34results about How to "Strong chip removal ability" patented technology

The invention relates to a high-rigidity hard-guide-rail inclined numerical control lathe which comprises a lathe body, a spindle box device, a main motor, a hydraulic tailstock device and a power tool turret mechanism. The lathe body is a split lathe body inclining by 45 degrees, the spindle box device is arranged at one end of the lathe body and connected with the main motor arranged on the lathe body in an inclined manner, the hydraulic tailstock device is arranged at the other end of the lathe body, and the power tool turret mechanism is arranged between the spindle box device and the hydraulic tailstock device. The high-rigidity hard-guide-rail inclined numerical control lathe is high in rigidity, machining efficiency and chip removing capability, easy in tensioning of a belt and capable of automatically programming rotating speed of a spindle for automatic gear shifting according to a machining process, meets needs on machining high-accuracy parts well, is suitable for most machining enterprises and has high practical value and popularization value.

The invention discloses a particle reinforcement metal-matrix composite machining device and machining method. The particle reinforcement metal-matrix composite machining device and machining method comprises a machining tank, a spindle motor, a chuck, a guide column, a fixed base, a guide device, a workpiece placing base, a workpiece and a tool electrode; work liquid in the machining tank entersa liquid storage tank through a liquid guide pipe, circular flowing of the work liquid is achieved, the interpolar workpiece liquid can be updated in time, machining stability in the discharge machining process can be effectively improved, machining efficiency is improved, machining quality is improved, in the deep small hole machining process, compared with a traditional chip removal manner, themachining effect is more obvious, meanwhile, when work liquid is replaced with an electrolyte with conductivity, the chip removal manner is used for electrolytic machining, electrochemical discharge machining and the like, the device is suitable for high-precision and high-quality deep small hole machining of various materials, the guide device and the fixed base are arranged, and the rotating precision of a tool electrode during high-speed rotation is ensured.

The invention discloses a novel electrode compound electric machining device and machining method. The novel electrode compound electric machining device comprises a machining tank, the inner side ofthe machining tank is provided with workpiece supporting seats for placing a workpiece, one side of the machining tank is provided with a working fluid system, the working fluid system comprises a working tank, a filter and a high-pressure pump, the working tank is internally provided with a fluid guide pipe immersed in working fluid, the bottom side of a rotating connection head is provided witha main shaft motor, the output end of the main shaft motor is provided with a high-speed rotary bearing, the high-speed rotary bearing is provided with an electric lead bolt, the output end of the main shaft motor is connected with one end of a tool electrode through a clamping head, the outer side of the tool electrode is wrapped with a grinding material layer, and the cross section of the tool electrode is in an annular wave shape. According to the novel electrode compound electric machining device and the machining method, the tool electrode of the novel electrode compound electric machining device has a grinding effect in the machining process and the wave-shaped cross section of the tool electrode makes the tool electrode have a larger chip discharge space, meanwhile, in coordinationwith a fluid rushing hole and the rushing pressure formed under the action of the high-pressure pump, the rushing ability between poles is improved, and the novel electrode compound electric machiningdevice has strong chip discharge ability and is especially suitable for machining of particle reinforced metal matrix composite materials.

The invention discloses a boring cutter with an arc structure. The boring cutter comprises a connecting rod, chip removing grooves, a tool bit, pressure relief ports, reinforcing ribs, a protective rubber block, a knife handle, threads, an extrusion nut and a spring. The boring cutter with the arc structure has the beneficial effects that the bottom of the tool bit is uniformly provided with a plurality of inward-concave arc-shaped pressure relief ports, and the impact force borne by the tool bit when boring hole is carried out and when the tool bit makes contact with a workpiece can be reasonably dispersed, the vibration of the tool bit is reduced, so that the process of the hole boring is stable; the connecting part between the connecting rod and the tool bit is fixedly provided with thereinforcing ribs with the arc surfaces on the surfaces, so that the pressure borne by the tool bit can be dispersed to the connecting rod through the reinforcing ribs, and the stress strength of thetool bit can be improved; the number of the chip removal grooves are symmetric four, and the tangent plane of each chip removal groove is of the inward-concave arc shape which is provided with a largechip removal space, so that the chip removal effect of the boring cutter is good; the knife handle can move up and down inside the connecting rod, the knife handle is provided with a certain deformability, so that the large impact force cannot be generated between the tool bit and the workpiece when the tool bit is just in contact with the workpiece.

The invention discloses a guide rail protective cover for a machine tool with an efficient chip cleaning function. The guide rail protective cover comprises a fixed seat; a telescopic cover body is welded to the right side of the fixed seat; the inner side of the telescopic cover body is provided with a telescopic cover head in an inserting manner; a connecting seat is welded to the right side ofthe telescopic cover head; a through groove is formed in the upper surface of the right side of the telescopic cover head in a penetrating manner; a protective cover is arranged above the through groove and is connected and fixed with the telescopic cover head through a bolt; a connecting box is arranged below the through groove; the top end of the connecting box is welded and fixed with the innersurface of the telescopic cover head; a cleaning structure is inserted into the inner side of the connecting box; grooves are formed in the outer surfaces of the two ends of the left side of the telescopic cover head respectively; balls are arranged on the inner sides of the grooves respectively; and chutes are formed in the inner surface of the telescopic cover body and are distributed at the two ends of the telescopic cover head respectively. The guide rail protective cover has the advantages that with an efficient chip cleaning structure, the chip cleaning effect is improved; and with a quantitative oil supplementing structure, the surface of the guide rail is kept lubricant.

The invention relates to a drill with a coating at a flat base of a straight groove, a blind hole and a single groove. The back part of the drill is a clamping part; the front part is a cutting part; a chip groove is arranged at the back cutter face of the cutting part; the main body of the cutting part is a big helical angle of 25-30 DEG; the cutting edge of the drill passes through the center of the drill; and a coating layer is plated at the outer part of the drill. Compared with the prior art, the single chip groove is utilized, so that a drill tip having the same angle as the drill rather than a transverse blade exists when the drill drills a printed circuit board; the chip groove is great in size and great in chip containing capability and achieves a good chip removal effect; the length of a blade is greater than a radius, that is to say, a cutting edge goes beyond a core-bit, so that the unevenness problem of a hole bottom is solved; in addition, the TiAlN coating with the heat transfer coefficient much lower than that of a drill base body and a work-piece material is additionally arranged. Therefore, the heat energy absorbed by the drill is relatively low, a relatively high drilling temperature can be borne, and the service life of the cutter is prolonged by up to 40%.

The invention relates to a scouring pad drawing wheel which comprises a wheel body. A central hole is formed in the middle of the wheel body, the wheel body comprises a base body, a strengthening layer and a scouring pad layer, the strengthening layer is arranged between the base body and the scouring pad layer, the scouring pad layer is mainly made of bottom cloth, adhesive and grinding particles, and the grinding particles are arranged on the surface of the bottom cloth through the adhesive. A manufacturing method of the scouring pad drawing wheel comprises the steps that the base body, the strengthening layer and the scouring pad layer are manufactured, and then the strengthening layer is arranged between the base body and the scouring pad layer, wherein the manufacturing process of the scouring pad layer comprises the steps that firstly, nylon materials are made into the bottom cloth; secondly, the adhesive is arranged on all the faces of the bottom cloth, and the drying process needs to the conducted after the adhesive is arranged on each face; thirdly, the grinding particles are prepared, and the grinding particles and the adhesive are then evenly mixed to obtain a bonding material; finally, an even material layer is formed on the surface of the bottom cloth and dried, and the scouring pad layer is obtained. The scouring pad drawing wheel manufacture through though the manufacturing method is stable in performance, good in grinding effect, durable in use and superior in comprehensive performance.

The invention discloses a mask rapid assembly die and an assembly method, and relates to the technical field of mask machining, the mask rapid assembly die comprises a concave base, a die cavity is formed in the concave base, a stamping hydraulic cylinder is mounted at the top of the concave base, and an upper die corresponding to the die cavity is connected to the position, located in the concave base, of an output shaft of the stamping hydraulic cylinder; and a material conveying assembly is arranged on the front side of the concave base and comprises a concave table, a conveying belt is installed in the concave table, and two guide rollers are horizontally and rotationally installed at the positions, located on the rear side of the conveying belt, in the concave table. According to the mask rapid assembly mold and the assembly method, when a mask is assembled, under the work of a servo motor, the two limiting blocks can clamp the two sides of a raw material, the conveyed mask raw material can be kept at a designated position to move, the deviation condition is avoided, and the assembly efficiency is improved. Therefore, the mask raw material can be accurately moved to the position of the die cavity.

The invention discloses a drill bit which comprises a drill handle, a drill body and a drill tip. The drill body is provided with a spiral scrap guide groove. A scrap guide portion is arranged on the bottom face of the spiral scrap guide groove and extends from the initial position of the spiral scrap guide groove to the terminal position of the spiral scrap guide groove along the spiral scrap guide groove. The left side of the scrap guide portion is close to the spiral center line of the spiral scrap guide groove. The right side of the scrap guide portion is attached to the right side wall of the spiral scrap guide groove. The scrap guide portion is composed of at least N flanges with different heights, and therefore the bottom face of the spiral scrap guide groove, the scrap guide portion and the outer surface of the drill body can form a gradually-heightened step shape, wherein N is larger than or equal to 2. The drill bit has the advantages that the scrap discharge speed is high, and the cooling performance of the drill tip is improved.

The invention discloses a diamond grinding wheel disc for silicon carbide thinning and a preparation method thereof.The diamond grinding wheel disc is composed of diamond grinding wheel teeth and an aluminum matrix, and the diamond grinding wheel teeth are prepared from, by mass, 15%-25% of foam diamond, 45%-65% of Ni powder, 10%-30% of Al powder and 5%-15% of aluminum oxide hollow balls; the particle size of the foam diamond is 8-10 microns. The diamond grinding wheel tooth prepared through the method is high in porosity, high in chip containing and discharging capacity, good in sharpness, high in machining efficiency and long in service life, and after silicon carbide is thinned, the surface smoothness is good, the fragment rate is low, and a damaged layer is shallow. Therefore, the problems of low efficiency, easy surface scratch, large environmental pollution and the like when the silicon carbide crystal is subjected to free grinding are solved.

The invention relates to a central water outlet scrap crushing water nozzle for a numerical control lathe. The central water outlet scrap crushing water nozzle is formed by a water nozzle mounting handle and a water nozzle main body; a central water inlet channel is made in the axis parts of the water nozzle mounting handle and the water nozzle main body; a water outlet bevel hole communicated with the central water inlet channel is formed in the water nozzle main body; the central water outlet scrap crushing water nozzle is characterized in that the water nozzle main body is shaped like a square post body. The central water outlet scrap crushing water nozzle for the numerical control lathe is scientific and reasonable in structural design and convenient to mount, and the scrap crushing effect is realized while rinsing is realized, so the scrap removing capacity of the water nozzle is improved. The central water outlet scraping crushing water nozzle belongs to a central water outlet scrap crushing water nozzle with higher innovation for the numerical control lathe.