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31results about How to "Process does not affect" patented technology

Comprehensive electroplating wastewater treatment method

The invention relates to a comprehensive electroplating wastewater treatment method. The electroplating wastewater is divided into six brand-new classes, a chemical and biochemical combined process is adopted, a separate system drainage pipe network is adopted, the electroplating wastewater is divided into ink wastewater, complex wastewater, pretreatment wastewater, cyanogen-containing wastewater, chromium-containing wastewater and common electroplating wastewater, the six classes of wastewater respectively flows into respective underground adjusting tank through the pipe network, and is treated by respective process, and the effluent is discharged after reaching a standard. Because of the scientific water separating and stepwise pretreatment of a front-end chemical treatment part, different pollutants are respectively removed in different process sections according to characteristics, crossed enrichment and mutual reaction of the different pollutants are reduced to the greatest extent, and the pressure of microorganisms in the biochemical process is reduced. Treatment facilities for the six classes of wastewater are mutually connected and relatively dependent, and when inlet water quality fluctuates, a corresponding section is only required to be adjusted, the whole process is not influenced, the management is scientific and orderly, and operational risks are reduced.
Owner:SHENZHEN YINTAI ENVIRONMENTAL PROTECTION ENG TECH +2

Method, device and system for controlling processes of abnormal pages

The invention provides a method and a device for controlling processes of abnormal pages. The method comprises the following steps: acquiring a page address list of the abnormal pages, wherein the abnormal pages comprise pages which cause a browser to be broken down and / or jammed; judging whether a page address which a user requests to access is in the page address list; and if yes, creating a page independent subprocess by a browser host process and rendering a page corresponding to the page address which the user requests to access by the page independent subprocess. According to the invention, the normal use of the browser can be protected from influences when the user accesses the high risk page.
Owner:360 TECH GRP CO LTD

Self alignment contact scheme, semiconductor device and method for manufacturing the same

An embodiment is a method including forming a first gate over a substrate, the first gate having first gate spacers on opposing sidewalls, forming a first hard mask layer over the first gate, forming a second hard mask layer over the first hard mask layer, the second hard mask layer having a different material composition than the first hard mask layer, forming a first dielectric layer adjacent and over the first gate, etching a first opening through the first dielectric layer to expose a portion of the substrate, at least a portion of the second hard mask layer being exposed in the first opening, filling the first opening with a conductive material, and removing the second hard mask layer and the portions of the conductive material and first dielectric layer above the first hard mask layer to form a first conductive contact in the remaining first dielectric layer. The invention also provides a self alignment contact scheme, a semiconductor device and a method for manufacturing the same.
Owner:TAIWAN SEMICON MFG CO LTD

Type 2 diabetic patient edible saccharose included stuffed fried dough twist and production method thereof

The invention relates to a type 2 diabetic patient edible saccharose included stuffed fried dough twist. The stuffed fried dough twist comprises a fried dough twist flour strip, a sesame strip and stuffing. The mass ratio of the fried dough twist flour strip to the sesame strip is 9: (1-8). L-arabinose of certain proportion is added in the stuffed fried dough twist, so that decomposition of saccharose can be inhibited, a novel stuffed fried dough twist product which contains saccharose and is capable of inhibiting the rising of blood glucose and suitable for being eaten by diabetic patients is produced. As for the production process, lactic acids are added creatively to be used as food processing aids, so that conditions are created for the development of the function of L-arabinose, the stuffed fried dough twist product quality is improved, the production process is simplified, and the production cost is reduced. A production method of the stuffed fried dough twist maintains the characteristics that the stuffed fried dough twist is fragrant and sweet, soft-resistant for long-time storage and the like; the product enjoying people are increased, and the market blank is filled.
Owner:天津桂发祥十八街麻花食品股份有限公司

Method for forming non-planar transistor

The invention provides a method for forming a non-planar transistor. The method includes: firstly, providing a substrate defining an active region and a peripheral region, with a plurality of ultra-shallow channel isolators connected to the active region of the substrate; secondly, removing the ultra-shallow channel isolators to expose part of a sidewall of the substrate; forming a conductive layer on the active region and the peripheral region on the substrate to cover the part of the sidewall of the substrate; patterning the conductive layer to allow the conductive layer to form a gate of a planar transistor in the peripheral region and form a gate of at least one non-planar transistor in the active region; and forming a source and a drain on two sides of the gate of each non-planar transistor.
Owner:UNITED MICROELECTRONICS CORP

Device and process for preparing dimethyl carbonate

The invention discloses a device and a process for preparing dimethyl carbonate. The device comprises a reactive distillation column and an extractive distillation column. A methyl alcohol inlet and a propylene carbonate inlet of the reactive distillation column are arranged on the side of the reactive distillation column. A column top outlet of the reactive distillation column is arranged at the top of the reactive distillation column, and a column bottom outlet of the reactive distillation column is arranged at the bottom of the reactive distillation column. A raw material inlet and an extraction agent inlet of the extractive distillation column are arranged on the side of the extractive distillation column. A column top outlet of the extractive distillation column is arranged at the top of the extractive distillation column, and a column bottom outlet of the extractive distillation column is arranged at the bottom of the extractive distillation column. The column top outlet of the reactive distillation column is connected with the raw material inlet of the extractive distillation column. The column top outlet of the extractive distillation column is connected with the methyl alcohol inlet of the reactive distillation column. The device and the process have the advantages that the process is simple and good in effect, operability is high, industrial production is easy to expand, and market prospect is wide.
Owner:CHINA CONSTR IND & ENERGY ENG GRP CO LTD

Technology for removing impurities in dicalcium phosphate

The invention discloses a process for removing impurities in calcium hydrogen phosphate, which is characterized in that: it consists of the following steps: preparation of ore pulp, acidolysis reaction, crystallization to remove impurities, one-stage neutralization, crystallization to remove impurities, second-stage neutralization, and three-stage One-stage neutralization, which is characterized in that under the condition of controlling the reaction pH, the process of crystallization and impurity removal is added before the process of one-stage neutralization and two-stage neutralization, so that the impurities existing in the liquid gradually form crystals during the flow process Reduce impurities.
Owner:LUFENG TIANBAO PHOSPHORUS CHEM CO LTD

Drilling device and drilling method for rotary disc type bearing

The invention discloses a drilling device and a drilling method for rotary disc type bearing. The drilling device comprises a base, a base plate and a mounting plate, wherein the base plate is weldedto the top of the base, and a through hole is formed in the middle end of the interior of the base plate; and a first motor is installed at the middle end of the top of the base, a longitudinally-arranged bearing rod is fixedly arranged at the top of the first motor, and the top of the bearing rod penetrates upwards from the interior of the through hole. A longitudinally-arranged first electric telescopic column is arranged on one side of the bottom of the mounting plate, the top of the first electric telescopic column is fixedly connected with a clamping buckle, and one side of the clamping buckle is fixedly connected with the outer bottom end of the bearing rod. A fixing frame is mounted at one end of the bottom of the mounting plate, and three sets of drill bits are uniformly mounted atthe bottom of the fixing frame. The drilling device is convenient and rapid to use, can be processed according to different disc-type bearings, and can adapt to disc-type bearings with different sizes, the drilling disc type bearing is convenient and rapid to mount, high in working efficiency and cleaner and sanitary.
Owner:MAANSHAN YUEMEI METAL PROD TECH IND

Formation method of memory device

The invention relates to a formation method of a memory device. The method includes the following steps that: a multi-layer overlapped composite layer is formed on the surface of a substrate, the surface of the composite layer is provided with a mask layer, the composite layers include insulating layers and device layers arranged on the surfaces of the insulating layers; a strengthened layer is formed on a part of the side wall surface of the mask layer, and the strengthened layer exposes the top surface and a part of the side wall surface of the mask layer; with the strengthened layer adopted as a mask, the exposed side wall surface of the mask layer is etched, so that a part of the surface of the composite layer at the top is exposed; with the mask layer and the strengthened layer adopted as a mask, the exposed composite layer is etched, the etching thickness of the composite layer is greater than or equal to the thickness of a single device layer; the steps in which the side wall of the mask layer and the composite layer are etched are repeated for once or by a plurality of times until the size of the projection pattern of the plurality of device layers is gradually decreased from the bottom layer to the top layer along at least one direction, so that the plurality of device layers can form a steeped structure which is shrunk gradually from the bottom layer to the top layer. The memory device formed by the method of the invention has the advantages of low space occupancy rate, high bit density and low bit cost.
Owner:SEMICON MFG INT (SHANGHAI) CORP

Network resource conflict processing method and device, equipment and storage medium

The invention discloses a network resource conflict processing method, device and equipment and a storage medium. The method comprises the following steps: querying a target virtual machine associated with a network resource when determining that the resource conflict occurs when the network resource is allocated to a virtual machine to be created currently; judging whether the target virtual machine is deleted or not; and if the target virtual machine is deleted, releasing the network resources. According to the method and the device, under the condition that the network resources provided for the virtual machine to be created currently are determined to have conflicts, whether the target virtual machine is deleted or not is judged by querying the target virtual machine, and when the target virtual machine is determined to be deleted, the network resources are released, so that the situation that the network resources are deleted under the condition that the network resources are remained is avoided; if a virtual machine is created subsequently and the same network resource as the network resource remaining before is created for the virtual machine, the problem of network resource conflict occurs.
Owner:NEW H3C BIG DATA TECH CO LTD

Process film for FPC manufacturing process, preparation method and application thereof

The invention relates to a process film for an FPC manufacturing process. The process film is used for attaching an FPC to a module in a FPC manufacturing process and comprises a base material, a pressure-sensitive adhesive layer and a release film layer, wherein one surface of the base material is a corona surface, the corona surface of the base material is coated with the pressure-sensitive adhesive layer, the release film layer is compounded on the pressure-sensitive adhesive layer, and the pressure-sensitive adhesive layer comprises a matrix resin, and further comprises at least one of a UV monomer, a photoinitiator and a cross-linking agent. According to the invention, the process film is attached to a surface coating of an FPC in a FPC manufacturing process so as to fixedly bear the FPC in a module, and due to the high viscosity characteristic, the process film has high attaching performance and adhesive force on a surface coating material of the FPC, so that fixing of the FPC in the module is effectively improved; in the whole FPC manufacturing process, the high-temperature environment in the manufacturing process can be borne; and the process film for the FPC manufacturing process has good adhesion and no pollution to a coating material on the surface of the FPC, so that the process film can be applied to the whole manufacturing process of the FPC without influencing the manufacturing process of the FPC.
Owner:上海精珅新材料有限公司

Advanced treatment system for electroplating wastewater

The invention relates to the field of wastewater treatment, and discloses an advanced treatment system for electroplating wastewater, which comprises a physical and chemical treatment system, a biochemical treatment system, a recycling system and a sludge treatment system. The physical and chemical treatment system comprises a primary treatment system, an intermediate water tank, a secondary treatment system and a buffer tank which are sequentially connected through pipelines. The buffer tank is connected with the biochemical treatment system through a pipeline, the biochemical treatment system is connected with the recycling system through a pipeline, and the primary treatment system, the secondary treatment system, the biochemical treatment system and the recycling system are all connected with the sludge treatment system. According to the advanced treatment system for electroplating wastewater, the electroplating wastewater is classified, collected and treated from the source, and the electroplating wastewater of different types is deeply treated through a multi-stage physicochemical treatment and biochemical treatment process, so that the treatment efficiency is improved, and the treatment effect is improved.
Owner:金源(荆州)环保科技有限公司

Process processing method and device

The embodiment of the invention provides a method for processing processes in containers. The method is used for a physical machine. The multiple containers are deployed on the physical machine. The physical machine comprises a watchdog driver. The watchdog driver receives a first operation instruction of the first container through a device file dev, wherein the first operation instruction includes a first process identifier (PID), and the first PID represents that the first operation instruction is issued under the first process in the first container; a first namespace corresponding to thefirst container is determined according to the first PID; all the processes in the first container are deleted according to the first namespace. Thus, the watchdog driver can delete all the processesin the specific container through the determined namespace of the container without influencing the processes in the other containers, and the process processing of container granularity is realized.
Owner:HUAWEI TECH CO LTD

Methods of forming non-planar transistors

The present invention provides a method of forming a non-planar transistor. First, a substrate is provided, on which an active area and a peripheral area are defined. A plurality of ultra-shallow trench isolations are formed in the active region bonded to the substrate. Portions of each ultra-shallow trench isolation are then removed to expose portions of sidewalls of the substrate. A conductive layer is formed on the active area and the peripheral area on the base, and covers part of the sidewall of the base. The conductive layer is patterned such that the conductive layer forms gates of planar transistors in the peripheral region and at least one gate of non-planar transistors in the active region. Source / drain are formed on both sides of the gate of the non-planar transistor.
Owner:UNITED MICROELECTRONICS CORP

A device and method for continuously injecting light oil to realize cold recovery of heavy oil

The invention relates to a heavy oil recovery device and method, in particular to a device and method for continuously injecting light oil to realize heavy oil cold recovery. The technical solution is: connect the injection double-layer isolation pipe at the lower end of the oil well pump barrel, connect the injection suction splitter at the lower end of the double-layer isolation pipe, and set a suction floating ball in the inner cavity of the injection double-layer isolation pipe, and inject the suction shunt The lower end of the injector is connected to the injection diluter, the lower part of the inner cavity of the injection suction splitter is provided with a multifunctional constant pressure isolation plate, and the upper part of the inner cavity of the packer is equipped with a packer seat seal fixed pressure plate, and a Oil pump plunger. The beneficial effects are: there is no risk of scalding during construction, and because the heavy oil cold recovery process is adopted, the risk of blockage of the oil pipeline due to the temperature drop of the extracted heavy oil in the gathering and transportation is also avoided; the dilution source Continuous injection is possible with light oil, which is more plentiful and less expensive than chemically diluted sources.
Owner:SHENGLI COLLEGE CHINA UNIV OF PETROLEUM

Stuffed fried dough twist capable of inhibiting absorption of sucrose and regulating fat metabolism after eating, and manufacturing method thereof

The invention relates to a stuffed fried dough twist capable of inhibiting absorption of sucrose and regulating fat metabolism after eating. The stuffed fried dough twist comprises fried dough twist sticks, sesame strips and stuffing, wherein a ratio of a mass of the fried dough twist sticks and the sesame strips to a mass of the stuffing is 9 to (1-8). According to the stuffed fried dough twist disclosed by the invention, L-arabinose of a certain proportion is added into the stuffed fried dough twist, therefore the stuffed fried dough twist can inhibit decomposition of the sucrose and synthesis of fats. As for a manufacturing technique, an organic acid is creatively added to be used as a food processing auxiliary, so that a condition is created for exertion of functions of the L-arabinose, quality of a finished stuffed fried dough twist is improved, a production technique is simplified, and a production cost is reduced. According to the manufacturing method of the stuffed fried dough twist capable of inhibiting absorption of sucrose and regulating fat metabolism after eating disclosed by the invention, characteristics of being sweet, crisp, not getting soft after being kept for a long time, and the like of the stuffed fried dough twist are retained, so that a consuming crowd of the stuffed fried dough twist is increased and a market void is filled.
Owner:天津桂发祥十八街麻花食品股份有限公司

Power MOS device and manufacturing method thereof

The invention relates to a power MOS device and a manufacturing method thereof. The power MOS device comprises a semiconductor substrate. The first surface of the semiconductor substrate is provided with an epitaxial layer. The epitaxial layer includes a drift region and a well region and a source region located on the drift region. The second surface of the semiconductor substrate is provided with a drain metal layer, wherein a conductive plug is arranged in the semiconductor substrate and the resistivity of the conductive plug is less than that of the surrounding semiconductor substrate. Theconductive plug is arranged so that the effect of reducing the on-resistance can be achieved without excessively thinning the semiconductor substrate and the on-resistance of the power MOS device canbe reduced and the reliability of the device can also be improved.
Owner:SEMICON MFG ELECTRONICS (SHAOXING) CORP

Method for dragging cement production line rotating machine by adopting steam turbine

The invention provides a method for dragging a cement production line rotating machine by adopting a steam turbine. The method comprises the steps: A, a driving part of the rotating machine adopts the steam turbine; B, a steam boiler produces steam and fees the steam into the steam turbine through a pipe; C, the steam turbine drives the rotating machine to rotate; D, dead steam produced by the steam turbine in working is discharged into a coagulator; E, water coagulated by the coagulator is fed into a deaerator; F, deoxidized water in the deaerator is fed into a deoxidizing water tank; G, water in the deoxidizing water tank is fed into the steam boiler; H water in the steam boiler is heated to form steam and the steam is fed into the steam turbine. A high-power high-voltage electric motor is replaced by the steam turbine, the output rotation speed and power of the steam turbine can be adjusted by adjusting the steam quantity of the boiler, the power requirement of the rotating machine is met, stepless speed regulation is achieved, energy consumption is reduced, and throttle and low-efficiency loss caused by process parameter adjustment in the cement production process are reduced.
Owner:陕西大唐新能电力设计股份有限公司

Air-coal graded low-nitrogen combustion equipment and technology and cement clinker firing system

The invention relates to air, coal and material graded low-nitrogen combustion equipment and process as well as a cement clinker sintering system. The air, coal and material graded low-nitrogen combustion equipment comprises a decomposition furnace, a tertiary air valve, a cyclone barrel, a rotary kiln and an overturning valve, and is characterized by further comprising a high-temperature-resisting air locking spiral conveyor, a Roots blower, an additionally-arranged tertiary air valve and a material distribution valve, wherein the decomposition furnace is provided with a tertiary air inlet and a separated new tertiary air inlet; a tertiary air general pipeline is connected with the tertiary air inlet of the decomposition furnace through the tertiary air valve; a tertiary air branch pipeline is arranged on the tertiary air general pipeline passing through the tertiary air valve; the additionally-arranged tertiary air valve is arranged on the tertiary air branch pipeline; the tertiary air branch pipeline is connected with the separated new tertiary air inlet through the additionally-arranged tertiary air valve; a region between the lower end face of a cone body of the decomposition furnace and the lower edge of the tertiary air inlet is a reduction decomposition region; and a region between the lower edge of the tertiary air inlet and the lower edge of the separated new tertiary air inlet is a reduction inhibition region.
Owner:TIANJIN DECHENG ZHICHENG CEMENT BUILDING MATERIALTECH CONSULTATION SERVICES CO LTD

Type 2 diabetic patient edible saccharose included stuffed fried dough twist and production method thereof

The invention relates to a type 2 diabetic patient edible saccharose included stuffed fried dough twist. The stuffed fried dough twist comprises a fried dough twist flour strip, a sesame strip and stuffing. The mass ratio of the fried dough twist flour strip to the sesame strip is 9: (1-8). L-arabinose of certain proportion is added in the stuffed fried dough twist, so that decomposition of saccharose can be inhibited, a novel stuffed fried dough twist product which contains saccharose and is capable of inhibiting the rising of blood glucose and suitable for being eaten by diabetic patients is produced. As for the production process, lactic acids are added creatively to be used as food processing aids, so that conditions are created for the development of the function of L-arabinose, the stuffed fried dough twist product quality is improved, the production process is simplified, and the production cost is reduced. A production method of the stuffed fried dough twist maintains the characteristics that the stuffed fried dough twist is fragrant and sweet, soft-resistant for long-time storage and the like; the product enjoying people are increased, and the market blank is filled.
Owner:天津桂发祥十八街麻花食品股份有限公司

Self-aligned contact scheme, semiconductor structure and method of forming same

An embodiment is a method comprising: forming a first gate over a substrate, the first gate having first gate spacers on opposing sidewalls; forming a first hard mask layer over the first gate ; forming a second hard mask layer over the first hard mask layer, the second hard mask layer having a material composition different from that of the first hard mask layer; forming a first dielectric adjacent to and over the first gate layer; etch a first opening through the first dielectric layer to expose a portion of the substrate, at least a portion of the second hard mask layer is exposed in the first opening; fill the first opening with a conductive material; and remove the second hard mask layer masking layer and removing the conductive material and portions of the first dielectric layer overlying the first hard mask layer to form first conductive contacts in the remaining first dielectric layer. The invention also provides a self-aligned contact scheme, a semiconductor structure and a forming method thereof.
Owner:TAIWAN SEMICON MFG CO LTD

A kind of stuffed twist with low GI value and its preparation method

The invention relates to a stuffed twist with a low GI value, that is, a stuffed twist with a low glycemic index, comprising twist noodles, sesame sticks and fillings, the ratio of the quality of the twist noodles to the sesame sticks and the quality of the stuffing is 12: 1‑8.5. The twisted doughnuts of the present invention replace part of the wheat flour with soybean flour with a low GI value, do not add sucrose, and add an appropriate proportion of isomalt and stevia. While avoiding the consumption of sucrose by diabetic patients, it can effectively alleviate the hidden worry of GI value increase due to starch hydrolysis in flour, and has a double insurance effect on the inhibition of blood sugar increase. The preparation method of the stuffed twist with low glycemic index provided by the present invention retains the characteristics of the traditional twist, which is sweet and crisp, and does not stick after a long time. It is suitable for people with diabetes and people who have low GI dietary requirements and pay attention to nutrition and health. The audience of the product is the first in the improvement of domestic sugar alcohol food technology.
Owner:天津桂发祥十八街麻花食品股份有限公司

Comprehensive electroplating wastewater treatment method

The invention relates to a comprehensive electroplating wastewater treatment method. The electroplating wastewater is divided into six brand-new classes, a chemical and biochemical combined process is adopted, a separate system drainage pipe network is adopted, the electroplating wastewater is divided into ink wastewater, complex wastewater, pretreatment wastewater, cyanogen-containing wastewater, chromium-containing wastewater and common electroplating wastewater, the six classes of wastewater respectively flows into respective underground adjusting tank through the pipe network, and is treated by respective process, and the effluent is discharged after reaching a standard. Because of the scientific water separating and stepwise pretreatment of a front-end chemical treatment part, different pollutants are respectively removed in different process sections according to characteristics, crossed enrichment and mutual reaction of the different pollutants are reduced to the greatest extent, and the pressure of microorganisms in the biochemical process is reduced. Treatment facilities for the six classes of wastewater are mutually connected and relatively dependent, and when inlet water quality fluctuates, a corresponding section is only required to be adjusted, the whole process is not influenced, the management is scientific and orderly, and operational risks are reduced.
Owner:SHENZHEN YINTAI ENVIRONMENTAL PROTECTION ENG TECH +2

Method for finishing hard mask layer, method for forming transistor grids, and stack structure

A method for trimming a hard mask layer provides a substrate, a hard mask layer, and a three-layer stack layer on the substrate. The three-layer stack includes a top photoresist, a silicon-containing layer, and a bottom photoresist. The top photoresist, the silicon-containing layer, the bottom photoresist and the hard mask layer are sequentially patterned, and then a trimming process is performed on the hard mask layer. Since the underlying photoresist of the present invention is thin and is worn out during etching, photoresist line collapse does not occur.
Owner:UNITED MICROELECTRONICS CORP

Method of forming memory device

The invention relates to a formation method of a memory device. The method includes the following steps that: a multi-layer overlapped composite layer is formed on the surface of a substrate, the surface of the composite layer is provided with a mask layer, the composite layers include insulating layers and device layers arranged on the surfaces of the insulating layers; a strengthened layer is formed on a part of the side wall surface of the mask layer, and the strengthened layer exposes the top surface and a part of the side wall surface of the mask layer; with the strengthened layer adopted as a mask, the exposed side wall surface of the mask layer is etched, so that a part of the surface of the composite layer at the top is exposed; with the mask layer and the strengthened layer adopted as a mask, the exposed composite layer is etched, the etching thickness of the composite layer is greater than or equal to the thickness of a single device layer; the steps in which the side wall of the mask layer and the composite layer are etched are repeated for once or by a plurality of times until the size of the projection pattern of the plurality of device layers is gradually decreased from the bottom layer to the top layer along at least one direction, so that the plurality of device layers can form a steeped structure which is shrunk gradually from the bottom layer to the top layer. The memory device formed by the method of the invention has the advantages of low space occupancy rate, high bit density and low bit cost.
Owner:SEMICON MFG INT (SHANGHAI) CORP

Drilling device and drilling method for slewing bearing

The invention discloses a drilling device and a drilling method for rotary disc type bearing. The drilling device comprises a base, a base plate and a mounting plate, wherein the base plate is weldedto the top of the base, and a through hole is formed in the middle end of the interior of the base plate; and a first motor is installed at the middle end of the top of the base, a longitudinally-arranged bearing rod is fixedly arranged at the top of the first motor, and the top of the bearing rod penetrates upwards from the interior of the through hole. A longitudinally-arranged first electric telescopic column is arranged on one side of the bottom of the mounting plate, the top of the first electric telescopic column is fixedly connected with a clamping buckle, and one side of the clamping buckle is fixedly connected with the outer bottom end of the bearing rod. A fixing frame is mounted at one end of the bottom of the mounting plate, and three sets of drill bits are uniformly mounted atthe bottom of the fixing frame. The drilling device is convenient and rapid to use, can be processed according to different disc-type bearings, and can adapt to disc-type bearings with different sizes, the drilling disc type bearing is convenient and rapid to mount, high in working efficiency and cleaner and sanitary.
Owner:MAANSHAN YUEMEI METAL PROD TECH IND
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