1822 results about "Brush device" patented technology

A hair brushing device with a hair drying capability, the hair brushing device includes a brush head, wherein the head includes at least a sensor device configured to detect hair data pertaining to a user, a barrel with a plurality of bristles, and at least a moisture-wicking component disposed within the barrel, wherein the at least a moisture-wicking component is configured to absorb at least a fluid from the user's hair, at least a sensor interface configured to wet at least a surface of the at least a sensor device with the at least a fluid, and a brush handle attached to one end of the brush head, wherein the brush handle is configured to be held by the user.

The invention provides a control method of cleaning equipment, the cleaning equipment comprises a rolling brush device, a wiping plate device and a scraping strip device, the rolling brush device can rotate to clean a to-be-cleaned surface, the scraping strip device is arranged on the front side of the rolling brush device, and the wiping plate device is arranged between the rolling brush device and the scraping strip device; the cleaning equipment comprises a first cleaning mode and a second cleaning mode; the control method is configured as follows: in response to a cleaning instruction, the cleaning equipment enters a first cleaning mode, and the motion state of the cleaning equipment is obtained; the scraping strip device is controlled to ascend or descend according to the motion state of the cleaning equipment; after the switching instruction is received, the cleaning equipment is switched from the first cleaning mode to the second cleaning mode, and position information of the scraping strip device is obtained; the wiping plate device is controlled to ascend or descend according to the position information of the scraping strip device. According to the control method, the scraping strip device and the wiping plate device can be controlled to effectively clean different stains, and the cleaning effect of the cleaning equipment is improved.

The embodiment of the invention provides an electrostatic precipitator polar plate system ash removal device and a control method thereof, and belongs to the technical field of electrostatic precipitation. The device comprises: a main frame for mounting each working module; the ash removal module comprises a polar plate rolling brush device and a polar line straight brush device; wherein the polar plate rolling brush device is mounted at the front end of the main frame and used for cleaning the surface of an anode plate in an electric precipitator polar plate system; the polar line straight brushing device is installed at the rear end of the upper surface of the main frame and used for cleaning the cathode line surface in the electric precipitator polar plate system. The adsorption walking modules are mounted at four corners of the main frame and are used for adsorbing the device on the surface of the anode plate through magnetic attraction force and driving the device to move; and the thickness measuring device is mounted at the tail end of the main frame and used for detecting the thickness of residual dust on the surface of the anode plate to judge whether reinforced cleaning is needed. According to the scheme, automatic dust removal of the electric dust remover polar plate system is achieved, the manual intervention frequency is effectively reduced, and the dust removal effect and operation safety are improved.

A vacuum cleaner including a cleaner body and a brush device connected to the cleaner body. The cleaner body may be configured to perform self-diagnosis on each element of the vacuum cleaner by comparing a flow path pressure value of the vacuum cleaner which is detected by using a pressure sensor mounted to a portion of a suction duct and data related to a load of a brush device with reference values stored in a memory, and to output a result of the self-diagnosis.

The utility model provides a steel pipe end ultrasonic flaw detection coupling agent brushing device, which belongs to the field of steel pipe brushing devices and comprises a base, one side of the top of the base is fixedly connected with one side of the bottom of a top plate through two fixing rods, and mounting seats are arranged on the surfaces of the two fixing rods. A rotating assembly is arranged on the surface of the mounting base. A rotating motor is matched with a shaft sleeve to drive a mounting plate to rotate, the mounting plate is matched with two limiting rods, an arc-shaped protective shell, a sliding block, a connecting block, a connecting rod and a strip-shaped block to drive a brush to rotate, so that the brush does circular motion, a pump body is matched with a liquid pumping pipe to pump out a coupling agent in a storage box, and then the coupling agent is fed into a liquid outlet pipe; a plurality of liquid outlet heads are matched to add a coupling agent onto the brush, so that the coupling agent can be conveniently and uniformly brushed onto the end surface of the steel pipe.

The middle tire surface glue brushing device for basketball processing comprises a base, a mounting support, an electric sliding rail, a sliding block, a clamping device and a glue solution box, the mounting support is fixedly connected to the top of the base, the electric sliding rail is fixedly connected to the top of the mounting support, the sliding block is in transmission connection to the surface of the electric sliding rail, and the clamping device is arranged on the surface of the electric sliding rail. The clamping device is fixedly connected to the bottom of the sliding block, the glue solution box is fixedly connected to the front side of the top of the base, a rotating motor is fixedly connected to the rear side of the top of the base, and a rotating disc is fixedly connected to the output end of the rotating motor. By arranging the heating rod, the rotating disc can drive the heating rod to rotate and heat the surface of a basketball middle tire, and the problem that a drying structure is not arranged in the using process, so that a dry glue solution on the surface of the basketball middle tire still has certain flowability and flows downwards is solved; therefore, the uniformity of the glue solution on the surface of the basketball middle tire is influenced, and certain limitation exists.

The invention relates to the technical field of capacitors, and discloses a solar cell panel electrode glue brushing device which comprises a base, a supporting column is fixedly installed on the upper surface of the base, a top plate is fixedly installed at the top end of the supporting column, a hydraulic cylinder is fixedly installed on the upper surface of the top plate, and the output end of the hydraulic cylinder is fixedly connected with a transmission frame. And a glue supply barrel is fixedly mounted on the bottom surface of the transmission frame, and a gluing assembly is arranged at the bottom of the transmission frame. Through the arrangement of the gluing assembly, along with continuous downward movement of the transmission frame, two electrodes at the top of the capacitor body enter two groups of gluing cylinders in sequence, and through a gluing arc plate and a contact wheel, the contact wheel can continuously supply glue to the surfaces of the electrodes while correcting the postures of the electrodes in the gluing cylinders; therefore, the more uniform gluing effect on the surface of the electrode is ensured, and the packaging operation of the electrode on the capacitor body is completed.

The utility model provides a rolling brush device for cleaning equipment, the cleaning equipment and a cleaning system, and relates to the technical field of cleaning equipment, a first rolling brush of the rolling brush device comprises a first end part and a second end part which are opposite in the axis direction; the first cutting assembly and the first rolling brush are driven by a driving assembly of the cleaning equipment to rotate in the first rotating direction, and the first cutting assembly is used for cutting hair wound around the first end in the rotating process; the first cutting assembly and the first rolling brush are arranged to have a speed difference when being driven by the driving assembly to rotate. According to the rolling brush device, the situation that the rolling brush device is wound and clamped by hair and cannot work normally can be avoided, and the working stability of cleaning equipment is improved.

The invention discloses a paper collecting mechanism of a die-cutting machine and the die-cutting machine, and the paper collecting mechanism comprises a braking brush device, a paper conveying device, a paper collecting device and a paper collecting device which are sequentially arranged in the paper conveying direction, and the braking brush device is used for braking paper to slow down the conveying speed of the paper; the paper collecting plate is used for bearing the paper and stacking the paper; the paper raking device is used for releasing the paper conveyed by the gripper row onto the paper collecting plate; the air blowing device comprises an air blowing pipe, the air blowing pipe is located above the center of the paper collecting plate, air outlet holes are formed in the pipe wall of the air blowing pipe and face downwards, and air blown out of the air outlet holes is sprayed to the center of the upper surface of the paper, so that the height of the center of the lower surface of the paper is lower than that of the peripheral side of the lower surface of the paper when the paper falls; the paper aligning device is arranged on the peripheral side of the upper surface of the paper collecting plate and used for abutting against the peripheral side edges of the paper on the paper collecting plate in a reciprocating mode so that the stacked paper can be aligned. The paper collecting device can effectively stack and collect paper in order.

The invention relates to a construction process of a joint occlusion water stop reinforced ultra-deep hectometer-level milling groove ground wall. The construction process comprises the working procedure steps of grooving, groove bottom sediment treatment, reinforcement cage hoisting, guide pipe lowering, bottom sealing concrete pouring, broken stone backfilling, joint box hoisting, overall concrete pouring and the like. Grooving adopts a grabbing and milling combined process and is divided into a first-stage groove section and a second-stage groove section, the first-stage groove is designed to be full-head scutching and two-cutter grooving, H-shaped steel water stop joints are arranged at the two ends of a reinforcement cage, the reinforcement cage is fully wrapped with anti-streaming slurry stop iron sheets, after the reinforcement cage is hung in sections, bottom sealing concrete is poured, broken stones are backfilled and compacted, and pouring is continued to form a wall body. The second-stage groove is designed to be in a full-closed range, three-knife grooving is conducted, and after a wall brushing device is adopted at the joint for wall brushing, remaining procedures are completed. And the first-stage groove and the second-stage groove are constructed in a sequence of a warehouse jumping method, and a continuous wall body is formed in a circulating manner. According to the process, the existing ultra-deep casing milling joint ground wall construction process is innovated, and the problems that the casing milling joint is low in concrete milling speed, poor in water stopping effect, large in reinforcement cage hoisting weight and the like are solved.

The invention relates to a plate surface paint brushing device for furniture processing and a processing method thereof. The plate surface paint brushing device effectively solves the problems that an existing paint brushing device is low in precision, cannot guarantee the paint film flatness, cannot fully and uniformly brush paint, is low in efficiency and affects the furniture quality. According to the technical scheme, the plate surface paint brushing device for furniture processing and the processing method of the plate surface paint brushing device for furniture processing have the advantages that paint with uniform thickness is brushed on the surface of a plate through a double-step type suspension scraper mechanism, the flatness of the paint surface is guaranteed, a self-adaptive curing mechanism can heat and cure the paint, the curing efficiency is improved, an air cooling mechanism can quickly cool the paint surface, and the paint surface can be quickly cooled. Cooling time consumption is reduced; and the floating type grinding mechanism can finely grind the cured paint surface and remove salient points on the paint surface, dust generated during grinding can be fully recycled by the dust collection mechanism, dust attachment on the paint surface is further reduced, so that the paint brushing quality of the plate is improved, the paint brushing efficiency of the plate can be greatly improved, and the device is more convenient to use during furniture processing.

The invention discloses a battery pack water connector automatic assembling machine and assembling method, the battery pack water connector automatic assembling machine comprises a conveying device, and the conveying device is sequentially provided with a base feeding station used for placing a base provided with a spring; the detection station is used for identifying the base and detecting whether a spring is mounted or not; a material distributing device, an oil brushing device and a moving device are arranged on the connector feeding station, the material distributing device is used for moving the two connectors to a first position and a second position correspondingly, and the oil brushing device is used for brushing oil on the clamped parts of the connectors and the base; the moving device is used for grabbing the connector to move to the oil brushing device for oil brushing and then moving and placing the connector on the base, and the rotating device is installed on the moving device. The pressing station is used for pressing the joint on the base; and the discharging station is used for discharging. Therefore, automatic assembly is achieved, the assembly precision and the assembly efficiency are improved, and meanwhile the problem that springs are prone to being omitted during manual assembly is solved.

The utility model discloses a shaft current conductive brush device and a motor. According to the utility model, the shaft current conductive brush device comprises a ring body, at least one end face of the ring body is provided with a plurality of mounting grooves arranged along the circumferential direction, and each mounting groove is provided with a first opening located on the end face of at least one side of the ring body, and a plurality of electrostatic charge clearing assemblies, the electrostatic charge removing assemblies are installed in the installation grooves along the first openings, the conductive fibers of the electrostatic charge removing assemblies extend in the radial direction towards the area formed by surrounding of the ring body, and at least part of the conductive fibers extend into the area formed by surrounding of the ring body. Compared with the prior art, the production efficiency is high, and the manufacturing process is simple.

An electronic hair brush device includes a hair brush that has a handle and a head that is disposed on the handle. A plurality of bristles is provided and each of the plurality of bristles is attached to the head of the hair brush to brush hair of a user. Each of the plurality of bristles is comprised of an electrically conductive material to conduct static electricity produced by brushing the plurality of bristles through the user's hair. A power storage unit is integrated into the handle of the hair brush and the power storage unit is in electrical communication with each of the plurality of bristles. In this way the power storage unit can store the static electricity conducted by the plurality of bristles. The power storage unit has an output which can be placed in electrical communication with an electronic device to charge the electronic device.

The invention relates to the technical field of electronic manufacturing, and discloses a circuit board printing manufacturing device which comprises a conveying belt, one end of the conveying belt is provided with a board placing device used for storing solder resist ink needing to be coated, one side of the board placing device is provided with two brushing devices, and the two brushing devices are arranged on the conveying belt. A fixing plate is arranged between the two brushing devices, the fixing plate is fixedly mounted on a fixing mounting plate of the conveying belt, a square rod is arranged between the fixing plate, one end of the square rod is rotationally connected with a gear, the other side of the gear is fixedly connected with a sliding square block, the other end of the sliding square block is slidably connected with a clamping block, and the clamping block is fixedly connected with the clamping block. One side of the clamping block communicates with an air pipe used for adsorbing a copper-clad plate, the square rod is sleeved with a torsional spring, and one end of the torsional spring is fixedly connected with the square rod. The circuit board printing and manufacturing device can fix the position of the copper-clad plate after the copper-clad plate is turned over.

An antirust paint brushing device for bearing machining, comprising a spraying assembly (1). The spraying assembly (1) comprises a box body (11) and a frame body (12). By starting a first motor (14), a lead screw (141) is driven to rotate, and one end of the lead screw (141) is inserted into one end of an adjusting block (15); by starting the first motor (14), the adjusting block (15) is driven to move up and down, and a limiting block (151) is driven to move up and down; a bearing is placed on the top of the limiting block (151); a telescopic rod (16) drives a second motor (17) at the bottom of a movable plate (161) to move up and down; and the second motor (17) drives a spray head (18) to rotate so as to spray the inner side wall of the bearing. According to the brushing device, the stability of the device is increased, and the handling of a collection box is facilitated.

The invention relates to a dust removal brush device after laser welding, the dust removal brush device comprises a bottom plate, a lifting assembly and a dust collection assembly driven by the lifting assembly are arranged on the bottom plate, the dust collection assembly comprises a dust collection cylinder, and a dust removal assembly is arranged in the dust collection cylinder; the dust removal assembly comprises a brush base rotationally arranged in the dust collection barrel and a plurality of brushes arranged on the brush base, a top extension assembly and a swing assembly driven by the top extension assembly are arranged in the dust collection barrel, the swing assembly comprises swing rods fixedly arranged on the brushes, and the dust collection assembly is used for adsorbing welding slag; the top extension assembly is used for driving the swing rod to swing in a reciprocating mode in the rotating process of the brush base, the dust removal assembly is used for driving the brush to sweep welding slag in the swinging process of the brush base through the swing assembly, the brush has the sweeping action, the welding slag is thoroughly swept, and the service life of the energy storage battery is prolonged.

The invention discloses an immersed phase change liquid cooling method for a data center server, which is characterized in that the server is immersed in a phase change cooling liquid to realize cooling, the heat dissipation side surface of the server is divided into a plurality of heat dissipation areas, the surface of each heat dissipation area is provided with a corresponding rotor brush device, and according to the temperature rise and fall of each heat dissipation area, the rotor brush device is driven by the rotor brush device to rotate. And the rotating speed of the rotor brush device in the heat dissipation area is correspondingly adjusted. According to the invention, the cooling effect on the data center server can be better improved, targeted heat dissipation and cooling treatment on a local area with uneven heating is realized, and the overall performance and efficiency of the server can be better improved.

The invention relates to the technical field of wire drawing devices, and provides an environment-friendly wire drawing device and method.The environment-friendly wire drawing device for the copper conductor comprises a wire drawing rack, a feeding rack, a wire drawing assembly, a liquid supply assembly, a feeding assembly, a recycling assembly, a discharging rack, a guiding assembly and a drying assembly; the wire drawing assembly is installed in the wire drawing rack, the liquid supply assembly is installed in the wire drawing rack and located on the upper portion of the wire drawing assembly, the feeding assembly is installed on the lower portion of the wire drawing rack, the recycling assembly is installed on the feeding assembly, the discharging rack is installed at a discharging port of the wire drawing rack, and the guiding assemblies are installed on the feeding rack and the discharging rack correspondingly. By means of the technical scheme, the problems that in the wire drawing process in the prior art, due to the fact that wire drawing lubricating liquid is used repeatedly, the wire drawing lubricating liquid is polluted, and produced products are damaged and polluted are solved.

The present disclosure relates to a self-diagnosis on a state of a cleaning system, whereby a wireless vacuum cleaner solely, or the wireless vacuum cleaner docked on a station device, may self-diagnose the state of the wireless vacuum cleaner based on at least one of a flow path pressure value of the wireless vacuum cleaner and an operation current value of a brush device, and a state of a station device is self-diagnosed based on a pressure value of the station device.

The utility model discloses a brushing device for gear machining, and relates to the technical field of gear machining. The device comprises a scrubbing box, a horizontally-arranged bottom plate is fixedly arranged in the scrubbing box, a vertically-arranged vertical plate is fixedly arranged at one end of the upper surface of the bottom plate, a horizontally-arranged first rotating shaft is rotationally arranged at the top of the vertical plate, and a plurality of containing grooves distributed at equal intervals are formed in the first rotating shaft; a scrubbing gear needing to be cleaned can be placed in the containing groove, and a vertically-arranged mounting plate is arranged at the position, located above the bottom plate, in the scrubbing box. The brush plate is rotated and the brushing gear is driven to rotate together, brushes of the brush plate can be clamped at teeth of the brushing gear, the side wall and the teeth of the brushing gear can be fully and comprehensively cleaned, the cleaning efficiency is improved, manual operation of a worker is not needed, multiple gears can be brushed at a time, and the cleaning efficiency is improved. The processing efficiency is improved.

The invention belongs to the technical field of titanium anode processing, and relates to a brushing device, a pickling device and a production process of a small-size mesh anode. The brushing device comprises a bottom frame, a supporting frame layer and a limiting frame layer which are sequentially distributed from bottom to top and are fixedly connected, wherein the limiting frame layer is used for preventing the small-size mesh anode from shaking; the support frame layer comprises a plurality of support frame welds, the size of each support frame is 0.1-1mm larger than that of the small-size mesh anode, and the side edge of each support frame is provided with a support part for supporting the small-size mesh anode; the limiting frame layer comprises a plurality of limiting frames, and each limiting frame is the same as the corresponding supporting frame in size. In the brushing and sintering processes, a plurality of small-size mesh anodes are assembled into a large mesh through the device, and the brushing efficiency is improved by dozens of times. The brushed small-size meshes can be directly sintered in a high-temperature sintering furnace through the device, so that the time is saved, and the efficiency is improved; and the small-size meshes can be in full contact with hot air, so that the sintering quality is ensured.

The invention relates to the technical field of grain depot center pipe cleaning equipment, in particular to a pole climbing machine for cleaning grain depot center pipe network hole blocking materials, which comprises a pole climbing machine and a center pipe, the pole climbing machine is arranged on the peripheral side of the center pipe, the pole climbing machine is composed of an upper frame and a lower frame, and a roller brush device is mounted at the bottom of the lower frame. The roller brush device is used for cleaning and brushing central pipe network holes in the peripheral side of the central pipe; the pole climbing machine can automatically move on the center pipe, the roller brush device is used for cleaning the outer side wall and the center mesh of the center pipe, the electric telescopic rod stretches out and draws back to achieve vertical movement of the pole climbing machine, operation is easy, manpower is saved, safety risks are avoided, potential safety hazards are solved, the cleaning efficiency is improved, and the cleaning cost is reduced; the pole climbing machine can adapt to center pipes with different diameters, the size of the pole climbing machine can be rapidly adjusted, storage in the later period is facilitated, and the occupied space is reduced.

A plug-on brush device for a toothbrush handpiece, in particular for an electrical toothbrush handpiece, with an application unit including a head section with a brush head, a plug-on section and a neck section that is arranged between the head section and the plug-on section, and with an interface accommodation unit which is configured to receive at least one interface of a toothbrush handpiece, wherein the interface accommodation unit is realized separately and the plug-on section of the application unit includes a receiving region for receiving the interface accommodation unit at least substantially completely in a loss-proof manner.

The invention discloses a grounding carbon brush device of a wind driven generator and an installation method thereof.The grounding carbon brush device comprises a power generation box, a placement box is arranged on one side of the power generation box, a rotating shaft is arranged in the power generation box in a penetrating mode, a motor shell is arranged at the bottom of the placement box, and a heat dissipation piece is arranged in the motor shell; a mounting ring is arranged in the placement box, a connecting column is arranged on one side of the mounting ring, the other side of the connecting column is fixedly connected to the power generation box, the mounting ring is connected with a supporting block, and a mounting groove is formed in the supporting block in a penetrating mode. A good working environment can be provided for the supporting block and the carbon brush, extrusion force can be continuously generated on the carbon brush through parts such as a limiting column, a limiting plate, an extrusion plate, a spring, a connecting block and a first rack, and even if the carbon brush is abraded, tight attachment of the carbon brush and the rotating shaft can be kept.

The utility model provides a floor brush device and cleaning equipment, relates to the technical field of cleaning equipment, and is used for solving the technical problem that the cleaning effect of the cleaning equipment is poor. The floor brush device comprises a floor brush body, a cleaning part and a water tank assembly, the cleaning part is connected with the floor brush body, and the water tank assembly is arranged on the floor brush body; the water tank assembly comprises a clear water cavity and a cleaning liquid cavity. The clear water cavity is provided with a clear water outlet and is configured to supply cleaning water to the cleaning part through the clear water outlet; the cleaning liquid cavity is provided with a liquid outlet, the liquid outlet is opposite to the cleaning piece, and the cleaning liquid cavity is configured to supply cleaning liquid to the cleaning piece through the liquid outlet. The cleaning device is used for improving the cleaning effect of the cleaning device, and meanwhile corrosion of cleaning liquid to the clear water cavity can be reduced.

The cultural relic protecting and cleaning device comprises a cleaning brush sleeve and a cleaning brush handle, the outer wall of the cleaning brush handle is fixedly connected with two sets of guide blocks, two sets of sliding grooves are formed in the inner wall of the cleaning brush sleeve, the positions of the two sets of sliding grooves correspond to the positions of the two sets of guide blocks, and the inner wall and the outer wall of the cleaning brush sleeve are matched in shape. And a reset mechanism for driving the clamping block to reset is mounted in the limiting groove. Through the design of sliding connection, the cleaning brush sleeve can be conveniently adjusted or replaced, the whole cleaning brush device does not need to be replaced, and the stable locking of the cleaning brush sleeve after replacement is ensured through the matching of the guide block and the sliding groove and the automatic reset mechanism of the clamping block under the action of the first spring; the problem of looseness possibly occurring in the operation process is avoided, so that the using habit of workers on the shape and weight of the cleaning brush handle is continued, and the risk that due to the fact that the workers are not familiar with new tools, operation is unstable, and cultural relics are damaged is reduced.

A low-cost photovoltaic panel cleaning robot comprises a robot body, a chassis executing mechanism, a cleaning brush device and an anti-falling mechanism, and the chassis executing mechanism takes a crawler-type mechanism as a motion executing carrier and drives a crawler belt through a large-torque coding motor so that the robot body can execute operation actions on a photovoltaic panel; the cleaning brush device comprises an industrial cleaning brush, a 3D printing supporting force arm, a driving motor, a bearing, a rubber synchronous belt and a synchronous gear and is used for effectively cleaning dust covering the surface of the photovoltaic panel on the premise that the surface of the photovoltaic panel is not damaged; and the anti-falling mechanism is arranged on the front portion of the robot body and is achieved by detecting the PWM duty ratio of a cleaning brush driving motor, and meanwhile infrared detection sensors are arranged on the tail portion, the left side and the right side of the vehicle body correspondingly and used for preventing the risk that the robot falls when running to the edge of the photovoltaic panel. The method is high in practical applicability and low in hardware cost, the photovoltaic panel cleaning efficiency can be effectively improved, and the application range is wider.

The utility model relates to the technical field of underground diaphragm wall construction, and discloses an underground diaphragm wall I-shaped steel joint scraping and brushing type multifunctional wall brushing device which comprises a joint square cylinder, and a connecting port is formed in the top of the joint square cylinder. By the adoption of the universal joint square cylinder for the rotary drilling machine, mounting and dismounting are fast and convenient, the rotary drilling machine is fast to ascend and descend, the wall brushing frequency is high, rapid wall brushing can be conducted by means of the rotary drilling machine, a drill rod of the rotary drilling machine is large in rigidity, the wall brushing device is high in wall brushing scouring force by means of the rotary drilling machine, and concrete blocks can be forcibly removed when encountering the concrete blocks; the steel wire brush is welded and fixed to the wall brushing cylinder, stability is good, rigidity is large, in addition, the bucket teeth and the steel wire brush conduct scraping and brushing alternately, thoroughness of wall brushing is well guaranteed, the wall brushing effect is good, the mode that the rotary excavating connector square cylinder is fixedly connected with the rotary excavating machine drill rod is adopted, the wall brushing device can be repeatedly used, other equipment is not needed, and the cost is low. And the mechanical input cost is saved for a project.