26results about How to "Improve pressure distribution" patented technology

The invention relates to the field of propellers or rotors for airplanes, in particular to a bionic curved zigzag ducted rotor based on owl wings. A bionic curved zigzag ducted rotor wing based on an owl wing comprises a ducted body (1), a support (2) and a rotating shaft (3), the outer end of the support (2) is fixed on the inner side wall of the ducted body (1), the rotating shaft (3) is rotatably arranged at the center of the support (2), the bionic curved zigzag ducted rotor wing is characterized by further comprising at least two rotor wings (4), the rear ends of the rotor wings (4) are fixed on the rotating shaft (3), and the rotor wings (4) are evenly distributed around the rotating shaft (3). Namely, the connecting lines of the outer end points of all the rotor wings (4) form a line segment or a regular polygon with the rotating shaft (3) as the center, gaps are reserved between the front ends of the rotor wings (4) and the inner side wall of the duct body (1), and sawteeth (41) are arranged on the rear edges of the rotor wings (4). The pneumatic performance is excellent, and noise is reduced.

The embodiment of the invention discloses an ocean oil reservoir yield increasing method and device based on a neural network and a medium. The method comprises the steps that current ocean oil reservoir parameters are obtained; if the oil production per unit time of the marine reservoir in the current marine reservoir parameters is lower than the preset oil production per unit; the production pressure difference, the water injection pressure difference and the oil reservoir exploitation proportion of the ocean oil reservoir in the current ocean oil reservoir parameters and the preset unit oil yield are input into a pre-trained yield adjustment model, a pressure difference adjustment scheme is obtained, the yield adjustment model is a multi-layer perceptron neural network model comprising a plurality of full-connection layers, and the multi-layer perceptron neural network model comprises a plurality of full-connection layers; the pressure difference adjustment scheme comprises adjustment of a production pressure difference and / or a water injection pressure difference, and a production pressure difference adjustment value and / or a water injection pressure difference adjustment value; and according to the pressure difference adjustment scheme, the production pressure difference and / or the water injection pressure difference of the marine reservoir in the current marine reservoir parameters are / is adjusted, so that the unit time oil production of the current marine reservoir is improved.

The invention provides a circular hollow sealing ring for a nuclear power valve, and belongs to the technical field of sealing rings. Comprising a sealing ring main body, the sealing ring main body comprises an outer ring and an inner ring, an inner sealing ring is arranged on the inner ring of the sealing ring main body, the inner sealing ring is solid, the inner sealing ring is made of flexible graphite packing, an installation groove is formed in the outer ring of the sealing ring main body, a middle sealing ring is arranged in the installation groove, and the middle sealing ring is arranged in the middle sealing ring. A top sealing ring is arranged above the middle sealing ring, and a bottom sealing ring is arranged below the middle sealing ring. The sealing ring can be automatically repaired through a high-temperature or high-pressure environment when the sealing ring is micro-cracked or damaged, the service life and reliability of the sealing ring are improved, the service life of the sealing ring is prolonged, the performance of the sealing ring at the extreme temperature is improved, meanwhile, the radiation absorption agent is added, the radiation aging resistance of the sealing ring is improved, and the service life of the sealing ring is prolonged. And the radiation tolerance of the sealing ring is enhanced.

The invention discloses a micromotor-driven distributed turbulent flow pumpless liquid cooling device for space thermal control. The micromotor-driven distributed turbulent flow pumpless liquid cooling device comprises a pipeline body and an impeller pump, the impeller pump comprises an impeller with the outer diameter being D and capable of actively rotating. When the impeller pump is used for overall heat dissipation of a single small-size electronic element, one impeller pump is arranged in the cooling flow channel at the position 0.5 D-1. 5D away from the upstream of the small-size electronic element; when the impeller pump is used for eliminating the hot spots of the large-size electronic element, one impeller pump is arranged in the cooling flow channel at the position 0.5 D-1. 5D away from the upstream of each hot spot to be eliminated. An external pump is removed, and the impeller pump is arranged in the cooling flow channel, so that on one hand, a cooling working medium is pumped, on the other hand, a turbulent flow effect is achieved on the cooling working medium, a boundary layer is broken, and the heat dissipation effect is improved. In addition, for a large-scale heat dissipation scene, a plurality of impeller pumps can be arranged in the cooling flow channel in an array mode, the impeller pumps can be placed at local hot spots in a targeted mode, targeted heat dissipation is achieved, and the heat dissipation efficiency and uniformity are further improved.

The present invention provides a circular hollow sealing ring for nuclear power valves, belonging to the technical field of sealing rings; comprising a sealing ring body, the sealing ring body comprising an outer ring and an inner ring, the inner ring of the sealing ring body being provided with an inner sealing ring, the inner sealing ring being solidly provided, the inner sealing ring being made of flexible graphite packing, the outer ring of the sealing ring body being provided with an installation groove, the interior of the installation groove being provided with a middle sealing ring, the upper part of the middle sealing ring being provided with a top sealing ring, and the lower part of the middle sealing ring being provided with a bottom sealing ring. The present invention can automatically repair the sealing ring through a high temperature or high pressure environment when the sealing ring is micro-cracked or damaged, thereby improving the life and reliability of the sealing ring, extending the service life of the sealing ring, and improving its performance under extreme temperatures, while adding a radiation absorbent to improve the radiation aging resistance of the sealing ring, thereby enhancing the radiation tolerance of the sealing ring.

The invention discloses a method for improving the winding quality of an underground mine tire tread shoulder, and relates to the technical field of tire production. According to the technical scheme, the method comprises the following steps: (1) chamfering the inner sides of a 1 # exhaust compression roller, a 5 # exhaust compression roller, a 6 # exhaust compression roller and a 9 # exhaust compression roller, and arranging a circle of puncture bulges on a 3 # exhaust compression roller; and (2) controlling the pressure of a main cylinder of the tread winding machine head to be 0.4-0.5 MPa, controlling the pressure of an exhaust compression roller to be 0.3-0.4 MPa, and adjusting the distance between a large compression roller of the tread winding machine head and the tire blank to be 30-50mm. The invention creatively solves the problem of symmetry and stability of the size and shape of the tread winding shoulder of the underground mine L5 / L5S series tire, and ensures the symmetry of the size and shape of the tread winding shoulder and the compactness of the tread winding adhesive tape, thereby ensuring the uniformity and compactness of the distribution of the tire material.

The invention provides an extrusion screw for producing a PVC cast film and an extrusion device, and belongs to the technical field of extrudes.The extrusion screw comprises a screw body, the screw body comprises a feeding section, a compression homogenizing section, a plasticizing section and an extrusion section which are sequentially arranged in the axial direction of the screw body, first screw flights are distributed on the feeding section, the compression homogenizing section and the plasticizing section, and second screw flights are distributed on the extrusion section; the first screw flight is distributed on the feeding section, the second screw flight is distributed on the extrusion section, a barrier mixing head and a stirring mixing head are arranged on the extrusion section, the barrier mixing head is located between the first screw flight and the second screw flight, the feeding section, the plasticizing section and the extrusion section are all of an equal-diameter shaft structure, the diameter of the feeding section is smaller than that of the plasticizing section, and the compression homogenizing section is of a variable-diameter shaft structure. The diameter of the compression homogenizing section is gradually increased from one end close to the feeding section to one end close to the plasticizing section. The screw has the beneficial effects that the structural design of the screw is reasonable, the mixing and homogenizing effects of materials can be ensured, the materials cannot stay for a long time at high temperature, and meanwhile, the productivity efficiency is ensured.

The invention discloses a downward segmented spindle-shaped open stope subsequent cemented filling mining method, belongs to the technical field of mining, and is particularly suitable for a soft broken thick and large steep ore body. The method comprises the following steps: firstly, mining at least three layers at the top position of the ore body by adopting a downward layered access cemented filling method, and forming an initial false roof for the whole stope; mining is carried out under the initial false roof by adopting downward segmented spindle-shaped open stoping subsequent cemented filling, stoping is carried out segment by segment from top to bottom during stoping, stoping drifts between upper and lower adjacent segments are staggered in a shape like a Chinese character'pin ', upward spindle-shaped gun rows are arranged in the drifts of all the segments, stoping is carried out from an upper wall to a lower wall to form chambers, and the chambers are separated from the upper wall to the lower wall; the caved ore in the chamber is transported out by the remote control carry-scraper, and the filling air return duct at the top of the chamber can realize filling, air return and the like on the chamber; according to the mining method disclosed by the invention, non-pillar continuous efficient stoping can be realized along the trend and the vertical direction of the ore body, and the mining efficiency and the mining operation safety are improved on the basis of effectively controlling the ground surface settlement.

The utility model discloses a portable massage bed, which relates to the technical field of massage beds and comprises a working assembly and a pull rod. The working assembly is used for massage and lying of a customer; the working assembly comprises a bed board and a bed surface; the bed board and the bed surface are cuboid-shaped, the bed surface is fixed on the upper side surface of the bed board, and the bed surface completely covers the upper side surface of the bed board; the pull rod is fixed on the lower side of the bed board; the number of the working assemblies is two, the two working assemblies are symmetrically arranged in the extending direction of the pull rod, and the upper ends, close to each other, of the two bed boards are hinged; the device can be more portable in use, can be folded to be similar to a luggage case when not in use, and is convenient to carry; the massage bed is simple in structure and practical, various instruments such as a moxibustion box and an electric acupuncture machine can be stored in the massage bed, the massage bed is suitable for various physical therapy operations, meanwhile, the bed surface of the folded and stored massage bed faces the inner face, the bed surface can be protected in the moving process, and the bed surface is effectively prevented from being damaged in the moving process.

This application relates to the field of natural gas extraction and transportation technology, and discloses a mixed-transportation booster device for natural gas wells. The device includes an integrated housing with a multi-stage booster assembly inside. The multi-stage booster assembly includes a first booster tank, a second booster tank, and a third booster tank. The outer sides of the first, second, and third booster tanks are all fixedly connected to the inner side of the integrated housing. This mixed-transportation booster device for natural gas wells significantly reduces the device size through the integrated design of the integrated housing and the multi-stage booster assembly, solving the problem of the large size of traditional multi-stage compression equipment. The multi-stage booster assembly, in conjunction with a booster pump, achieves efficient step-by-step boosting. Simultaneously, the gradient contraction design of the gradually narrowing channel significantly improves the gas kinetic energy conversion efficiency. Combined with curved guide vanes, it optimizes the airflow path and reduces energy loss. Finally, a pressure transmitter and electrically controlled valves work together to optimize pressure distribution and achieve precise control.

This invention relates to the field of proton exchange membrane electrolyzers, and discloses a bipolar plate flow channel design for a proton exchange membrane electrolyzer based on honeycomb biomimetic principles. The design includes: an electrolyte inlet, a gas-liquid mixture outlet, a honeycomb biomimetic flow field region, an inlet distribution region, and an outlet collection region. The electrolyte inlet supplies deionized water into the flow channel; the gas-liquid mixture outlet discharges a mixture of electrolyte, hydrogen, and oxygen; the honeycomb biomimetic flow field region is composed of several periodically and closely arranged regular hexagonal flow channel units, covering the effective reaction area on the anode side of the bipolar plate; the electrolyte inlet and the gas-liquid mixture outlet are connected through a connecting channel within the honeycomb biomimetic flow field region. The flow channels of this invention exhibit a more uniform velocity field distribution and a more reasonable pressure field distribution, verifying that they maintain excellent and stable hydrodynamic performance under different operating conditions.

The invention discloses press-fit equipment for electronic product production, and relates to the technical field of press-fit equipment, and the press-fit equipment comprises a press-fit mechanism. According to the press-fit equipment for electronic product production, the press-fit mechanism is designed, an air cylinder is connected with a movable plate, an extrusion starting mode is adopted, a press-fit block is driven to extrude a mold mechanism, and therefore the electronic product press-fit effect is achieved, a square groove is formed in the bottom of the press-fit block, pressure distribution is improved through grooving, pressure is more uniform on the press-fit face, and the press-fit efficiency is improved. According to the laminating machine, the laminating quality is improved, the air permeability is improved, gas generated in the laminating process can be discharged, so that the effect of reducing bubbles is achieved, meanwhile, the plastic films are arranged on the two sides of the laminating block, the plastic films are polylactic acid films, adhesion can be effectively reduced, and the situation that adhesion is generated in the laminating process, and the working efficiency is affected is prevented; and through the separation mechanism, the effect of ensuring the stability of the sliding structure is achieved, and equipment operation is ensured.

This utility model relates to the field of respiratory therapy equipment technology, and discloses a mask pad, a nasal mask, and an oronasal mask. The mask pad includes a connecting portion, a pressure support portion, a contact support portion, and a facial contact portion arranged sequentially along the wearing direction. The connecting portion, pressure support portion, contact support portion, and facial contact portion constitute a single-layer pad. The contact support portion and the facial contact portion form a curved structure extending inward and bending towards the connecting portion. The pad is a single-layer membrane pad, which can optimize the support structure to relieve facial pressure, avoid the edge-cutting effect, and improve airflow guidance while ensuring a tight seal, thereby improving wearing comfort. This solves the technical problem of existing mask pads having a contradiction between sealing and comfort, and poor adaptability.

The utility model discloses an air bearing with high bearing capacity, and relates to the technical field of foil type dynamic pressure air bearings. Comprising a bearing seat, a bump foil sheet and a flat foil sheet are sequentially arranged on the inner ring of the bearing seat, the bump foil sheet and the flat foil sheet are both coaxially fixed with the bearing seat, and the bearing seat is characterized in that a plurality of drainage grooves are formed in the inner wall of the flat foil sheet in the circumferential direction and are arranged in the axial direction. And a staggered bump foil structure is matched, and the flat foils and the bump foils are fixed in opposite rotating directions. The drainage grooves have a guiding effect on airflow, air film pressure distribution can be improved, an air film is formed more easily in the operation process to support the inner ring, and the bearing capacity is improved through cooperation with the bump foil pieces. Air enters the drainage grooves, air film pressure distribution is more reasonable, and compared with a flat foil without the drainage grooves and an equal-wavelength-wave foil, the bearing pressure is greatly improved. When the bearing is subjected to external load, the non-deformability of the gas film is enhanced. In addition, the two foils are fixed in opposite rotating directions, and dynamic friction in operation is reduced due to the same dynamic deformation trend.

The utility model relates to sludge treatment technical field especially is a kind of sludge solidification treatment device, it includes sludge treatment main part and auxiliary adjusting assembly.Sludge treatment main part contains mixing cavity, solid-liquid separation module and solidification agent adding module, auxiliary adjusting assembly includes pressure regulating mechanism and cleaning maintenance mechanism.Solid-liquid separation module uses multiple layers annular filter screen and telescopic pressure plate to optimize pressure distribution, pressure regulating mechanism adjusts pressure dynamically through air bag assembly, and cleaning maintenance mechanism removes residual material using scraper and spraying assembly.The utility model sets up multiple layers annular filter screen and telescopic pressure plate, optimizes the pressure distribution in solid-liquid separation process, avoids the filter screen blockage problem caused by high viscosity sludge, improves dehydration efficiency, and the air bag assembly in pressure regulating mechanism can adjust pressure dynamically according to sludge characteristics, enhances the adaptability of device to different moisture content sludge.

The invention discloses an annular sensor, relates to the technical field of sensor equipment, and aims to solve the problem of inaccurate measurement due to existence of coupling force in an existing sensor. Comprising a sensor element, a positioning installation mechanism integrated bearing plate, a power connection port, an installation sleeve and a positioning assembly, the installation sleeve constructs a sensor installation frame, and the power connection port transmits electric signals. The opening mechanism is composed of a top plate, a telescopic piece, a bottom plate and an opening assembly, the opening assembly cooperates with the telescopic piece while the installation space is closed, and the coupling force generated when the sensor is pressed is reduced. When the sensor element is subjected to external pressure, the sensor element can be uniformly and stably expanded, and shaking and coupling force in the mounting sleeve are effectively eliminated, so that the accuracy and the stability of measurement are greatly improved.

The invention discloses a design method of a floating oil collector and the floating oil collector, and the design method comprises the following steps: judging whether floating oil is a dispersed phase or a continuous phase, and judging the type of a flow state; determining the inner length and the inner height of the collector; analyzing internal flow field characteristics of the collector, performing numerical simulation, and establishing a numerical calculation model capable of describing the internal flow field characteristics of the collector; from the outlet separation efficiency, different inlet shapes are subjected to analog calculation, and the inlet shape of the collector is selected. The obtained floating oil collector comprises a collector inlet, a collector cavity and a collector outlet, the collector inlet is formed in one side of the collector cavity, the collector outlet is formed in the top of the collector cavity, the section of the collector inlet is a semicircular section or a rectangular section or a circular-groove-shaped section, and the collector cavity is of a streamline structure. According to the invention, the pressure distribution is effectively optimized, the emulsification risk is reduced, the dynamic separation efficiency and quality are improved, the stability and durability of equipment are enhanced, and the maintenance demand and the operation cost are reduced.

The present application relates to the technical field of impellers, and in particular to a variable-inclination centrifugal impeller, comprising a chassis, a frame and blades; the middle portion of the frame is an air inlet, and a rotating shaft is provided in the middle portion of the chassis close to the frame, and the rotating shaft is used to connect an external driving shaft; the blades are arranged between the frame and the chassis, and the blades are arranged equidistantly around the rotating shaft, and an air outlet is formed between the blades; the blades are composed of a conformal segment and a deformed segment, the conformal segment is located on the side close to the chassis, and the deformed segment is located between the frame and the conformal segment; the thickness of the deformed segment gradually becomes thinner in the direction from one side of the chassis to one side of the frame, and the projection area of ​​the top of the deformed segment is located within the projection area of ​​the conformal segment; the present invention can effectively improve the aerodynamic performance of the fan, improve the pressure distribution on the upper end surface of the blade, and has the effect of improving the work efficiency of the impeller and reducing the weight of the blade.

This application discloses a distributed monitoring method and system for internal pressure of deep-sea hoses based on fiber Bragg gratings, relating to the field of intelligent sensor technology. In this method, firstly, the raw reflectance spectrum data of the fiber Bragg grating is acquired, the center wavelength is extracted, and the drift is calculated to obtain a composite wavelength drift sequence. Secondly, a refractive index distortion correction is calculated based on the external environmental pressure to correct the wavelength, and the temperature and external water pressure components are decoupled and removed to obtain the target wavelength drift sequence. Then, a compensation factor is calculated using peak optical power for amplitude compensation to obtain a second wavelength drift sequence. Finally, the wavelength drift sub-sequences of each node are intercepted according to a preset interval, and the internal fluid pressure of each node is calculated using a pre-calibrated pressure sensitivity coefficient, thereby obtaining the distributed monitoring result. Implementing the technical solution provided in this application can improve the accuracy of monitoring the internal fluid pressure of deep-sea hoses.

The invention belongs to the technical field of mechanical energy storage and hydroelectric generation, and discloses a wing-shaped flow guide component for controlling the hydraulic instability of a pump turbine. The pump turbine can stably work under the working condition of turbine power generation and the working condition of water pump water pumping through the wing-shaped flow guide component installed in the draft tube, and spiral vortex strips and pressure pulsation in the draft tube are relieved. The wing-shaped flow guide component in the middle of the straight cone section of the draft tube is connected with the wall face of the draft tube through an anchor chain. The spiral vortex strip enters the flow guide component, firstly, the vortex strip cannot move in the radial direction due to limitation of the wall face, the vortex strip is broken into a large number of small vortex structures after impacting the wall face, secondly, the device separates a dead water area from a main flow area, the vortex strip cannot obtain speed compensation of the main flow area, and therefore the circumferential speed is reduced, and the eccentric distance is reduced. The method can relieve the hydraulic instability of the pump turbine in the power generation working condition and the water pumping working condition at the same time.

This invention discloses an endoscope operating device and an endoscope. The operating device includes: a housing having a gripping area for hand gripping and an operating area adjacent to one end of the gripping area; a bending function knob assembly capable of rotating about a rotation axis to bend a bending portion located in an insertion portion; a plurality of function button assemblies connected to the housing and located in the operating area; a support portion protruding from the first surface of the gripping area of ​​the housing, supporting the user's left thumb and index finger when gripping the gripping area, the support portion being closer to the front end of the housing than the bending function knob assembly; and a thumb-base fitting area formed by the continuous transition between the first surface of the gripping area and the adjacent surfaces of the support portion, including an index finger-side support area, a transition area, and a thumb-side covering area arranged sequentially along the gripping direction. By matching the natural curvature of the user's left hand with the thumb-base fitting area, fatigue accumulation can be reduced, and comfort during long-term operation can be improved.

This utility model discloses a shared structure for different eccentricities of an eccentric sleeve in a single-cylinder hydraulic cone crusher, relating to the field of industrial equipment technology. The utility model includes: a sleeve body, cylindrical in shape, with an internal shaft hole whose centerline does not coincide with the centerline of the sleeve body; notches at equal intervals on one end of the outer wall of the sleeve body near the shaft hole; and a connecting hole on the other side of the outer wall of the sleeve body corresponding to the notches; and a cone crusher body, with a connecting cylinder fixed to its bottom, the connecting cylinder being slidably sleeved on the outer surface of the sleeve body. This utility model, by setting multiple sets of equally spaced notches on the outer wall of the sleeve body and embedding locking strips into different notches, allows the equipment to obtain different eccentricities and different crushing strokes. By adjusting the eccentricity, the swing amplitude of the moving cone can be directly controlled, optimizing the pressure distribution in the crushing chamber, reducing over-crushing rate, and improving the uniformity of finished product particle size and production capacity.

The invention relates to the technical field of pump body structures, in particular to a large-diameter gear transmission shaft tubular pump. The device comprises a pump body shell, a main body shell, a drainage shell, a pump head shell, a transmission rod, a layering plate, a sleeving piece, a threaded rod and a guide sliding rail; the pump body shell comprises a main body shell, a drainage shell and a pump head shell, the drainage shell is connected with the main body shell, the pump head shell is connected with the drainage shell, the two ends of the transmission rod extend into the whole pump body shell, and the layering plate is located at the joint of the drainage shell and the main body shell; the bottom end of the threaded rod is in threaded connection with the other end of the sleeving piece, and the guide sliding rail is arranged at one end of the transmission rod; according to the design, the turbine form capable of being axially adjusted is utilized to actively adapt to flow state changes, and then the turbine is adapted to media of different forms.

The invention belongs to the technical field of aero-engine technologies, and provides a turbine guider which comprises a plurality of connected blade assemblies, each blade assembly comprises a plurality of blades, a first margin plate and a second margin plate, one end of each blade is connected with the corresponding first margin plate, the other end of each blade is connected with the corresponding second margin plate, and the first margin plates and the second margin plates are concentrically arranged; the axis on the surface formed by connecting each blade and the second edge plate is parallel to the axial line of the engine, and the angle formed between the tangent line on the first edge plate and the radial height of the blade is gradually reduced until the angle is gradually increased at the preset position of the blade; and the area of a channel formed between the adjacent blades is gradually reduced until the area of the channel is gradually increased after the blades are located at the preset positions of the blades. The channel area is controlled to change according to the setting, the transverse pressure gradient of the front portion of the channel between the blades is reduced, the radial pressure gradient of the blades is reduced, the pressure distribution of the end wall area of the blades is improved, the end wall surface load of the blades is changed, and the turbine efficiency is improved.

This invention relates to the field of medical and nursing device technology, and discloses a hammock-type assisted turning bed and a turning method, including a bed frame body. The bed frame body includes multiple functional segments arranged sequentially along its length. Each functional segment is equipped with a bed surface driving mechanism and a support adjustment mechanism. The bed surface driving mechanism includes a roller winding device and a bed surface. Two roller winding devices are symmetrically arranged on both sides of the bed frame body of the functional segment. The two ends of the bed surface are wound around the rollers of the corresponding roller winding devices. The support adjustment mechanism is located below the bed surface and includes multiple electric cylinders arranged along the width direction of the bed frame body. The hammock-type assisted turning bed and turning method provided by this invention solve the problems of high risk of shear friction injury, high risk of pressure sores, poor comfort, and insufficient safety and adaptability in the practical application of existing technologies.

The utility model discloses a kind of replaceable cold isostatic pressing mould of partition flexible lining, belong to powder forming mould technical field.The mould includes shell, buffer layer being arranged in shell and flexible lining being detachably installed in the inside of buffer layer.It solves the problem of existing cold isostatic pressing mould lining replacement difficulty, high cost, product density unevenness.The utility model is characterized by: flexible lining is the component of independent replacement, preferably using wear-resistant inner layer and high-elastic outer layer Double-layer composite structure;Buffer layer uses the partition design of bottom thickness greater than sidewall thickness, to optimize pressure distribution;Shell outer surface is equipped with stress release groove to prolong life.The utility model realizes the quick replacement of flexible lining by modularization and optimization design, significantly reduces maintenance cost, while improving the density uniformity of pressing green body, and improve the overall durability of mould and the adaptability to different materials.