1116results about "Auxillary equipment" patented technology

A device and method for measuring deviations in shape of a generally cylindrical workpiece is disclosed. The device enables measurement of a number of shape-defining parameters while the workpiece is positioned in a machine tool, so that the workpiece does not have to be removed from the machine tool in order for the measurements to be taken. A steadying rest, for use on machine tools to hold a workpiece, especially one having a longitudinal central axis that is rotationally unsymmetrical or unstable with respect to the machining tool, in position to enable measurement of the shape defining parameters and shape deviations while the workpiece is mounted on the machine tool, is also disclosed.

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.

The invention relates to a processing method and technological equipment for a cylindrical thin and long thin-walled workpiece, which comprises positioning technological equipment and aligning technological equipment, wherein the positioning technological equipment consists of a connecting cylinder, a connecting flange, a positioning cylinder, a compression block, a compression screw, a stop nut and a connection screw; and the aligning technological equipment consists of an aligning technological equipment bottom plate, a bearing pedestal, a core shaft and a ball bearing. The processing method of the invention comprises a processing method suitable for manual operation of ordinary lathe and a processing method for operation of a hydraulic clamping center rest. The invention has the advantages that the deformation of the cylindrical thin and long thin-walled workpiece brought by clamping can be effectively reduced, the influence of workpiece clamping force on the workpiece processing precision is reduced, the processing quality is improved, the processing procedure is simplified, the processing time is shortened, the processing efficiency is improved, the high-quality product rate reaches 100%, the cost is saved at the same time, and the effect in batch production is more obvious.

A power tool control system includes a non-contact measurement and alignment device operative with the power tool and enabled to establish various readings, such as power tool settings. A graphical user interface communicatively coupled with the non-contact measurement and alignment device enables user control over and display of the readings from the non-contact measurement and alignment device.

The present invention is a soft tissue sheet. The tissue sheet comprises papermaking fibers and a polysiloxane composition. The polysiloxane composition comprises a polysiloxane and a compatible synthetic resin binder having a glass transition temperature of about 100° C. or less.

The invention discloses a turning cutter wear state monitoring system. The turning cutter wear state monitoring system comprises a signal collecting system and a cutter wear state identifying system; the signal collecting system comprises a temperature collecting system and a vibration signal collecting system, wherein the temperature collecting system collects temperature of a cutter point of a rake face of the cutter, and the vibration signal collecting system collects a three-dimensional vibrating signal at the lower surface of a cutter handle corresponding to the utter point of the rake face of the cutter; after pretreating the signal collected by the signal collecting system, the sensitive characteristic of the cutter wear state is obtained and transmitted to the well-trained cutter wear state identifying system; thus the wear state of the cutter is judged through the cutter wear state identifying system. The turning cutter wear state monitoring system is simple and applicable, and is convenient to operate; moreover, the sensor in use is relatively universal in use, moderate in cost, and easy to build up a testing system; the turning cutter wear state monitoring system can largely reduce the monitoring cost, effectively identify the wear state of the cutter and reduce the cutter waste.

The invention relates to a device for refining workpieces, which preferably consist at least partially of wood, wood materials or the like, having an ink-jet printing means having a plurality of nozzles from which drops of ink can be expelled, a workpiece carrier means for carrying the workpiece to be patterned, a conveyor device for bringing about a relative movement between the workpiece to be refined and the printing means. The device according to the invention is characterised in that it further has at least one machining means for machining the workpiece.

The invention concerns a method for producing ophthalmic lenses that uses plastic blanks in the form of flat, round discs. The outer edge of said plastic blanks is clamped and the desired final surface geometry and surface quality of the front faces of the lens are subsequently produced by a machining process using grinders and/or lathes and by smoothing and polishing processes. During machining, a thicker annular region is retained on the outer circumference of the workpiece. The annular region clamps or arranges the workpiece during machining and transport operations and stabilizes the lens for additional machining. Shaped pieces for identifying the machining axes are attached to the annular region. The lens is provided with fine markings to characterize the lens that has been produced, with the lens then being separated from the region.

A dynamical instrument for machining comprising a sensor responsive to a non-rotating part of a machine proximate the tool of the machine for outputting a vibration signal, and a processor responsive to the sensor output configured to calculate a plurality of signature quantities which characterize the dynamics of the vibration signal and correlate the signature quantities to detect parameters associated with the operation of the machine.

The invention discloses an ultraphonic elliptical vibration and extrusion processing device based on a double-excitation longitudinal bending elliptical energy converter, comprising a shell assembly, a vibration assembly, a sliding assembly and a pressure assembly, wherein the sliding assembly is sleeved on the excircle surface of the vibration assembly; the pressure assembly is arranged on the tail part of the vibration assembly; and the assembled vibration assembly, the sliding assembly and the pressure assembly are arranged in the shell assembly. The structure of the ultraphonic elliptical vibration and extrusion processing device is designed by combining a flexible extrusion requirement with a langevin energy converter principle, when the ultraphonic elliptical vibration and extrusion processing device is adopted to carry out extrusion processing, the double-excitation longitudinal bending elliptical energy converter of the ultraphonic elliptical vibration and extrusion processing device can drive a cutter to cautiously take longitudinal bending elliptical vibration, tracks of the longitudinal bending elliptical vibration are tangent with tracks of the turning motion of a workpiece and is reverse to the turning direction of the workpiece, when the turning speed of the longitudinal bending elliptical vibration is equal or approximately equal to the turning speed of the workpiece, the cutter is equivalent to make pure rolling on the surface of the workpiece so that relative sliding between the cutter and the processing surface disappears, and the mechanical abrasion caused by sliding friction is effectively prevented, and the purpose of prolonging the service life of the cutter is achieved.

Systems and methods are provided for use in assessing the stability of simultaneous machining (SM) dynamics (which is also known as parallel machining). In SM, multiple cutters, which are generally driven by multiple spindles at different speeds, operate on the same work-piece. In an alternative implementation of SM, single milling cutters with non-uniformly distributed cutter flutes operate on a work-piece. When SM is optimized in the sense of maximizing the rate of metal removal constrained with or by the machined surface quality, “chatter instability” phenomenon appears. The present disclosure declares the complete stability picture of SM chatter within a mathematical framework of multiple time-delay systems (MTDS). A cluster treatment of characteristic roots (CTCR) procedure determines the regions of stability completely in the domain of the spindle speeds for varying chip thickness, thereby replicating the well-known “stability lobes” concept of STM for simultaneous machining.

Pipe machining apparatuses are provided. In some aspects, a pipe machining apparatus may include a hinge to allow two sections of the pipe machining apparatus to move relative to one another. In another aspect, a support member may be provided to support a pipe machining apparatus on a surface. In a further aspect, a support member may be provided that allows lifting of a pipe machining apparatus in either a horizontal position or a vertical position.

The invention provides a digital control ultrasonic processing device for a common lathe. The device comprises a pedestal, an intermediate guide rail, an upper support plate and a rotary tool rest, wherein the bottom surface of the pedestal is provided with a dovetail groove; the intermediate guide rail is arranged on the pedestal through a vertical guide rail; the upper support plate is arranged on the intermediate guide rail through a horizontal guide rail; an intermediate shaft is arranged inside the upper support plate; the rotary tool rest is arranged on the intermediate shaft; a patch panel and an electric brush panel are arranged between the rotary tool rest and the upper support plate; an electric brush is connected between the patch panel and the electric brush panel; a lead screw feeding mechanism is arranged on the intermediate guide rail and the upper support plate; a tool rest automatic tool change mechanism is arranged between the upper support plate and the rotary tool rest; a lathe tool, a round amplitude transformer and an external circular amplitude transformer are arranged on the rotary tool rest; and a processing tool bit is arranged on the two amplitude transformers and connected with an energy converter respectively. The digital control ultrasonic processing device for the common lathe has high efficiency and high processing precision and can complete turning, ultrasonic processing of the external circular face and ultrasonic processing of the crown face by clamping for one time.

A device (1) for machining an ophthalmic lens includes a support for the ophthalmic lens and for driving it in rotation about a blocking axis (A1), a machining module (35) that can be swiveled relative to the support and driving the lens in rotation and that is suitable for pivoting about a swivel axis that is not parallel to the blocking axis of the lens, and at least one drill tool mounted to rotate on the machining module about a first axis of rotation. The machining device includes at least one other machining tool mounted to rotate on the machining module about another axis of rotation that is distinct from the first axis of rotation and that is stationary relative to the first axis of rotation.

The invention discloses a self-adaptive compensation method for detecting the turning error of a large part of a rotary body, comprising the steps of: rough machining the part of the rotary body; measuring the radius of intersection of two adjacent contour line segments on an axial section of an inner hole of the part of the rotary body and en extent of error delta 1 of the radius of the two end points by a probe, performing semifinishing for the rough machined part of the rotary body, performing semifinishing for the semifinishing lathe tool by machining trajectory intersection and two end points with theoretical machining radius which is X1-delta 1/2, measuring the actual radiuses of the intersection (A) and two end points (A1) in the step 2) after semifinishing to obtain an extent of error delta1' of semifinishing; performing finish machining, wherein that finish machining lathe tool, the main shaft rotary speed of the tool and the feeding speed are identical to those of semifinishing. In the process of finish machining, a numerical control system of the lathe compensates the extent of error delta 1' of semifinishing. The invention solves the problem that in the machining process the machining error caused by tool wear exists, thereby greatly improving the machining precision of the large part of the rotary body.

The invention discloses a single-driven ultrasonic elliptical vibration turning device, comprising a shell unit, an ultrasonic vibration transducer, an elliptical vibration mode converter and a cutter, wherein the ultrasonic vibration transducer is arranged in the shell unit; the cutter is arranged on the front end of the elliptical vibration mode converter; the shell unit comprises an upper cover plate, a support plate, an external sleeve and a lower cover plate; the ultrasonic vibration transducer comprises a bolt, a rear cover plate, piezoelectric ceramic pieces, an electrode slice and a front cover plate; the rear cover plate, the piezoelectric ceramic pieces, the electrode slice and the front cover plate are sheathed on the bolt in sequence; the rear cover plate and the front cover plate enable the rear cover plate, the piezoelectric ceramic pieces, the electrode slice and the front cover plate to be linked and pressed through the bolt; the elliptical vibration mode converter is arranged on the front end of the front cover plate and is of an oblique wedge-shaped structure; the elliptical vibration mode converter can enable longitudinal ultrasonic vibration generated by the ultrasonic vibration transducer to be converted to the longitudinal-flexural composite ultrasonic elliptical vibration of the end of the elliptical vibration mode converter and the cutter.

The invention relates to an internal profile modeling tool apron which is used in a steel pipe flat-end-face chamfering device in a large-dimensional and straightly welded seam pipe production line and floats along the radial direction; the tool apron comprises a cutter head, of which the end face are symmetrically provided with four sliding base bodies along the radial direction; each sliding base body is provided with a floating tool apron by a connecting screw rod; a cutter is vertical to the side wall of a steel pipe and arranged on the outer end of the floating tool apron, namely, the end far from an axis; the rear part of the cutter is provided with screw threads which are connected with a cutter adjusting mechanism; the end faces and the middle part of the sliding base bodies are provided with a spring slots; a plurality of dish-shape springs are sheathed on the connecting screw rod and arranged in the spring slots; the outer end of the connecting screw rod is provided with a spring adjusting nut; floating stroke adjusting nuts are arranged on the connecting screw rod and at the inner end of the spring adjusting nut; a profile modeling rolling is arranged at the inner end of the floating tool apron and rolls against the interior wall of the steel pipe; the position of the cutter and the steel pipe wall are relatively fixed, thereby simultaneous penetration of four cutters on the cutter head, even turning, no easy collision of the cutters and high production efficiency are ensured. The invention also relates to an adjusting method of the cutters.

Disclosed is a processing apparatus including a processing portion, an actuator, a casing, a preload mechanism, a force sensor, and a detection unit. The processing portion includes a cutting edge. The actuator is configured to cause the processing portion to vibrate microscopically. The casing is configured to accommodate the actuator. The preload mechanism is disposed inside the casing and configured to impart a preload to the actuator. The force sensor is disposed between the cutting edge and the preload mechanism. The detection unit detects a cutting force of the processing portion based on an output of the force sensor. The invention can detect cutting force as well as form miniature or complicated three-dimensional pattern with high precision.

The invention discloses a fixture for grinding processing ultra-thin wall parts, which comprises a mandrel of which the two ends are respectively provided with a step; a conical bevel with the gradually enlarged diameter is formed from the end face of the step to the middle part of the mandrel, and is sleeved with a sleeve; the inner wall of the sleeve is matched with a cone of the conical bevel of the mandrel; the outer end face of the sleeve is pressed tightly by a pressure plate arranged on the step of the mandrel; and the pressure plate is adjusted and tightly pressed by an adjusting device. By adopting the fixture, a plurality of ultra-thin wall parts are subjected to the grinding processing in a combining way, so that the rigidity of the ultra-thin wall parts easily deformed originally is increased, parts are all difficultly deformed and can be processed through a common processing mode and common equipment by general technicians, and the yield can be also improved.

The invention discloses a single driven ultrasonic elliptical vibration turning device. The single driven ultrasonic elliptical vibration turning device comprises a shell unit, an ultrasonic vibration transducer arranged in the shell unit, an elliptical vibration mode converter and a cutter arranged at the front end of the elliptical vibration mode converter, wherein the shell unit comprises an upper cover plate, a supporting plate, an outer sleeve and a lower cover plate; the ultrasonic vibration transducer comprises a bolt and a rear cover plate, a piezoelectric ceramic piece, an electrode slice and a front cover plate which are sequentially sheathed on the bolt; the rear cover plate, the piezoelectric ceramic piece, the electrode slice and the front cover plate are tightly pressed and fixed by the front cover plate and the bolt through threaded connection; the elliptical vibration mode converter is arranged at the front end of the front cover plate and takes the shape of a cylinder on the whole, and three rectangular notches which are distributed in a staggered manner are respectively formed in the left side and the right side of the elliptical vibration mode converter.

The invention discloses a high frequency ultrasound elliptic vibration cutting device which comprises an ultrasound vibration unit and a casing unit. The ultrasound vibration unit is arranged in the casing unit. The casing unit comprises a base, A cover plate, B cover plate and an upper cover plate. The ultrasound vibration unit comprises an amplitude transformer, a vibrating body, A excitation source, B excitation source and C excitation source. The amplitude transformer is installed on the vibrating body. The end part of the amplitude transformer is provided with a cutting tool. The A excitation source and the B excitation source are arranged in parallel way and are adhered on the lateral side of the vibrating body. The C excitation source is installed on the lower part of the vibrating body. The A excitation source and the B excitation source form the driving power in horizontal direction. The C excitation source forms the driving power in vertical direction. The phase separation between two mutually vertical high frequency vibrations is applied for compounding an elliptic vibration at the point of the cutting tool. Thus, the processing surface roughness is lowered effectively. The cutting device works at the high vibration frequency of 100 kHz-200 kHz, so that the vibration chipping critical speed of the cutting tool is improved, and the processing efficiency is improved obviously. The amplitude transformer is adopted to be inserted in the vibration body, so that the installation is easy, and the practicality of the ultrasound elliptic vibration cutting can be promoted.

The invention relates to a turning force measuring technology in turning machining, in particular to an integrated turning force measuring tool system with embedded film sensors. The problems that anexisting turning force measuring technology is low in measuring precision and limited in application range are solved. The integrated turning force measuring tool system with the embedded film sensorscomprises a turning tool bar, a turning tool blade, a first sunk screw, square elastic substrates, the film sensors, a Wheatstone electrical bridge module, second sunk screws, a signal processing unit and a PC; the middles of the four side faces of the turning tool bar are each provided with a square positioning groove; a runway-shaped groove is formed in the center of the groove bottom of each square positioning groove; the four square elastic substrates are embedded into the four square positioning grooves respectively; and the four film sensors are arranged at the centers of the outer sidefaces of the four square elastic substrates in a magneto-sputtering deposition mode. The integrated turning force measuring tool system with the embedded film sensors is suitable for turning machining in various occasions (such as a laboratory and a production field).

In order to improve a multispindle lathe comprising a machine frame, a rotatably mounted spindle drum, at least two workpiece spindles arranged in the spindle drum with their workpiece receiving means rotatable about a respective spindle axis, a plurality of spindle stations provided stationarily on the machine frame, into which the workpiece spindles are adapted to be brought, such that removal of workpieces in the workpiece removal station, which can take place very quickly, is possible with simple means, it is proposed that a rotatable workpiece receiving means be allocated to the workpiece removal station, the workpiece receiving means being movable by means of a carrier device relative to the workpiece spindle located in a workpiece removal station between a workpiece take-over position, in which the axis of the workpiece receiving means extends coaxially with the spindle axis of the workpiece spindle located in the workpiece removal station, and a workpiece delivery position, and the workpiece receiving means being movable by means of the carrier device in a Z direction.

A device for milling and/or lathing workpieces including at least one machine bed, on which there is at least one tool holder and one workpiece spindle as part of a workpiece holder with an axis of rotation, whereby the tool holder has at least one tool drive with an axis of oscillation running parallel to the axis of rotation, whereby the workpiece holder and the tool holder can travel relative to each other in the direction of an axis of translation that runs at a right angle to the axis of oscillation. The workpiece holder has a linear drive that can travel in the direction of the axis of translation.

The invention relates to an off-resonance elliptical vibration cutting device, and belongs to the technical field of ultra-precision cutting and difficult-to-machine material cutting. A diamond cutter is fixedly connected with a cutter seat on the front portion of a base body through a fastening screw, and the tail ends of two piezoelectric stacks in the X direction are in contact with a lower wedge-shaped block. An upper wedge-shaped block and the lower wedge-shaped block are in contact to constitute a wedge-shaped block pre-tightening mechanism. A wedge-shaped block baffle is fixedly connected with a back plate of the base body through two fastening screws, a wedge-shaped block pre-tightening screw is in threaded connection with the wedge-shaped block baffle and is in butt joint with the upper wedge-shaped block. The free end of each piezoelectric stack is fixedly provided with a stainless steel spherical crown body, and the lower portion of the base body is connected with a wedge-shaped adjusting base through four fastening screws. The off-resonance elliptical vibration cutting device has the advantages that the best cutting performance of difficult-to-machine materials can be acquired, a driving part composed of the piezoelectric stacks and a flexible hinge is more compact in structure, the part, which achieves motion, of the cutter seat is smaller in size, a cutter can still achieve large displacement in the high-frequency cutting process, and the machining efficiency is guaranteed.

The invention relates to a laser heating auxiliary micro-turning fixture and a laser heating auxiliary micro-turning method and belongs to the field of auxiliary processing of machine tools, and the device and the method are used for solving the problems of poor processed surface quality, tool abrasion and tool breakage existing in the prior art. The device comprises a rotary sliding table, a translation sliding table, a laser and a clamp, wherein the translation sliding table is fixedly arranged on a Y-directional sliding table; the rotary sliding table is fixedly arranged on the translation sliding table; the laser is fixedly arranged on the rotary sliding table by virtue of the clamp; the axis of a gun head of the laser and a vertical surface in which the tool tip of a tool of a machine tool is located are coplanar. According to the method, rays of the laser are applied to the front end of a micro tool tip, and local preheating for a to-be-processed workpiece by virtue of lasers is realized. The laser and the micro-turning device are combined for preheating the to-be-processed workpiece, so that the micro-turning for a difficult-to-process material is realized, the quality and size precision of a processed surface are ensured, the cutting force is reduced, and phenomena of serious tool abrasion and tool breakage substantial results are improved; a camera is used for monitoring in real time, so that the precise and reliable micro diameter of a laser spot can be ensured.

The invention discloses a precise positioning and clamping device for a stepped thin-wall barrel, belongs to the technical field of technological equipment and is mainly suitable for precisely positioning and clamping the thin-wall barrel when performing machine finishing on stepped thin-wall barrel parts. The main technical characteristics of the device is that the device comprises a main taper shaft 1, a fixed cone 2, an anti-rotation pin 3, a stop screw 4, a two-way step expansion spring 5, a spring 6, a movable cone 7, a guide pin 8, a waist-shaped hole 9, a fastening nut 10 and a turning handle 11, wherein the outer cylindrical surface of the two-way step expansion spring 5 is provided with steps according to the step size and the step position of the stepped thin-wall barrel to be processed; a guide groove at one large-diameter end of the two-way step expansion spring 5 is aligned with and inserted into the anti-rotation pin 3; and the left conical surface of the two-way step expansion spring 5 is jointed with the conical surface of the fixed cone 2. The device can meet the high-accuracy processing requirements on uniform wall thickness difference and high coaxiality between inner and outer circles on a variable-diameter cylindrical thin-wall member, and has the characteristics of convenient installation and operation, reliable use and the like.

A toolholder (50) with a controllable critical angle, such as a lead, trailing, rake or clearance angles, includes a tool spindle (42a) for retaining the toolholder in a tool rest (42) of a machine tool. The machine tool (10) includes at least one linear axis, for example, three mutually perpendicular axes, a rotary axis and a rotation axis. The rotary axis and/or rotation axis is controllable to move to a specified position in synchronization with a movement of one of the linear axes. An adaptor (54) supports a cutting tool (56) that is retained in the adaptor by a clamp (58). The cutting tool (56) defines a critical angle, such as a lead angle, a trailing angle, a rake angle and a flank clearance angle, wherein the critical angle is corrected as a vector of movement of at least one of the linear axis is changed. In addition, the cutting tool (56) can be positioned on opposite side of a centerline of rotation of the workpiece to effectively double the life of the cutting tool. A method of controlling a toolholder (50) is also disclosed.

The machine includes: elements for supporting the lens and for driving it in rotation about a first axis of rotation, the rotation of the lens being driven by first driver element, a tool-carrier mounted to turn about a second axis of rotation, turning of the tool-carrier being driven by second driver element, a plurality of working tools mounted on the tool-carrier to rotate about tool axes, with at least two of the tools including tools for shaping the periphery of the lens for shaping having distinct tool axes, third driver element for driving relative spacing movements between the first axis of rotation and the second axis of rotation, swivel elements for enabling the tool-carrier to be pivoted relative to the first axis of rotation about a third axis of rotation that extends substantially transversely to the first axis of rotation.