33results about How to "Precision control is accurate" patented technology

The invention provides a roller machine suitable for coating chemical coating, which is characterized in that the roller machine comprises two sets of coating mechanism arranged top to top, a support roller mechanism, a turning roller component, a frame, a synchronous mechanism, a shower, a back-coated lifting device and a transmission mechanism. Back coating frames of a coating roller device, a reclaiming roller device and a regulating roller device fitted with specially made polyurethane material are driven by an oil cylinder and synchronous lifting at both sides is assured by the synchronous mechanism in the coating mechanism; clearance among the coating roller device, the reclaiming roller device and the regulating roller device is regulated by the regulating mechanism to regulate coating thickness. The shower line is in a lacquer tray of a front coating mechanism and a flat mouth shower with a valve is arranged on the shower line; flow rate of the paint is controlled and coating thickness is adjusted by regulating the valve. Jet tube mode is adopted in the lacquer tray of a bottom roller in the back coating mechanism; paint is agitated to prevent from deposition. The roller machine has the advantages that double-roller coating structure is adopted and one is used and the other is standby, maintenance and exchanging color are carried out online, time is saved and productivity is improved.

The invention relates to a steering drilling system based on top driving and ground control, and a drilling operation method. The steering drilling system comprises a top driving device; a ground signal processing system comprises a signal acquisition module which is connected with a signal filtering and amplification module; the signal filtering and amplification module is connected with a signal decoding module, and can filter clutter out of electric signals, amplify and enhance effective signals and transmit the effective signals to the signal decoding module; the signal decoding module is connected with an analog-to-digital conversion module; the analog-to-digital conversion module is connected with an information output module; the information output module is connected with an information calculation module and display equipment; the information calculation module is connected with an information transmission module; and the information transmission module is connected with a top driving electric control device by an interface circuit. For the steering drilling system based on the top driving and the ground control and the drilling operation method, the operation efficiency is high, the control is precise, the working performance is stable, and the operation can be carried out under various geologic conditions.

The invention discloses a manufacturing method of a microporous membrane sinter filter element, is applicable to mounting and assembly occasions of combined type water purifiers and belongs to the technical field of water resource purification. Micropores of the microporous membrane sinter filter element manufactured through the method are formed through pure-physical hot melt binding instead of a chemical reaction; and the method adopts the principle that during the heating and sintering process of a main material, after being bonded with an auxiliary material during the melting process, the main material shrinks in the following cooling process to form three-dimensional space clearances, and the micropores are related to the main material and the auxiliary material in shapes and particle sizes. The manufacturing method has the advantages of simplicity and convenience in process molding, comprehensive formula, accuracy in precision control, reliable performance and low manufacturing cost.

The invention discloses a method for controlling a roll gap of a pinch roll. The method includes the steps of (1) grading strip steel thicknesses and material silicon content; (2) collecting strip steel material characteristic data; (3) respectively building low-grade, medium-grade and high-grade material silicon content data statistical tables, and obtaining historical actual performance values and historical set values, corresponding to the strip steel thickness grades and the material silicon content grades, of the roll gap between an upper clamping roll body and a lower clamping roll body; (4) enabling strip steel to enter a unit, and determining the strip steel thickness set value T according to the strip steel thickness grades; (5) determining a gap control coefficient K of the strip steel according to the material silicon content grade data statistical tables; (6) calculating the finial set value G of the roll gap between the upper clamping roll body and the lower clamping roll body, wherein the G is the product of the T and the K and is the finial set value of the roll gap of the clamping roll, and the T is the strip steel thickness set value. The method is accurate in accuracy control and high in expansibility and adaptability, a steel strip head can be normally clamped and conveyed and can normally penetrate through the clamping roll, defects are avoided, and the strip steel yield is high.

The invention discloses a cascade mold inspection tool. The inspection tool comprises a go gauge and a no-go gauge used cooperatively with the go gauge, wherein the go gauge comprises a holding part Aand a detection part A fixedly connected with a bottom end of the holding part A; the holding part A and the detection part A are integrally formed; the no-go gauge comprises a holding part B and a detection part B fixedly connected with a bottom end of the holding part B; and the holding part B and the detection part B are integrally formed. The cascade mold inspection tool disclosed by the invention has the beneficial effects of simple structure, easy manufacturing, low cost, high detection efficiency, accurate precision control, short detection time and simple determination standard.

The invention relates to a sawtooth driving mechanism for an electric saw, which includes a driving slider, a driving guide rail and a proximity switch; the driving guide rail has a pair, which are symmetrically installed on the side wall of the gantry frame, and the two ends of the driving slider are respectively installed on two on a driving guide rail, and can be driven by the driving device to move up and down; the proximity switch is installed on the side end of the driving slider, and at the same time, a contact plate used with the proximity switch is also provided on the gantry frame. There is also a scale plate, and the contact plate can be adjusted up and down according to the scale of the scale plate. The advantage of the invention is that the device can provide a basis for precise control of the working stroke of the main shaft.

The invention discloses a planetary gear device. The planetary gear device comprises a gear body. The gear body is provided with a flange. Gears are arranged on the periphery of the flange of the gear body. A left end inner hole and a right end inner hole are formed in the center of the flange of the gear body. A left end annular groove is formed in the position, on the flange of the gear body, of the left end of the left end inner hole. A right end annular groove is formed in the position, on the flange of the gear body, of the right end of the right end inner hole. A baffle ring is arranged between the left end inner hole and the right end inner hole and provided with evenly distributed baffle ring holes. A plurality of left end oil holes formed in the radial direction of the left end inner hole are formed in the wall, on the left side of the baffle ring, of the left end inner hole. A plurality of right end oil holes formed in the radial direction of the right end inner hole are formed in the wall, on the right side of the baffle ring, of the right end inner hole. All the left end oil holes and the right end oil holes communicate with the roots of teeth outside the gear body. The planetary gear device is good in lubricating and radiating performance, convenient to machine and mount and has quite high application and popularization value.

The invention discloses a scrap cutter edge surface machining method, and belongs to the field of scrap cutter edge machining. The scrap cutter edge surface machining method comprises the following steps: (1) turning: scrap cutter edges to be machined are assembled in a lathe after installation on a turning and grinding fixture; and scrap cutter edge surfaces to be machined are roughly turned by the lathe; (2) milling: the scrap cutter edges roughly turned in the step (1) are assembled in a milling machine after installation on a milling fixture; and the scrap cutter edge surfaces are milled by the milling machine; and (3) grinding: the scrap cutter edges milled in the step (2) are assembled into a grinding machine after installation on the turning and grinding fixture; and the scrap cutter edge surfaces are finely grinded by the grinding machine. The edge surfaces of the scrap cutter edges to be machined are machined through the turning, milling and grinding steps, and all the steps can be performed at the same time, so that the machining method achieves higher overall efficiency; and through each step machining, the precision of the scrap cutter edge surfaces is continuously improved, and the scrap cutting effect and the service life of the scrap cutter edges are improved.

The invention discloses a citrus packaging machine. The citrus packaging machine comprises a rack, a transmission device, a heat-assisted cutting device, a to-be-packaged sorting and positioning device, a film shrinkage and finished product conveying damping device and an intelligent high-definition control system, wherein the cutting device is composed of a supporting cutter, an upper cutter, a sliding block, a motor base, a connecting rod, a crank, a coupler and a heat-assisted cutter; the supporting cutter is of a funnel-shaped structure and is fixed to the rack through bolts, and plastic with the thickness being 3mm is arranged on the surface of the supporting cutter; the upper cutter is formed by welding a round support and an optical shaft with the shaft diameter being 30mm; a cutterfor cutting a preservative film is fixed to the bottom end of the round support; and the optical shaft is matched with the fixed sliding block with the inner diameter being 30 mm. The citrus packaging machine is easy and convenient to operate, low in manpower requirement and beneficial to improving the labor productivity. The citrus packaging quality is stable, the packaging rejection rate is low, and the production cost is obviously reduced. The citrus packaging machine can conduct operation conveniently and rapidly, the labor intensity of workers can be relieved, and the single citrus packaging and processing time is shortened.