72results about How to "Reduce production errors" patented technology

The invention discloses a PCB expansion compensation method which comprises the following steps: a PCB is divided into a plurality of areas; at least two reference targets are arranged on each zone; and after pressing of the PCB, actual positions of the reference targets on each zone are measured and are compared with theoretical positions, and expansion values of each zone are converted. According to the PCB expansion compensation method, the PCB is divided into a plurality of zones before being pressed, at least two reference targets are arranged on each zone; actual positions of the reference targets on each zone of the PCB are measured after pressing and are compared with theoretical positions so as to obtain expansion values of different zones of the PCB. The PCB has inconsistent expansions at different positions. Through zonal measurement, expansion deviation of the PCB can be reduced greatly. By obtaining the expansion values of each zone, zonal compensation is carried out on each follow-up process, and production errors of follow-up processes are reduced. Thus, accuracy of manufacturing the PCB is raised.

The invention aims to provide a continuous die for manufacturing a vehicle connecting plate. The continuous die comprises an upper die and a lower die, wherein mutually corresponding guide poles and guide tables are respectively arranged on the upper die and the lower die; the upper die is provided with a punch set, a forming male die set, an edging knife set, a side punching inclined wedge and a cut-off tool; corresponding to the upper die, the lower die is correspondingly provided with a punch female die set, a forming female die set, an edging female die set, a side punching slider and a cut-off groove; the side punching inclined wedge is fixedly mounted on the upper die, and the lower end surface of the side punching inclined wedge is an inclined face; the side punching slider is arranged on the lower die through a slide rail, and a side punching fixing female die is arranged at the tail end of the slide rail; and during die assembly, the inclined face of the side punching slider and the inclined face of the side punching inclined wedge mutually extrude in a contact manner, and the side punching slider performs feed movement toward side punch female dies. The invention also provides a continuous manufacture method of a vehicle connecting plate. The continuous die and the continuous manufacture method have the characteristics of being simple in structure, simple and convenient to operate, high in efficiency and low in cost.

The invention discloses a prefabricated bottom plate of a laminated slab, the laminated slab, and a preparation method of the laminated slab, and belongs to the field of prefabricated buildings. The prefabricated bottom plate of the laminated slab comprises connecting part groups, a first composite steel bar layer, and a concrete bottom plate. Each of connecting parts comprises a connecting blockand positioning steel bars horizontally penetrating through the lower part of the connecting block; the upper part of each of the connecting blocks is provided with a downwards concave connecting groove and penetrated plug pin holes vertical to the connecting groove; and the connecting grooves are used for inserting webs, with inserted holes, of profile steel parts. The first composite steel bar layer comprises an upper steel bar layer and a lower steel bar layer; the positioning steel bars of the connecting parts and the lower steel bar layer are located on the same plane; the connecting blocks penetrate through meshes of the first composite steel bar layer; and the plug pin holes are located above the concrete bottom plate. Due to the design of the connecting grooves and the plug pin holes in the upper side of the prefabricated bottom plate, the profile steel parts can be detached, hoisting and stacking are convenient, and the positioning steel bars of the prefabricated bottom platecan also prevent the risk that the multifunctional concrete block connecting parts are pulled out of the prefabricated bottom plate in the lifting and hoisting process.

The invention relates to the technical field of cables, in particular to a distribution method of optical cable chromatography, comprising the following steps: A. inputting information which comprisesan optical cable structure, a chromatography distribution method, and the like; B. coding the information; C. calling an identification module; D. calling an intelligent distribution module to execute the following steps according to identified information: automatically calling a working procedure document, drawing a chromatography distribution table, a section sketch map, a detection report table, and the like, and distributing to the each working procedure machine; and E. outputting a result. The method has the following advantages of: (1) reducing the master degree requirement for information recorders on optical cable professional knowledge, and saving training time; (2) simplifying the training of the structure knowledge to staffs and reducing error rate; (3) saving paper cost, printing cost and labor cost; (4) accelerating the complete time of a detection report and alleviating the workload of detecting staffs, so that the detecting staffs have more time to detect products.

The invention discloses an automatic laminated wood board core processing device which comprises a board blank conveying assembly, a displacement adjusting mechanism, a hot-pressing unit and a finished product board conveying mechanism. The board blank conveying assembly comprises a conveying belt I, a loading platform and a cutting mechanism, the displacement adjusting mechanism comprises ferry trolleys, a ferry track and a pushing platform, the hot-pressing unit include two or more hot-pressing machines, and the hot-pressing machines use the conveying belt I as the axis and are longitudinally and symmetrically arranged at the tail end of the displacement adjusting mechanism. The finished product board conveying mechanism comprises a conveying belt II, a conveying pair roller set and a board blanking machine. Compared with the prior art, the automatic laminated wood board core processing device achieves automatic board blank loading through matched work of two ferry trolleys and fourhot-pressing machines, and fully utilizes the time difference of pressure maintaining in an instant pressing and alternative execution working mode. In addition, all the operations including board blank conveying, cutting, displacement and loading and finished product board recovery are automatic, and the working efficiency is greatly improved.

The invention provides a circuit control board system of an electric welding machine. The circuit control board system comprises a control board and a master board, and the control board and the master board are connected through a flat cable; the master board comprises a switch power supply circuit, an input voltage judging circuit, a voltage doubling rectifying filter circuit, a rectifying filter circuit, an inverter circuit, a transformer, a full-wave rectifying circuit, a current feedback circuit and a voltage feedback circuit. The invention further provides the electric welding machine. The electric welding machine and the circuit control board system thereof have the advantages that the electric welding machine is simple and clear in structure; production process is simplified, production hours are shortened, and production cost is reduced; connection relation is simple, and some key connection leads are replaced by copper foils, so that a fool-proof function can be achieved, and the probability of production errors is reduced; interferences by clustering of traditional connection leads are reduced by the simple connection relation; functional modules are individually laid out, so that test and maintenance are facilitated; the whole system of the electric welding machine is modularized, so that operations such as improving and upgrading of the electric welding machine are facilitated.

The invention provides a monitoring conversion control system, which is characterized by comprising a monitor, a controller, an equipment event/command processing system, a cache configuration system, a conversion system, a logic control system and an SECS protocol interface layer, and is characterized in that the monitor monitors events, operations and data objects of an equipment control system; the controller converts an equipment command into an operation or an event corresponding to the equipment control system, and sends the operation or the event to the equipment control system; the equipment event/command processing system is connected with the monitor and the controller, receives variations of the events, the operations and the data objects reported by the monitor, and receives an equipment command sent by the monitoring conversion control system; the cache configuration system is connected with the equipment event/command processing system, and stores configuration and system data of the monitoring conversion control system; the conversion system is connected with the equipment event/command processing system and the cache configuration system, and converts an SECS message, an equipment command or an event according to configuration in the cache configuration system; the logic control system is connected with the conversion system and the cache configuration system; and the SECS protocol interface layer is connected with the logic control system.

The invention discloses a preparation method of an anti-erosion silica brick for a carbon calcination furnace. Calcined silica materials with different granularities are taken as main raw materials, a combustion aid, a compound additive, an enhancer and a binding agent are added, the raw materials are mulled, pressed, dried, then put into a kiln, and sintered under the thermal insulation condition for 24-30 hours at the temperature of 1,380 DEG C-1,440 DEG C, a finished product is formed and cooled to the normal temperature, and the anti-erosion silica brick is prepared. The high-temperature performance of the product is excellent, the compactness and the yield of finished products are improved, the erosion resistance is improved, and the service life of the carbon calcination furnace is greatly prolonged.

The invention discloses stainless steel sloping plate forming equipment. The stainless steel sloping plate forming equipment comprises a frame body; two pressing devices are arranged on the frame bodyand a working channel for a stainless steel plate to pass is arranged between the two pressing devices; the stainless steel plate forms a stainless steel wave plate after passing through the workingchannel and short planes are correspondingly arranged at the two sides of the stainless steel wave plate; a plurality of wave-shaped structures are arranged on the stainless steel wave plate; the wave-shaped structures comprise planes which are parallel to the horizontal plane, first sloping surfaces which form a 60 +/- 10 degree angle with the horizontal plane and second sloping surfaces which form a 120 +/- 10 degree angle with the horizontal plane. According to the equipment, the upper pressing device and the lower pressing device are matched with each other, so that the product efficiencyof the stainless steel plate is doubled under two forces during pressing; moreover, by means of the pressing manner, the stainless steel plate can be supported and pushed forward, so that the labor cost is saved; meanwhile, the devices press at the same time, so that the stainless steel plate would not deviate and the production error is reduced.

The invention provides a cloud monitoring building material mould, and mainly relates to the field of building material forming equipment. The mould comprises a base, wherein the top surface of the base is provided with a plurality of supporting beams; the tops of the supporting beams are provided with a plurality of baffles in sliding connection with the supporting beams; the bottoms of the baffles are provided with opening and closing devices, and power systems are arranged on the opening and closing devices; positioning strips are detachably and fixedly arranged at the corresponding position of each baffle; mould heads are slidably arranged on the positioning strips, and the mould heads separates two adjacent baffles into mould forming cavities. The device has the advantages that the machining error can be reduced through horizontally adjusting the device; products with different specifications can be produced by using the same mould through adjusting the positioning strips; and theproduction cost of the mould is saved.

The invention discloses an automatic cotton swab packaging machine which comprises a cotton swab taking and placing mechanism, a cotton swab collecting mechanism, a bottom label placing mechanism anda cotton swab boxing mechanism. The cotton swab collecting mechanism comprises a first pushing structure, a second pushing structure, a cotton swab equipartition groove, a collecting moving plate, a lifting bottom baffle and a T-shaped partition plate; the bottom label placing mechanism comprises a bottom label charging barrel, a label placing lifting cylinder, a vertical swing rotating seat, a mounting seat and a lifting column alignment assembly; and the cotton swab boxing mechanism comprises a packaging taking and placing frame, a packaging lifting motor, a packaging overturning motor, a packaging swing motor, a vertical moving frame and a packaging gripper. According to the automatic cotton swab packaging machine, cotton swabs are grabbed and placed into the equipartition groove so asto be aligned through a pushing mechanism, then bottom label paperboards are accurately added, boxing treatment is carried out, the whole process is automatically carried out, manual participation isnot needed, and the bottom label paperboards and the cotton swabs are stably combined and placed into packaging boxes so as to be collected, so that the production efficiency is improved, and production errors are reduced.

The invention provides a rotor coil shaping machine of a wind driven generator. The rotor coil shaping machine is composed of a front side pull mechanism, a rear side pull mechanism, a left transverse pull mechanism, a right transverse pull mechanism and a hydraulic power mechanism. The rotor coil shaping machine is characterized in that a fixing rod (2) is installed on a rotating crank (13), a front clamping claw (4) is installed on an elevating slide block (14), a clamping cylinder (3) is installed on the front clamping claw (4), a servo motor (7) and an elevating slide block (8) are installed on the fixing rod (6), the fixing rod (6) is installed on the rotating crank, and a rear clamping claw (9) is installed on the elevating slide block (8). According to the rotor coil shaping machine of the wind driven generator, the clamping claws clamp a coil and then the framework of the shape of the coil is formed by pulling of the side pull mechanisms and the left and right rotating transverse pull mechanisms, and the curved surface of the coil is formed by a bending stiffener through torsion. Therefore, formation of the shape of the rotor coil can be completely processed by one machine tool so that production error caused by the production machine tool can be reduced.

The invention discloses a monitoring system with a photoelectric sensor and a monitoring method thereof.The monitoring system comprises an optical signal receiving module, a photoelectric conversion module, a data processing module and an output control module, and the optical signal receiving module transmits received optical signals to the photoelectric conversion module; the photoelectric conversion module converts the optical signal into an electric signal, the electric signal is transmitted to the data processing module after being processed, the electric signal is converted into a digital signal through the data processing module, and the optical signal received by the optical signal receiving module changes along with the change of a measured physical quantity. The optical signal is converted into a digital signal, the digital signal is processed by the data processing module, the change rule of the measured physical quantity is displayed through a state change curve by the display device, and the monitoring system can be suitable for distance monitoring of high-precision equipment; and whether the appearance color of the product is qualified can be detected.