34results about How to "Uniform grinding force" patented technology

The invention belongs to the technical field of electrostatic atomization and heat fused deposition modeling, and relates to a manufacturing device and method of a diamond resin abrasive wheel with uniformly-distributed abrasive particles. The device mainly comprises a movement control platform, an electrostatic atomization system, an abrasive wheel printing system and a printed abrasive wheel. The movement control platform comprises a basic platform, a lifting platform, a horizontal movement platform, a movement control device and a supporting frame. The electrostatic atomization system comprises an annular electrode, an electrostatic nozzle, a supporting block, a high-voltage electrostatic generator, a power source, an electrostatic liquid container, connecting pipes, an injection pump and a connector. The abrasive wheel printing system comprises a wire material box, a resin bond wire material, a sleeve, a wire feeding mechanism, a heating mechanism and a forming nozzle. The printed abrasive wheel comprises an abrasive wheel basic body, a resin bonding agent and diamond abrasive particles. The abrasive particles are uniformly distributed in the abrasive wheel. When the abrasive wheel conducts grinding operation, the processed surface quality is high, the grinding force is uniform, the grinding efficiency is high, and a certain polishing effect is achieved.

The invention discloses a grinding machine for a wind power blade. The grinding machine comprises an AGV (automatic guided vehicle), wherein two stand columns are arranged on the AGV side by side; a sliding plate is movably arranged on the two stand columns in a vertical direction; a telescopic table is movably arranged on the sliding plate in a penetrating manner in a horizontal direction; the end part of one end, close to the wind power blade to be ground, of the telescopic table is connected to a grinding mechanism; and the grinding mechanism can be adjusted according to the inclination angle of the surface of the wind power blade to be ground to ensure that the grinding mechanism and the surface of the wind power blade to be ground are in vertical contact during working. As the grinding mechanism can be adjusted according to the inclination angle of the surface of the wind power blade to be ground in the grinding process, the grinding mechanism and the surface of the wind power blade are always in vertical contact, and the grinding efficiency and the grinding quality are improved.

The invention discloses a biological tissue grinding device. The biological tissue grinding device comprises an airtight shell, a power unit, a transmission unit and an execution unit, wherein the airtight shell enables the whole grinding process to be conducted in an airtight space, so that biological tissue is prevented from being polluted, and the power unit, the transmission unit and the execution unit are arranged in the airtight shell; the power unit comprises a motor, the transmission unit comprises a main drive gear connected to the motor and at least two driven gears which are symmetrically arranged around the main drive gear and engaged with the main drive gear, and the execution unit comprises a sample cell and a plurality of grinding rods used for grinding the biological tissuein the sample cell; the sample cell is detachably connected to the airtight shell, the grinding rods are detachably connected to the driven gears, and a biological tissue sample can be simultaneouslygrinded by the multiple grinding rods through gear transmission; and the grinding efficiency is improved, the grinding rods are detachably connected to the driven gears, and mounting and dismountingof the grinding rods are facilitated.

The invention discloses a honing machining method for a carburizing hole of a tappet guide sleeve of an aero-engine. The honing machining method comprises the following steps that the carburizing hole of the tappet guide sleeve is machined by adopting a numerical control boring cutter to remove the allowance to 0.2-0.3 mm, the tappet guide sleeve is mounted on a honing machine, the carburizing hole of the tappet guide sleeve is aligned, the carburizing hole is honed for four times until the surface smoothness Ra of the carburizing hole is less than or equal to 0.02, the four times of honing machining comprise rough honing machining, semi-fine honing machining, fine honing machining and super-fine honing machining, and honing machining parameters are optimized, so that the carburizing hole of the tappet guide sleeve does not have burn and crack defects, and the internal surface smoothness of the carburizing hole of the tappet guide sleeve is close to the level of a mirror surface. The honing machining method for the carburizing hole of the tappet guide sleeve of the aero-engine has the advantages of being high in machining efficiency, even in grinding force, high in cooling frequency, sufficient in cooling and free of burn and crack defects, and the surface smoothness of the inner hole is close to the level of a mirror surface.

The invention relates to intelligent polishing and cleaning equipment for a high-speed rail track. The intelligent polishing and cleaning equipment for the high-speed rail track comprises a self-stabilizing traveling device. A lower supporting circular truncated cone is welded to the middle of the upper end face of the self-stabilizing traveling device. Six supporting cylinders are evenly welded to the upper end face of the lower supporting circular truncated cone in the axis direction. A supporting stand column is welded to the middle of the upper end face of the lower supporting circular truncated cone. An upper supporting circular truncated cone is welded to the upper end faces of the supporting stand column and the six supporting cylinders. A connecting piece is installed on the upper end face of the upper supporting circular truncated cone through screws, and a supporting curved boom is welded to the middle of the upper end face of the connecting piece. A variable high-pressure cleaning device is welded to the tail end of the supporting curved boom. Two ribbed blocks are welded between the two sides of the tail end of the supporting curved boom and the variable high-pressure cleaning device correspondingly. Four fourth hydraulic cylinders are symmetrically installed at the lower end of the variable high-pressure cleaning device. An adjustable polishing device is installed at the top ends of the four fourth hydraulic cylinders. The intelligent polishing and cleaning equipment can achieve the full-automatic railway track polishing and cleaning functions, shaking in the operation process of the equipment is eliminated, and the equipment has good stability performance and fixation performance.

The invention discloses a tile type key groove hole honing head. The tile type key groove hole honing head comprises a honing head body and a push rod, wherein a through hole is formed in the middle of the honing head body, a harmomegathus cone is arranged in the through hole, the push rod is in connected to the left end of the harmomegathus cone in a threaded mode, a backup ring sleeves on the right part of the push rod, a sleeving ring is connected to the left part of the push rod in a threaded mode, a spring sleeves on the push rod, and the spring is located between the sleeing ring and thebackup ring. The tile type key groove hole honing head is reasonable in structural design, when the tile type key groove hole honing head is machined, oilstone seat rises, when an oilstone sharp corner and a key groove sharp corner are in contract and stressed, and other oilstone on the same oilstone seat is in contract with the inner wall of a workpiece to play a supporting role; the structure is not prone to breaking the oilstone, when a tile type oilstone installation piece and a harmomegathus piece rise, grinding force at a key groove is uniform due to the fact that the oilstone away fromthe key groove plays a supporting role, the precision of roundness of the workpiece is higher after honing, more quantities of the oilstone can be installed by the tile type oilstone installation piece, and the honing efficiency can be effectively improved.

The invention discloses a planetary grinding device and a grinding method for a planar optical element. According to the planetary grinding device and method for the planar optical element, the lowerend face of a workpiece disc and the upper end face of a grinding table are arranged in parallel, the grinding table and the workpiece disc can rotate in a mutually non-coaxial mode, a plurality of clamp positioning holes are formed in the workpiece disc, the multiple clamp positioning holes are circumferentially arrayed with the axis of a driving shaft of the workpiece disc as the center, the to-be-machined optical element is clamped through a clamp, the to-be-ground end face of the to-be-machined optical element makes contact with the upper grinding end face after being limited through the workpiece disc, and finally the pressure between the to-be-machined optical element and the grinding table is adjusted through a pressure applying device, and the contact stability between the to-be-machined optical element and the grinding table is ensured. The device is simple in structure, the grinding speed of the planar optical element is greatly increased through mutual rotation of the grinding disc and the workpiece disc in a planetary motion mode, the same pressure is kept in real time through the pressure applying device in the grinding process, the flatness of workpiece machining is guaranteed, and the machining efficiency of the whole machining technology is improved.

The invention provides a method for improving the planeness of a ground wafer; the method is applied on a grinding machine which comprises a grinding head and a grinding disc; the grinding head is used for adsorbing and fixing the wafer; the grinding disc is used with the grinding head and used for grinding the wafer, wherein, the motion range of the grinding head does not exceed the surface of the grinding disc; the brim of the bottom of the grinding head is provided with a fixing ring which is used for fixing the wafer and is contacted with the grinding disc completely. Compared with the prior art, the even grinding force exerted on the wafer can improve the planeness of the wafer surface in one grinding process and can improve the production efficiency and the yield of the wafer simultaneously.

The invention discloses an upper grinding disc for a disc ball mill. V-shaped grooves distributed in the circumferential direction are formed in the lower surface of the upper grinding disc, and the lower surface of the upper grinding disc is used for being matched with the upper surface of a lower grinding disc; and the upper grinding disc is used for being connected with a floating part and is used as a floating grinding disc. According to the upper grinding disc for the disc ball mill, the V-shaped grooves are formed in the upper grinding disc to limit and grind micro balls, and the upper grinding disc is adopted as the floating grinding disc, so that the limiting effect on the micro balls in the grinding process is weakened, it is guaranteed that the micro balls can effectively rotatereversely, the rolling randomness of ball bodies in the disc ball mill is favorably improved, uniform stress of the ball bodies at all angles is guaranteed, and the grinding quality is improved.