L1) has been trimmed using the trimming devi...
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WO/2007/060304A2 |
The invention concerns a method for calibrating an ophthalmic lens bevelling device comprising a machining tool provided with a bevelling groove. The invention is characterized in that the method includes the following steps: positioning...
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WO/2007/026512A1 |
Disclosed are a wire saw device; and a method of improving a nanotopography on the surface of a wafer formed by cutting an ingot by a wire saw device. The method improves the straightness of the feeding of a work feed table installed in ...
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WO/2007/021191A2 |
A floor treating machine, comprising a frame (20), a housing (8) which is attached to the frame in such a manner that said housing is rotatable about a substantially vertical axis, at least three heads (10) attached to the housing in suc...
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