摘要:
Apparatus for grinding or polishing or glazing or otherwise finishing flat or contoured-in-one dimension surfaces of a work as the work is held on a work table reciprocated rectilinearly along a horizontal plane in front-rear and end-end directions with reference to a tool mechanism in the form of a driven rotatable grinding or polishing or glazing wheel having a peripheral face providing the grinding or polishing or glazing action, with cooperant means for reciprocating the work table in the forward and rearward directions and simultaneously therewith in the end to end directions, and other means for simultaneously driving the tool mechanism vertically to bring the tool into and remove the tool out of working position with respect to work.
摘要:
A lapidary machine adapted to produce cabochon shaped gem stones or the like; the machine having a powered rotary grinding wheel provided with a contoured in cross section annular grinding surface adapted to grind peripheries of cabochon shaped gem stones; a powered rotary dop holding shaft structure adapted rotatably to carry a dop supported gem stone in contact with said annular grinding surface; said shaft structure axially parallel to and laterally movable relative to the rotary axis of said grinding wheel, said shaft structure having a generally oval shaped cam thereon; a normally stationary idler roller having a periphery engagable by said cam and means for adjusting the position of the periphery of said idler roller in directions laterally relative to the rotary axis of said shaft structure in order to progressively cut peripheries of stones down and to produce cabochon shaped stones of various overall sizes.
摘要:
A glass-grinding machine having a holder for a glass, and a grinding wheel to cut the outer surface of the glass, in which the holder is supported on a vertically disposed spindle, rotatable about and movable along its axis, and the grinding wheel is movable towards and away from the axis. There is means to control the movement of the holder and the grinding wheel, so to cut features on the glass according to a predetermined program.
摘要:
An abrasive profiling tool that may be part of a robotic machining system for machining a trailing edge of an airfoil, includes a shank extending along a rotational axis, a bearing guide rotationally secured to a distal end of the shank for riding upon the airfoil; and an abrasive profiler projecting radially and rigidly outward from the shank for grinding at least the trailing edge as the shank rotates. The profiler may include a round-over portion for grinding the trailing edge and a chamfered blending portion for grinding adjacent surfaces of the airfoil to produce a smooth transition from the adjacent surfaces and to the trailing edge.
摘要:
The invention relates to a method and an arrangement for re-creation of an optimized contour of the leading edges of gas-turbine blades, in which a gas-turbine blade (2) is passed by one or more grinding machine or machines (71, 71′) with the aid of a computer-controlled robot (10). The desired contour is achieved by following a movement procedure which is stored in a data memory (21). The stored movement procedure is designed to convert a blade from a previously determined statistical mean wear state to a likewise previously determined or calculated design contour. The contact pressure of the gas-turbine blade on the grinding disk or disks (71, 71′) is measured and is taken into account in the movement procedure of the robot (10) such that the desired design contour is achieved irrespective of the initial contour and wear of the grinding disks.
摘要:
In a grinding apparatus with a rotor device driving an eccentrically mounted carrier device in which a shaft is mounted provided at one end with a head to which a supporting face for abrasive paper is fastened, facilitated grinding of curved surfaces by hand is obtained by the features that the supporting face is of curved design and has upper and lower sides with the same radius of curvature and is fastened to the head via an elastic element, and at least two guide devices are provided which cause the supporting face to be guided by the head reciprocatingly along a curved surface with the same radius of curvature as the supporting face.