Refractory Gear

Prominent & Main metal press machine Manufacturer from Sundargarh, we provide impression mill crusher igm-1000, impact mill crusher igm-500, counter current intensive mixer, ccim-750 counter present intensive mixture and friction screw press. 1. A flywheel and screw press for producing ceramic articles comprising, in combination, a base having an higher surface; a fixed head; assist means supporting said mounted head in fixed place upwardly spaced from stated upper floor of mentioned base; a movable beam situated within the space between said higher floor and mentioned fixed head and being guided on mentioned assist means for movement towards and away from mentioned upper floor; mould means carried by stated base and provided with cavities open upwardly for receiving a charge of ceramic powder material, punch means carried by said movable beam and designed to cooperate with stated cavities for forming ceramic articles, a first pair of hydraulic piston means carried by said base and supplied for imparting an upwardly directed thrust to stated movable beam; a second pair of hydraulic piston means carried by said fastened head and offered for imparting a downwardly directed thrust to stated movable beam, said first and second pair of hydraulic piston means cooperating for controlling the downward stroke of mentioned movable beam for imparting to the powder in the cavities a tender pre-compression causing a primary thickness reduction of the powder mass and an appreciable expulsion of the air enclosed; a third pair of hydraulic piston means carried by stated fixed head and controlled for appearing on the movable beam and performing the primary compacting step after the delicate pre-compression; a fourth pair of elastically compressible hydraulic piston means carried by stated base and supplied with adjustable rod ends and in a position to interfere with stated movable beam when the latter is further lowered during mentioned first compacting step for impressing to said movable beam an upwardly directed thrust serving to the elastic return of the compacted powder mass to lift stated movable beam instantly after said first compacting step, allowing the expulsion of the remaining air; a flywheel disposed above stated mounted head, a screw threadedly engaged to mentioned flywheel and carried by stated fastened head; motor means supplied for alternatively imparting to said flywheel and screw rotation in a single and within the other direction for reducing and elevating stated flywheel and screw, and management means for controlling said motor means to operate stated flywheel and screw in the reducing route in due time for impacting said movable beam and performing a robust second and supreme compacting step of the powder materials instantly after the elastic return of the powder materials; and hydraulic circuit means for well timed controlling and energizing all the pairs of mentioned hydraulic piston means, mentioned hydraulic circuit means, interconnecting all the pairs of mentioned hydraulic piston means.

Thus, in accordance with the invention, there is provided a flywheel and screw press for producing ceramic articles comprising, together, a base 72 having an upper floor; a set head 71; assist means 73, seventy three supporting stated fixed head seventy one in fixed place upwardly spaced from said higher floor of mentioned base seventy two; a movable beam 3 situated within the space between said upper floor and stated mounted head seventy one and being guided on stated support means seventy three, 74 for motion toward and away from mentioned higher floor; mould means carried by said base seventy one and provided with cavities open upwardly for receiving a cost of ceramic powder materials, punch means carried by stated movable beam 3 and designed to cooperate with stated cavities for forming ceramic articles, a primary pair of hydraulic piston means 9, 9′ carried by mentioned base seventy two and supplied for imparting an upwardly directed thrust to said movable beam three; a second pair of hydraulic piston means carried by mentioned mounted head and provided for imparting a downwardly directed thrust to said movable beam three, stated first 9, 9′ and second 6, 6′ pair of hydraulic piston means cooperating for controlling the downward stroke of said movable beam 3 for imparting to the powder in the cavities a soft pre-compression causing a primary thickness discount of the powder mass and an considerable expulsion of the air enclosed; a 3rd pair of hydraulic piston means 5, 5′ carried by stated mounted head 7 and controlled for appearing on the movable beam 3 and performing the first compacting step after the delicate pre-compression; a fourth pair of elastically compressible hydraulic piston means 13, thirteen’ carried by mentioned base 72 and supplied with adjustable rod ends and capable of interfere with stated movable beam 3 when the latter is further lowered during stated first compacting step for impressing to said movable beam three an upwardly directed thrust serving to the elastic return of the compacted powder mass to lift stated movable beam 3 immediately after stated first compacting step, permitting the expulsion of the remaining air; a flywheel 7″ disposed above stated fixed heat seventy one, a screw 7′ threadedly engaged to said flywheel 7″ and carried by said mounted head 71; motor means 7 offered for alternatively imparting to said flywheel 7″ and screw 7′ rotation in one and within the different route for decreasing and elevating flywheel and screw, and control means for controlling said motor means 7 to function stated flywheel and screw within the reducing path in due time for impacting stated movable beam 3 and performing a strong second and ultimate compacting step of the powder material immediately after the elastical return of the powder material; and hydraulic circuit means for timely controlling and energizing all of the pairs of mentioned hydraulic piston means, mentioned hydraulic circuit interconnecting all the pairs of said hydraulic piston means.

The invention pertains to a screw press having a flywheel rotationally linked to the spindle by the use of a friction coupling and a spindle displaceable axially in a nut mounted in the higher cross member of the press body, wherein the flywheel has exterior toothing to a width comparable to the utmost press stroke plus the width of the driving pinion, a plurality of pinions partaking within the said toothed rim are every driven by oil-hydraulic axial piston motors or by a pair of oil-hydraulic axial piston motors and the axial piston motors along with the pinions are disposed on a platform surrounding the upper cross member of the press body. three, strains forty and 41 are consultant of the screw stroke, and contours 30, 31, 31′, 33, 34, 35, 36 and forty three are representative of the stroke of beam 3. In a high place 30 the beam three is supported by the pistons 9 and 9′ against the adjustable plunger heads 6″ and 6′” of the pistons 6 and 6′. The ability of the pistons 9 and 9′ is such that it exceeds the weight of the beam 3 and the drive of the pistons 5 and 5′. This new construction is predicated on the refractory forming characters, which is our firm developed based mostly on SD20 Sequence Electrical Screw Press for the refractory industry. Shortly earlier than the tip of the downward stroke of the spindle 9 the rotational speed of the pump 27 and therefore the rotational speed of the flywheel 17 and the spindle 9 are decreased to zero throughout the rest of the stroke of the spindle 9. When the rotational speed is lowered the 4-approach valve forty one is displaced from the remaining position to the appropriate and the road 42a is linked to a second strain-limiting valve 43. The stress which can be regulated by the stress-limiting valve forty three limits, by the use of the strain-limiting valve forty two, the strain present within the pipeline 31 to the braking strain required for braking the flywheel 17. Relating to the present urgent machines, the variety of strokes achieved between the washing phases of the moulds, is from 2 to three times as great. Since the electric motors are twice accelerated from relaxation to the required rotational velocity and braked again during every working cycle, correspondingly excessive current warmth losses are unavoidable and in addition the idle energy absorbed by the motor is disadvantageous. Experimentally, with a pressing machine in accordance with the present invention, it might be noticed that the required power for the primary urgent operation, with predetermined masses of ceramic, might be fairly low, approximately 10-12,000 kg., in opposition to the 400,000 Kg of the second pressing operations, which is sort of completely different from the current pressing machines, which require about 50 to one hundred fifty tons for the first pressing step.

4, by one axial piston motor 26. The axial piston motor 26 is fed by the oil pump 27 which is pushed by the electric motor 28. When the feed path of the pump 27 is reversed there’s additionally a change in the direction of rotation of the axial piston motor 26 which in one path of rotation effects the downward movement of the spindle 9 for the working stroke and within the different direction of rotation results the upward movement of the spindle 9 with a view to return to the starting place. Business Profile : GRD Mechanical Works is among the main Manufacturer & Supplier of All Kinds of Energy Press, Friction Screw Press, Forging Press & Machinery Parts and many extra. The time for such programs is determinable, by delaying the stress phase of the pistons 2 and 2′ by way of the valves fifty five and 56. The flywheel and screw are movable from an higher place and a decrease place, the latter being the place wherein the second compacting step is performed, the area from the upper and the decrease place being such that the flywheel and the screw must rotate at a couple of turn for shifting from one to the opposite position. It is part of the enterprise transformation of the scene graph, Disadvantage of Friction Disk Screw Press: Lengthy transmission chain and high energy loss. With the intention to cut back the structural expenditure and to increase the operational reliability, every axial piston motor or pair of axial piston motors related to a pinion has associated with it on the platform a controllable pump which is driven by a respective electrical motor and is reversible with respect to the movement course. button operation to finish the fire bricks producing;no radial pressure. Friction Screw Press(handbook Double Disc Forging Press) , Discover Full Details about Friction Screw Press(manual Double Disc Forging Press),Friction Screw Press,Friction Forging Press,Manual Press from Metallic Forging Machinery Provider or Producer-Zhengzhou Timeway Machine Software Co., Ltd. The step represented by line 31′ is the continuation of the down movement of the beam 3 after the conclusion of the phase 31 of the braking, is the urgent until meeting the equilibrium point between the strain applied and the reaction drive of the mass then pressed (at level 37). The forging forces don’t act on the machine body but are sustained by the Ram. A pressostat 18 calibrated at ninety atmosphere, energizes a valve 20 which feeds a multiplier 21 taking the mandatory stress to the oil, with this pressure being predetermined via a pressostat 19.

In accordance with the invention, there may be offered a flywheel and screw press for producing ceramic articles comprising, together, a base having an upper surface, a set head, assist means supporting the fixed head in fastened place upwardly spaced from the upper floor of the base, a movable beam positioned within the space between the upper floor and the mounted head and being guided on assist means for motion towards and away from the upper surface, mould means carried by the base and supplied with cavities open upwardly for receiving a charge of ceramic powder materials, punch means carried by the movable beam and designed to cooperate with the cavities for forming ceramic articles, a primary pair of hydraulic piston means carried by the bottom and supplied for imparting an upwardly directed thrust to the movable beam, a second pair of hydraulic piston means carried by the fixed head and provided for imparting a downwardly directed thrust to the movable beam, the primary pair and the second pair of hydraulic piston means cooperating for controlling the downward stroke of the movable beam for imparting to the powder within the cavities a smooth precompression inflicting a primary thickness discount of the powder mass and an considerable expulsion of the air enclosed therein, a 3rd pair of hydraulic piston means carried by the fixed head and controlled for performing on the movable beam and performing the primary compacting step after the soft precompression, a fourth pair of elastically compressible hydraulic piston means carried by the bottom and provided with adjustable rod ends and capable of intrude with the movable beam when the latter is further lowered during the first compacting step for impressing to the movable beam an upwardly directed thrust helping the elastic return of the compacted powder mass to boost the movable beam immediately after the primary compacting step, permitting the expulsion of the remaining air, a flywheel disposed above the fixed head, a screw threadably engaged to the flywheel and carried by the mounted head, motor means supplied for alternatively imparting to the flywheel and the screw rotation in one and in the other course for reducing and elevating the flywheel and screw, and control means for controlling the motor means to function the flywheel and screw within the decreasing course in due time for impacting the movable beam and performing a strong second and ultimate compacting step of the powder materials instantly after the elastic return of the powder material, and hydraulic circuit means for timely controlling and driving all of the pairs of the hydraulic piston means, the hydraulic circuit means interconnecting all of the pairs of the hydraulic piston means.

The torque to be applied necessitates correspondingly massive and heavy motors which, aside from the truth that they have an unfavorable ratio of torque to moment of inertia, lead to the structural disadvantage that the spindle along with the flywheel and toothed rim must be mounted axially non-displaceably in the higher cross member of the press frame and the spindle nut must be mounted within the slide of the press, and this ends in unfavorable publicity of the spindle to stress and torsion. The inclined portion 34 represents the second compression given by the motion of the pistons 2 and a couple of’, or the effect of the oil strain of the oil coming into via the valve fifty five, commanded by the pilot 56 which is driven by a sign perform dependent on the position of the beam three in the course of the down movement. The advantage of static pressure type press machine is its static stress screw-nuts and the static strain bearing. All of the technical indicators and efficiency of the EPC-D electrical screw press produced by Qingdao Wantai Machine Device Know-how Co. Ltd. No. three,359,608, a primary and second compacting step had been performed by a screw spindle, in order that a lot of the urgent cycle time was consumed by the displacement of the screw spindle. 164 friction screw press machine products are provided for sale by suppliers on , of which punching machines accounts for 19%, hydraulic press accounts for 4%, and filter press equipment accounts for 1%. A wide variety of friction screw press machine options are available to you, There are 149 suppliers who sells friction screw press machine on , mainly located in Asia. three. The pinions 23 are mounted in bearing blocks 24 which are supported by a platform 25 which surrounds the upper cross member 3 of the press frame 1. Each pinion 23 is pushed by two axial piston motors, an axial piston motor 26o disposed above the pinion and an axial piston motor 26u disposed beneath the pinion 23. The width of the toothed rim 22 is such that in the course of the full stroke of the spindle 9 executed by the toothed rim 22 the pinions 23 are always in full engagement with the external toothing of the rim 22. Subsidy Mortgage Well as Screw Press forgingMachine Loan accessible on all sort of Industrial Tasks. 2, line 100 signifies the path of the beam three and the road one zero one the paths of the screw 7′ through the step of putting the press 70 into operation. 7 presses the final discharge line fifty one of the hydraulic circuit. Screw presses, which are preferably used as drop-forging machines on account of their design benefits, are restricted of their affect force by friction wheel drive (friction screw presses), and therefore screw presses with an impression power of from forty MN (Meganewtons) are steadily supplied, and screw presses with an impact of from eighty MN are usually supplied, with a gearwheel drive, for which objective the flywheel has external toothing and has motor-pushed pinions partaking in its toothed rim.

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