38 results about "Kilogram-force" patented technology

The invention discloses a ceramic grid enhanced metal matrix composite perform and a preparation method thereof. The preparation method comprises the following steps of: uniformly mixing ceramic particles with the particle sizes of 8-30 meshes and self-fluxing alloy powder in polyvinyl alcohol to obtain a mixture; filling the mixture in a grid cavity, prepressing for preparing ceramic grids, filling the self-fluxing alloy powder into grid holes after the grids leave from a mold, wherein the monolithic material is pressed with 100-300 kilogram force, molding and demolding, placing and drying a biscuit and a mold cavity bottom plate in a 150 DEG C drying oven for 2 hours; placing the dried biscuit and the mold cavity bottom plate in a vacuum furnace, sintering for 30-90 minutes under the conditions that the temperature is 1000-1300 DEG C, and the vacuum degree is 0.1 Pa, and cooling and discharging to obtain the ceramic grid enhanced metal matrix composite perform. The ceramic grid enhanced metal matrix composite perform prepared by the method has the advantages of high density, uniform distribution of ceramic particles, good wear resistance and high grinding efficiency.

Disclosed herein is a method comprising injecting into a thin wall disposable core die (100) a slurry having a viscosity of about 1 to about 1,000 Pascal-seconds at room temperature when tested at a shear rate of up to 70 seconds<-1> and a flow index of less than 0.6 at a pressure of up to about 7 kilograms-force per square centimeter; wherein the thin wall disposable core die (100) has an average wall thickness of about 1.5 to about 10 millimeters; curing the slurry to form a cured ceramic core; removing the thin wall disposable core die (100) from the cured ceramic core (90); and firing the cured ceramic core to form a solidified ceramic core (90).

The disclosed embodiments relate to the manufacture of a battery cell. The battery cell includes a set of layers including a cathode with an active coating, a separator, and an anode with an active coating. The battery cell also includes a pouch enclosing the layers, wherein the pouch is flexible. The layers may be wound to create a jelly roll prior to sealing the layers in the flexible pouch. The stiffness of the battery cell may be increased by applying a pressure of at least 0.13 kilogram-force (kgf) per square millimeter and a temperature of about 85° C. to the layers.

In an embodiment of the present invention, a renewable energy fuel is prepared by a process including the steps of: a) providing a renewable energy feedstock; b) providing an alcohol; c) providing a catalyst; d) mixing (a), (b), and (c) to form a blend; and e) homogenizing the blend at a pressure greater than 400 kilogram-force per square centimeter (Kg/cm2).

The invention provides a flexible mounting vehicle for an aircraft sliding rail and a sliding rail positioning and mounting method. The flexible sliding rail mounting vehicle comprises a frame, wheels, a handle, a guide rail slide block, a lifting mechanism, a lifting platform, a sliding rail surface attitude-adjusting positioning mechanism, a sliding rail intersection attitude-adjusting positioning mechanism, a sliding rail surface bracket, a sliding rail intersection positioning seat and an intersection positioning pin. The mounting vehicle is a sliding rail mounting vehicle with three adjustable degrees of freedom and great enough adjusting travel, the whole mounting vehicle is about 200kg heavy and can be pushed by manual labor of 15 kilogram force, the mounting vehicle wheel set is braked at the sliding rail assembling position, the adjusting mechanism in different directions can be adjusted according to the mounting height and inclination degree of different sliding rails, and the mounting function of a sliding rail mounting vehicle applicable to multiple sliding rails is realized.

A pressure type liquid quick heater comprises a water feeding tube, a water draining tube and a heating tube, wherein the heating tube is a coating type electric heating glass tube, and is arranged in a shell of a heating element; electrode clamps at two ends of the heating tube extend out from electrode grooves of inner end caps; the water feeding tube is communicated with a preheating tube through a silica gel sealing ring; the outer wall of the preheating tube is in contact with the shell of the heating element; the preheating tube is communicated with the heating tube via the silica gel sealing ring and the lower end cap; and the top of the heating tube is communicated with the water draining tube via an upper end cap. By using the pressure type liquid quick heater, a heating element subassembly can work under the pressure condition that the water pressure is 7-15 kilogram force, can bear the test of pressure of 40 kilogram force, can be quickly assembled or disassembled, and is convenient to mount and replace. Double temperature controllers are arranged on the shell of the heating element, abnormal temperature rising of the heating tube can be rapidly detected, the power supply can be automatically cut off, and abnormal dry burning of the heating tube is prevented.

The present invention relates to the technical field of switch machine manufacturing, in particular to a guide-rail piston rack for an electro-hydraulic switch machine, which includes a rack body. Both sides of the rack body are respectively provided with V groove, the lower part of the rack body is provided with an inclined surface, the rack body is slidingly fitted with the inner wall of the oil cylinder seat, and the inner wall of the oil cylinder seat corresponds to the V-shaped groove and the inclined surface. A groove, steel balls are arranged in the groove. The guide rail type piston rack used in the oil cylinder of the present invention changes the previous sliding friction into rolling friction. The friction force is also relatively reduced, the driving power is reduced, and the wear is reduced. The calculated maximum load capacity can reach 300 kg force, which reduces the starting pressure of the oil cylinder, improves the mechanical efficiency and ensures the service life of the oil cylinder.

The invention relates to an alginate wound dressing as well as a manufacture method and a manufacture device of the alginate wound dressing. The wound dressing comprises a first fiber layer and a second fiber layer, wherein the first fiber layer consists of a plurality of mutually bonded first fibers, the second fiber layer consists of a plurality of mutually bonded second fibers, and the first fibers and the second fibers are made of alginate. The first fibers are parallel and extends in a direction approximately parallel to the first direction, the second fibers are parallel and extends in a direction approximately parallel to the second direction, the first direction is not parallel to the second direction, the second fiber layer is stacked on the first fiber layer, and in addition, the second fibers are bonded with the first fibers. The length of the first fibers and the second fibers is proper, so the fracture strength of the wound dressing is greater than about 1.5 kilogram force.

The invention relates to a technology for cold rolling extrusion teeth of a cylindrical end face. The technology comprises the following steps that 1 a rolling tool is prepared, wherein the rolling tool is a hollow circular truncated cone adopting alloy steel as materials, and the outer surface of the rolling tool is provided with rack-shaped blades; 2 a to-be-machined workpiece is fixed in a fixture of a lathe, the rolling tool is inserted in a tool bar in a penetrating mode, and the tool bar is fixed on a carriage; 3 a machine tool is started, the revolving speed of the fixture is regulated to be at 1000 r to 1800 r, the carriage provided with the rolling tool is pushed to the direction of the end face of the workpiece to enable the outer surface of the rolling tool to make contact with the end face of the workpiece, and the rolling tool makes contact with the end face of the workpiece for three to five seconds under the environment of 30-kilogram force; 4 the carriage is loosened, the workpiece is taken down, the machine tool is switched off, the whole process is over, and machining of a small tooth face of the end face of the workpiece is completed. According to the technology for cold rolling extrusion teeth of the cylindrical end face, automation is achieved in the whole process, the defect that a traditional technology has to perform machining through mechanical equipment machining such as planing equipment and milling equipment is overcome, machining investment is small, and efficiency is high.

The invention relates to the field of urban municipal drainage, in particular to an automatically dredging device of preventing a perforated strainer of an underground well from blocking. The device comprises a scraping rod, the scraping rod is movably arranged on the perforated strainer of the underground well, the scraping rod is connected to a driving device through a driving rod, the driving device drives the scraping rod to make straight reciprocating motions on the perforated strainer of the underground well, the output force of the scraping rod is no more than 10 kilogram force, when water current enters the underground well, the driving device drives the scraping rod to move, and when no water current enters the underground well, the driving device is in a quiescent state. According to the automatically dredging device of preventing the perforated strainer of the underground well from blocking, the structure is simple, the scraping rod is in the quiescent state when there is no rainwater, the driving device is used for driving the scraping rod to move when there is rain, so that leaves and municipal waste on the perforated strainer of the underground well are scraped and pushed away without intermittence and then the rainwater successfully flows into the underground well, therefore, the condition of water logging of a road is prevented; in addition, due to the fact that the output force of the scraping rod is no more than 10 kilogram force, the scraping rod has no potential safety hazards towards vehicles and pedestrians.

The invention provides an expansion pipe necking method. A workpiece is hit by a die to form an inwards overturned and necked expansion pipe, the workpiece is heated, thereby being softened, and forceof each time of hitting is smaller than 100 kilogram force. The end of the expansion pipe is heated and softened and then is hit by the die, when hitting force is larger than 100 kilogram force, theexpansion pipe is liable to be twisted, when force is too small, machining efficiency of an inner necked opening of the expansion pipe is too low, meanwhile the second time of plastic deformation canbe conducted on the expansion pipe, the density of the end of the expansion pipe can be improved, connection strength between the expansion pipe and the inner necked opening and structural strength ofthe inner necked opening are improved effectively, connection strength of the expansion pipe and an outer connector can be improved conveniently, the expansion pipe is rotated while the inner neckedopening is machined, the thickening uniformity of the inner necked opening can be improved conveniently, attractiveness of the end of the inner necked opening of the expansion pipe is achieved conveniently, and machining quality can be improved conveniently.

The invention relates to a strong bonding type ceramic tile laying method with high safety, and belongs to the technical field of refined decoration of the building industry. According to the technical scheme, the strong bonding type ceramic tile laying method with high safety comprises the following steps that S1, a spraying gun is used for spraying the wall face to wash out a demolding agent, the pressure of the spraying gun is 15 to 20 kilogram force, and the wall is washed into a rough surface; S2, after two to three hours of finishing the operation that the wall is washed into the rough surface, an interface agent is brushed to the wall in a coating manner, and the brush coating thickness is 1 to 2 mm; S3, after the wall is smeared with the bonding layer, the bonding layer is formed through mixing of cement, mortar and building glue according to the proportion of 1:3:0.5, and the thickness of the bonding layer is 2 to 4 mm; S4, tile pasting is carried out, according to the large master drawing and the wall size, transverse and vertical tile arranging is carried out, uniformity of gaps between the adjacent tiles can be ensured, and the design drawing needs are met; S5, pointingtreatment is carried out, horizontal pointing is carried out, then vertical pointing is carried out, the slot width is controlled to 6 to 8 mm, and the effect of improving the bonding firmness between the tiles and the wall is achieved.

The invention relates to an environmental anti-compression material and a preparation method thereof. Raw materials comprise the following ingredients (by weight): 40-50 parts of polyethylene, 5-10 parts of titanium alloy powder, 2-5 parts of 2,4-dimethyl-6-tert-butyl phenol, 10-15 parts of ceramic fiber, 6-10 parts of polyvinyl alcohol, 5-8 parts of styrene butadiene rubber, 3-5 parts of carbon black, 2-5 parts of polyoxyethylene polyoxypropylene polyether, 3-6 parts of fatty alcohol polyoxyethylene ether, 30-40 parts of deionized water, and 10-20 parts of argon. The material is easily available, has no odor or toxicity, has excellent low temperature resistance, good chemical stability, corrosion resistance, good mechanical property and high self-lubricating degree, has good electrical insulating property and water resistance, has strong antioxidant capacity, and has longer service life, high tensile strength and strong impact resistance. The tensile strength can reach 250-280 kilogram force/square centimeter.

An anti-explosion pressure relief device of a cement brick making kiln comprises a pressure relief opening and a pressure relief door, the pressure relief opening is formed in the back of a kiln body and connected with the pressure relief door, a protecting layer wrapping the inner edge of the pressure relief door fits the pressure relief opening in size, and borne kiln chamber thrust is not more than three kilogram force. The anti-explosion pressure relief device of the cement brick making kiln is simple in structure, low in cost and capable of guaranteeing timely pressure relief of the cement brick making kiln under unexpected conditions, so that the service life of equipment is prolonged and personnel safety is guaranteed.