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Matches 1 - 50 out of 4,196

Document Document Title
WO/2018/221813A1
The present invention relates to a continuous linear compression spring grinding device for grinding end surfaces of a linear compression spring (10) by means of upper and lower chain conveyors (100, 200) and grinding units (300). The co...  
WO/2018/212448A1
A handheld sanding device according to the present invention has: a power generating unit which generates torque for a sanding process; a power transmitting unit which is coupled to the power generating unit and transmits torque generate...  
WO/2018/206455A1
The invention relates to a grinding and/or eroding machine (10) and to a method for measuring and referencing the assembly (11) of multiple machine axes (12), each of which can be formed by a rotational or translational machine axis. For...  
WO/2018/163390A1
[Problem] To enable determination of whether a grinding wheel and a grinding material have come into contact to be accurately performed without being affected by the mechanical characteristics of a grinding machine or by interference fro...  
WO/2018/143436A1
Provided is a an end surface polishing device whereby an end surface of an optical fiber ferrule is polished with an adjusted polishing pressure and polishing precision can be enhanced. An end surface polishing device 1 for an optical fi...  
WO/2018/132661A1
Methods and apparatus for finishing an edge of a glass sheet are described. The edge of the glass sheet is finished using a grinding wheel mounted on one end of a spindle, the grinding wheel having a peripheral edge that contacts the edg...  
WO/2018/120865A1
A specialized A-grade door frame surface polisher, comprising a base (1). The base (1) is provided with a door frame positioning jig (2), a robot (3), and a control box (11). The robot (3) and the control box (11) are positioned next to ...  
WO/2018/117320A1
According to the present invention, a vibratory polishing system using natural vibration is disclosed. The vibratory polishing system using natural vibration comprises: a base plate; a pair of guide members provided at either side on the...  
WO/2018/110856A1
A rotation device is disclosed. A rotation device according to an embodiment comprises: a body part, which is connected to a power generation part, such as a motor, to rotate a member to be rotated and comprises a driving shaft formed at...  
WO/2018/105758A1
The present invention relates to an automatic grinding machine and, more particularly, an automatic grinding machine in which grinding can be automatically performed by the rotation of a jig part that holds and fixes a workpiece, and a p...  
WO/2018/104577A1
The application relates to a power tool, like a grinder, a sander or a polisher, comprising two working modes. According to an embodiment a dual mode power tool comprises a motor (400) operable in two operational directions, wherein an o...  
WO/2018/089276A1
Reciprocating tool accessories are presented including: a damping handle assembly; and a surface contact assembly coupled with the damping handle assembly along a distal end and the reciprocating tool along a proximal end. In some embodi...  
WO/2018/085393A1
A bottomhole assembly may include a downhole motor and bearing assembly. The downhole motor may include a rotor and stator. The bearing assembly may include a bearing mandrel. The bearing mandrel may be coupled to the rotor by a transmis...  
WO/2018/079319A1
Provided is a grinder that facilitates manual grinding work requiring careful operation. A grinder 1 has: a grindstone 4 that grinds a workpiece; a nozzle 71 through which a cooling liquid is jetted out to the workpiece; hand-feed handle...  
WO/2018/072189A1
A high-safety shaft part polishing mechanism and a usage method thereof, the apparatus comprising a polishing component (7) provided with a polishing strip (71), and a support base (8), clamping drive components (82) symmetrically arrang...  
WO/2018/070814A2  
WO/2018/046480A3
The invention relates to a vibration polishing device comprising: a vibration drive (1) for generating an oscillating vibration for polishing samples, a polishing disc (2) which is connected to the vibration drive (1) and can be driven t...  
WO/2018/040344A1
Disclosed is a multi-directional polishing device for shoe vamps, comprising a concatenated round bar (1), a clamping protruding platform (2), an isolation sleeve (3), an active turning wheel (4), an outer gear protruding platform (5), a...  
WO/2017/211082A1
A double-sided polishing device and method having a polishing pad with the stiffness controlled by a dynamic cluster magnetic field, realizing, by means of adjusting the stiffness of a flexible polishing pad, a complete process from roug...  
WO/2017/211452A1
A machine (10) for machining workpieces with optical quality has at least one workpiece spindle (12), via which a workpiece (L) to be machined is able to be driven in rotation about a workpiece axis of rotation (C), and also has a swivel...  
WO/2017/206986A1
The invention relates to a grinding spindle (12) and to an internal cylindrical grinding machine having a grinding spindle (12), wherein the grinding spindle insert (16) comprises a grinding wheel receptacle; and a coaxially arranged gri...  
WO/2017/207722A1
The present disclosure relates to a grinding head (1) for a floor grinding machine for grinding floor surfaces of stone or stone-like material. Such a grinding head (1) comprises a lower casing member (3), comprising a lower support (31)...  
WO/2017/160127A1
The present invention relates to a method and a device for polishing a laminated sheet and, more particularly, to a method and device for laminating to-be-polished sheets and polishing the same. The present invention provides a laminated...  
WO/2017/097701A1
The invention relates to a hand-held power tool, in particular a grinding machine (10), comprising an eccentric gear (40) arranged in a machine housing (11) and an electric or pneumatic drive motor (30) for rotationally driving a drive s...  
WO/2017/069696A1
According to various embodiments, there is provided a grinding module including a base; a cylinder mounted to the base with a longitudinal axis of the cylinder arranged at least substantially perpendicular to a surface of the base, where...  
WO/2017/059701A1
Disclosed is a grinder transmission device, comprising a first transmission shaft (2) for driving an inner grinding wheel to rotate, a second transmission shaft (3) for driving an outer grinding wheel to rotate, a main shaft (1), a first...  
WO/2017/057548A1
Provided is a grinding machine in which brittle-mode grinding is suppressed so as to achieve stable grinding of a wafer. This grinding machine (1) is provided with: a rotatable spindle (23) that has a grind stone (21) attached to a lower...  
WO/2017/030298A1
The present invention relates to a multi-polishing apparatus and, more specifically, to a polishing apparatus comprising: a body frame having a horizontal frame and a vertical frame installed on the rear end portion of the horizontal fra...  
WO/2017/020257A1
A polishing machine comprises a base (1) and a rotary seat (2) disposed on the base (1). A support arm (4) and a drive arm (5) are hingedly connected to the upper end of the rotary seat (2) by means of a rotary shaft (3). One end of the ...  
WO/2017/001086A1
The invention relates to a battery-operated grinder (10), in particular of the angle grinder type, having an electronically commutated electric motor (16) that acts on a motor shaft (18), wherein the motor shaft (18) defines a motor axis...  
WO/2016/185374A1
Machine for polishing/ flattening slabs of natural stone or marble or granite or the like, provided with a mechanism for controlling the position of the spindle, such a machine comprising a base on which the slabs are positioned, a bridg...  
WO/2016/172751A1
The invention relates to a device (100) for machining a surface of a workpiece (200a). According to one embodiment, the device (100) comprises a frame (160) and a roller carrier (401), on which a first roller (101) is rotatably supported...  
WO/2016/170898A1
This plate glass processing device (1) is provided with: a synchronous motor (2) that drives and rotates a processing tool (B); an arm member (3) that supports the processing tool (B) so as to be rotatable; a support shaft member (4) tha...  
WO/2016/162979A1
Provided are a grinding method and a grinding apparatus for forming a chosen continuous microscopically curved surface on the thrust surface of a shaft using a cylindrical grinder. In a cylindrical grinder provided with a main shaft for ...  
WO/2016/042464A1
A machinery (1) for the machining of ceramic articles or the like, having a support frame (2) and at least a machining device (3) associated with the support frame (2) and comprising: - at least a motor element (4) associated with the su...  
WO/2016/042467A1
A machinery (1) for the machining of ceramic articles or the like, having a support frame (2) and at least a machining device (3) associated with the support frame (2) and comprising: - at least a motor element (4) associated with the su...  
WO/2016/002396A1
This polishing apparatus (100) is characterized in being equipped with: a stage (30) for conveying an object to be polished (W); multiple polishing heads (11, 12), which hold a polishing sheet (14, 15) and are disposed in a row in the co...  
WO/2015/198635A1
A double head grinding apparatus (1) is provided with: a spindle drive unit (30) that rotates a spindle (31) to which a grinding wheel (10) can be attached; a moving unit (90) that moves the spindle drive unit (30) in the direction to be...  
WO/2015/192993A1
In an electric power tool having an output shaft (210), drivable by an associated drive motor, and a brake apparatus (140) for braking the output shaft (210) rotating in the unpowered state of the associated drive motor, wherein the outp...  
WO/2015/193054A1
The invention relates to a motor-driven power tool having a drive motor (16), the motor shaft (18) of which is driven in a rotating manner, comprising a tool driveshaft (24) which is driven in an oscillating manner or in a rotating manne...  
WO/2015/186757A1
Provided are a processing method and processing apparatus for a cylindrical workpiece for which concentricity with respect to the inner circumferential surface during processing of the outer circumferential surface of the cylindrical wor...  
WO/2015/177270A1
The invention relates to a device (1) for machining workpieces, comprising a work container (2) and a vibration drive (7) that comprises a motor (8) which has a motor drive end (9, 10) at the ends and which comprises two unbalance device...  
WO/2015/155347A1
The invention relates to a sample carrier for a sample (70). Said sample carrier comprises a support base (10), a carriage (20) having a receiving region (30) for the sample (70), the carriage (20) being supported on the support base (10...  
WO/2015/096585A1
Disclosed is a self-oscillation drive method for an abrasion block for polishing and grinding down ceramic tiles, wherein the rotational speed of a second self-oscillation drive apparatus (2) is adjusted by an external drive apparatus pr...  
WO/2015/098126A1
This machining assistance system (1) assists a machining device (2) and is provided with: a workpiece supporting force generating unit (6) which generates a workpiece supporting force that resists the processing reaction force exerted by...  
WO/2015/091066A1
The object of the invention is to produce a hand-held grinder with a robust design, which is easy and ergonomic to use. To achieve this, according to the invention the hand-held grinder comprises a holder for holding the grinder, a drive...  
WO/2015/079133A1
The invention relates to a method for producing an instruction for bevelling an ophthalmic lens, with a view to mounting same in a framework of a spectacle frame into which a bevelled display lens is initially fitted. The invention compr...  
WO/2015/071204A1
Disclosed is an oscillatorily driven machine tool comprising a driving motor (12), a tool spindle (16) mounted so as to be pivotable about its longitudinal axis, and a hydraulic device (28) via which the driving motor (12) is coupled to ...  
WO/2015/071304A1
Disclosed is an oscillatorily driven machine tool comprising a tool spindle (34) that is mounted so as to be pivotable about its longitudinal axis (35), a driving motor (14) that is coupled to a hydraulic generator (22) for generating an...  
WO/2015/051418A1
A cutting tool mechanism (11) for providing a cutting, abrading or grinding action is disclosed. The mechanism (11) has an inner circular part (17) having teeth (19) extending radially outwardly, a surrounding circular part (25) having i...  

Matches 1 - 50 out of 4,196