349results about How to "Improve processing quality" patented technology

The invention relates to the field of semiconductor device manufacture equipment, and especially relates to a classification and detection method of wafer appearance defects. The method comprises the following steps: S1, screening to obtain a wafer image; S2, performing edge extraction on the wafer image to calculate the edge width; S3, segmenting out wafer region of interest; S4, performing appearance defect detection on the wafer region of interest; and S5, performing classification on wafer appearance defects. The method provided by the invention helps to improve the processing efficiency and quality of wafers.

The invention discloses a loading and unloading manipulator which is characterized by comprising a rotary workpiece module, a loading module, a clamping module, an unloading module and a motion control system module, wherein the rotary workpiece module mainly comprises a bracket, a telescopic swinging cylinder, a connecting plate, a rotary motion device, a first linear slide rail and a rotary paw; the rotation of the telescopic swinging cylinder drives the rotary paw to rotate; the expansion and the contraction of the telescopic swinging cylinder drives the rotary paw to expand and contract along the first linear slide rail; the loading module mainly comprises a loading paw device, a tiny moving mechanism, a movable large cylinder and a second slide rail; the expansion and the contraction of the movable large cylinder drives the loading paw device to move forwards and backwards along an axis X under the driving of the tiny moving mechanism; the clamping module comprises two cylinders which are perpendicularly connected with each other; the vertical cylinder expands and contracts in an axis Z direction, and the horizontal cylinder expands and contracts in an axis Y direction, so as to clamp and release a workpiece; and the unloading module comprises an unloading pusher mechanism, an inclined plane delivery mechanism and an unloading conveyor belt.

The invention provides a control method of an electric heating cooking device. The control method includes detecting a midway feeding instruction and outputting a feeding prompting signal according to the midway feeding instruction. By detecting the midway feeding instruction in the cooking process and outputting a feeding indication signal according to the midway feeding instruction, a user is prompted to add food material and ingredients midway. By means of the control method, different materials can be added in different time periods according to heating difficulty levels of food materials, the requirement for adding different food materials and the ingredients in different cooking periods is met, food processing requirement is met, and food processing quality is improved.

The invention provides a gas insulation protection jacking electrolytic machining cathode system and machining method. The cathode system is mainly composed of a jacking cathode, a cathode head and a ventilation module. In the jacking electrolytic machining method, an electrolyte laterally flows, and high pressure gas positively flows; and the machined profile of a workpiece gradually stretches into the jacking cathode, the high pressure gas with the pressure being adjustable in real time is blown into the upper end of the ventilation module, forms a uniform gas insulation layer on the surface of the machined profile of the workpiece, blows the stray electrolyte flowing into the cathode towards a gas horizontal channel and is blown out of a ventilation groove of the side of the cathode head. By adoption of the gas insulation protection jacking electrolytic machining cathode system and machining method, the electrolyte in the machined area can be conveniently reduced, the influence of stray corrosion on the workpiece profile is reduced, surface quality of a part is improved, and stability of a flow field in the machining area is improved.

The invention discloses a compound vibration drilling device and a machining method. The compound vibration drilling device comprises machine tool spindle motor and a drill bit and is characterized by further comprising a vibration tool handle and a vibration control system. The vibration control system comprises a monitoring system and an executing system. The executing system comprises a low-frequency vibration generator, an ultrasonic vibration generator, a stepping motor, a servo drive motor and an electric brush. The vibration controller controls the low-frequency vibration generator through the servo drive motor and the stepping motor. The vibration controller controls the ultrasonic vibration generator through the electric brush. By means of the machining method, on the basis of traditional laminated component drilling machining, the compound ultrasound or low-frequency axial vibration is adopted according to material attribute differences of different materials, conversion of vibration drilling and common drilling, conversion of ultrasonic vibration drilling and low-frequency vibration drilling and adjusting of vibration parameters in the machining process can be achieved through the vibration controller, and high-quality manufactured holes are obtained.

The invention discloses a simulation technology-based method for optimizing cutting parameters of a ceramic cutting tool, and relates to the cutting methods, wherein the rheological data and the physical parameters of a workpiece and the tool physical parameters are obtained by experiment and calculation, and a finite element software is used for successively using transient state and steady state simulations to obtain the temperature field and the stress field of the ceramic cutting tool. By analyzing the temperature filed distribution and the stress field distribution of a cutting edge under different cutting conditions, the optimal cutting parameters are determined. According to the method provided by the invention, transient state and steady state are combined, the data is accurate, and corresponding important cutting parameters (cutting speed v, feeding rate f and cutting depth alpha P) for finish machining, semi-finishing and rough machining of different workpiece materials are determined for reasonably using the ceramic cutting tool and prolonging the service life of the ceramic cutting tool. The method plays an important role in the aspects of satisfying the cutting conditions, prolonging the service life of the ceramic cutting tool, improving the machining quality and reducing the machining cost.

The invention discloses a marine diesel engine mechanism heavy part machining quality prediction method based on digital twinning. The method comprises the following steps that of carrying out real-time data collection is carried out; classifying the acquired real-time data features; creating a digital twinning model system according to the collected real-time data and historical data in the Jianghua piece quality service platform; B; by utilizing an intelligent algorithm, fusing physical data collected in real time and historical data in the heavy part closing service platform, and carrying out preliminary judgment on the processing quality of the heavy part of the marine diesel engine mechanism; D; dynamic simulation optimization is carried out on the marine diesel oil gear heavy part, and final prediction of the machining quality of the marine diesel oil gear heavy part is achieved. Based on the digital twinning technology, dynamic prediction of the machining quality of the marine diesel gear heavy part in the manufacturing process is achieved, technological parameters and technological routes in the machining process of the marine diesel gear heavy part are optimized, and the method has important significance for improving the machining quality and the resource utilization rate of the marine diesel gear heavy part and improving the production efficiency.

The invention relates to a zooming method and device for a time scale and a frequency scale of an audio signal, wherein the zooming method for the time scale and the frequency scale of the audio signal comprises the following steps of: sampling an input audio signal so as to generate an audio time domain signal to be processed, wherein the inter-frame space of the audio time domain signal to be processed is L, and each frame comprises N sampling points; converting the audio time domain signal to be processed into an audio frequency domain signal to be processed; obtaining the frequency and amplitude of the audio frequency domain signal to be processed; obtaining a reestablishing frequency and a reestablishing amplitude of a target audio frequency domain signal; converting the target audiofrequency domain signal with the reestablishing frequency and the reestablishing amplitude into a target audio time domain signal; and superposing and accumulating the target audio frequency domain signal to obtain an output audio signal with M output points, wherein M is not greater than N/2. An implementation mode of the technical scheme is lower in complexity, the processing quality is high and the time scale and the frequency scale of the audio signal can be independently adjusted.

The invention provides a laser surface micro-processing tip and the preparation method thereof. The laser surface micro-processing tip is a metallographic structure, on the tip surface of which a micro-geometrical structure composed of a micro-pit or a cross groove and the combination thereof is formed, wherein the geometric parameters of the pit-shaped micro-geometrical structure are as follows: the pit radius rp is equal to 20 to 80 Mum, the pit depth hp is equal to 2 to 20 Mum, and the adjacent pits space L is equal to 50 to 200 Mum; the geometric parameters of the cross groove-shaped micro-geometrical structure are as follows: the groove width B is equal to 50 to 150 Mum, the groove depth is equal to 5 to 20 Mum, the adjacent groove space D is equal to 400 to 600 Mum, and the groove inclination angle A is equal to 30 DEG to 75 DEG. Since the tip surface is subjected to the laser micro-processing treatment, the laser surface micro-processing tip remarkably improves the wear-resisting performance, improves the lubricating conditions of the tip in the work-piece center hole and reduces the frictional noise, and at the same time, the stored lubricant can be effectively cooled, thereby prolonging the service life of the tip.

The present invention relates to deep agricultural product processing and functional food. The preparation process of selenium-enriched deodorized superfine garlic powder includes the steps of: slicing garlic, constant temperature soaking in selenium solution to reach selenium content of 0.5-0.8 microgram/g, vacuum freeze drying to water content below 2% to reach selenium content of 3.6-5.8 microgram/g, three-stage crushing to average size below 10 micron, and final oxygen eliminating packing. The said process can maintain the active components in garlic, eliminate the bad smell of garlic, and make the garlic powder easy to be absorbed by human body.

A method for forming a fin-shaped structure includes the following steps. A pad layer is formed on a substrate. A sacrificial pattern is formed on the pad layer. A spacer is formed on the pad layer beside the sacrificial pattern, wherein the ratio of the height of the spacer to the pad layer is larger than 5. The sacrificial pattern is removed. The layout of the spacer is transferred to the substrate to form at least a fin-shaped structure having a taper profile in the substrate.

A substrate processing apparatus includes a substrate holding unit that holds a substrate, an injection unit that injects droplets of a processing liquid from a plurality of injection ports respectively toward a plurality of collision positions within a principal surface of the substrate held by the substrate holding unit, and a liquid film forming unit. The liquid film forming unit discharges a protective liquid from a plurality of discharge ports respectively toward a plurality of liquid contact positions within the principal surface of the substrate held by the substrate holding unit to form a plurality of liquid films of the protective liquid that respectively cover different collision positions.

The invention discloses a roller painting reaction and reverse glazing combined process, which comprises the following steps of printing four-color ink on a substrate in sequence according to a color sequence; partially printing base coat on a presswork by a printing color cell and forming an image-text region A through partially printing the base coat; fully drying or solidifying; coating the base coat on the presswork by a glazing set I and forming an image-text region B through coating the base coat; fully drying or solidifying; coating face oil on the presswork by a glazing set II and forming two reverse glazing regions at the image-text region A and the image-text region B after coating the face oil; fully drying or solidifying. According to the process, two or more than two reverse reaction vision effects are implemented by an on-line printing machine, the effect of matt vision of different figures can be generated in more than two image-text regions, on the one hand, the variety of the figures on products is increased and the packaging level of the products is improved, and on the other hand, a certain anti-fake effect is implemented.

The invention discloses full-automatic five-axis false tooth processing equipment which comprises a machine cover, wherein the machine cover is internally in a hollow structure, and the machine cover internally comprises an X-axis motion platform, a Y-axis motion platform and a Z-axis motion platform which are respectively provided with a basic axis; an A-axis inclined device is arranged on a position which is overturned around the X-axis motion platform, and a B-axis overturning device is arranged on a position which is overturned around the Y-axis motion platform; and the A-axis inclined device and the B-axis overturning device are both arranged on an L-shaped support frame of the Y-axis motion platform. The full-automatic five-axis false tooth processing equipment disclosed by the invention can be used for processing pure titanium, zirconium oxide and a wax type material, and processing relatively multiple varieties of false tooth materials through one equipment, is capable of operating a complex processing path, greatly reducing the thickness of a material block needed by a long bridge, and can be used for machining special angles and inverted recesses inside a material disc, supporting the normal mode processing, achieving a individual base station and the bridge body milling, supporting the grinding of a glass ceramic tooth, a beautifying patch and an inlay and fast completing a workpiece, is good in practicability and novel in design, is a very good innovation scheme and has great market popularization prospect.

The invention discloses a high-frequency annealing device of a semi-automatic bearing. The high-frequency annealing device comprises a machine frame and a high-frequency power supply device, wherein the high-frequency power supply device is fixed on a left-side supporting plate of the machine frame; a feeding device, a rotating device, a lifting device and a discharging device are fixed on the right-side supporting plate of the machine frame, the lifting device is fixed on the reverse side of the right-side supporting plate of the machine frame, the rotating device is fixed on a push rod of the lifting device, and a rotating shaft of the rotating device is inserted and sleeved in a circular through hole formed in the right-side supporting plate; an induction coil is mounted on the high-frequency power supply device, and is above the right-side supporting plate, and the induction coil and the rotating shaft share the same central axis; the feeding device and the discharging device are fixed on the upper plane of the right-side supporting plate, a feed end of a feed plate of the feeding device faces to the circular through hole, and a discharging end of a discharging plate of the discharging device faces to the circular through hole. The high-frequency annealing device can automatically feed to anneal, the hardness of the inner ring of the bearing is ensured, annealing is even, the secondary quenching phenomenon is not generated, the processing quality is increased, and the stability is good.

The invention discloses a high-universality feeding device of a pipe end-facing machine and a feeding method. The feeding device of the pipe end-facing machine comprises a feeding mechanism and a manipulator, wherein the feeding mechanism comprises a feeding rack, a chain conveying mechanism and a plurality of pipe end-facing feeding supporting plates; each pipe end-facing feeding supporting plate comprises a supporting plate body, a main supporting block and a first auxiliary supporting block, wherein a first adjustment through hole is further formed in one side of the supporting plate body; the first auxiliary supporting block comprises a first adjustment block, a supporting screw rod, a first locking screw and a first locking nut; the supporting screw rod comprises a screw rod part and a screw rod fork part; a plurality of threaded holes are formed in the first adjustment block; the first locking screw penetrates through the first adjustment through hole in the supporting plate body and is screwed into one threaded hole of the first adjustment block; the screw rod part of the supporting screw rod penetrates through the first locking nut, is screwed into another threaded hole in the first adjustment block and then is locked through the first locking nut; a main fork part is formed on the main supporting block; the pipe is supported by the main fork part and the screw rod fork part. According to the invention, the processing quality is improved.

The invention relates to a machining method for parts, in particular to a machining method for a casing casting part. According to the technical scheme, the machining method for the casing casting part includes the following steps that firstly, the machining benchmark is cast, wherein the three positioning faces and positioning holes are precisely cast in the casing casting part; secondly, a machining clamp is manufactured, wherein the clamp comprises a disc, jacking blocks, positioning pins and pressing clamping flanges; and thirdly, the casing casting part is machined, wherein the clamp is arranged on a machine tool, the disc is aligned, the casing casting part is arranged on the clamp, and machining is conducted. By means of the machining method for the casing casting part, the machining benchmark is optimized, the brand-new machining strategy is adopted, machining efficiency and the quality of parts are improved effectively, cost is lowered, and the working intensity of labors is lowered.

The invention discloses a processing method of a low-temperature vacuum fried fragrant and crispy fish oil immersed can. The method comprises the following steps that whitebait is used as ingredients for making fragrant and crispy fish, after the cleaning and the deodorization, low-temperature vacuum frying is adopted, auxiliary ingredients are added for seasoning and oil immersing, vacuum can sealing is carried out, finally, the sterilization is carried out, and finished products are obtained. The method solves the problems that in traditional frying process, the nutrition loss is high, the excessive dewatering is caused, the tissue contraction is serious, the texture is harder, and the color of the finished products is hard. The oxidation deterioration of edible grease can be effectively prevented, the mouth feeling on the product is loose and crispy, and safety and sanitation are realized, so the product quality is more applicable to the modern consumption requirements.

The invention relates to a method for reducing the deformation quantity of workpieces after laser cladding. The method comprises the steps that light outlets of two semiconductor lasers are placed downwards in parallel, two lasers are emitted in the same vertical plane in the same direction in parallel and are focused respectively, the focusing position of a second light spot is changed through the reflection action of a reflector set behind a focusing lens of a second light path, the two lasers act on the same work surface, a first light spot is used for cladding of the surface layer of material, the second light spot is used for secondary fusion of the surface layer of the material subjected to the cladding treatment, and therefore uneven portions on the surface of the material can be repaired. In the machining and repairing process, the size of the first light spot is smaller than the size of the second light spot. According to the method, the mode that only one light spot of a traditional laser cladding light source can be used for machining is changed, the two lasers are used for machining, the surface evenness of a cladding layer of the machined material is remarkably optimized, the machining quality and efficiency of laser cladding are greatly improved, and the subsequent machining is reduced.

The invention relates to pipeline drilling, in particular to an automatic drilling machine for collecting pipes. It includes a frame, which is provided with a clamping swing angle mechanism, a drilling mechanism, and an auxiliary clamping mechanism, which are located on the other side of the pipeline workpiece clamped by the clamping swing angle mechanism, and can be mounted on the machine. The frame moves along the length direction of the pipeline workpiece, and the first auxiliary clamping mechanism is provided with a pressing assembly that can be pressed on the outer surface of the pipeline workpiece; the auxiliary positioning mechanism is located on one side of the auxiliary clamping mechanism for bearing The bending section of the tube workpiece includes a supporting plate and a driving mechanism for driving the supporting plate to rotate, and the driving mechanism can make way for the bending section to rotate with the pipeline workpiece after driving the supporting plate to rotate. When the pipe is installed, one end is clamped and positioned by the clamping swing angle mechanism, and the bending part of the other end is positioned by the auxiliary positioning mechanism, so that the entire pipe can be placed on the horizontal plane, thereby improving the processing quality of the drilling.

The invention discloses manually-positioning intermittent edge ironing equipment for shoes. The manually-positioning intermittent edge ironing equipment comprises a body. A supporting rod is arranged on one side of the upper end of the body, an electric heating block is fixedly connected to the top end of the supporting rod through an electric telescopic rod, a work pool is arranged in the middle of the upper end of the body, an adjusting threaded rod is penetratingly arranged in the middle of the sidewall of an inner cavity of the work pool, and a controller is arranged at one end of the sidewall of the body. The manually-positioning intermittent edge ironing equipment for the shoes has the advantages that under the action of the adjusting threaded rod, a shoe product can be well fixed and cannot deviate and waggle during processing, so that shoe product processing quality is improved; an arc air absorbing plate is capable of absorbing heat, dust and odor produced during shoe product processing, so that an working environment of operation personnel is improved, and health of the operation personnel is guaranteed; electromagnetic valves make intermittent operation possible, and accordingly resource loss rate is decreased and high practicality is achieved.

The invention discloses a firecracker production all-in-one machine. The firecracker production all-in-one machine comprises a reel mechanism, an inserting-leading guide mechanism, a firecracker knotting and conveying mechanism, a medicine filling and recycling mechanism and a packaging mechanism, wherein the reel mechanism comprises a roller wheel (29), rollers (25) and tiles (26); at least four tiles and at least four pairs of rollers are uniformly arranged on the axial middle part of the outer circle of the roller wheel at intervals; one ends of the rollers can be mutually folded and separated by a shuttle barrel after passing through a reel; the inserting-leading mechanism comprises an inserting-leading wheel (32) and a barrel clamping hook (31); at least four shuttle needle tubes are arranged at one end of the inserting-leading wheel at intervals; the firecracker knotting and conveying mechanism comprises a conveying wheel (34), a gummed paper roller (9) and a roller; the gummed paper roller (9) is used for conveying upper gummed paper (10) and lower gummed paper (33); the roller is used for conveying a firecracker knotting line (59); the medicine filling and recycling mechanism comprises a conveying wheel (38) and a pressure folding wheel (8), wherein a backing plate (46) is arranged at one side of the pressure folding wheel in an inclined manner. The firecracker production all-in-one machine not only can be used for improving the firecracker production efficiency, but also can be used for saving spice, improving the firecracker quality, reducing the firecracker processing cost and ensuring the safety.

The invention provides a T/R receiving front-end module processing method applied to the technical field of phased array radar system components. The steps of the T/R receiving front-end module processing method are as follows: 1) processing a front-end radio frequency circuit board (1), sintering a radio frequency circuit board body and a bottom plate (4), and sintering a radio frequency electrical appliance component (5) on the radio frequency circuit board body; 2) processing a front-end control circuit board (2), and sintering a control circuit board body and a control electrical appliance component (6); 3) installing the front-end radio frequency circuit board (1) and the front-end control circuit board (2) on a cavity (7); and 4) connecting the front-end radio frequency circuit board (1), the front-end control circuit board (2) and a radio frequency connector (3), thereby completing processing of the T/R receiving front-end module. The T/R receiving front-end module processing method provided by the invention is simple in step and low in cost, can conveniently and rapidly complete T/R receiving front-end module processing, improves the product percent of pass of T/R receiving front-end modules, and is suitable for volume production of T/R receiving front-end modules.

The invention discloses a die bonding procedure of an in-line LED bead packaging technology. The die bonding procedure includes the steps of material feeding, material conveying and discharging. Specifically, the material feeding step includes the process of fixing positive and negative pole pins to supports of a die bonder, conveying the supports to a processing station of the die bonder through a material feeding device, carrying out die bonding operation, fixedly arranging insulation paste and chips on the positive and negative pole pins of the supports on the die bonder, and completing the die bonding operation. The material conveying step includes the process of conveying the supports after the die bonding processing out from the processing station of the die bonder through a material conveying device, locking the supports through a locking device, and pushing a material conveying block to axially move through a pushing device to push the supports out of the processing station of the die bonder. The discharging step includes the process that the supports are discharged one by one through a discharge device, and namely the supports are conveyed out from a discharge rail section to a suspension rod for uniform collection through the pushing device and are discharged one by one through vertical movement of a moving block. The die bonding procedure has the advantages that automation of the whole die bonding operation can be achieved by being combined with the existing die bonder, processing efficiency is high, errors caused by manual operation are reduced, and die bonding processing quality is improved.

The invention discloses a motor spindle vibration active control apparatus. The apparatus comprises a bearing assembly installed on a motor spindle and an adjustable positioning assembly capable of performing adjustable radial positioning on the bearing assembly. The motor spindle vibration active control apparatus, combined with a proper control method, can realize piezoelectric ceramics based vibration active control of a high-speed motor spindle, and can be adapted to the requirements for support rigidity of different bearings at the same time. When the high-speed motor spindle works, a piezoelectric ceramics actuator can be controlled through the proper control method, the position of a spindle core can be adjusted, and the vibration active control of the high-speed motor spindle can be realized so that the vibration of the high-speed motor spindle is reduced, the part surface processing quality, processing precision and processing efficiency are improved, the seriation and standardization design and manufacture of parts are facilitated, the apparatus is simple and compact in structure, and the assembling and maintenance are easy.

The invention belongs to the field of down deep processing equipment and particularly relates to a down cluster selection system. The down cluster selection system comprises a down tank and a cylindrical screen portion, an inner cavity of the cylindrical screen portion is communicated with a feeding port to form a feeding cavity which is communicated with an external large down cluster collection component, a small down cluster cavity is formed in an area between the outer wall of the cylindrical screen portion and the inner wall of the down tank and communicated with an external small down cluster collection component, each of a feeding pipeline and a delivery pipeline is provided with an inner negative-pressure environment, and the small down cluster cavity and the feeding cavity are communicated through screen meshes. The feeding cavity is internally provided with a stirring portion; two ends of the cylindrical screen portion are fixedly connected to two opposite side walls of the down tank respectively. The down cluster selection system further comprises a collection trough; the small down cluster collection component comprises a first cavity and a second cavity; stirring teeth are arranged in the first cavity which is communicated with a dust box, and the second cavity is communicated with a small down cluster collection tank. The down cluster selection system has the advantages that high selection quality of large down clusters and small down clusters is realized, and accordingly processing burden of the subsequent procedures can be effectively relieved, and the down cluster selection system is pretty reliable and stable in operation.

A vertical shaft machine includes a base, a blade seat and two sliding seats. The base has a worktable thereon. The blade seat is disposed on the workable. The blade seat has two sides each formed with at least one dovetailed groove. The two sliding seats are respectively disposed at the two sides of the blade seat. Each of the sliding seats includes a dovetailed sliding block which corresponds to the dovetailed groove of the blade seat for the sliding seat to be slid on the blade seat steadily. The sliding seats can resist other pull force and push force except the force from the sliding direction so as to slide on the blade seat steadily, enhancing the processing quality effectively.

The invention relates to a diamond wire saw cutting apparatus and process of a silicon wafer for a solar cell. The diamond wire saw cutting apparatus comprises a guide wheel positioned between two main groove wheels; and through the guiding and transition of the guide wheel, the shake of the diamond steel wire is reduced in the cutting process. The process comprises the following steps: the tension of the diamond wire saw of a silicon bar in the cutting process is 26-28 N; and at the cutting end of the silicon bar, namely, in the cutting process of the remaining 1/8-1/10, a cutting speed of 0.5-0.7 mm/min is adopted. Through the scheme in the invention, the silicon wafer product yield is greatly increased, the silicon wafer processing quality is relatively good, the problem of environmental pollution caused by the traditional cutting manner of 'naked steel wire plus abrasive slurry' is eliminated, and the scheme has values in application and popularization.

The invention provides an ash removing device and method for a fiber drawing furnace. The ash removing device comprises a gas guide-in device, a negative pressure suction device and a pressure control device, wherein the top of the gas guide-in device is connected with the bottom of the fiber drawing furnace in a sleeving manner; the bottom of the gas guide-in device is connected with a lower furnace tube in a sleeving manner; the negative pressure suction device is arranged on the top of the fiber drawing furnace and communicates with an upper furnace tube; the pressure control device comprises a pressure detector, a PLC and a pressure adjuster; the pressure detector is arranged in the gas guide-in device; the pressure adjuster is arranged in the negative-pressure suction device; an input end of the PLC is connected with the pressure detector; and an output end of the PLC is connected with the pressure adjuster. By the ash removing device and method for the fiber drawing furnace, ash removing efficiency of the fiber drawing furnace can be improved, a fiber processing environment is improved, and the period of stopping for ash removal of the fiber drawing furnace is prolonged.

The invention discloses a manufacturing method of a rotor body of an internal mixer, in which a numerical control technology is adopted for machining. The manufacturing method is characterized by comprising the following steps of: casting, cleaning and modeling a rotor body; establishing a three-dimensional physical model for the rotor body; generating a machining program code; carrying out numerical control machining on the rotor body; welding an alloy to the surface of the rotor body; polishing the surface of the rotor body; and detecting the rotor body; and according to the invention, as the rotor body of the internal mixer is machined by a numerical control technology, the machined outside dimension of the rotor body is greatly improved, the machining quality of the rotor body is improved, the production period is reduced, the production cost is reduced, and the quality of a rubber material of a user in the rubber mixing process is greatly improved.