103results about How to "No oil" patented technology

A filling grease for composite fibre-optical overhead earth wire is prepared by mixing 36®|hydrogenated white oil and PAO-8 synthesized oil with PriCO-3002 polybasic alcohol ester and viscosity exponential improver Lc-212, adding into additive OB fluorescent brightening agent, grease-separating inhibitor BP2400 and G1702, raising temperature, stirring, adding into organic thickening agent gas-phase carbon white H20, raising temperature, thickening, adding into antioxidant AT-215 and inorganic thickening agent SEP1650, raising temperature, thickening, shearing, circulation feeding back, cooling to normal temperature, homogenizing, degassing, filtering and obtaining the grease. It achieves good hydrogen absorption and stable fibre-optical transmitting performance.

The invention relates to the technical field of laser processing, in particular to a processing method of automatic-feeding laser cutting, which comprises the following steps of 1 uncoiling a coiled material into a flat plate through an uncoiler, and leveling the coiled material uncoiled into the flat plate through a leveler; and 2 pushing the coiled material leveled in the step 1 into a laser cutting work area through an automatic feeder, and cutting and processing the coiled material into a plurality of workpieces through laser. Therefore, the processing method of the automatic-feeding laser cutting has the advantages of 1 being free of noise, vibration and greasy dirt, safe and environment-friendly; 2 being capable of randomly being cut in a suit mode, and completely cutting the material in the suit mode theoretically to achieve zero waste material; 3 saving device materials and reducing problems of investment waste and environment pollution caused by casting of large-sized devices and corresponding moulds; 4 greatly improving production efficiency and rate of finished products of relevant industries; 5 being capable of obtaining high accuracy and good quality and being wide in application range; and 6 reducing operation and maintenance costs of the devices, energy consumption and invested operation cost of large-sized coil feed lines.

The invention relates to a foam concrete preform release agent and a preparation method thereof. The foam concrete preform release agent comprises the following components by weight percent: 50-60% of waste oil, 1.5-1.8% of stearic acid, 1.0-1.5% of alkylphenol polyoxyethylene ether (OP-10 emulsifier), 0.02-0.05% of flake caustic soda, 12-15% of talc, 0.01-0.03% of phosphoric acid and 40-45% of water (60-80 DEG C). When the release agent prepared by adopting the formula is used for mould release, the foam concrete preform has no oil stain on the surface, no spallation and no edge defect and is good for second construction; and the preform has low dimensional deviation, the film-forming speed is high, the production cycle is short and the work efficiency is increased. In addition, the prepared release agent can be used to prevent the wooden mould from warping and deforming.

The invention discloses a bearing seat device of pulse liquid grease circulation lubrication mode for a wire rope stranding machine, which is characterized in that it comprises a base (1), an upper cover (2), a thrust ring (3), an end cover (4), Anti-leakage cover (5). The present invention adopts the metal oil pipe that pulse-sprays lubricating oil to the rolling bearing on the upper cover; the main oil return passage is arranged on the base; the outer labyrinth groove is arranged on the thrust ring, and the inner labyrinth groove is arranged on the end cover; The lower part of the cover is provided with an auxiliary oil return channel; in application, it is collected and recovered through pulse jet oil injection, labyrinth dynamic damping seal and anti-leakage cover, which overcomes the difficulty in controlling the leakage and splash of liquid lubricating oil in the existing technology and recycles liquid lubrication The problem and shortage of oil make the wire rope stranding machine suitable for the pulse injection liquid lubricating oil circulation cooling lubrication method, which prevents the leakage and splashing of the liquid lubricating oil and recycles the lubricating oil, thereby further improving the operating speed of the tubular stranding machine the goal of.

The invention discloses a high-precision ultrathin cold-rolled steel strip for an electronic component and a production method thereof. The thickness of the high-precision ultrathin cold-rolled steelstrip is 0.14 to 0.16mm; the high-precision ultrathin cold-rolled steel strip is prepared by carrying out acid washing of a hydrochloric acid acid-washing machine set, one-rolling-path rolling of a single-rack and six-roller HC rolling machine, unwinding and edge cutting of a slitting machine set, primary annealing of a bright cover type annealing furnace, flattening of a single-rack and four-roller flattening machine, and plate-shaped defect elimination of a bending and straightening machine set on a hot-rolled steel strip in sequence. The high-precision ultrathin cold-rolled steel strip disclosed by the invention has the advantages of short flow and high product rate, secondary rolling and secondary annealing procedures are omitted and the production cost is reduced; meanwhile, the high-precision ultrathin cold-rolled steel strip for the electronic component has the characteristics of low impurity content, ultrathin thickness, high size precision, flat and straight plate shape, highsurface reflection rate, high roughness uniformity, low yield ratio, uniform performance and good stamping performance, and is applicable to electronic basic components including a battery shell, a communication cable, a television color tube, a carbon membrane resistor and the like.

The invention relates to a super advanced double-phase stainless steel smelting process method of a CD3MWN material. According to the invention, internal control components during double-phase stainless steel smelting is designed, wherein C is less than or equal to 0.030 wt%, Si is less than or equal to 0.90 wt%, Mn is 1.20-2.50 wt%, P is less than or equal to 0.020 wt%, S is less than or equal to0.015 wt%, and Cr is 26.2-27.5 wt%, Ni is 6.2-7.6 wt%, Mo is 2.2-3.4 wt%, Cu is less than or equal to 0.80 wt%, W is less than or equal to 0.80 wt%, N is 0.32-0.38 wt%, B is 0.0010-0.0100 wt%, Ba is0.0002-0.0100 wt%, and Ce+La is 0.005- 0.030 wt%; and %Cr+3.3 (%Mo+0.5%W)+16%N is less than or equal to 45, the content of trace elements B, Ba, Ce, and La can be precisely controlled; the N content is increased to 0.30% or more, and at the same time, nitrogen holes in the casting can be avoided; and the content of harmful elements such as sulfur, oxygen, hydrogen and the like is minimized to improve the purity of the molten steel. The cast casting has high strength and excellent corrosion resistance. In the stainless steel, a ferrite phase and an austenite phase are close to 50%, the castinglife is prolonged. the production costs are greatly reduced, and purposes of energy saving and environmental protection can be realized.

The invention discloses aqueous lubricating liquid for stamping, stretching and forming a cell phone battery shell, a preparation method and an application method thereof. The lubricating liquid comprises the following raw materials: 45# transformer oil, a non-ionic emulsifying agent, aqueous extreme-pressure lubricant, boric acid, an aluminum powder sinking agent, triethanolamine, isopropanolamine, synthetic petroleum sodium sulfonate, a branched chain phosphate aluminum protecting agent, a dicarboxylate based composite anti-rust agent, a butyl ether coupling agent, a hard water resistant agent, a defoaming agent and distilled water; the lubricating liquid is excellent in lubricating performance, anti-rust performance and settling performance, and the lubricating performance, the anti-corrosion performance and the cleaning performance are matched and stabilized for a long time, the antibacterial performance is good and the service life is long, the working liquid can be circularly added, the emission of the waste liquid is reduced, the environment cannot be polluted, and all indexes of 5% of diluent reach or exceed relative indexes of GB6144-2010.

A shock absorber has dissipation power and practically no oil. The shock absorber comprising a rod-and-piston assembly slidable in a tubular body. The rod-and-piston assembly co-operating with the tubular body to define two working chambers containing hydraulic fluid. Each working chamber being in permanent communication with an auxiliary chamber containing a heterogeneous energy absorption-dissipation structure with at least one porous capillary matrix and an associated liquid relative to which the matrix is lyophobic. The two auxiliary chambers are annular chambers formed in the wall of the tubular body on either side of central portion of the tubular body. Each of the annular auxiliary chambers houses a flexible bag containing the associated heterogeneous structure; and each of the two working chambers also communicates with an associated compensation chamber. The compensation chambers ensures hydraulic fluid continuity during movements of the rod-and-piston assembly in the tubular body.

A rotary device based on chain transmission and driven by a shape memory effect mainly comprises a driving component, a sprocket shaft component, a shell body component, a chain and the like, and achieves forward and reverse rotation through the shape memory effect of a shape memory polymer driving body in the driving component. The rotary device based on chain transmission and driven by the shape memory effect has the advantages of being simple in structure, easy to control, light in weight, resistant against abrasion, good in shock-absorption effect and the like. All the exposed parts are made of polymer, so that the rotary device based on chain transmission and driven by the shape memory effect can be applied to a high-corrosion environment with strong acid, strong alkali or the like.

The invention discloses a novel oilless vertical vacuum pump which comprises a base, a machine body, an air cylinder, an air cylinder cover and a flywheel, wherein the air cylinder is arranged above the machine body; a piston and a piston rod are arranged in the air cylinder; an upper packing chamber is formed between an air cylinder neck and the piston rod; an upper packing pressure cover is arranged under the upper packing chamber; a piston ring, a tension ring and a guide ring are arranged between the air cylinder and the piston; the piston rod penetrates through the air cylinder and the air cylinder neck downwards in sequence, and the lower end of the piston rod is in cap connection with a connecting rod through the piston rod; the bottom of the connecting rod is inserted into a cross head; the cross head is connected with an upper end hole of the connecting rod through a cross head pin; a lower end hole of the connecting rod is in circumferential sliding connection with crankshafts on the two sides; the crankshaft on one side is connected with the flywheel through a rotating shaft, and the crankshaft on the other side is connected with a machine oil pump through a machine oil pump joint in the rotating shaft. The novel oilless vertical vacuum pump has the advantages that the novel vertical pump is free from oil stain, is reliable to lubricate, is more stable to run and is convenient to filter, the long-term normal operation of an air valve and the piston is ensured, the service life is long, and the maintenance is convenient.

The invention discloses a sealing leakage test device for an oil-immersed transformer. The device comprises an oil pump, a control unit, a pressure gauge and a remote control switch, wherein an oil tank is connected with the oil pump of the sealing leakage test device through a pipeline; the control unit is arranged on the oil pump; valves are mounted at outlets of both the oil pump and the oil tank; the pressure gauge is arranged on the pipeline; the control unit comprises two outgoing lines, one of the outgoing lines is connected with a power supply, the other outgoing line is connected with an oil pump motor, and the control unit controls the working state of the oil pump according to a standard product leakage test pressure value or the pressure of a pressure relief valve; and the remote control switch is mounted at a power supply input end. The sealing leakage test device has the advantages of simplicity and flexibility in operation, high detection rate, adjustable test pressure, automation in control, remote power interruption and wide application range and is low in investment, applicable to products of all voltage classes and beneficial to the improvement on the product quality.

The invention discloses a method for preparing PCB (Printed Circuit Board) aluminum foils by using cast-rolled slabs. The method comprises the following steps: (1) smelting, casting and rolling 1050 or 1060 aluminum alloys; (2) roughly rolling, intermediately rolling, longitudinally shearing edges; (3) finely rolling; (4) washing and straightening; (5) cutting, checking and packing to obtain PCB electronic aluminum foils. The mechanical property control deltab of PCB electronic aluminum foils prepared by the method is 190-230MPa; the extension ratio of the PCB electronic aluminum foils is larger than or equal to 2%; the surface hardness value is smaller than 60HV.

The invention relates to a metal spray marking plate special for cold and hot rolling. The metal spray marking plate special for the cold and hot rolling comprises a number plate engraved with numbers, base plates and chain shaft components used for connecting adjacent base plates. Each base plate is a frame shaped like a Chinese character 'ri'. Reverse T-shaped through grooves and inner grooves oppositely formed inwards are formed in the two sides of each frame. Two sides of the number plate is inserted in two groove openings of the base plate. The chain shaft components comprise a double-row connecting shaft, groove seats and a mandril. The double-row connecting shaft is provided with a connecting portion. The middle segment of the mandril penetrates through the double-row connecting shaft. Two ends of the mandril are respectively penetrate through circular holes of the groove seats. An end head of the mandril is riveted on one groove seat. The groove seats are arranged in the reverse T-shaped through grooves of the base plate. The shape of the lower portion of each groove seat is matched with that of each through groove. The groove seats are capable of rotating around the mandril. The metal spray marking plate special for the cold and hot rolling can be cleaned by organic solution so as to be reused after using and therefore cost is effectively saved. Due to the fact that the metal spray marking plate spares a number imprinting process, spraying and coating work efficiency is improved and optimized.

The invention belongs to an automatic feeding device of a high-precision numerical control groove grinding machine. The automatic feeding device comprises a main board (2), a steel wire (4), a clamping head (8), a rodless air cylinder support plate (9), a hopper (12), a material tank (14), a slide board (17), an upper guide rail (18) and a lower guide rail (21). The automatic feeding device is characterized in that an air cylinder (1) is mounted on the lower guide rail (21) and between the hopper (12) and a hopper cover plate (23); a rodless air cylinder (5) is mounted on the rodless air cylinder support plate (9). The automatic feeding device is high in feeding speed and efficiency, simple in structure and low in cost; pneumatic power is adopted as a power source and is clean and free from oil stains.

The invention discloses a dental plate surface nitriding technology, and relates to the technical field of workpiece nitriding treatment. The technology comprises the steps of 1) preparing before treatment, 2) vacuumizing, 3) heating, 4) reheating, 5) vacuumizing, 6) surface activating, 7) vacuumizing, 8) decomposing through ammonia gas, 9) nitriding, 10) vacuumizing, 11) blackening, and 12) cooling. The technology has the beneficial effects that the fatigue resistance of a workpiece is improved; high pressure stress is generated in a nitriding layer, so that the fatigue limit of the workpieceis high, and the sensitivity of the workpiece is low under the effect of alternating load; and moreover, the fatigue limit of the workpiece subjected to alternating load can be increased by 200%.

The invention relates to the technical field of automobile detecting equipment, in particular to a damper fatigue test device driven by linear motors. The damper fatigue test device comprises an outerframe, a driving mechanism and a functional accessory; the outer frame comprises a base, a middle partition plate and a top plate; the base is provided with a plurality of foundation bolts, and a buffer sleeve sleeves the bottom of the base, is of a hollow structure, and is filled with a buffer solution; the driving mechanism is mounted on the base and comprises two sets of motion modules in thevertical direction, wherein the two sets of motion modules are composed of the linear motors; and the functional accessory comprises a first clamp arranged on the top plate, and a second clamp mountedon the middle partition plate. According to the full-electric driving damper fatigue test device driven by the linear motors, no friction exists between motion parts, the life is long, collision is avoided, oil stains are avoided, noise is low, the working efficiency is high, the energy loss is less, the electric energy loss is lowered, and the damper fatigue test device can be widely suitable for testing indicator characteristics and speed characteristics of dampers of vehicles such as automobiles and motorcycles.

The invention discloses an energy-consumption-free reclaimed water lifting method capable of matching with existing facilities in a bathroom, a toilet, a kitchen and the like. In the method, a layer of flexible air pump cushion is additionally paved on the floors of the bathroom, the toilet, the kitchen and the like or the bottom of a bathtub, water tanks with proper shapes are additionally arranged on proper positions in the bathroom, the toilet, the kitchen and the like, air pumps and the water tanks are combined into a machine-gas-liquid power system by means of gas, water pipes and valves, and discharged reclaimed water can be sucked and lifted to the water tanks by means of mechanical energy generated from motion changes of a human body and gas exhaust-gas suction-liquid suction functions realized by the system.

The invention belongs to the technical field of magnetic gear transmission, and particularly relates to a magnetic-gathering Halbach small-range magnetic gear reducer which comprises a machine shell, an end cover and an input shaft, two pieces of stator magnetic steel are arranged on the inner wall of the machine shell side by side in a spaced mode, two rotor discs are arranged on the input shaft side by side in a sleeved mode, and the space phase difference between the two rotor discs is 180 degrees. Rotor magnetic steel is respectively sleeved on the two rotor discs, the input shaft is respectively provided with non-magnetic baffle plates at two sides of the single rotor magnetic steel, the two rotor discs are also jointly provided with a crankshaft in series, two ends of the crankshaft are respectively connected with the two end covers, and the stator magnetic steel and the rotor magnetic steel are respectively of a magnetism gathering Halbach array arrangement structure. The magnetic gear reducer breaks through the bottleneck of friction clearance of a mechanical gear and the like, and compared with a mechanical reducer, the magnetic gear reducer has the advantages of being low in noise, free of friction, high in efficiency, high in durability and the like.

The invention relates to a steel pipe production line, belonging to the technical field of steel pipe production. The steel pipe production line comprises a conveying track, wherein a discharging table is arranged on the conveying track; a cutting table is arranged at the right side of the discharging table; a cleaning device is connected with the right side of the cutting table; a deburring machine is connected with the right side of the cleaning device; an expanding machine is connected with the right side of the deburring machine; a cleaning machine is connected with the right side of the expanding machine. The production line provided by the invention has the advantages of convenient use, simple operation, good stability and high reliability.