1315results about "Automatic/semiautomatic turning machines" patented technology

The present invention provides methods and systems for chip breaking, controlling cutting tool wear, and the like in turning, boring, and other applications, including: engaging a workpiece with a cutting tool in a feed direction along a toolpath, superimposing an oscillation in the feed direction on the toolpath, and dynamically or non-dynamically varying the oscillation superimposed in the feed direction on the toolpath such that interrupted cuts and chips of a predetermined length or less are produced. These systems take full advantage of computer numerical control (CNC) methodologies.

A device increases the surface smoothness of a turned surface. The device comprising a control system with a control unit and an actuator connectible to the control unit and connectible with a tool holder. The actuator in adapted to impart a vibrating motion in the lateral direction to the tool holder. A method will also increase the surface smoothness of a turned surface, comprising the step of controlling the vibrations of the tool holder during turning. The method also comprises the step of imparting a vibrating motion in the lateral direction to the tool holder. Moreover, a turning lathe and a turning tool holder which like the device are designed to generate vibrating motion in the lateral direction.

A fully automatic key duplicating machine. A master key alignment module is movably disposed into and out of proximity with a master key clamping module, the master key being aligned by the alignment module within the master key clamping module. A master key identification module is disposed in fixed relation to the master key clamping module and identifies a type of key secured in the master key clamping module. A central positioning base is provided automatically movable into and out of engagement with the key cutting module and optionally the alignment module, adapted to move the master key alignment module into proximity with the master key clamping module and adapted to secure a key blank to be cut at the key cutting module in accordance with the tooth pattern of a clamped master key.

Disclosed are weatherable multilayer articles comprising (i) a coating layer comprising a block copolyestercarbonate comprising structural units derived from at least one 1,3-dihydroxybenzene and at least one aromatic dicarboxylic acid, (ii) a second layer comprising a polymer comprising carbonate structural units, (iii) an adhesive layer comprising a polyurethane, and (iv) a substrate layer, wherein the coating layer is in contiguous superposed contact with the second layer, and the adhesive layer is in contiguous contact with the second layer and the substrate layer. Also disclosed is a method for making the multilayer article.

A cutting insert rotated about its axis may be utilized during a metalworking operation and applied against the rotating workpiece to enhance tool performance. A method, including an assembly with a rotatable insert mounted to a toolholder may be utilized to achieve this result.

A system manages a machine tool operation. The system includes a cutting tool, which includes a tool body; an integrated circuit chip securely mounted within the tool body and capable of being read and written upon; and a read/write device for communicating with the integrated circuit chip. The integrated circuit chip is an RFID chip. The tool body may be a mounting chuck, adapter, twist drill, thread tap, indexable drill, milling cutter or a square shank lathe tool.

An APC is provided in a five-axis controlling vertical machining center. A spindle head is movable in three mutually transverse axes directions to a workpiece. A table disposed below swings to be positioned and is directed upwardly and indexed. A pallet setup base is provided outside a machining area. A pallet change arm has pallet grip portions for gripping and releasing the pallets. The arm makes a swivel motion and makes an ascending and descending motion. Thus, the pallet is transferred between the table and the pallet setup base and is received and discharged to the table and the pallet setup base.

This invention relates to a control apparatus for numerical control in a cutting machine having a turret which can be rotated to arbitrary positions, and characterized by including means for obtaining turret axis data (ΔX, ΔZ) from reference offset values (X0, Z0) corresponding to a length from a cutting edge to a turret axis B, turret angle data α, and cutting edge data (m, n), and moving the turret on the basis of these turret axis data (ΔX, ΔZ) to perform a cutting.

A vertical turning-milling complex machining center comprises a horizontally-arranged bed body (6) and a vertically-arranged column (7). The bed body (6) is provided with an X-axis lateral supporting linear track (2) and an X-axis guide screw (5). The bed body (6) is also provided with a uniaxial rotating table (1) which can reciprocate and is driven directly by a first external rotor torque motor. The column (7) is vertically provided with a Z-axis lateral supporting linear track (10), a Z-axis guide screw (9) and a crossbeam (11) that reciprocates up and down. The crossbeam (11) is provided with a transverse Y-axis linear track (13), a Y-axis guide screw (12) and a single-pendulum milling head seat frame that can reciprocate along the Y-axis guide screw (12). The single-pendulum milling head is driven directly by a second external rotor torque motor. The vertical turning-milling complex machining center uses direct-drive technology applied to a B-axis and a C-axis, the motor torque is greatly increased and functional parts can stably operate, therefore the integral rigidity and stability of the machining center are improved.

It is one object of a hale-machining method and apparatus thereof according to the present invention to achieve an easy preparation of an NC machining program and perform a high geometrical accuracy in the predetermined three-dimensional free curved surface.

A haling tool 34 is set on a tool holder 32 in such a manner that a cutting point P of the haling tool 34 is substantially coincided with an intersection of a first rotating axis B, a second rotating axis A and a third rotating axis C. A rotary table 16 and a rotary base 24 are rotated in such a manner that a tool axis direction of said haling tool is substantially coincided with a normal direction of said machined surface. A tool holder 32 is rotated in such a manner that a front rake surface of the haling tool 34 is substantially directed in perpendicular to a feeding direction of said haling tool 34. A workpiece table holding a workpiece and the tool holder are relatively moved along a machined surface of said workpiece in three perpendicular axes including an axis parallel to said first rotating axis.

The invention relates to a machine for automatically processing a bearing outer ring. The machine for automatically processing a bearing outer ring comprises a machine frame, an automatic elevator, a main shaft, a main motor for driving the main shaft, a chuck mechanism, a cutter block, a control device, a material feeding seat, a material ejection air cylinder for driving the material feeding seat, a material conveying oil cylinder for driving the material feeding seat and the material ejection air cylinder, a material loading channel, a stacking mechanism, a movable material unloading channel, and a material receiving air cylinder which drives the material unloading channel; a material distribution mechanism is arranged at the joint of the material loading channel and the material feeding seat; one end of the material loading channel which is butted with the material feeding seat is lower that the other end of the material loading channel; and one end of the material unloading channel which is butted with the chuck mechanism is higher than the other end of the material unloading channel. The invention provides the machine for automatically processing the bearing outer ring; in the machine, the processes from material loading to product stacking are all automated, and the machine has high processing efficiency; and the problems of low automation degree and processing efficiency during processing of the conventional bearing outer ring are solved.

Disclosed is a projection media comprising a transparent polymer layer with random light diffusing elements and having a Tg of less than 75° C.

A machine tool for machining a workpiece is provided with a cutting tool holder for holding a cutting tool and a rotation mechanism for holding the workpiece. One or both of the cutting tool holder and the rotation mechanism are movable on multiple axes so that the cutting tool is movable relative to the workpiece in multiple axial directions. A control device is provided for controlling the movement of one or both of the cutting tool holder and the rotation mechanism to synchronously vibrate the workpiece and the cutting tool relative to each other at a low frequency in multiple axial directions.

A disposable wiping article is disclosed having at least a first layer and a second plastic film layer. The first layer has a wet extensibility greater than that of the second, layer. The first layer can be a dry creped web of cellulosic fibers, and the second layer can be an apertured, three dimensional plastic film. Selected portions of the first layer are bonded to the second layer to inhibit wet extension of the first layer in the plane of the first layer. In one embodiment, the wiping article comprises a third layer which can be a dry creped, apertured web of cellulosic fibers having a wet extensibility greater than that of the second layer. The second plastic film layer is disposed between the first layer and the third layer and inhibits wet extension of both the first and third layer when wetted.

A surface-coated cutting tool according to the present invention is a surface-coated cutting tool including a base material and a coating film formed on the base material, wherein the coating film includes at least a wear-resistant layer and an adhesion-resistant layer, the wear-resistant layer has a multilayer structure in which an A layer of a nitride containing Ti and Al as well as a B layer of a nitride containing Al and Cr are alternately stacked, and has a cubic crystal structure, and the adhesion-resistant layer is located at an outermost surface of the coating film, is composed of a nitride expressed by (Al_aCr_bTi_1-a-b)N (wherein a+b<0.99, b>0.01, and 0.2b+0.7<a), and has a wurtzite-type crystal structure.

A datum is created in an axle housing. A finished brake flange is welded to the axle housing with reference to the datum to make an axle sub-assembly. The axle sub-assembly is fixed to a first part of a machine. A finished spindle is supplied to a second part of the machine. The spindle is welded to the axle sub-assembly with reference to the datum. A dial indexing table is rotated to a first position. An axle is placed on the dial indexing table with its longitudinal axis oriented vertically. The dial indexing table is rotated to a second position, wherein the axle aligned with a CNC machine. A machining operation is performed on the axle with the CNC machine. The dial indexing table is rotated to a third position. The axle is removed from the dial indexing table. An axle and an apparatus for manufacturing an axle are described.

There is provided a precision roll turning lathe which can not only machine with high precision circumferential transverse grooves in the peripheral surface of a roll but can also machine with high precision longitudinal grooves in the peripheral surface. The precision roll turning lathe includes: a bed 10; a headstock 12, mounted on the bed 10, for rotating a roll-shaped workpiece while holding one end of the workpiece by means of a chuck, said headstock having an indexing axis (C axis) for performing circumferential indexing of the workpiece; a tail stock 14, mounted on the bed 10 and disposed opposite the headstock 12, for rotatably supporting the other end of the workpiece; a carriage 16 including a saddle 26 mounted on the bed 10 movably in the longitudinal direction (Z-axis direction) of the workpiece, and a table 28 mounted on the saddle 26 movably in a direction (X-axis direction) perpendicular to the longitudinal direction of the workpiece; a tool swivel 30 mounted on the table 28 and having an indexing axis (B axis); a tool post 33 mounted on the tool swivel 30 and having a plurality of cutting tools 36 attached thereto; and a fly cutter spindle device 34 mounted to the tool post 34 and having a cutter spindle for rotating a fly cutter 39.