Tire Building Machines

Method for producing vehicle tires with improved efficiency and reduced complexity compared to conventional tire manufacturing methods. The method involves separately building the tire carcass on a drum, removing it, and then expanding and connecting the sidewalls onto the carcass on separate drums before transferring it to the final drum for shaping. This allows building the carcass and sidewalls separately and connecting them later, avoiding the need for complex carcass building drums. The steps are: finish carcass, remove, expand sidewall drums, transfer carcass, expand sidewalls, transfer again, shape final tire.

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Folding up the outer tire components onto a cambered tire carcass on a tire building drum using external roller levers and drives instead of internal bellows or side levers. This avoids the need for internal bellows or levers that wear out and require rework. The roller levers are moved radially by external drives to fold up the outer tire sections onto the cambered carcass. Then a continuous rolling process turns the folded sections inside out onto the carcass using turnover rollers. This allows simple and reliable folding of the outer tire sections onto the cambered carcass without internal mechanisms.

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Turning up the sidewalls of a tire during the building process to prevent issues with side bellows and roller levers. The method involves expanding the tire carcass on a drum, folding the sidewalls up using radial-moving levers covered in stretchable material, and rolling them firmly onto the carcass. The covered levers and stretchable material provide even tension as the sidewalls are turned inside out and attached to the carcass. This avoids issues with side bellows not reaching the shoulders and uneven contact pressure with roller levers.

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Machine for automated manufacture of biased crown tires with improved performance. The machine has a shaping system to expand the carcass body radially, a biasing system to interconnect the carcass and crown plies during shaping, and control to coordinate crown and carcass production. The biasing alters carcass orientation in the overlap area to create a biased crown. This allows radial carcass sidewalls with an oblique intersecting carcass in the crown.

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A method for producing vehicle tires using a tire building drum to avoid cord deflection in the tire carcass. The method involves rolling the tire components onto the drum as usual, but then stopping the drum rotation and applying pressure to the tire with a roller. This compresses the tire sections against the drum surface, forming a wave-shaped deformation. The roller is then rotated to transfer the compressed shape to the adjacent section. This prevents carcass cord deflection by counteracting the pressure force with an oblique counterforce. After completing the drum winding, the tire is cured and finished.

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Automatic assembly line for heavy commercial vehicle tires that uses robots and conveyors to automate tire assembly on large trucks. The line has pre-tightening stations, tightening stations, and manual stations on both sides of the main conveyor. Robots with grippers pre-tighten the nuts on the tires, then another robot tightens them fully. This allows automated assembly of heavy truck tires that are too large and heavy for manual installation.

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Dual tire component feeding system for improving tire quality by precisely aligning the leading and trailing edges of dual tire components when they are placed on the tire building drum. The system has two independent pick-and-place units that can move laterally to adjust the edge alignment. Sensors detect the component position on the conveyor and drum. A control unit coordinates the pick-and-place movements based on the sensor signals. This allows compensating for component shifting during transport and joining the edges accurately.

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A giant tire building machine with six drums arranged in two stages to improve efficiency and reduce labor compared to multi-drum machines. The machine has separate track assemblies for carcass and belt layer formation. The carcass assembly is transferred between drums using a ring. This allows sequential carcass building without moving steps. The belts are added in a separate track. After winding, the tire rotates 180 degrees for symmetrical grooving. This eliminates intermediate transfers and simplifies the process.

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Tire building apparatus that allows adjusting the height of semi-finished tires wound around the drum in different directions to prevent gaps and sagging during molding. The apparatus has joints that move vertically along the drum circumference and width. The joints have elevating members and molding joints with attachments for the tires. The molding joints can have coupling parts that engage adjacent joints to prevent gaps. This allows adjusting tire height in both directions while preventing sagging and gaps at the ends.

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A linear tire assembly line for efficient and compact tire assembly in a production line. The line has four stations arranged in a straight line, with clamping frames and clamping heads at the first three stations. The tire loading mechanism, inflation mechanism, and transmission drive are between the frames. The clamping heads secure the hub and tire. The linear layout allows moving the hub and tire between stations using progressive clamping. This saves space compared to rotating tables. A controller coordinates the clamping, loading, and inflation steps.

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Three-in-one automatic tire loading machine that reduces labor, improves efficiency, and allows simultaneous multi-process operation compared to manual tire assembly. The machine has stations for valve nut assembly, tire casing assembly, and inner tube inflation aligned on a moving conveyor frame. This allows tires to be loaded with all steps done simultaneously instead of sequentially. The conveyor moves the tires between stations as each assembly is performed. This eliminates manual handling and waiting time between steps.

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Manufacturing vehicle tires that can be produced in a simple manner using a vehicle tire building process. The process includes wrapping the insert in the tire bead around a bead core, wrapping the insert or the carcass ply is firmly anchored in the tire bead, and removing the sidewalls from the tire carcass and folding the sidewall composites into a group.

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Manufacturing vehicle tires in a simple manner using a method which allows the sidewalls to be better integrated into the tire building process. The method includes placing or wound up on the side wall drum, the first partial area of the side wall is placed or wound up on the side wall drum, and the second partial area of the side wall is wound up precisely on the side wall drum in the form of a large number of narrow material strips.

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Tire building machine that can be converted between two common tire building methods without needing two separate machines. The machine has a take-up shaft for receiving the tire building drum. The first drum is for the shoulder method and the second drum is for the flat drum method. The drums can be swapped individually without the other drum. This allows the machine to produce tires using either the shoulder or flat drum method.

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In-line agricultural radial tire building machine with improved efficiency and automation compared to traditional radial tire building machines. The machine has a linear arrangement of the forming, pressurization, feeding, and unloading sections on a base. Transfer rings move half parts and blanks between sections. A radial pressure mechanism and feeding mechanism flank the base. An automated unloader in the middle removes the formed tires. This allows compact, in-line assembly with reduced footprint and automated unloading.

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A cost-effective tire assembly machine for 4S shops that simplifies tire mounting without the need for expensive assembly lines. The machine has a sliding support module with a stepper motor that moves a rotating spline. The spline connects to a pneumatic gripper on one side and a fixed frame on the other. This allows the gripper to slide and rotate while holding the tire. The machine also has an extruding module that slides up and down to push the tire onto the wheel rim. The sliding support and extruding modules enable tire mounting without complex automated systems.

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Tire building machine with a compact layout and automated loading/unloading to improve efficiency and reduce manual labor compared to conventional radial tire building machines. The machine has a carcass conveyor, a molding main engine, an embryo conveyor, and a robot device. The carcass conveyor has a tire position, the molding main engine has an upper tire position, and the embryo conveyor has an unloading position. The robot has movable claws at these locations. This allows the robot to grab and move tires between stations without external equipment. The carcass conveyor has a shaping device with lifting and rotating assembly to adjust tire position. The embryo conveyor has separate paths for qualified and unqualified embryos. A detection device checks embryos before transfer.

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A double-station two-stage radial tire building machine with improved efficiency by having two stations for molding and winding the tire components. This allows concurrent processing of tasks like upper ply drumming, belt layer bonding, and spoke fitting while tread winding is being done in the other station. The machine has two main frames and chucks on opposite sides of a rotating panel with a main shaft connecting them. This enables simultaneous processing of different steps in each station.

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A method and apparatus for manufacturing tires that allows consistent and efficient production of tires with improved quality. The method involves using a dedicated turn-up drum with driven fingers to create uniform turn-ups on the tire blanks. This is different from the prior art where turn-ups are formed during tire building. The turn-up drum has spindles outside the main drum that drive the turn-up fingers. This provides symmetric motion for consistent turn-ups. The turn-up length is adjusted to flatten the blank for better load transfer. The method allows using flat building or crown building techniques.

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Automated method and machine for manufacturing SOT green tires with high turnup plies. The machine allows fully automated production of SOT green tires with at least one high turnup ply. It uses a split tire building drum with movable halves, a core clamping device, turn-up bladders, sidewall servers, and a radial expandable middle section. The steps involve placing plies, expanding the middle, installing cores, turning up plies, transferring sidewall material to drum halves, moving halves under the core, pressing sidewalls, and introducing air. This allows building high turnup plies that overlap the sidewalls to reinforce them without covering the middle.

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Tire building machine with a booster device to prevent tire bursts during the building process. The machine has a fitting drum with a booster cylinder and connecting rod to expand and contract the drum diameter. This booster device is installed on the fitting drum to aid in controlling the drum expansion and contraction during carcass fitting and rolling. It allows more precise control compared to the traditional pneumatic drum expansion. The booster cylinder is connected to the piston inside the drum and can be adjusted using a solenoid valve to prevent over-expansion that can cause tire mouth blowouts.

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A five-drum tire building machine with improved efficiency for making large tires like engineering tires, truck tires, and giant tires. The machine has separate areas for carcass fitting, turn-up, belt layering, shaping, and winding. The drum arrangements are optimized for parallelism and section transfers. The carcass and turn-up drums are on a base, belt drums are on a second base, shaping and winding drums are on a third base. A transfer beam moves a ring between bases. This allows simultaneous processing and transfer between stages. The machine has separate areas for feeding, laminating, flip-up, belt layering, shaping, winding, and unloading.

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Method and equipment for assembling tires that reduces layout and space requirements while maintaining quality and efficiency. The method involves delivering forming drums horizontally to the assembly equipment, rather than vertically. This allows using a simpler, more compact robot for handling the drums. The horizontal delivery is possible because the shaping drum in the assembly machine also has a horizontal axis. This enables using a Cartesian robot instead of an anthropomorphic one, which is more suitable for horizontal delivery and has fewer axes to coordinate.

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Method and plant for building tires with improved quality and efficiency. The method involves a unique process of forming the tire's inner liner (housing sleeve) and outer liner (outer sleeve) separately and then joining them. This allows optimizing the liner shapes and properties separately before assembly. The plant has dedicated lines for forming the inner and outer liners, which are then transferred and joined in a separate station. This balances competing requirements of liner tension and uniformity. The method also involves using a gripping ring to form the inner liner inside the outer liner for better shape control.

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Multi-carcass drum tire building machine for manufacturing tires with improved efficiency and flexibility compared to existing multi-drum machines. The machine has separate carcass and crown drums on separate chassis, with separate feeding racks. This allows independent adjustment of carcass width and crown dimensions without affecting each other. It also enables faster setup and changeovers compared to interconnected multi-drum machines. The separate drums and chassis are mounted on a common frame.

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A giant tire building machine with multiple drums and transfer rings to improve efficiency of tire production compared to traditional multi-drum methods. The machine has separate assembly stations for carcass, belt, and shaping drums. A transfer ring moves the carcass between drums. This allows simultaneous assembly and reduces transport steps. The belt transfer assembly moves belts to the carcass drum. The machine also has a rotating platform for winding and grooving tires. It has separate carcass rubber supply and guide systems. The two-section layout saves space.

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A tire building machine with improved efficiency and compactness compared to conventional tire building machines. The machine has separate stations for feeding carcass, belts, and beads. The carcass drum, belt drums, and forming drum move along parallel tracks. A transfer ring moves belts between drums. This allows simultaneous feeding and assembly of the tire components. The compact layout with parallel tracks reduces space requirements compared to feeding everything together.

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Automated main engine for electric vehicle and motorcycle tire building machines that can fully automate the process of laminating and molding tire components like inner liners, cords, and treads. The engine has separate feeding frames for the carcass and tread materials, and automated drum devices that fit, turn, and press the components without manual intervention. This allows fully automated production of electric vehicle and motorcycle tires with improved efficiency, quality, and consistency compared to manual methods.

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A one-stage tire building machine for producing light truck tires in a more efficient and compact layout compared to conventional multi-stage machines. The machine uses a single forming headstock, carcass drum, lower pressing device, and transfer device to mold the entire tire in one pass. The transfer device slides laterally between the headstock and drum. The lower pressing device slides vertically. This allows the tire components to be fed and pressed sequentially on the same horizontal plane. The compact layout reduces floor space and material transportation distances compared to multi-stage machines.

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Fully automatic wide base tire forming machine for high-performance wide section tires like 385/65R22.5. The machine has a bed with drums for carcass, tread, and forming. It also has devices for winding and storing steel wire crown belts, and for winding and storing PE paper. These features enable automated production of wide base tires with optimized materials like steel wire crown belts and PE paper. The machine can be operated by a single person and has a class output of 120 tires per shift.

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Process for building tires on a drum that improves bead stability during tire construction. The process involves gradually expanding the drum radially to form the tire carcass rather than quickly expanding it. This allows the tire beads to smoothly abut against the drum surface instead of bouncing off. The gradual expansion prevents discontinuities in the tire structure near the beads that can occur during rapid expansion. This improves tire quality and makes it easier to wind the tire carcass onto the drum.

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A simplified tire building machine with improved centering accuracy by moving the outer half drums independently along the main shaft instead of supporting them on the shaft. This eliminates load variation between half drums due to rim size differences, preventing main shaft deflection and improving tire centering. The half drums slide axially relative to the fixed main shaft using a coaxial screw.

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Automatic assembly machine for solid tires of electric bicycles that can efficiently assemble solid tires without requiring manual assistance. The machine has a frame with a linear transmission line, a tire mounting mechanism, and a tire support mechanism. The tire support mechanism expands and contracts the tire diameter using a rotating motor and cylinder. This allows the tire to be enlarged and contracted to accommodate the wheel hub. The machine fixes the tire and hub positions and expands the tire to fit the hub, then compresses the tire to secure it. This automatic expansion assembly method is specifically designed for solid tire devices that have less sidewall deformation compared to vacuum tires.

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Method and plant for efficiently managing annular anchoring structures in a tire building process to allow flexible production of tires with different sizes without idle time between batches. The method involves storing annular anchoring structures of different sizes in separate regions. During production of a tire batch, the current batch's anchoring structures are moved to one storage region. For the next batch, the appropriate anchoring structures are moved from the other storage region. This allows simultaneous preparation of anchoring structures for multiple batches.

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Tire building method for a tire building machine that uniformly stretches the rubber material when forming the carcass component to prevent quality issues. The method involves expanding the middle drum of the building drum in stages to control the stretching of the carcass material. The middle drum is initially contracted with shoulders at a certain distance. It is then inflated to expand radially. The inflation stops when the shoulder distance reaches a larger value, allowing the middle drum to expand further. This reserves length for the carcass material to prevent stretching during expansion. The expansion is controlled so the carcass material stretches evenly without localized overstretching.

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Method and system for building tires more efficiently by optimizing the use of shaping drums and support rings in tire construction machines. The method involves selecting the appropriate shaping drum with matching dimensions for the specific tire being built, rather than having a fixed drum for each tire size. This allows using fewer drums since smaller tires can use larger drums. The system has a storage for unused drums and transfers them as needed. It also independently builds multiple tires on separate drums simultaneously.

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A process for building green tires that allows concurrent construction of two different types of tires on separate workstations rather than sequentially building one type and then the other. The process involves using distinct primary semi-finished products at each workstation to construct the carcasses simultaneously. This allows independent tire construction without waiting for completion of the carcass in one workstation. A bypass device transfers the partially built tire between workstations for further processing.

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Automatic assembly method and installation for making tires that allows complete automation of the assembly process to reduce costs. The method involves placing stationary tire bands on distribution platforms and having free-moving building drums come into contact with the bands to assemble the tire blank. The drums can rotate and translate to shape the blank. This allows the drums to move freely inside a work zone instead of being compactly arranged around a drum like in traditional tire assembly.

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Process and apparatus for building tires in a single step that allows flexible construction of tires starting from conventional semi-finished strips. The process involves winding the strip around a forming drum with movable side sections. The strip is uniformly extended without circumferential difference between center and edges. This enables joining the strip ends after winding for a precise and repeatable joint. The apparatus has a shaping drum with movable side sections matched to the forming drum. It also has a roller to prevent slippage during winding. The shaping drum wraps the strip around its surface to build the tire carcass.

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Reducing cycle time in tire production plants by optimizing building devices to improve efficiency. The method involves having separate loading, unloading, and building areas in the device, with dedicated load/unload manipulators for each area. This allows simultaneous loading/unloading while building continues, reducing wait times.

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A pneumatic tire manufacturing process and apparatus to improve uniformity in the tire circumferential direction and reduce depression defects. The process involves supplying the two carcass plies separately to the building drum at the same time, with their joints offset in the circumferential direction. This disperses the joint locations instead of having them aligned. This prevents the jointed areas from bulging less than the non-jointed areas during inflation, which can cause depressions in the tire. By staggering the joint positions, the joint areas are more evenly loaded and less prone to depression defects.

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Tire building machine and method for making vehicle tires that allows production of tires for different vehicle types on a single machine without requiring multiple specialized drums. The machine has a rotating drum that can be connected to the shaft and has clamping segments to hold the tire carcass. A lever device turns over sidewall strips over the bead cores. The drum can have multiple levers for turning over multiple sidewall strips simultaneously. This allows producing tires with different widths and diameters on the same machine without needing separate drums for each tire size. The drum is rotated to move the tire carcass segments and the levers turn over the sidewall strips.

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A positioning system for efficiently handling flexible bead rings made of synthetic fibers like aramid on a tire building machine to produce lightweight, foldable tires. The system positions the bead rings on the circumferential groove of the drum before expansion. This allows automated placement without operator intervention. The drum has a turn-over device to flip the sidewall over the bead ring. This eliminates the time-consuming manual steps of shaping and holding flexible bead rings before drum expansion.

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An apparatus for building green tires that ensures repeatable airtightness during tire assembly regardless of tire size. The apparatus has an annular seal ring with three sections: a central section that doesn't move axially and two lateral sections that can move. This allows the seal ring to conform to different tire diameters without stretching. When the tire is assembled, the lateral sections expand and press against the tire bead to seal against radial expansion. The central section prevents stretching or deformation of the seal ring. This ensures consistent sealing force around the entire circumference of the bead regardless of tire diameter.

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Automatic device to transfer and align tire tubes onto a second-stage shaping drum in a two-stage molding process for tire production. The device has a fixed frame, a transfer assembly with horizontal and vertical adjustments, and a tire tube support assembly. It moves the tube horizontally and vertically to align it with the second-stage drum, then transfers the tube onto the drum. This automated tube handling reduces manual labor and improves quality by preventing tube deformation during transfer.

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Automatic tire assembly line for efficient and consistent production of tires without relying on manual labor. The line uses a PLC to control the assembly process steps for splitting, turning, sub-assembling, and inspecting tire skins and wheel hubs. The PLC coordinates the movement of components between dedicated storage devices using tracks and manipulators. This allows automated handling of the skin and hub sub-assembly before final assembly inspection and stacking. The line reduces labor costs, improves quality, and speeds up production compared to manual assembly.

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Automated tire assembly line for trucks that reduces operator labor and increases automation compared to manual tire assembly. The line has a series of mechanisms to unstack, turn, convey, and mount tires onto truck rims. The unstacking mechanism removes tires from a pallet. The turning mechanism flips the tires over. The conveying mechanism moves the tires. The mounting mechanism grabs and installs the tires on the vehicle. This automated sequence replaces manual processes where operators handle and move tires.

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Automatic tire assembly machine that can efficiently and safely assemble tires without human intervention. The machine has a base, table, motor, rotating mechanism, pressing mechanism, and discharging mechanism. The rotating mechanism has multiple shafts, gears, and discs to move the tires. The pressing mechanism has a wedge block to squeeze the tires. The discharging mechanism has slides and springs to move the assembled tires. This allows the machine to automatically feed, squeeze, and remove tires without operator intervention.

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A tire building device and method for radial OTR tires that improves production efficiency and quality compared to existing two-drum and four-drum tire building machines. The device has a rail system with lateral and longitudinal transfer rings, carcass, belt, and building tooling on the rails, a shaping tooling for winding the tire, and an unloading mechanism. This allows sequential compounding, building, and winding of the tire components in a continuous process. It eliminates issues like tooling congestion, misalignment, and operator movement in other machines.

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An automated tire pressing and assembly machine for manufacturing solid inner drum tires faster and with less manual labor compared to traditional methods. The machine uses vibration, synchronous belts, cams, and pressure levers to automatically press tires onto wheels without manual intervention. It consists of a base, vibration plates, transmission plates, frames, mounting plates, motors, shafts, synchronous pulleys, and belts. The vibration plates are synchronized by belts and cams to automatically press the tires onto the wheels. This eliminates the need for manual labor and reduces production time compared to traditional manual methods.

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