841results about "Turning machines" patented technology

The invention relates to the field of lathes, in particular to a wind power bolt slender shaft turning special machine which comprises a machine body composed of a shell and a base. A main shaft unit, a sliding table unit and a tool rest unit are arranged on the base; the self-avoiding positioning unit is arranged on the main shaft unit, the self-avoiding positioning unit comprises a telescopic positioning assembly and a locking assembly used for locking the positioning assembly, and the positioning assembly is used for conducting double positioning of axial jacking and radial clamping on the wind power bolt; the positioning assembly can contract in the machining process so as to avoid a tool feeding space. The retractable positioning assembly is matched with the locking assembly for linkage unlocking, when the tool rest unit moves to a clamping area, unlocking can be automatically triggered, the claw petals are retracted, the machining space of a tool is completely avoided, and therefore integrated continuous machining of a wind power bolt shaft body and threads at the two ends is achieved. And the procedures of end waste cutting and secondary clamping are thoroughly eliminated.

The invention relates to the technical field of eccentric shaft machining lathes, in particular to an eccentric shaft machining lathe with an eccentric center structure, which comprises a lathe main body, a fixed frame is fixedly connected to one side of the lathe main body, a movable frame is arranged on the fixed frame in a sliding fit manner, and a rotating seat is rotatably connected to the movable frame; a transmission mechanism is rotationally connected to the rotating seat, a stabilizing ring frame is rotationally connected to the rotating seat, a follow-up rotating ring is rotationally connected to the stabilizing ring frame, an eccentric block center mechanism is fixedly connected to the follow-up rotating ring, and an eccentric shaft is clamped and fixed to a three-jaw chuck on the lathe body; the eccentric block center mechanism is arranged on the follow-up rotating ring, the two angle-adjustable center plates abut against the fan-shaped eccentric block on the eccentric shaft, when the eccentric shaft rotates for machining, the fan-shaped eccentric block on the eccentric shaft is more stably and accurately supported, vibration, unbalance and deformation are reduced, and the machining precision and quality are improved.

The lathe comprises a lathe body, a guide rail, a rotating chuck and a movable base, a material changing device is arranged on one side of the lathe body and comprises a containing frame, a lifting frame and a material changing frame, a material preparing station is arranged in the containing frame, and the lifting frame and the material changing frame are driven by a lifting air cylinder and a telescopic air cylinder correspondingly; a feeding groove and a discharging groove are formed in the end, close to the lathe body, of the material changing frame, an advancing groove matched with the material preparing station is formed in the top of the material changing frame, and an ejection block driven by an ejection spring is arranged in the center of the rotating chuck. Meanwhile, the machined cam shaft is ejected out of the chuck and is received by the discharging groove, and automatic exchange of new and old workpieces is achieved. Automatic and continuous feeding and discharging of camshaft machining are achieved, the waiting time of a machine tool is remarkably shortened, and the machining efficiency and the equipment utilization rate are improved.

The utility model discloses a bearing seat machining device, and relates to the technical field of bearing seat machining. The clamping device comprises a supporting table plate and further comprises a rotating plate rotationally connected to the center of the upper end face of the supporting table plate, a first motor is fixed to the center of the lower end face of the supporting table plate, the output end of the first motor is fixedly connected with the rotating plate, the first motor can drive the rotating plate to rotate, and a clamping assembly is arranged above the rotating plate. According to the bearing block arranging and limiting device, the two sets of discharging assemblies can be used for conducting alternate feeding, bearing blocks can be arranged and arranged outside the limiting column in a sleeving mode, the upper end faces of the limiting side plates can support and limit the bearing blocks, the limiting column can be sleeved with the arranged limiting clamping blocks, and therefore the bearing blocks can be arranged on the limiting clamping blocks in a sleeving mode. And meanwhile, the limiting side plates are clamped in the limiting side plates in a sliding mode, the bearing seats can be completely limited in cooperation with follow-up clamping assemblies, multiple sets of bearing seats can be turned at the same time, and the machining efficiency is greatly improved.

The invention discloses a horizontal numerical control lathe and relates to the technical field of numerical control machine tools, the horizontal numerical control lathe comprises a machine base, a tool apron fixedly arranged on the machine base and a tailstock slidably arranged on the machine frame, a turning tool is installed on the tool apron, a rotating disc is rotatably arranged on the tailstock, and a motor used for driving the rotating disc to rotate is arranged on the tailstock. A turntable is arranged on the machine base, a workpiece clamping tool is arranged on the turntable, an auxiliary support is further arranged on the machine base in a sliding mode, a feeding mechanism used for driving the tailstock and the auxiliary support to slide is arranged on the machine base, and a positioning cavity used for allowing a workpiece to penetrate through is formed in the auxiliary support. And a plurality of positioning pieces for limiting radial deviation of the workpiece are arranged in the positioning cavity. By means of the turning tool, the stability of the workpiece during machining can be improved, the turning tool can conduct turning machining on the workpiece more accurately, and the machining precision and the machining quality are guaranteed.

The invention belongs to the technical field of heavy machine tool machining, and particularly relates to a transmission structure for heavy horizontal machine tool machining and a machining method. Comprising a moving seat, the two ends of the upper surface of the moving seat are fixedly connected with a tool apron and a skewness measuring assembly respectively, the skewness measuring assembly comprises a measuring tool connecting arm, the measuring tool connecting arm comprises a first measuring tool arm, one end of the first measuring tool arm is rotationally connected to a lifting seat and is in transmission connection with a stepping motor, and the stepping motor is fixedly connected to the lifting seat. The device can assist a wheel velocimeter in more conveniently and accurately measuring the rotating speed and the skewness of the outer surface of a turning billet in real time, and is more convenient for lifting a workpiece, so that cuttings generated in turning are reduced, and the cuttings are prevented from scratching the machined surface; built-up edges can be reduced, the surface smoothness is improved, and the surface roughness is reduced; and in the turning process, the turning speed is adjusted in real time along with the change of the shape and the quality of the machined steel blank so as to keep the optimal turning rotating speed.

The invention relates to the technical field of intelligent manufacturing equipment, in particular to a turning machine tool and a turning method of a hydraulic motor output shaft. The turning machine tool comprises a rack, a drill chuck assembly used for clamping and fixing a workpiece is rotationally installed on the rack, and the drill chuck assembly is driven by a driving device arranged on the rack to rotate; a tailstock is fixed to the machine frame, and an ejector pin which can linearly move, can rotate and is used for abutting against and limiting the end of a workpiece is installed on the tailstock. A tool rest bottom plate capable of linearly moving in the axial direction of a workpiece is arranged on the rack, a rotary cutter head is arranged above the tool rest bottom plate, and a tool turret is arranged above the rotary cutter head; a plurality of turning tools with the machining precision gradually increased are sequentially and fixedly clamped on the tool turret in the circumferential direction at equal angles. The turning method is efficient, precise and high in automation degree. And the bottleneck problems of low efficiency, poor precision stability, dependence on skilled workers and the like of multi-precision shaft parts such as output shafts of hydraulic motors in the traditional turning process are effectively solved.

The invention relates to the technical field of lathes, and provides a molecular pump shell machining lathe which comprises a lathe body, a sliding seat and a three-jaw chuck are arranged in the lathe body, a mounting seat is rotatably mounted on the sliding seat and connected with an extension rod, one end of the extension rod is connected with the mounting seat, and the other end of the extension rod is connected with a cutter. A first connecting piece is arranged between the extension rod and the mounting seat, and the extension rod is detachably mounted on the mounting seat through the first connecting piece; a second connecting piece is arranged between the extension rod and the cutter, and the cutter is detachably installed on the extension rod through the second connecting piece. The molecular pump shell machining lathe can adapt to machining work of workpieces of different sizes.

An assembly and method for preparing a pipe elbow for welding. The assembly has a cone clamping sleeve assembly adapted to be inserted into an end of the pipe elbow and a faceplate assembly removably affixed to the cone clamping sleeve assembly. The cone clamping sleeve assembly has a face at one end thereof. The face has at least one locating hole and at least one screw hole. The faceplate assembly has at least one locating pin receivable by the locating hole of the cone clamping sleeve assembly. The faceplate assembly has a captive screw threadedly received by the screw hole. The faceplate assembly has at least a pair of centering pins positioned at diametrically opposed locations on a faceplate. The centering pins are radially adjustable and adapted to bear against an inner diameter of the end of the elbow.

The furnace roller rough machining turning equipment comprises a rack, a spindle box is arranged at one end of the top of the rack, a tailstock is arranged at the other end of the top of the rack, and three-jaw chucks used for fixing a furnace roller are arranged on the opposite sides of the spindle box and the tailstock correspondingly. A turning mechanism is further arranged at the position, located between the spindle box and the tailstock, of the top of the rack, the furnace roller turning machine further comprises a movable base, a mounting plate, a furnace roller supporting mechanism and a furnace roller axial limiting mechanism, the mounting plate is arranged above the movable base, and position adjusting structures are arranged between the mounting plate and the movable base and between the movable base and the rack. The furnace roller supporting mechanism is mounted at the top of the mounting plate and used for supporting and fixing the furnace roller, the furnace roller supporting requirements of various specifications can be met, the supporting device does not need to be frequently replaced, the universality and applicability of equipment are improved, and the equipment cost and the use cost are reduced.

The application belongs to the technical field of crankshaft turning, in particular to a crankshaft machining and turning device, which comprises a lathe base, a fixing base is fixed to the top end of the lathe base, a sliding base is slidably connected to one side of the lathe base away from the fixing base through a No.1 electric sliding block, two V-shaped clamping blocks are arranged to clamp the outer wall of the crankshaft during turning, two conical rods are arranged to clamp the two ends of the crankshaft, the two V-shaped clamping blocks can clamp crankshafts of different thicknesses for turning, after the two ends of the crankshaft raw material are clamped by the two conical rods, four clamping plates are arranged at the crank wall on both sides of the turning position to clamp, which replaces the traditional clamping mode of the two ends of the crankshaft, can self-adaptively adjust the clamping position to clamp both sides of the turning position, improves the stability of clamping the eccentric crankshaft, reduces the situation of falling off of the crankshaft, improves the machining quality and the safety of the equipment, and reduces the failure rate and maintenance cost in the production process.

The invention relates to the technical field of motor shaft turning, and discloses a motor shaft production turning device which comprises a machine base, a machine shell is installed on the machine base, a turning assembly used for turning a motor shaft is arranged on the machine base, and a guide rail block is fixedly connected to the top inner wall of the machine shell. The control assembly drives the two moving arms to be matched with the conical clamping heads to be clamped in prefabricated holes in the two ends of the motor shaft, centering clamping is achieved, then the stabilizing devices on the two moving arms can achieve multi-position self-adaptive clamping and supporting of different positions of the motor shaft, center clamping is achieved when the two ends are turned, and two-end clamping is achieved when the center is turned. A machining area avoids a supporting point, rotation of the motor shaft and radial run-out in the turning process can be effectively limited, it is guaranteed that the motor shaft is machined in place at a time in the turning process, time loss and errors caused by multiple times of clamping are reduced, the machining efficiency is remarkably improved, and meanwhile the machining cost is reduced. And the dimensional precision and the coaxiality consistency of all the machining parts of the motor shaft are guaranteed.

The invention relates to the technical field of motor production and machining, and provides a motor shaft turning device which comprises a workbench and a tool rest installed at the top end of the workbench. A base is installed at the top end of the workbench, a centering structure is arranged on one side of the top of the base, and a clamping mechanism is installed on one side of the centering structure; a rack is fixed to one side of the top end of the workbench, a conveying mechanism is installed at the top of the rack, and a collecting cavity is installed at the bottom of the workbench. The material conveying mechanism is arranged, the conveying wheels are arranged on the top of the rack, the motor shaft can be automatically turned over by 90 degrees after material changing is finished, automatic conveying of a single motor shaft is achieved, manual intervention is avoided, the material changing time is shortened, and the material conveying mechanism, the centering structure and the clamping mechanism are cooperatively matched, so that the material changing efficiency is improved. The complete process integration of automatic feeding, precise centering, stable clamping, turning machining and automatic discharging of the motor shaft is achieved, and the machining precision, the production efficiency and the stability of motor shaft turning are remarkably improved.

The invention discloses a turning device for steel pipe pole production, and particularly relates to the technical field of workpiece turning, the turning device comprises a turning rack and a steel pipe pole main body, and a turning tool bit frame used for turning the end face of the steel pipe pole main body is mounted in the turning rack; a stable cutting assembly used for rigid supporting and heat conduction with the interior of the steel pipe pole body is arranged in the turning rack. The stable cutting assembly comprises a plurality of stable frames installed in the steel pipe pole body, and the top of each stable frame is fixedly connected with a dispersed support. The stable frames and the steel pipe pole body are in multi-point contact design, the scattered supports can be driven to synchronously support the steel pipe pole body in a multi-point mode, it is effectively avoided that the stable frames directly cover the interior of the steel pipe pole body in a large area, large-area shielding on a heat dissipation face is avoided, and discharging can be smoothly conducted through the discharging-in channels in the tops of the scattered supports; and the problem of local overheating caused by turning heat accumulation is effectively avoided, and finally the completeness of turning machining of the steel pipe pole body is guaranteed.

A machine tool 1 includes tool holding parts 31 and 32 that hold tools 21 and 22, a first main shaft 11 that grips a workpiece W and is capable of rotating the gripped workpiece W in a first rotation state which enables lathe-turning along a first direction of the workpiece, a second main shaft 12 that grips the workpiece W and is capable of rotating the gripped workpiece W in a second rotation state which, different to the first rotation state, enables lathe-turning along an extending direction in a second direction of the workpiece different from the first direction, and a control part 16 that controls the first main shaft 11, the second main shaft 12, and tool holding parts so that the workpiece W is lathe-turned by the tools 21 and 22 held by a tool holding part 15.

A variable-speed thin-wall shell turning vibration suppression method is suitable for the problem of turning vibration caused by poor rigidity of a thin-wall shell, belongs to the technical field of machining, and comprises the following steps: step (1), preliminarily determining an optimal turning speed range Smin-Smax of the shell; step (2), preliminarily determining the speed a1 of increasing or decreasing the rotating speed of the main shaft along with the change of the Z-axis point position; (3) if the composition structures of the turning molded surface are various, Z-coordinate theoretical connection points among the composition structures are determined; (4) on the basis of numerical software, the machining method according to the claim 1 is adopted, and respective Z-axis point position reduction rates a2 are set for different composition structures; calculating actual connection point positions among the composition structures, comparing the actual connection point positions with the theoretical connection point positions in the step (3), and modifying a2 to enable the error between the actual connection point positions and the theoretical connection point positions in the step (3) to be within 0.01 mm; and (5) turning is conducted, and the vibration reduction effect is tested.

The invention is applicable to the technical field of thread cutting, and provides a cutting system for processing a reverse-thread nut stud, which comprises a conveying frame, two groups of high-temperature-resistant conveying belts which are arranged in parallel are arranged between the two supporting frames from top to bottom in a transmission manner; a cutting frame is fixedly mounted on the side surface of the U-shaped seat; the outer wall of the rotating shaft is provided with a reciprocating spiral groove matched with a left-hand thread on the circumferential side face of the left-hand thread nut column. A sliding seat matched with the reciprocating spiral groove is arranged on the inner bottom face of the U-shaped table in a sliding mode. A cutting piece in sliding fit with the sliding rail is rotationally arranged on the side face of the sliding base. According to the system, the two sets of high-temperature-resistant conveying belts are used in cooperation with the clamping pieces and the stopping pieces, charging, discharging and tool setting of a to-be-cut nut column body are achieved, the automation degree is high, meanwhile, the clamping pieces and the stopping pieces complete fixed clamping of the to-be-cut nut column body, the working efficiency is improved, and the working efficiency is improved. The working efficiency is improved, meanwhile, the turning stability is improved, and then the turning quality is improved.

A turning machining device for a spherical grating comprises a rotary motion shaft, an X-axis linear motion module capable of driving the rotary motion shaft to move in the X direction is installed below the rotary motion shaft, and a tool plate used for fixing a spherical grating piece to be machined is fixedly installed on the end face of the rotary motion shaft. A Z-axis linear motion module perpendicular to the X-axis linear motion module is arranged on one side of the X-axis linear motion module, a rotating module capable of rotating in the horizontal direction is installed on the Z-axis linear motion module, a first tool rest and a second tool rest which are linearly arranged are installed on the rotating module, a rough turning tool is installed on the first tool rest, and a rough turning tool is installed on the second tool rest. A finish turning tool is installed on the second tool rest. Compared with a traditional chemical etching method, the machining device for the spherical grating has the advantages of being low in cost and easy to operate when used for machining the spherical grating, and the machining efficiency of large-breadth spherical gratings can be improved while the machining precision is guaranteed; the method has the advantage of effectively simplifying the spherical grating manufacturing process.

The invention relates to the technical field of numerical control turning, in particular to numerical control turning equipment for a complex curved surface aluminum alloy workpiece, which comprises a rack, a driving box is arranged on one side of the top of the rack, a chuck is fixedly connected to the output end of the driving box, a plurality of clamping jaws are arranged on the chuck, and an aluminum alloy workpiece is clamped on the chuck and the clamping jaws. An adjusting module is installed on the sliding rail in a sliding mode, and a turning tool is arranged on the adjusting module. The pressure partitioning assembly is arranged on one side of the multiple clamping jaws; the auxiliary supporting assembly is installed on the sliding rail in a sliding mode; the control system comprises a pressure sensor, a displacement sensor, an acceleration sensor and a controller which are electrically connected with the pressure partitioning assembly and the auxiliary supporting assembly. Compared with the prior art, through the pressure partition control strategy that the pressure partition assembly is arranged to be matched with the control system, the machining precision and consistency of the thin-wall workpiece are remarkably improved, meanwhile, the surface of the workpiece is prevented from being damaged by clamping, and high-precision lossless clamping is achieved.

The invention discloses an automobile water tank branch pipe outer circle turning tool and a turning method, and relates to the technical field of turning tool equipment. Comprising a connecting piece connected with a lathe, a fixing piece used for fixing the inner wall of the automobile water tank branch pipe is arranged on the connecting piece, and a releasing piece used for releasing limitation of the fixing piece is arranged on the fixing piece, so that the fixing piece does not rotate along with the connecting piece; according to the device, through two sets of symmetrical propelling threads with opposite thread directions, it is ensured that two sets of propelling rings synchronously move towards the inner side when a lathe rotates, symmetrical clamping of the two sides of a branch pipe is achieved, the eccentric problem caused by single-side clamping is avoided, and through four sets of evenly-distributed first connecting lugs, four sets of evenly-distributed fourth connecting lugs and corresponding first adjusting rods and second adjusting rods, the clamping precision is improved. And meanwhile, the rubber abutting blocks of the clamping blocks and the anti-skid rubber layers of the first clamping block and the second clamping block form flexible clamping from the inner side and the outer side, the branch pipe is prevented from slipping, and metal scratching is avoided.

The invention relates to the technical field of turning, in particular to a numerical control lathe for hydraulic pump machining and a hydraulic pump cylinder turning method.The numerical control lathe comprises a lathe shell, a workbench and a turning tool, the workbench is fixedly arranged in the lathe shell, a clamping rotating mechanism is arranged on the workbench, and a sliding frame is slidably arranged on the workbench in the length direction of the workbench; the lathe tool is arranged on the sliding frame through an adjusting assembly, a driving mechanism connected with the sliding frame is arranged on the workbench, a triggering mechanism matched with the sliding frame and the driving mechanism is arranged on the workbench, and the adjusting assembly is connected with the triggering mechanism through a transmission mechanism. Stable clamping and synchronous rotation of hydraulic pump cylinder bodies of different sizes are achieved through the clamping and rotating mechanism, closed-loop control is formed through cooperation of the clamping and rotating mechanism and the sliding frame, the driving mechanism and the triggering mechanism, and successive turning of multiple sections of outer circles can be continuously completed under the condition that shutdown, manual measurement or secondary clamping is not needed; and the problems of abrupt increase of power and heavy load of equipment caused by one-time large-depth cutting penetration are avoided.

The invention belongs to the technical field of positioning tools, and particularly relates to a positioning tool for motor shaft machining. Comprising a base, a chuck is installed on the base, the base is in sliding connection with an electric sliding frame through an electromagnetic sliding rail, the electric sliding frame is fixedly connected with a top column, the base is in sliding connection with a sliding block, the sliding block is fixedly connected with an electric control push rod, an elastic block is fixedly connected to a telescopic part of the electric control push rod, and the elastic block is fixedly connected with a supporting plate. The telescopic part of the electric control push rod and the elastic block are used for actively and passively adjusting the height of the supporting plate correspondingly, and the supporting plate is used for supporting the motor shaft so as to resist the radial force borne by the motor shaft in the machining process and perpendicular to the axis of the motor shaft. The turning position of the motor shaft is supported through the supporting plate, so that the probability that the chuck is loosened and the motor shaft is deformed due to the fact that the motor shaft is pressed in the turning process is reduced, the turning stability of the motor shaft is guaranteed, and the machining quality of the motor shaft is improved.

The invention relates to the technical field of butterfly nut producing and machining devices, and provides a butterfly nut machining device and method.The butterfly nut machining device comprises a mounting plate, a fixing base, a pressing piece, a positioning pressing plate and a side pressing assembly, and a positioning groove is formed in the fixing base and used for positioning a butterfly nut; the positioning pressing plate is locked on the fixing seat through the pressing piece, the positioning pressing plate is used for pressing the cylinder part of the butterfly nut, and a receding hole communicated with the through hole is formed in the positioning pressing plate in a penetrating mode; the side pressing assembly is arranged on the mounting plate and is used for pressing the side plate part of the butterfly nut; the side pressing assembly comprises a linear air cylinder, a lifting block and a pressing block, the linear air cylinder is arranged on the other side of the mounting plate, the lifting block is connected with a piston rod of the linear air cylinder, and the pressing block is integrally connected with the lifting block. The machining device has the effect of improving the machining stability of the butterfly nut.

The utility model relates to the technical field of belt pulley machining, in particular to a belt pulley turning tool, which is sleeved in a back cavity of a belt pulley and comprises a positioning main body, a turning part, a turning part, a turning part and a turning part, the whole positioning main body is disc-shaped, and movable grooves are arranged on the periphery of the positioning main body at intervals around the axis; the first positioning block is arranged corresponding to the movable groove and slides in the movable groove; the adjusting module comprises a limiting bolt and an adjusting spring, and the limiting bolt enables the first positioning block to be connected into the movable groove in a screwed mode so that the first positioning block can slide in the movable groove along the limiting bolt. According to the belt pulley turning tool, the adjusting module is arranged between the movable groove of the positioning body and the first positioning block, and the first positioning block can slide in the movable groove in the length direction of the limiting bolt under the action of the adjusting spring, so that the first positioning block can expand the outer diameter of the positioning body; and the adaptive capacity of the belt pulley turning tool is effectively improved.

The invention discloses metal cylinder body machining equipment which comprises a feeding storage mechanism, a double-station turning mechanism, a supporting and positioning mechanism and a discharging and carrying mechanism, a plurality of metal cylinder bodies are pre-stored through the feeding storage mechanism, and a complete automatic assembly line is constructed in combination with an obliquely-arranged transfer roller path and the discharging and carrying mechanism; the equipment can finish centralized feeding of a plurality of workpieces at one time, and can automatically and continuously finish conveying and machining of all metal cylinders, so that nearly uninterrupted continuous production is realized, the utilization rate of a machine tool is improved to the maximum extent, and the overall machining efficiency is greatly improved. By means of the double-station layout, turning machining of different end faces of the metal cylinder body can be completed on the two stations in sequence in the conveying process of the metal cylinder body along the transfer roller path. And the link of repeated hoisting when the other end is processed in the traditional process is avoided, and a large amount of time can be saved.

The invention belongs to the field of aero-engine manufacturing, and discloses a precision turning tool and method for machining a shell bearing assembly with a coating, the precision turning tool comprises a rotary base and an annular wedge block, the rotary base specifically comprises a clamping cylinder, a split type cylinder and a taper hole, rapid end face fitting positioning of the tool and the shell bearing assembly is achieved through a threaded hole, and the annular wedge block is arranged on the rotary base; and the adjusting screw is used for driving the annular wedge block to be pressed into the taper hole, so that the split type cylinder generates radial expansion, and a tensioning structure is formed. By the adoption of the tool, equipment dependence is remarkably reduced, the requirement for precise turning of the coating can be met without a high-precision machining center and a common numerical control lathe, efficiency is greatly improved, single-piece complex alignment is omitted, rapid batch clamping and positioning of shell assemblies are achieved, the numerical control lathe widely existing in common workshops has the high-precision machining capacity, and the cost is reduced. And production restriction caused by shortage of expensive special equipment is avoided.

Shaft alignment in machine tools is facilitated. The machine tool includes: a first spindle holding one end of a workpiece; a second spindle holding another end of the workpiece; a sensor detecting a physical quantity related to a vibration during synchronous rotation of the first spindle and the second spindle with the workpiece being held by the first spindle and the second spindle; and a controller performing shaft alignment between the first spindle and the second spindle based on the physical quantity.

The application discloses a kind of outer circle turning tool and turning method of automobile water tank branch pipe, it is related to turning tool equipment technical field;Including: the connecting piece being connected with lathe, the fixed part for being fixed to the inner wall of automobile water tank branch pipe is arranged on the connecting piece, the release part for releasing the fixed part is arranged on the fixed part, so that the fixed part does not rotate with the connecting piece;In the application, by two groups of symmetrical and opposite screw threads, it is ensured that two groups of advancing rings move synchronously to the inside when lathe rotates, the eccentric problem caused by one-side clamping is avoided, in addition, four groups of evenly distributed connecting lug one, connecting lug four and corresponding adjusting rod one, adjusting rod two, make four groups of clamping blocks move synchronously and evenly stressed in radial direction, guarantee the accuracy of centering, at the same time, the rubber abutting block of clamping block and the antiskid rubber layer of clamping block one and clamping block two form flexible clamping from inside and outside, which prevents the branch pipe from slipping, and avoids metal scratches.

The application belongs to the technical field of numerical control processing, in particular to a turning equipment for precise metal structural parts, which comprises an adjusting part, a modified seat, an annular metal part arranged at the axis of the upper surface of the modified seat, a rotating part arranged in the interior of the modified seat and used for twisting the placed annular metal part, and a butt joint part arranged at the axis of the modified seat. The device modifies the modified seat of the bearing metal part, so that the counterweight shaft cylinder can drive the heavy metal part to rotate centrifugally without being blocked by friction due to excessive pressure, thus avoiding the problems of serious wear or difficulty in rotation of the bottom of the counterweight shaft cylinder. Since the mass of the metal part is large and the rotational inertia is also large, a certain time is needed for deceleration and stopping. At this time, the lower pressure suction cylinder can perform suction and pressure work on the annular rotating groove, and the embedded rolling ball applies resistance to the rotation of the counterweight shaft cylinder, thereby promoting the deceleration of the metal part and reducing the adverse effects caused by inertia.