Matches 1 - 39 out of 39


Match Document Document Title
6390894 Face gear manufacturing method and apparatus  
A face gear manufacturing operation wherein a set of oversized teeth are formed on a face gear or tapered pinion gear by a gear cutting operation. The oversized teeth are of a predetermined...
5954568 Method, tool and device for the profiling of grinding worms for continuous gear grinding  
The profiling tool (10) has a segment (12) of a worm thread. Its active zone (13) is coated with grains of hard material (16) and is crowned in cylinder sections coaxial to the tool axis (26)....
5681207 Method of working a helical gear by grinding  
In forming a helical gear by grinding with a grindstone, the modification accuracy of crowing etc. is improved in such a way that the inequality β>γ c is established wherein β is the helix angle of...
5044127 Gear-shaped tool and method of generating gears  
A gear-shaped tool (30) having stock removing surfaces (38) is rotated together with a bevel or hypoid work gear (32) in accordance with their respective number of teeth, and the gear-shaped tool...
5020279 Machine tool for manufacture and dressing of tools and for finish-machining of gear wheels  
A machine tool for the manufacture and dressing of tools and for finish-mining of gear wheels comprising three spindles (4, 5, 15) installed in the heads (2, 3, 17) of their own and provided with...
5014467 Method and machine for the discontinuous generating grinding with indexing  
A method and a machine for the discontinuous generating grinding with indexing of the tooth flanks (14) of gears. The rotating grinding wheel (T) carries out several back and forth feed movements...
4833836 Process for grinding a gear tooth blank to form an involute gear tooth  
A process for grinding a gear tooth blank to form an involute gear tooth includes the steps: setting a predetermined cutting rate which fails to result in burning between a grinding wheel and the...
4739587 Rolling drive for a gear-grinding machine  
A rolling device for a gear-grinding machine in which the rotation portion of the rolling movement is effected by roll bands secured at one end to a roll-band carriage which is movable transversely...
4646474 Drill grinder  
This invention relates to an improved drill grinder and particularly to one which comprises a main frame. A grinding wheel is disposed on one end of the main frame. A stand is located on the...
4638599 Gear grinding machine for radial or helical spur gears  
The invention relates to a gear grinding machine for straight toothed or oblique toothed spur gears, in which a main slide (2) reciprocable on the machine column and an auxiliary slide (7)...
4538383 Front surface grinding machine and method  
Each workpiece holder of a grinding machine is reciprocated relative to and turned about an axis parallel to that of a wheelhead spindle. Workpieces carried by the holder are brought from in front...
4393625 Apparatus for grinding gears  
An apparatus for grinding gears having an involute-shaped tooth flank profile, wherein there are accomplished between a dished or plate-shaped grinding wheel and the gear teeth to-and-fro...
4265575 Tooth-edge gear working machine  
A machine for working the edge of a tooth on a spur, bevel or similar type workpiece. The workpiece is mounted on a workpiece spindle and is supported for rotation as well as reciprocal axial...
4203260 Apparatus for grinding cylindrical gears  
An apparatus for grinding cylindrical gears by means of a generating method, comprising two substantially plate-shaped grinding wheels for machining a right tooth flank and a left tooth flank of...
4090330 Correction device for the rolling type tension on a gear grinding machine  
A correction device for the rolling tape tension on a gear grinding machine, especially a form grinding machine for spur and helical cylindrical gears, comprising tapes subjected to an initial...
4045916 Rolling drive on a gear grinding machine  
The invention relates to an adjusting device for an oscillating workpiece. In one type of gear grinding machine, there is provided means for effecting oscillation of the workpiece simultaneously...
4045917 Gear grinding machine  
Adjusting device for an oscillating workpiece. In one type of gear grinding machine, there is provided means for effecting oscillation of the workpiece simultaneously and in synchronism with...
3906677 Grinding of gear teeth  
For grinding the flanks of gear teeth to modify an involute tooth profile determined by the generating method of grinding, the tooth flank area is associated with a system of co-ordinates and a...
3897656 Machine for manufacturing or testing the tooth flanks of involute gears  
For producing the movement of the parts in a gear generating or testing machine which has a sliding carriage on which is turnably mounted a table for gears to be cut or tested, the motion of the...
3877150 Gear generating machine for making and testing involute gears  
A gear generating machine comprises a table whereon the gear to be machined is placed and a tool carrier which executes a motion relative to the table. The table moves along a rectilinear path and,...
3584424 MEANS FOR GENERATING INVOLUTE AND NONINVOLUTE GEARS  
A machine for grinding or similarly finishing gear teeth to involute or noninvolute form has an indexable rotary worktable and a column on which is mounted a slide carrying linkage and driving...
3499252 MEANS FOR GENERATING INVOLUTE GEARS  
3624972 GENERATING MECHANISM FOR A GEAR GRINDING MACHINE FOR HELICAL GEARS  
3393475 Grinding apparatus  
3393478 Method of grinding shaper cutters and the like  
3386213 Method for grinding tooth flanks of toothed gear wheels  
3263372 Machine for grinding gears  
3121980 Automatic chamfering machine  
3044221 Gear grinding machine  
2998678 Method and machine for grinding gears  
2982058 Cutting machine, in particular for spheroidal or toroidal surfaces  
2968133 Involute generating device and indexing mechanism therefor  
2958984 Machines for grinding gears and similar profiles  
2916856 Grinding machine  
2915856 Machine for grinding an optical surface in a piece of refractive material  
2910808 Method and apparatus for grinding gears  
2855621 Gear teeth grinding apparatus  
2850851 Gear grinding machines  
2779138 Machine for grinding and polishing gem facets  
Matches 1 - 39 out of 39