36results about How to "Reduce rolling times" patented technology

The invention discloses a rolling formation method of a large and medium titanium alloy solid disc-shaped forge piece , which comprises the following steps of: upsetting, compressing and punching a titanium alloy rod material into a solid disc blank; putting the disc blank into a rolling machine to roll; rolling the disc blank for 20s and axially rolling the hollow disc blank under an axial rolling force of 4000-4900KN at an axial feeding speed of 1.8mm / s to widen the hollow disc blank at a speed of 10-12mm / s; rolling the disc blank for 20-40s and axially rolling the hollow disc blank under an axial rolling force of 3000-3500KN at an axial feeding speed of 0.8mm / s to widen the hollow disc blank at a speed of 8-10mm / s; rolling the disc blank for 40-70s and axially rolling the solid disc blank under an axial rolling force of 2500-3000KN at an axial feeding speed of 0.5mm / s to widen the hollow disc blank at a speed of 5-8mm / s; and carrying out fire rolling to prepare the solid disc-shaped forge piece. The method is mainly used for rolling disc-shaped forge pieces with excellent shapes, sizes, textures and performances.

The invention discloses a roll forming method of large and medium-size structural steel hollow disk-shaped forgings, comprising the following steps of: firstly preparing structural steel bar stocks into hollow disk blanks through upsetting, profiling and punching, and then feeding the disk blanks into a rolling mill for rolling; broadening the disk blanks at the speed of 5-12 mm / s under the axial rolling force of 4500 kN-4900 kN within the rolling time of 60s and at the axial feeding speed of 1.5 mm / s; broadening the disk blanks at the speed of 3-10 mm / s under the axial rolling force of 3000 kN-3900 kN and the radial rolling force of 3500 kN-4000 kN within the rolling time of 60s-100s and at the axial feeding speed of 1.2 mm / s; and broadening the disk blanks at the speed of 2-6 mm / s under the axial rolling force of 200 kN-3000 kN and the radial rolling force of 2500 kN-3000 kN within the rolling time of 100-120s and at the axial feeding time of 0.8 mm / s, and then rolling the disk blanks into the hollow disk-shaped forgings under fire. The method is mainly used for rolling the disk-shaped forgings with excellent shapes, sizes, tissues and properties.

The invention relates to a method for preparing a high-flatness wide pure-molybdenum metal plate. The method comprises the following steps of placing pure-molybdenum metal powder into a roller mill, and rolling-milling the pure-molybdenum metal powder to obtain a green body with a thickness of 0.5 to 1.4mm and a width of 120 to 160mm; placing the obtained pure-molybdenum metal plate green body into a high-temperature furnace, sintering the pure-molybdenum metal plate green body for 1 to 3 hours, and cooling and discharging the pure-molybdenum metal plate blank out of the high-temperature furnace; rolling-milling the pure-molybdenum metal plate blank preheated to required temperature for many times by using a roller mill; when the thickness deformation of the pure-molybdenum metal plate blank in the previous step reaches 20 to 40 percent, keeping the rolled plate at the temperature of 900 to 1,300 DEG C for 1 to 3 hours, and cooling and discharging the rolled plate out of the furnace; repeating the former two steps until the pure-molybdenum metal plate is rolled-milled to the thickness of about 0.5mm, placing the obtained pure-molybdenum metal plate into a four-roller mill, and rolling-milling the pure-molybdenum metal plate to the thickness of about 0.25mm; placing two pure-molybdenum metal plates with the thickness of 0.25mm into the four-roller mill in an overlaying way, and rolling-milling the pure-molybdenum metal plates to the thickness of less than 0.15mm. According to the method, procedures are simplified, the energy consumption is lowered, the consumption is lowered, the cost is reduced, and green production can be ensured.

The invention provides anti-rust heat-resistant deformed steel and a processing technology thereof. The deformed steel comprises a base material, a heat-resistant layer and an anti-rust layer; the base material comprises the following chemical components in percentage by mass: 0.2 to 1 percent of carbon, 2 to 3 percent of silicon, 8.2 to 10 percent of tungsten, 2 to 6 percent of molybdenum, 20 to 45 percent of chromium, 0.1 to 0.2 percent of cobalt, 0.5 to 1 percent of manganese, 0.2 to 0.6 percent of vanadium and the balance of iron; the processing technology of the base material comprises the steps of cleaning, dephosphorization, rolling, controlled cooling and straightening; specifically, a steel billet is placed in a cleaning solution, subjected to ultrasonic cleaning and drying and then heated to 1000-1200 DEG C in a furnace, the steel billet is discharged out of the furnace, cooled and then descaled through high-pressure water of 15-25 MPa, the steel billet is sent to a two-roller reversible rolling mill to be roughly rolled, then a universal continuous rolling unit is adopted for continuous rolling, controlled cooling and straightening, and the base material is obtained; the base material is subjected to sand blasting treatment, the surface of the base material is coated with the epoxy micaceous iron oxide intermediate paint, and then the epoxy micaceous iron oxide intermediate paint is coated with the anti-rust coating to serve as an anti-rust layer; and the antirust layer is coated with a heat-resistant coating as a heat-resistant layer.

The invention discloses a rolling formation method of a large and medium titanium alloy solid disc-shaped forge piece , which comprises the following steps of: upsetting, compressing and punching a titanium alloy rod material into a solid disc blank; putting the disc blank into a rolling machine to roll; rolling the disc blank for 20s and axially rolling the hollow disc blank under an axial rolling force of 4000-4900KN at an axial feeding speed of 1.8mm / s to widen the hollow disc blank at a speed of 10-12mm / s; rolling the disc blank for 20-40s and axially rolling the hollow disc blank under an axial rolling force of 3000-3500KN at an axial feeding speed of 0.8mm / s to widen the hollow disc blank at a speed of 8-10mm / s; rolling the disc blank for 40-70s and axially rolling the solid disc blank under an axial rolling force of 2500-3000KN at an axial feeding speed of 0.5mm / s to widen the hollow disc blank at a speed of 5-8mm / s; and carrying out fire rolling to prepare the solid disc-shaped forge piece. The method is mainly used for rolling disc-shaped forge pieces with excellent shapes, sizes, textures and performances.

The invention relates a PS version aluminum base material heat rolling, then heat rough rolling then fine rolling, with previous rolling temperature starting from 470deg.C to 360-380deg.C finally after 11 times rolling, till 230-250deg.C after 4 times fine rolling. The aluminum base thermal rolling process is even in distribution and evasive, with electrolytic corrosion obviously better than that of traditional one.

The invention relates to a method for preparing a high-flatness tungsten-nickel-iron alloy plate. The method comprises the following steps of pressing granulated and dried tungsten-nickel-iron alloy powder, and rolling the tungsten-nickel-iron alloy powder to obtain a tungsten-nickel-iron alloy green body with a thickness of 0.5 to 1.8mm and uniform density; placing the obtained tungsten-nickel-iron alloy green body into a sintering furnace, sintering the tungsten-nickel-iron alloy green body under the protection of hydrogen, and cold-rolling the sintered tungsten-nickel-iron alloy green body until the deformation reaches 40 percent; re-sintering the cold-rolled tungsten-nickel-iron alloy green body for 1 to 3 hours at the re-sintering temperature of 1,100 to 1,300 DEG C under the protection of hydrogen; repeating the former two steps until the thickness of the green body is smaller than 0.4mm; overlaying two tungsten-nickel-iron alloy plates with the thickness of 0.15mm, and rolling-milling the tungsten-nickel-iron alloy plates for about 25 times under the pressure of about 15T until the thickness of a single plate is less than 0.1mm. According to the method, a production process is simplified, the energy consumption is lowered, the production cost is reduced, and green production is ensured.

The invention discloses a rolling formation method of a large and medium hollow titanium alloy disc-shaped forge piece , which comprises the following steps of: upsetting, compressing and punching a titanium alloy rod material into a hollow disc blank; putting the disc blank into a rolling machine to roll; rolling the disc blank for 20s and axially rolling the hollow disc blank under 4000-4900KN of an axial rolling force at an axial feeding speed of 1.6mm / s to widen the hollow disc blank at a speed of 10-12mm / s; rolling the disc blank for 20-40s and axially rolling the hollow disc blank underan axial rolling force of 3000-3500KN and a radial rolling force of 3000-4000KN at an axial feeding speed of 0.8mm / s to widen the hollow disc blank at a speed of 8-10mm / s; rolling the disc blank for 40-70s and axially rolling the hollow disc blank under an axial rolling force of2500-3000KN and a radial rolling force of 2000-3000KN at an axial feeding speed of 0.5mm / s to widen the hollow disc blank at a speed of 5-8mm / s; and carrying out fire rolling to prepare the hollow disc-shaped forge piece. The method is mainly used for rolling disc-shaped forge pieces with excellent shapes, sizes, textures and performances.

The invention discloses a production method of an industrially pure titanium plate, which comprises: (1) heating a titanium material body, descaling and at least one rough rolling to obtain a titanium plate body; The rolling mill is used to carry out 5-6 passes of finishing rolling on the titanium plate body to obtain a titanium plate; (3) the titanium plate is cooled to obtain a finished product of industrial pure titanium plate. Adopting the production method of the present invention can reduce the number of rolling times of the titanium plate, increase the reduction rate of each pass, refine the crystal grains, and improve the performance of the titanium plate; at the same time, reducing the number of rolling times also reduces the fuel consumption and cooling of the rolling process. water, etc., reducing rolling costs.

The invention discloses a roll forming method of a large and medium structural steel solid disk forging, which comprises the following steps of: firstly upsetting structural steel bar materials, profiling into a solid disk blank; and rolling the disk blank in a rolling machine. When rolling within 60s, expanding the disk blank at a speed of 5-12mm / s under a 4500-4900KN axial rolling force with anaxial feed speed of 1.5mm / s; when rolling in the time range of 60-100s, expanding the disk blank at a speed of 3-10mm / s under a 3000-3900KN axial rolling force with an axial feed speed of 1.2mm / s; and when rolling in the time range of 100-120s, expanding the disk blank at a speed of 2-6mm / s under a 2000-3000KN axial rolling force with an axial feed speed of 0.8mm / s, and finally rolling into the solid disk forging on one-grade fire. The method is mainly used for rolling the disk forging with excellent shape, dimension, organization and performance.

The invention relates to a method for producing aluminum-back paste with low printing wet weight. The method comprises the following basic steps of S1, preparing wet dispersant solutions, S2, mixing solid powder, S3, preprocessing powder mixtures, S4, preparing organic carriers, S5, carrying out mixing, and S6 carrying out grinding. Compared with the prior art, the method for producing the aluminum-back paste can spray the wet dispersant solutions in an atomizing method, so that fewer wet dispersants can be used for evenly wetting the surfaces of aluminum powder, glass powder and the like, the wetting property of the aluminum powder, the glass powder and the like is improved, fluidity of the glass powder, especially the aluminum powder is enhanced under the low printing wet weight condition, generation of aluminum bracts under the low printing wet weight condition can be effectively avoided, and therefore low printing wet weight is achieved. The producing method is good in wetting effect, meanwhile, the number of times of rolling the paste is reduced to 3-4 from conventional 5-10, production efficiency is improved, and the using quantity of the wet dispersants is reduced.

The invention discloses a rolling forming method of a large and medium-sized high-temperature alloy solid disk-shaped forging. Firstly, the high-temperature alloy bar is upset and pressed into a solid disk blank, and then the disk blank is put into a rolling machine for rolling. Within 20s of rolling, the disk blank is widened at a speed of 9mm / s~11mm / s at an axial feed rate of 1.6mm / s and an axial rolling force of 4000~4900KN; within 20~40s of rolling, With an axial feed speed of 0.7mm / s and an axial rolling force of 3000-3500KN, the disk blank is widened at a speed of 7mm / s-9mm / s; The axial feed speed is 2500-3000KN under the axial rolling force of 2500-3000KN, so that the disk blank is widened at a speed of 4mm / s-7mm / s, and rolled into a solid disk-shaped forging. This method is mainly used for rolling disc-shaped forgings with excellent shape, size, structure and performance.

The invention discloses a rolling formation method of a large and medium high-temperature alloy hollow disc-shaped forge piece, which comprises the following steps of: upsetting, compressing and punching a high-temperature alloy rod material into a hollow disc blank; putting the disc blank into a rolling machine to roll; rolling the disc blank for 20s to enable the disc blank to widen at a speed of 9-11mm / s under 4000-4900KN of an axial rolling force at an axial feeding speed of 1.6mm / s; rolling the disc blank for 20-40s to enable the disc blank to widen at a speed of 7-9mm / s under 3000-3500KN of an axial rolling force and 3000-4000KN of a radial rolling force at an axial feeding speed of 0.7mm / s; rolling the disc blank for 40-80s to enable the disc blank to widen at a speed of 4-7mm / s under an axial rolling force of 2500-3000KN and a radial rolling force of 2000-3000KN at an axial feeding speed of 0.5mm / s; and carrying out fire rolling to prepare the hollow disc-shaped forge piece. The method is mainly used for rolling disc-shaped forge pieces with excellent shapes, sizes, textures and performances.

The invention discloses a method for rolling and forming a hollow disk-shaped forging of large and medium-sized structural steel. Firstly, the structural steel bar is subjected to upsetting, pressing, and punching to form a hollow disk blank, and then the disk blank is put into a rolling machine for rolling. system. Within 60s of rolling, the disk blank is widened at a speed of 5mm / s~12mm / s with an axial feed rate of 1.5mm / s and an axial rolling force of 4500KN~4900KN; within 60s~100s of rolling, With an axial feed rate of 1.2mm / s, under an axial rolling force of 3000KN~3900KN and a radial rolling force of 3500KN~4000KN, the disk blank is widened at a speed of 3mm / s~10mm / s; rolling Within 100s ~ 120s, with the axial feed speed of 0.8mm / s, under the axial rolling force of 2000KN ~ 3000KN and the radial rolling force of 2500KN ~ 3000KN, the disk blank is fed at a speed of 2mm / s ~ 6mm / s Speed ​​widening, one-fire rolling into a hollow disc forging. This method is mainly used for rolling disc-shaped forgings with excellent shape, size, structure and performance.

The invention discloses a rolling formation method of a large and medium stainless steel hollow disc-shaped forge piece , which comprises the following steps of: upsetting, compressing and punching a stainless steel rod material into a hollow disc blank; putting the disc blank into a rolling machine to roll; rolling the disc blank for 20s to enable the disc blank to widen at a speed of 10-15mm / s under 4000-4900KN of an axial rolling force at an axial feeding speed of 2mm / s; rolling the disc blank for 20-40s to enable the disc blank to widen at a speed of 8-12mm / s under 3000-3500KN of an axialrolling force and 3000-4000KN of a radial rolling force at an axial feeding speed of 1mm / s; rolling the disc blank for 40-60s to enable the disc blank to widen at a speed of 5-8mm / s under 2500-3000KNof an axial rolling force and 2000-3000KN of a radial rolling force at an axial feeding speed of 0.5mm / s; and carrying out fire rolling to prepare the hollow disc-shaped forge piece. The method is mainly used for rolling disc-shaped forge pieces with excellent shapes, sizes, textures and performances.