105 results about "Machining fluid" patented technology

The invention discloses a circulating device. The circulating device comprises a material barrel, an infusion pump and a return pipe, and the material barrel is filled with working fluid; the lower part, with a liquid inlet, of the infusion pump is inserted into the charging basket and is positioned below the liquid level; a liquid outlet is formed in the upper part of the infusion pump; one end of the backflow pipe is communicated with a liquid outlet of the infusion pump, the other end of the backflow pipe is connected with the side wall of the bottom of the material barrel and communicated with the interior of the material barrel, and at least one part of liquid pumped by the infusion pump enters the bottom of the material barrel through the backflow pipe. According to the circulating device, the pumped-out machining liquid flows into the bottom of the material barrel through the backflow pipe, so that the machining liquid in the bottom of the material barrel is in a flowing state, the probability that the machining liquid at the bottom of the material barrel settles is reduced, the bottom settling phenomenon is reduced, and the machining effect and the product machining yield are improved.

The present invention relates to the technical field of hydraulic cylinder processing. The present invention provides an automatic processing equipment for the cylinder barrel of a hydraulic oil cylinder, which includes a CNC lathe body, a tailstock is arranged inside the CNC lathe body, and also includes a chuck, a coaxial clamping assembly, an adjusting assembly, a rotating cylinder and a grinding assembly. The chuck is arranged inside the CNC lathe body, and the chuck includes an inner chuck and an outer chuck. The outer chuck is fixed and coaxially installed on the outside of the inner chuck. The inner chuck is coaxially fixedly connected to the tail end of the main shaft of the CNC lathe body. The coaxial clamping assembly is arranged inside the inner chuck and the outer chuck, and the adjusting assembly is arranged inside the inner chuck and the outer chuck. The rotating cylinder is rotatably installed at the end of the tailstock, and a conical top block is detachably installed at the end of the rotating cylinder. The grinding assembly is installed inside the tailstock. Through the above technical scheme, the technical problem in the prior art that when processing the cylinder barrel of a hydraulic cylinder, the clamping positions are different when processing the outer circle and the inner hole respectively, which makes it difficult to ensure good coaxiality is solved.

The utility model discloses a cooling liquid diversion protection clamp in cutter machining, which comprises a base, the base is connected to a machining table through screws, the upper end face of the base is fixedly connected with a positioning piece, the positioning piece is connected with a clamping supporting piece, the top of the clamping supporting piece is provided with a clamping pressing piece, the top of the clamping supporting piece is provided with a first V-shaped groove, and the clamping pressing piece is provided with a second V-shaped groove. The clamping and pressing piece comprises a top plate, screws and a pressing block, a second V-shaped groove is formed in the bottom of the pressing block, the clamping and supporting piece is provided with a protective cover, the base is of a cavity structure, a through groove is formed in the edge of the bottom, a liquid return pipe is inserted into one end of the base, a supporting seat is fixed to the bottom, and the clamping and supporting piece is connected with the positioning piece and the top plate in a matched mode through the screws and clamping grooves. A guide groove is formed in the first V-shaped groove, and the screw is rotationally connected with the lower pressing block through a rotating base. And rotation interference of the lower pressing block is avoided, the clamping precision is improved, the cooling liquid recycling function is achieved, machining liquid is prevented from overflowing to pollute the environment, and meanwhile the use safety is improved through a protective cover.

An electric discharge machine includes an electric discharge machining unit that performs electric discharge machining on a workpiece in a machining liquid, and a filter that removes sludge contained in the machining liquid, and in a case where the workpiece is made of an aluminum-based material, the electric discharge machining is performed using a machining liquid whose specific resistance value becomes a prescribed value or less by adding an agent, the prescribed value being a value of 30,000 [Ωcm] or less.

The application relates to the field of connector manufacturing devices, and discloses a manufacturing device for an electric connector, which comprises a track and a machining groove located below the track, a central shaft is arranged below the track, the outer surface of the central shaft is provided with a plurality of hanging rods arranged in a ring array and used for placing workpieces, a control assembly for driving the central shaft to move is arranged on the track, and an adjusting assembly is arranged between the control assembly and the central shaft. Through cooperation between the central shaft, the control assembly, the adjusting assembly and the hanging rods, the workpiece can be lowered into the machining groove to complete machining, the workpiece can also be rotated in the machining groove to improve the electroplating effect, and the workpiece can also be self-rotated after being lifted and reset, so that the machining liquid on the hanging rods and the workpiece is prevented from remaining, the machining liquids in different workstations in the machining groove are prevented from influencing each other, and the overall electroplating quality can be further ensured to be reliable.

The invention relates to the technical field of numerical control machine tools, in particular to a mechanical-hydraulic coupling driving cutting stability enhancement and process parameter collaborative design method and system, a machine tool hydraulic coupling dynamic model is constructed, and cutting process parameters and hydraulic pressure vibration suppression system control parameters are collaboratively optimized by adopting a multi-objective optimization algorithm based on the coupling dynamic model. According to the method, the limit cutting depth and the vibration suppression amplitude value are maximized at the same time, cutting force and vibration signals are collected in real time in the machining process according to the optimization result, dynamic stability control over the cutting process is achieved, online correction process parameters and vibration suppression parameters are fed back based on the real-time control effect, and a closed-loop collaborative optimization control strategy is formed. A dynamic, active and self-adaptive cutting stability enhancing system is constructed through mechanical-hydraulic coupling driving and collaborative optimization design, and a brand-new systematic solution is provided for realizing stable, efficient and high-precision machining in a wider process window through deep collaboration of the process and control.

The utility model discloses a machine tool liquid internal circulation shunting device which comprises a fixed Y-axis water tank, a movable Y-axis water tank installed in the fixed Y-axis water tank, an X-axis water tank arranged at one end of the movable Y-axis water tank and a driving device used for pushing the movable Y-axis water tank to move. The other end of the movable Y-axis water tank is provided with a third water outlet which is in alternate butt joint with the first water outlet and the second water outlet, one end of the X-axis water tank is in butt joint with the machine tool water outlet, and the other end of the X-axis water tank is always kept above the movable Y-axis water tank. The movable Y-axis water tank is pushed by the driving device to slide in the fixed Y-axis water tank, so that the third water outlet can be alternately in butt joint with the first water outlet and the second water outlet for water drainage, machining liquid and cleaning liquid of the machine tool are recycled, and the situation that the performance effect is greatly reduced due to mixed use of different liquids of the machine tool is avoided; and the recycling times can be increased, and the use cost is reduced.

The invention discloses a CRDM tube socket external thread positioning and electric spark machining device, method and system, and relates to the technical field of nuclear power plant CRDM tube socket external thread machining. The machining device comprises a driving platform assembly, a machining liquid tank, an electrode driving device, an electrode set and a clamping assembly. Two electrode sets are arranged in the machining fluid tank and used for conducting formed thread rough machining and formed thread finish machining on a pipe base to be machined respectively, and each electrode set comprises two semi-separated thread electrodes oppositely arranged in the radial direction of the machining fluid tank. Four electrode driving devices are arranged between the driving platform assembly and the machining fluid tank, and each electrode driving device is connected with the corresponding semi-separation type thread electrode and used for driving the semi-separation type thread electrode to move in the radial direction of the machining fluid tank. According to the invention, the stability, the success rate and the efficiency of positioning work can be improved, and the efficiency and the precision of machining the external threads of the tube socket can be improved.

The invention provides a double-liquid-tank type electric spark electrolysis ultrasonic combined machining machine tool which is characterized in that a workbench is fixed on a machine body, and an electric spark machining head and an electrolytic machining head which are used for machining a workpiece are arranged on the machine body; the first machining fluid tank and the second machining fluid tank are arranged on the base in a reciprocating mode in the horizontal direction and the vertical direction, and when the first machining fluid tank and the second machining fluid tank horizontally move to the machining position and vertically ascend and descend, the workbench can be allowed to stretch into the first machining fluid tank and the second machining fluid tank. When the working table extends into the first machining liquid tank or the second machining liquid tank, the working table serves as the tank bottom of the first machining liquid tank or the second machining liquid tank to define a machining tank structure, and electrolyte or electric spark machining liquid capable of completely immersing a workpiece can be reserved in the machining tank structure. Rapid switching between a to-be-machined position and a machining position can be achieved, different machining procedures can be connected without re-clamping of a workpiece, the time for halting for workpiece replacement and positioning calibration is shortened, and the production efficiency is improved.

The utility model provides a low-speed wire cutting machine tool working fluid circulation purification device, which relates to the technical field of circulation purification devices and comprises a low-speed wire cutting machine tool, a fluid drainage window, a dirty fluid collection tank body, a swirler, a clear fluid heat preservation box, a filter, a constant temperature control structure, a water pump and a heat preservation structure. The waste liquid collecting tank body is used for collecting waste liquid generated when the low-speed wire cutting machine cools machining materials, then large-mass impurities in the waste liquid in the waste liquid collecting tank body are preliminarily separated through the hydrocyclone, and then fine filtering is conducted on the waste liquid with the large-mass impurities preliminarily removed through the filter to remove fine impurities. And then the filtered water is guided into the clear liquid heat preservation box for temporary storage, the constant temperature control structure is used for controlling the temperature of the working fluid in the clear liquid heat preservation box to be constant through heating or refrigerating, and the situation that the material cooling machining quality is affected due to temperature fluctuation during cooling use is avoided.

The invention discloses metal cooling liquid for titanium alloy cutting machining and a preparation method of the metal cooling liquid, and belongs to the technical field of metal machining liquid. The cooling liquid consists of the following components in percentage by mass: 20-30% of base oil, 0.5-1.5% of surface-modified hexagonal boron nitride nanoparticles, 15-25% of a compound emulsifier, 5-10% of an extreme pressure lubricant and the balance of other auxiliaries and water, wherein the composite emulsifier is a compound of polyoxyethylene oleyl alcohol ether and phosphate, nano h-BN is dispersed in an oil phase through reverse phase titration emulsification, then a water phase is slowly dropwise added into the oil phase for emulsification, enrichment of h-BN nano particles on an oil-water interface is remarkably promoted, and therefore the lubricity, the cooling efficiency and the stability of the cooling liquid are greatly improved. The cooling liquid prepared by the invention can effectively reduce the cutting temperature and the friction coefficient, remarkably prolong the service life of a cutter and improve the surface quality of a workpiece, and is environment-friendly in formula and long in service life.

The application relates to the technical field of machine tool fault diagnosis, and discloses an electric spark machine tool fault diagnosis method and system, an electric spark machine tool fault diagnosis method, which comprises the following steps: step S101, obtaining an electric conductivity characteristic quantity and a machining liquid characteristic quantity through pretreatment; step S102, obtaining a balance coefficient by executing a micro-process stimulation on the machine tool; step S103, obtaining an equivalent coupling driving vector through calculation; step S104, obtaining a hysteresis characteristic quantity through calculation; and step S105, obtaining the running state of the electric spark machine tool through a fault diagnosis model. According to the application, the electric conductivity and the machining liquid characteristic quantity are obtained through orthogonal decoupling, the balance coefficient is obtained by combining the micro-process stimulation, the equivalent coupling driving vector is constructed, and the hysteresis characteristic quantity is extracted, so that the running state of the electric spark machine tool can be accurately diagnosed, targeted maintenance strategies can be provided for different fault types, the blindness of maintenance can be avoided, the fault disposal efficiency can be greatly improved, and the risk of equipment damage can be reduced.

The utility model relates to the technical field of quartz round rod processing, in particular to a quartz round rod angle processing device which comprises a rack, a displacement plate capable of displacing along the rack is arranged in the rack, a plurality of placing plates are arranged on the displacement plate and can be used for placing quartz round rods, a connecting frame connected with the rack is arranged on the rack, and the connecting frame is connected with the rack. A displacement block which is connected with the connecting frame and can move is arranged in the connecting frame, a machining part which can move and can machine the quartz round rods on the containing plate is arranged below the displacement block, and a water supply box which can provide machining liquid when the quartz round rods are machined is arranged in the machining part; a collecting cavity capable of collecting working fluid is formed in the machine frame, a filtering box capable of filtering the working fluid is arranged in the collecting cavity, and the filtered working fluid in the collecting cavity can circularly flow into the water supply box.

Provided is a machining tool system configured to be utilized in an environment in which a hydraulic fluid and a processing fluid are mixed, in which a water-soluble material that does not contain an oil-soluble materials derived from a mineral is used for the hydraulic fluid and the processing fluid (collectively, the “fluids”). The machining tool system includes: collecting means for collecting the fluids after a lubricating effect ends while being mixed, the collecting means being disposed downstream of a lubricating flow path of the machining tool; a discharging container communicating with the collecting means and storing the fluids; and circulating means for suctioning the fluids inside the discharging container without separation into oil and water from an inlet port in the discharging container at a position separated from a bottom portion and returning the fluids to a supply flow path of the processing fluid and / or the hydraulic fluid.

Provided is a machining apparatus capable of improving the life of tools used for machining. A machining apparatus is provided with an emulsion diameter expansion device (3) and a supply device (4). The emulsion diameter expansion device (3) applies negative pressure, shear force, or collision force to a processing fluid (PF) containing emulsion particles to expand the diameter of the emulsion particles. The supply device (4) supplies the processing fluid (PF), in which the particle diameter of the emulsion particles has been expanded by the emulsion diameter expansion device (3), to a processing point (P0), which is a contact point between a workpiece (W) and a tool (1) during machining.

The application belongs to the technical field of iron phosphate solution mixing equipment, and discloses a machine-fluid double stirring device for efficiently mixing iron phosphate solution, which comprises a mixing cylinder body, wherein the mixing cylinder body is connected with a feeding port, a gas outlet, a discharging port, a cylinder cover body, a first box body, a second box body and a support frame; the gas outlet is communicated with a pneumatic assembly through a tee pipe; the discharging port is connected with a control valve; the first box body is connected with a liquid pumping assembly, a motor and a transmission belt set; the liquid pumping assembly comprises an eccentric wheel, a sleeve and a piston rod set; the transmission belt set is connected with a stirring rod set; the sleeve is communicated with a first conduit; the piston rod set is connected with a connecting rod; the eccentric wheel is provided with a groove; and the connecting rod is in sliding abutment with the groove. The stirring rod and the liquid pumping assembly are used for mechanically stirring and hydraulically stirring the solution in the mixing cylinder body, and the two simultaneously act on the solution, so that the mixing efficiency of the solution in the preparation process of the iron phosphate solution is high, the uniformity is good, the production cost is effectively controlled, and the quality and performance of the final product are ensured.

The utility model discloses anodic oxidation equipment, which belongs to the technical field of anodic oxidation equipment and comprises an electrolysis tank, a partition plate and an oxidation uniformizing mechanism, the partition plate is fixedly connected to the inner bottom wall of the electrolysis tank, the oxidation uniformizing mechanism is mounted on one side, far away from the partition plate, of the electrolysis tank, and the surface of the oxidation uniformizing mechanism extends into the electrolysis tank; and the oxidation homogenizing mechanism comprises a motor fixedly connected to the side face of the electrolysis tank, and an output shaft of the motor is connected with a reciprocating swing assembly. By means of the mode, the reciprocating swing assembly is matched with the telescopic regulation and control assembly, a workpiece needing to be machined can be placed in a proper deep position in the electrolysis tank, it is kept that machining liquid makes full contact with the surface of the workpiece, bubbles generated on the surface of the workpiece are separated from the workpiece in time in the swing process in the machining process, and the machining efficiency is improved. And the surface of the workpiece makes full contact with machining liquid stored in the electrolysis tank, and the machining effect of the surface of the workpiece is more uniform.

A wire electric discharge machine (100) has: a machining liquid control section (31) that temperature-controls a machining liquid (13), acquires a temperature difference between a first temperature at which a machining result is measured based on a temperature of the machining liquid (13) detected during machining and a second temperature at which machining is performed; a first control section that calculates a machining error between a size of the workpiece (W) after machining by a target size at the first temperature measurement based on the acquired temperature difference, a thermal expansion coefficient of the workpiece (W), and thermal expansion coefficients of an X-axis linear scale (2b) and a Y-axis linear scale (3b), corrects the target size in real time during machining by the calculated machining error, drives an X-axis table (2) having an X-axis drive section (2a) and a Y-axis table (3) having a Y-axis drive section (3a) based on an axis command value of the corrected target size; and a second control section that performs a pass / fail determination of machining performed by the corrected target size, and changes the axis command value in the case of failure.

To provide a wire electric discharge machine that can extend a service life of a filter 32, even when subjecting an aluminum-based material to electric discharge machining.SOLUTION: A wire electric discharge machine (10) according to an embodiment in the disclosure subjects an aluminum-based material to electric discharge machining. A processing liquid used for electric discharge machining in the wire electric discharge machine includes one or more cations selected from potassium ions, calcium ions, sodium ions, and magnesium ions, and one or more anions selected from sulfate ions, sulfite ions, disulfite ions, hydrogen sulfite ions, hydroxide ions, nitrate ions, and nitrite ions.SELECTED DRAWING: Figure 1

The invention relates to the technical field of laser precision machining, and discloses a nanoscale high-definition laser plate roller technology which comprises the following steps that the surface of a plate roller workpiece is coated with dielectric machining liquid, and a liquid film machining interface is formed; starting a non-contact ultrasonic traveling wave generator array, stabilizing the flow of the liquid film, and maintaining the thickness of the liquid film to be uniform; a laser is started, light beams of the laser penetrate through the uniform liquid film, and ablation machining is conducted on the plate roller workpiece; during processing, starting an electrostatic auxiliary chip removal system, applying direct-current high voltage between the workpiece and a processing liquid system, and actively capturing ablative particles; and meanwhile, an online light scattering turbidity sensor is started, downstream turbidity changes are monitored, turbidity signals are fed back to a laser control system in a closed loop mode, and the position of a laser focus is adjusted in real time. According to the invention, an electrostatic auxiliary chip removal system is utilized, and a high-voltage direct-current electric field is applied, so that active and directional capture and removal of ablated particles are realized, the processing cleanliness is improved, and a plate roller surface almost free of redeposition pollution is obtained.

The utility model relates to the field of metal working fluid cooling, in particular to a metal working fluid cooling device which comprises a cooling box, a box body is fixedly connected to the top of the cooling box, an adjusting assembly is fixedly installed on the left side of the box body, and a discharging pipe is fixedly connected to the bottom of one side of the cooling box. The air cylinder is opened, the air cylinder pushes the connecting plate to move left and right, the connecting plate drives the toothed plate to move left and right, the toothed plate drives the gear to rotate, the gear drives the air guide plate to rotate, the air inlet pipe is fixedly connected to the top of the other side of the cooling box, the air inlets are formed in the tops of the two sides of the box body, and the air outlet is formed in the bottom of the box body. The air direction adjusting effect can be achieved, air can be blown to different positions in the cooling box, the cooling effect of metal working fluid is effectively improved, the requirements of users are met, and the problems that an existing cooling device does not have the air direction control function and can only conduct air blowing cooling in the fixed direction are solved.

The utility model discloses a machine tool machining fluid recovery device which comprises a turnover vehicle, a collecting tank and a fluid collecting container. The collecting tank is provided with a tank body, a buffer plate obliquely arranged in the tank body and provided with a plurality of hollow holes, a filter screen plate located below the buffer plate and positioned and arranged in the tank body, and a liquid outlet formed in the bottom wall of the tank body, the buffer plate is used for bearing and reducing the speed of a workpiece and separating and discharging machining liquid brought by the workpiece, and the filter screen plate is used for filtering the machining liquid; the liquid collecting container is positioned and arranged on the turnover vehicle, is communicated with the liquid discharging opening and can also be communicated with a liquid returning opening of the machine tool. The machine tool machining fluid recovery device is simple and reasonable in structure, machine tool machining fluid can be recycled in a filtering mode, production waste is greatly reduced, and pollution to the machining environment is effectively avoided; and good coordination and cooperation with a machine tool can be achieved, and the machining quality is effectively improved.

The invention discloses a low-speed wire cutting machine waste wire recovery device which comprises a machining groove, a machined workpiece with machining liquid in the machining groove immersed in the machining liquid and a wire discharging nozzle below the machined workpiece. A wire cutting traction wheel pair is arranged below the wire discharging nozzle to drag a cutting wire and downwards drag the cutting wire, a wire guide pipe is obliquely arranged, and waste wires are guided out of the machining groove. The cutting wire traction wheel arranged on the lower portion of the wire feeding nozzle is used for pulling the cutting wire to penetrate through the wire feeding nozzle, the cutting wire enters the waste wire box, an inlet of the wire guiding pipe is located below the driving traction wheel, an outlet of the wire guiding pipe is located above the machining liquid level, and the cutting wire guiding mechanism guides the cutting wire into the inlet of the wire guiding pipe. The automatic wire feeding process is simplified, waste cutting wires are guided out of the machining groove through the wire guide pipe with the outlet higher than the liquid level of the machining groove, and meanwhile the problem that machining liquid leaks out of the wire outlet is avoided.

According to an aspect of the present disclosure, a control device for controlling an electric discharge machine is provided with: an electric discharge machining unit for performing electric discharge machining on a workpiece in a machining fluid; and a filter that removes machining chips contained in the machining fluid, the control device comprising: a determination unit that determines whether or not the workpiece is made of an aluminum-based material; and a control unit that, when the determination unit determines that the workpiece is made of the aluminum-based material, performs control for adding a chemical agent that reduces the electrical resistivity of the working fluid to the working fluid.

The application discloses a kind of adaptive mixed powder auxiliary electric spark machining system and method, including executing electric spark machining, and the processing subsystem of composite processing liquid injection into processing gap;According to the need of working condition, different particle size of mixed powder is selected, and composite processing liquid is formed by mixing with processing liquid clear liquid according to preset ratio;Mixed powder and working liquid clear liquid in waste liquid are separated, and recycling is recycled to the filtering subsystem of mixed powder subsystem;Mixed powder subsystem includes double-drive stirring mechanism, centrifugal force is generated by mechanical stirring, and the rotational flow stirring is formed by centrifugal force driving and pump liquid driving cooperation, rotational flow stirring and mechanical stirring cooperate, form the space circulation stirring flow along the axis of mechanical stirring shaft.The application cooperates with adaptive liquid supplement and adaptive double-drive stirring, enhances uniformity while effectively shortening non-uniform window period, to solve the contradiction between continuous processing production and mixed powder uniformity maintenance.

The utility model discloses a grinding machine. The grinding machine comprises a grinding machine body and the protection device. The protection device comprises a shell assembly and a base assembly. The base assembly is installed at the bottom end of the shell assembly, a protection space is defined by the base assembly and the shell assembly, the grinding machine body is installed in the protection space, a liquid collecting structure is arranged on the side, close to the protection space, of the base assembly, and the liquid collecting structure is located between the peripheral edge of the grinding machine body and the inner wall face of the protection space. The problem that machining liquid such as cooling liquid easily flows out of a grinding machine shell to the ground, and the ground environment can be polluted is solved.

The invention relates to metalworking process wherein a metalworking tool processes a workpiece at a processing area of a metalworking machine; a fully synthetic metalworking fluid is supplied to at least one of the metalworking machine, the metalworking tool and the workpiece; the fully synthetic metalworking fluid takes up tramp oil, thus forming a used, tramp oil containing fully synthetic metalworking fluid; the used, tramp oil containing fully synthetic metalworking fluid is collected in a container; one or more quaternary ammonium salts of formula [N+(R1)(R2)(R3)(R4)]n Xn-, wherein residues R1, R2, R3 and R4 are selected from araliphatic and aliphatic hydrocarbon residues, with the proviso that two of residues R1, R2, R3 and R4 are hydrocarbon groups with 1 to 4 carbon atoms and the other two of these residues are hydrocarbon residues with 6 to 20 carbon atoms, Xn- being an n-valent anion, and n being 1, 2 or 3, are added to the used metalworking fluid, thus breaking the emulsion of emulsified tramp oil forming free tramp oil; the free tramp oil accumulates at an air-metalworking fluid interface and is removed thereof. Moreover, the invention relates to a method of removing emulsified tramp oil from its emulsion in a fully synthetic metalworking fluid; and the use of the specific quaternary ammonium salts in such removal step to remove emulsified tramp oil from the fully synthetic metalworking fluid. Furthermore, the invention relates to a fully synthetic metalworking fluid containing said quaternary ammonium salt.

The utility model discloses a cooling device for machine part production working fluid, which comprises a shell, a bottom shell is arranged at the lower part in the shell, through holes are uniformly formed in the upper surface of the bottom shell, and air inlet pipes are symmetrically mounted on two sides of the bottom shell; a frame is arranged in the shell, filter screens are evenly installed on the frame, and a pipeline used for extracting working fluid is installed on one side of the frame. Cold air is discharged into the bottom shell through the air inlet pipe, then the cold air is discharged into the working fluid through the air nozzle, the working fluid is cooled, the working fluid can be driven to be stirred through movement of cold air bubbles, the working fluid is comprehensively cooled, and the cooling effect is improved.

The invention discloses a hydraulic valve body machining clamp, and belongs to the technical field of clamping tools, the hydraulic valve body machining clamp comprises a base, and a first mounting plate is rotationally mounted on the base; the two rotary tables are movably and symmetrically arranged on the first mounting plate, and second mounting plates are rotationally mounted on the rotary tables; two clamping assemblies are arranged on each second mounting plate; the four clamping assemblies are used for abutting against the four edges of the hydraulic valve body correspondingly. The hydraulic valve body can be clamped at a time, six surfaces of the hydraulic valve body can be machined, the clamping frequency of the hydraulic valve body is remarkably reduced, the machining efficiency is improved, and machining errors caused by repeated clamping are reduced.

The present invention provides a machine tool 1000 for machining a workpiece using a machining fluid. The machine tool 1000 comprises a workspace 1 for machining a workpiece, at least one fluid consumption unit 2 capable of supplying a machining fluid for workpiece machining to the workspace 1, a hydraulic system 3 that supplies the machining fluid to at least one fluid consumption unit 2, and a control device 4 for controlling the machine tool. The hydraulic system 3 comprises a pump 32 for transporting the machining fluid, an inlet 35 through which the machining fluid transported by the pump 32 is guided to at least one fluid consumption unit 2, a first measuring unit 351a and a second measuring unit 351b assigned to the inlet, and a flow rate measuring device 351. These are each configured to detect the flow rate of the machining fluid in the inlet 35. In this example, the control device 4 is configured to control the machine tool 1000 based on a first measured value detected by the first measuring unit 351a and / or a second measured value of the flow rate of the machining fluid passing through the inlet 35 detected by the second measuring unit 351b.