10results about How to "Strong cutting force" patented technology

The invention discloses a composite lens, a light group module, a pole piece cutting device and a manufacturing method, the composite lens comprises a liquid crystal and two interlayers, the liquid crystal is arranged between the two interlayers, the liquid crystal is provided with a plurality of circular diffraction units, and the circular diffraction units are arranged between the two interlayers. At least two of the plurality of circular ring diffraction units are different in morphology and refractive index. The composite lens can generate unique target focusing light spots, the range of the effective focal depth can cover the vibration range of materials caused by structural working conditions, therefore, the cutting efficiency can be improved, the field lens is used for improving the energy density of the focusing light spots within the diffraction limit, higher cutting force can be achieved, and the cutting efficiency is improved. And meanwhile, a narrower cutting seam width can be generated, so that the cutting quality of the pole piece can be improved, dust generated in the cutting process is greatly reduced, and the dust treatment difficulty can be reduced.

The present invention relates to a drill grinding machine, which comprises a frame, a grinding wheel, a revolution device arranged on the frame and a rotation device fixedly connected to the revolution device, a drill bit is fixedly arranged on the rotation device, the grinding wheel machine is arranged corresponding to the drill bit, and a feeding mechanism for controlling the distance between the drill bit and the grinding wheel machine is arranged on the frame; the revolution device is connected to a revolution drive device, the rotation device is connected to a rotation drive device, the revolution axis of the revolution device and the rotation axis of the rotation device are at an angle α of 0° to 50°, the swing angle of the rotation axis is 35° to 40°, and the rotation axis rotates synchronously with the revolution axis. The structure is simple, and the grinding method combining the revolution and rotation of the drill bit is adopted for grinding. Through the movement of the rotation axis, the top angle of the drill bit can be ground and the chisel edge angle can be corrected. Through the joint movement of the revolution axis and the rotation axis, the back angle, chisel edge and main cutting edge of different parts of the drill bit can be ground.

The utility model relates to the technical field of combined machine tools, in particular to a two-way expanding tool bit of a combined machine tool. The body flange is a main body structure of the expanding tool bit; the movable gear shaft penetrates through the body flange and is meshed with the left side helical teeth and the right side helical teeth; the left moving block is fixedly connected with the left helical tooth, and the right moving block is fixedly connected with the right helical tooth; the middle pressing plate, the right pressing plate and the left pressing plate press the left moving block and the right moving block on the body flange through bolts; the left side helical teeth and the right side helical teeth are bidirectional asymmetric helical racks, the left moving block and the right moving block are driven to move independently in two directions through axial movement of the moving gear shaft, and multi-procedure machining is completed through one-time feeding. The utility model provides the combined machine tool expanding tool bit which is compact in structure, zero in transmission clearance and capable of supporting two-way synchronous or asynchronous machining, the problems of low efficiency, poor precision, insufficient reliability and the like of traditional equipment are fundamentally solved, and technical guarantee is provided for machining of high-precision complex parts.

The utility model relates to the technical field of urea resin, in particular to a novel urea resin production reaction kettle which comprises a reaction kettle main body, and the top end of the reaction kettle main body is communicated with a feeding pipe; the stirring mechanism capable of uniformly stirring urea, formaldehyde and other raw materials is arranged on the inner wall of the reaction kettle main body; by arranging the stirring mechanism, when urea resin is processed, a motor can drive two rotating rods to rotate in opposite directions through cooperation of a second bevel gear and two first bevel gears; two rotating rods respectively drive a stirring turbine, a first stirring rod and a second stirring rod to rotate in opposite directions to stir and mix urea resin raw materials, so that the urea resin raw materials can be uniformly mixed together, a heating rod can heat the temperature in the reaction kettle, and a heat conducting plate can uniformly conduct heat and uniformly heat urea resin, so that the urea resin raw materials are uniformly heated. Urea resin can be uniformly stirred and mixed, and the quality of the urea resin is improved.

The utility model discloses a jig plate for recovering cutting force of a ceramic brush roller. A plurality of avoiding grooves are formed in the upper end face of the jig plate in a matrix mode. When the ceramic brush roller rotates above the jig plate and is in contact with the jig plate, the abrasive particles of the bristles of the ceramic brush roller are hidden in the avoiding grooves, the bristles on the peripheries of the abrasive particles are cut at the edges of the notches of the avoiding grooves, the abrasive particles protrude out of the surfaces of the bristles, and therefore the cutting force of the ceramic brush roller is recovered.

A die and method for drilling the inner liner of a composite material fairing, belonging to the field of composite material parts processing. The die comprises: a clamping device positioned and detachably fixed to the upper end face of the die body; an annular boss on the outer periphery of the upper end face of the die body; multiple clamping plates and multiple locators disposed on the annular boss; the clamping plates and multiple locators being positioned and detachably fixed to the annular boss; and multiple through holes on the side of the annular boss for drilling holes in the inner liner of the fairing by inserting a drill bit. The method involves: clamping and positioning the inner liner of the fairing to be drilled between the die body and the clamping device, and clamping it with multiple clamping plates and positioning it with multiple locators; mounting a milling cutter on the shaft of a handheld angle grinder, and then fitting a drilling tool bushing onto the outside of the milling cutter; starting the handheld angle grinder and performing the cutting operation using the milling cutter; removing the milling cutter and installing the drill bit for drilling. This invention is used for drilling the inner liner of a fairing.

The utility model discloses a milling cutter for machining an aluminum alloy product, and relates to the technical field of milling. The milling cutter for aluminum alloy product machining comprises a cutter handle and a mounting block arranged on the outer wall of the cutter handle, a connecting mechanism is arranged on the outer wall of the cutter handle, and a milling mechanism is arranged at the end, away from the cutter handle, of the mounting block; the connecting mechanism comprises a connecting part and a control part; the connecting mechanism has the technical effects that when the connecting mechanism is installed, only the connecting plates need to be inserted into the fixing sleeves and aligned with the inserting grooves, the lifting ring is controlled to slide down, the wedge-shaped blocks push the control rods to rotate, then the inserting blocks are driven to be inserted into the inserting grooves to complete preliminary locking, and then the connecting mechanism can be stably fixed by screwing down the extrusion screws; reverse operation is carried out during dismounting, no complex tool is needed, the mounting and dismounting time is greatly saved, meanwhile, the multiple fixing structures guarantee the connection stability, and the screw rod penetrates through the fixing sleeve and the connecting plate for secondary fixing.

The invention belongs to the technical field of ecological environment, and discloses a manual blade crushing device which sequentially comprises a base plate, an annular closed box, a handle, a rotary cutting ring shaft, a cover and a manual rocking handle from bottom to top, the rotary cutting ring shaft is connected with the manual rocking handle by being inserted into a round hole in the lower portion of the cover, and the rotary cutting ring shaft is driven by the manual rocking handle. The blades are in different shapes and comprise saw-tooth-shaped blades; the annular closed box has a mortise and tenon joint structure, so that the handheld handle can be effectively fixed, and the detachable effect can be achieved. The saw-toothed blades and the detachable handle are arranged, the blades of different types hit and cut up the blades, the blades can be effectively crushed, operation is convenient, fast, simple and safe, and the space is saved.

The present invention discloses a barrel polishing resin grinding block, comprising the following components in parts by weight: 48-57 parts of E-44 epoxy resin, 12-17 parts of curing agent, 3-5 parts of diluent, 21-35 parts of brown corundum powder, 0.5-2 parts of dispersant, and 0.5-2 parts of anhydrous ethanol. The present invention also discloses a method for preparing a barrel polishing resin grinding block, wherein E-44 epoxy resin, diluent, dispersant, and anhydrous ethanol are added to a vacuum stirring tank and mixed evenly; brown corundum powder is added to the base material of the vacuum stirring tank, and the stirring tank is vacuumized and mixed evenly; the mixture is poured into a high-speed stirring barrel, a curing agent is added, and stirred evenly; the finished material is poured into a mold for scraping; the cured blank is demoulded, and dried at 90°C for 4-6 hours to obtain a grinding block. The present invention adopts the above-mentioned barrel polishing resin grinding block and its preparation method, which can solve the problems of the existing grinding block having a large odor, easily generating toxic gases, difficult wastewater treatment, weak cutting force, and a large wear rate.

The invention relates to the technical field of semiconductor silicon material manufacturing, in particular to a resin grinding wheel for a silicon carbide silicon boat and a manufacturing method thereof. The grinding wheel comprises a base body and a grinding material layer arranged on the outer circumferential end face of the base body, a through hole is formed in the middle of the base body, and the grinding material layer comprises, by weight, 40-50 parts of resin powder; 10 to 20 parts of diamond; 10 to 20 parts of copper powder; 5-10 parts of microcrystalline corundum; 5-10 parts of reinforced fibers; and 5-8 parts of a wetting agent. The resin grinding wheel for the silicon carbide boat and the manufacturing method of the resin grinding wheel have the advantages that the shape retention is high, the cutting efficiency of the grinding wheel can be improved, the surface roughness of the silicon carbide boat is low, and grinding marks and grinding stripes are avoided.