hydraulic cylinder calculation formula

hydraulic cylinder calculation formula

hydraulic cylinder calculation formula

hydraulic cylinder calculation formula

  • hydraulic cylinder calculation formula

  • hydraulic cylinder calculation formula

    hydraulic cylinder calculation formula

    With the development of industry and the progress of hydraulic technology, the hydraulic press is used more and more widely in industrial production. 2022 Cross Company. Contact a Cross pneumatic expert for more information or to see how Cross can help your operation! Check the travel switch of movable beam, check whether the action is sensitive and reliable. Then install the large flange and ensure the distance between the flange end face and the upper plane of the slider is 5mm. 3. The working oil should be replaced once a year, and the first time replacement should not exceed three months. In order to make it more easily, we make following hydraulic press tonnage calculator: Through this formula, we can easily calculate the tonnage of the hydraulic press we purchased or we needed, and avoid buying equipment with low tonnage at the high price. 3. Formula/Conversion Table . 2 seconds. And it also suitable for metal powder products forming. Some fields include notes or additional information which will appear if you place your mouse pointer on the field. Generally speaking, the punching machine has a simple structure, fast production speed and high efficiency. 3. 2022 Reproduction without explicit permission is prohibited. The overflow valve is used to adjust the limited pressure of the system and also acts as a safe overflow. When an hydraulic brake is applied fluid is required to move through the pipes. Besides, it contains little oil and is not easy to burn. Take a look at a gearbox parts diagram to see how many items are held on the main shaft. In addition to our catalog of products custom manufactured to your specifications, we also offer an extensive library of industry resources to get you back to work as soon as possible: Contact us today to learn more about calculating hydraulic cylinder force or how Aggressive Hydraulics can support your operations. R depends on the dimensions of the conductor and also on the material of the conductor. However its performance in the transitional domain overestimates the friction factor by a substantial margin. Brake Fluid Volume Requirements. ft. 1 gm = 1000 mg 1 hour = 60 min Reduce the number of parts and molds and lower the cost of molds. It is useful to present head loss per length of pipe (dimensionless): Therefore, the DarcyWeisbach equation can also be written in terms of head loss:[6], The relationship between mean flow velocity and volumetric flow rate Q is. Get 247 customer support help when you place a homework help service order with us. Adopt electric control, with job motion and semi-automatic cycle, can protect the time of pressure delay, and have good sliding block direction, easy operation, easy maintenance, economic durability. Initially, data on the variation of fD with velocity was lacking, so the DarcyWeisbach equation was outperformed at first by the empirical Prony equation in many cases. = 3 ft. 1 cu. In fluid dynamics, the DarcyWeisbach equation is an empirical equation that relates the head loss, or pressure loss, due to friction along a given length of pipe to the average velocity of the fluid flow for an incompressible fluid. hbbd```b``"VHFg f`2 L^F m)X/0L We will guide you on how to place your essay help, proofreading and editing your draft fixing the grammar, spelling, or formatting of your paper easily and cheaply. Hydraulic press drawing refers to positioning the blanking part in the mold when the hydraulic press is in the process of drawing, the blanking ring controls the flow of metal to form the hollow workpiece. Were looking through thousands of pages to find the most relevant information. Compared with the traditional stamping process, the hydroforming process has obvious technical and economic advantages over reduce weight, reduce the number of parts and mold quantity, improve the rigidity and strength, reduce the production cost etc. Do not use if an overload or exceed the maximum eccentricity. There are three broad regimes of fluid flow encountered in these data: laminar, critical, and turbulent. The acceleration of gravity g and the kinematic viscosity of the fluid are known, as are the diameter of the pipe D and its roughness height . Mean effective pressure (MEP) is defined by the location measurement and method of calculation, some commonly used MEPs are given here. Whether you are a manufacturer or user of a hydraulic press, it is important to know how to calculate hydraulic press tonnage. Therefore. This is a common problem in hydraulic design. Afzal, Noor (2013) "Roughness effects of commercial steel pipe in turbulent flow: The four pillar hydraulic press is suitable for pressing the plastic material, like powder products forming, plastic products forming, cold (hot) extrusion metal forming, sheet drawing, transverse pressing, bending, penetration, and correction processes. Hollow structural parts with circular, rectangular or special-shaped sections changing along the axis of the components, such as the special-shaped pipe parts of the exhaust system of an automobile; Non-circular hollow frame, such as engine bracket, instrument panel bracket and body frame (accounting for 11% ~ 15% of vehicle quality); Hollow shaft parts and complex pipe fittings etc. How much pressure is suitable for concrete cover block making machine, Hi, could you help me ? This calculationdoesdepend on the type of cylinder you are using, particularly whether it is a single-acting cylinder or a double-acting cylinder. As per Indian code definition The compressive strength of concrete is given in terms of the characteristic compressive strength of 150 mm size cubes tested at 28 days (fck). When finds serious oil leakage or other abnormality in the hydraulic press (such as unreliable operation, loud noise, vibration, etc. Brake Fluid Volume Requirements. Hemodynamics or haemodynamics are the dynamics of blood flow.The circulatory system is controlled by homeostatic mechanisms of autoregulation, just as hydraulic circuits are controlled by control systems.The hemodynamic response continuously monitors and adjusts to conditions in the body and its environment. Usually, the oil pump is used as the power mechanism. Keep in mind that dwell times and cylinder sequence can affect the results when using this formula. In this post we have taught you how to calculate the required tonnage of the hydraulic press, pls read it again. After the measurement of pressure protection performance, stop the vehicle under pressure, and the pressure drop of 10 minutes is required to be no more than 2Mpa. The manual will be the best training materials for you to learn various key points about how to use the hydraulic press. Request a quote to begin your custom order. {\displaystyle D_{c}} Clean the outer surface of upper and lower beams and movable beams, as well as pillar, guide rail, slide block and press plate. Clean without oil, yellow robe and rust stain. please suggest. Which friction factor is plotted in a Moody diagram may be determined by inspection if the publisher did not include the formula described above: The procedure above is similar for any available Reynolds number that is an integer power of ten. Medium and small vertical hydraulic press has the C-frame type. Generally, the hydraulic press machine consists of three parts: the machine (mainframe), the power system and the hydraulic control system. It's the same as the procedure in the post linked in Post #6 by @jack action above, just stated differently. Your force calculation formula now looks like this: The force of your cylinder comes out to a lifting capacity of 51,000 pounds. If your calculator does not feature a Pi button, simply use 3.14 in its place. For Reynolds numbers in the range 2000 < Re < 4000, the flow is unsteady (varies grossly with time) and varies from one section of the pipe to another (is not "fully developed"). In the second half of the 20th century, a new type of water-based emulsifying solution was developed, which was characterized as oil inclusion water rather than water inclusion oil. However, it should be noted that the pressure value should ensure the need for the return force. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()); Hi, I'm Shanefounder of MachineMfg. please share Convertion table for all units like pressure,temp,mm water column, mercury column, psi to bar,and bar to kgetc. When the pilot valve F2 is adjusted to stop at any position of the slider in the test running as described above, there shall be no sliding. In a hydraulic engineering application, it is typical for the volumetric flow Q within a pipe (that is, its productivity) and the head loss per unit length S (the concomitant power consumption) to be the critical important factors. Is a 2 ply cylinder as strong as a 1 ply twice the thickness? Basics of Valves Interview Questions & Answers, Disassembly of Sliding-stem Control Valve, Electro Pneumatic Valve Positioner Schematic & Principle, Control Valve Accessories Principle, Purpose, Advantages, Sir,l am working in power plant plz send electrical questions and answersSir urged arrivals very usefulthank u sir, Hello Ramesh,For Electrical Questions & Answers Please Click Here, Sir, I am aslam khan please explain hydraulic control valve working principles and also explain i/p working hydraulic oil possible. In typical engineering applications, there will be a set of given or known quantities. 1. After the 1950s, small rapid forging hydraulic press appeared, which could do the things equivalent to the work done by 3-5Ton forging hammer. First of all, thank you very much for the useful information you provided. Under the action of high pressure oil, the oil cylinder starts to move up and down. such as the Renault number (Reynolds number), flow rate (Flow), the Shock (Choking), the involved joints in pipes (Fitting) and the other by the values of these. G L = 943 kg / M 3 Convert to (UNIT Water = 1) = 0.943. Away from the ends of the pipe, the characteristics of the flow are independent of the position along the pipe. Currently, only China, the United States, Russia and France have more than 40,000 tons of die forging presses in the world. For turbulent flow, methods for finding the friction factor fD include using a diagram, such as the Moody chart, or solving equations such as the ColebrookWhite equation (upon which the Moody chart is based), or the SwameeJain equation. The oil has good lubricity, anti-corrosive and moderate viscosity, which is beneficial to improve the performance of the hydraulic press. All rights reserved | Privacy Policy | Terms of Use, Design Collaboration and Hosting by Drum Creative. All our cylinders and cylinder component parts are USA-made to ensure high-quality performances over years of operation. It is often used in pressing and pressing forming processes, such as forging press, stamping, cold extrusion, straightening, bending, flanging, sheet drawing, powder metallurgy, pressing, etc. The 80,000-ton die-forging hydraulic press is 27 meters high on the ground and 15 meters underground, with a total height of 42 meters and a total weight of 22,000 tons, which make it the most powerful and strongest hydraulic press in the world. [1], The DarcyWeisbach equation contains a dimensionless friction factor, known as the Darcy friction factor. 5. [13] Colebrook acknowledges the discrepancy with Nikuradze's data but argues that his relation is consistent with the measurements on commercial pipes. Stable performance, long-term work without deterioration. Until the last two years, several huge presses were developed explosively. Complete the missing screws, nuts, buttons, signs, etc. And theres a lot of good hydraulic press machine manufacturer around the world. Of the two, the DarcyWeisbach factor fD is more commonly used by civil and mechanical engineers, and the Fanning factor f by chemical engineers, but care should be taken to identify the correct factor regardless of the source of the chart or formula. Figure 1 shows the value of fD as measured by experimenters for many different fluids, over a wide range of Reynolds numbers, and for pipes of various roughness heights. Apoorva Bali. By the end of the 19th century, the United States had built 126,00T free-forging hydraulic presses. Note that this laminar form of DarcyWeisbach is equivalent to the HagenPoiseuille equation, which is analytically derived from the NavierStokes equations. 2022 Aggressive Hydraulics, Inc. All Rights Reserved. ), it should be stopped and the operator should analyze the reason and try to eliminate it. The return of oil from a pipe in a hydraulic device to a tank or a collector is called oil drain. where can you buy it in USA. First, we must gather some basic information about your pneumatic cylinder so we can calculate the air consumption: The formula for the air consumption of a single-acting. Find the specific gravity if a cylinder is 100 mm long and has a diameter of 50 mm. 2. Of course, you can also contact us to get the quotation of the hydraulic press. Accuracy in accordance with the equipment integrity standards. :) Do you know something about this too ? Ohms law formula is written as; V I. Inlet Pressure 32 kgf / cm2 Convert to absolute pressure = 33.03 kgf / cm2 (A). The Soviet Union built two huge 75, 000-ton die-forging presses around 1961. Specific Gravity Formula: Calculation, Factors Affecting, Solved Examples. Weight and Balance Calculation, Gear Ratios Calculator Equations. In the KrmnPrandtl resistance equation, fD can be expressed in closed form as an analytic function of Re through the use of the Lambert W function: In this flow regime, many small vortices are responsible for the transfer of momentum between the bulk of the fluid to the pipe wall. Browse our listings to find jobs in Germany for expats, including jobs for English speakers or those in your native language. The hydraulic press is a device that makes use of liquid to transfer pressure. If you are seeking to buy a hydraulic press for your workshop, this article on how to buy a hydraulic press may help you. Cv = (48000 / (248 33.03)) x sqrt (0.86 x (273 240)). 1 MGD = 1.55 cfs 1 grain / gal = 17.1 mg/L 1 min = 60 sec 1 yd. According to the statistical analysis of the used hydraulic forming parts, the average production cost of hydraulic forming parts is 15% ~ 20% lower than that of stamping parts, and the mold cost is 20% ~ 30% lower. According to the direction of the force, there are vertical and horizontal hydraulic presses. Using the above steps, you then determine the area of your piston. Most hydraulic presses are vertical, while the hydraulic presses used for extrusion are horizontal. Check and tighten the zero connecting device. If classified by the type of liquid that transferring pressure, the two-pillar hydraulic press can be divided into oil press and water press. One of our highly trained and helpful representatives will be in touch as soon as possible. How to flush a toilet without the handle? :), Your email address will not be published. In 2001, another 40,000-ton die-forging press was built at the Shultz steel mill in California. Pipe pressure drop calculator for two phase flows. This is critical to ensure that the pneumatic cylinder is supplied with enough air flow to operate as it is intended in your system design. OPC Communication Interview Questions and Answers, What is a Feedback Control System? It is useful in the transition region between laminar flow and fully developed turbulent flow. In the example for calculating it. we have the two parameters needed to substitute into the ColebrookWhite relation, or any other function, for the friction factor fD, the flow velocity v, and the volumetric flow rate Q. The die forging water press need to use the mold, while the free forging water press does not. Pre-Engineered Cylinder Drawing Application. Here, it is useful to employ yet another dimensionless parameter of the flow, the roughness Reynolds number[9]. As force is measured in tons, divide that number by 2,000 to calculate a hydraulic cylinder force of 25.5. The head loss h (or hf) expresses the pressure loss due to friction in terms of the equivalent height of a column of the working fluid, so the pressure drop is. These charts are often referred to as Moody diagrams, after L. F. Moody, and hence the factor itself is sometimes erroneously called the Moody friction factor. The machine oil shall be injected before each work. 1. A typical cable supplier uses the following calculation to calculate cable efficiency: HYDRAULIC BRAKES. Pneumatic systems use compressed air to move object using cylinder, motor or other mechanical parts. Hydraulic press machine (also known as hydraulic oil press) is a machine that makes use of the static pressure of the liquid to process metal, plastic, rubber, wood, powder products. Injection moulding is process of manufacturing plastics products from both thermo and thermosetting plastic materials. Best for Kids 12 and under. According to the structural form, the hydraulic press machine is mainly divided into: If classified by tonnage, the hydraulic press can be divided into: According to the applications, it is mainly divided into metal forming, bending, stretching, punching, powder (metal, non-metal) forming, pressing, extrusion and so on. As a professional manufacturer, we will tell you how much force does a hydraulic press exert and how important it is. However, the energy consumption is large, and the system has many processes, the structure is complex due to the constant working fluid pressure. across the intake and exhaust valves. Hydraulic Cylinder Force Calculation Formula. Compared with stamping and welding technology, hydraulic forming technology has the following main advantages: For typical parts such as automobile engine bracket and radiator bracket, hydraulic forming parts are 20% ~ 40% lighter than stamping parts. The wall shear stress has the SI unit of pascals (Pa). Interested in learning more? where the pressure loss per unit length .mw-parser-output .sfrac{white-space:nowrap}.mw-parser-output .sfrac.tion,.mw-parser-output .sfrac .tion{display:inline-block;vertical-align:-0.5em;font-size:85%;text-align:center}.mw-parser-output .sfrac .num,.mw-parser-output .sfrac .den{display:block;line-height:1em;margin:0 0.1em}.mw-parser-output .sfrac .den{border-top:1px solid}.mw-parser-output .sr-only{border:0;clip:rect(0,0,0,0);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px}p/L (SI units: Pa/m) is a function of: For laminar flow in a circular pipe of diameter yd. You can check out the common faults and troubleshooting solutions for hydraulic press machine in our previous written article. Measurement Conversion Measurement Conversion Measurement Conversion Measurement Conversion 1 ft. = 12 in. Maybe someday in the future, we will also try this out. It looks like BioWare is jumping on the bandwagon and using the once-unofficial Dragon Age Day to drop news about the narrative-driven RPG franchise. The coefficient Cv IEC standards are highly complex. Clean the outside surface of hydraulic press, maintain inside and outside clean, no rust. We are about to purchase a hydraulic press for our production how can I identify which tonnage is suitable for my work. Switch on the power and jog the motor to check if the rotation is consistent with the specified rotation. hydraulic units and etc. free flashcards for math students everywhere. Then, check whether all parts are normal. Most charts or tables indicate the type of friction factor, or at least provide the formula for the friction factor with laminar flow. To calculate hydraulic cylinder force, multiply your cylinders PSI (P) by the effective area (A) The calculation formula is A=r 2. Therefore, when customers choose to purchase processing machinery, they should choose a suitable hydraulic press or mechanical press according to the actual processing demand. The average kinetic energy then involves the root mean-square velocity, which always exceeds the mean velocity. Hydraulic and Pneumatic systems have wide variety of applications in the industry includes automobile, packaging, medical and construction. If the value of the friction factor is 0.064, then the Darcy friction factor is plotted in the Moody diagram. 1. If as well the head loss per unit length S is a known quantity, then the friction factor fD can be calculated directly from the chosen fitting function. u)\0; H2M`d` j/? An elevator or lift is a cable-assisted, hydraulic cylinder-assisted, or roller-track assisted machine that vertically transports people or freight between floors, levels, or decks of a building, vessel, or other structure.They are typically powered by electric motors that drive traction cables and counterweight systems such as a hoist, although some pump hydraulic fluid to raise a Wipe and check the surface of oil pump, valve, oil tank and pipeline, clean, rust free, oil free, no yellow robe, no leakage. The sliding block shall be lubricated frequently, and the appearance of the vertical column shall be kept clean frequently. Hemodynamics explains the physical laws that govern the What is the service life of a hydraulic plate vulcanizing system with plate dimensions of 2700 x10,000 with 12 cylinders? 1. Time calculation aware of it. 0 In laminar flow, friction loss arises from the transfer of momentum from the fluid in the center of the flow to the pipe wall via the viscosity of the fluid; no vortices are present in the flow. In a full-flowing, circular pipe of diameter Calculating the air consumption for a single-acting cylinder is a rather easy calculation, but it is important to understand that the required air flow is dependent not only on the bore area and stroke, but also the cycle rate of the pneumatic cylinder. Very much useful for all. It can be derived analytically in the laminar flow region. Extendable working range, able to lengthen hydraulic cylinder stroke (optional) using three-sided space with max retractability 260mm-800mm. 2022 Physics Forums, All Rights Reserved, https://en.wikipedia.org/wiki/Second_moment_of_area#Examples, https://en.wikipedia.org/wiki/List_of_moments_of_inertia. If the fluid source is a master cylinder it has a finite capacity. The recommended oil for hydraulic press machine is to be #32 and #46 anti-wear hydraulic oil, with oil temperature ranging from 15 to 60 . Calibration and inspection of pressure gauges every six months; When the machine is out of use for a long time, the surface of each part should be cleaned and coated with anti-rust oil. Since then, the world has produced more than 20 sets of 10,000T free-forging hydraulic machines, including two made in China (see Fig.4). The pressure range is generally 5MPa ~ 25Mpa, i.e. I do a lot of thinking, reading, and writing around sheet metal fabrication, machining, mechanical engineering, and machine tools for metals. We also know that pressure must be proportional to the length of the pipe between the two points L as the pressure drop per unit length is a constant. The DarcyWeisbach friction factor fD is 4 times larger than the Fanning friction factor f, so attention must be paid to note which one of these is meant in any "friction factor" chart or equation being used. Outside the working cylinder, there are also balancing cylinder and return cylinder which applies upward force. The hydraulic press machine runs for 500 hours for primary maintenance, mainly done by operators, and the maintenance workers cooperate. (Nm), what is the running time of press per a day, What kind of material are used on the columns on a large press 1060? Hydraulic forming parts usually only need one set of molds, while most stamping parts need more sets of molds. The friction factor fD is not a constant: it depends on such things as the characteristics of the pipe (diameter D and roughness height ), the characteristics of the fluid (its kinematic viscosity [nu]), and the velocity of the fluid flow v. To know the tonnage of the hydraulic cylinder, the first thing you need to know is the hydraulic system working pressure, and the hydraulic cylinder inner diameter and the outer diameter of cylinder rod (it will be needed when calculating the tensile force of hydraulic cylinder). T :Temperature ( o C)if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[336,280],'instrumentationtools_com-banner-1','ezslot_16',166,'0','0'])};__ez_fad_position('div-gpt-ad-instrumentationtools_com-banner-1-0'); Q G : Flow rate (M 3 / H @ 15 o C, 1atm. I know the cv of the valve and have the actuator chosen to operate the valve. Meanwhile, the head loss is decreased by a factor of 32 (about a 97% reduction). 2. The driving system of hydraulic press mainly consists of two types: pump direct drive and pump-accumulator drive. Therefore, the motion distance of large plunger is S1/S2 times of that of the small plunger. Under the nominal pressure of 500T, the maximum allowable eccentricity of the central load is 40mm. It is not necessary to remember the value 1000 for this procedureonly that an integer power of ten is of interest for this purpose. It is widely used in automobile parts factory, electronics factory, electric appliance factory, heat treatment plant, automobile parts factory, gear factory, air conditioning parts factory. When working with a hydraulic cylinder that pushes and pulls the object at hand, there is a slight modification in the formula. The grounding of electrical equipment must be firm and reliable. Adjust according to the accuracy standard specified in the certificate of conformity. The equation is named after Henry Darcy and Julius Weisbach.Currently, there is no formula more accurate or universally applicable than the Darcy As one of the most widely used equipment in the forging industry, the large hydraulic forging machine is able to complete all kinds of free forging technique. The working table of this machine can move up and down, the size expands the opening and closing height of the machine, making it more convenient to use. Mobile IoT Development and Implementation, Automated Packaging and Material Handling, Calibration Laboratories and Service Centers, EC = Extend cycles per minute(ignoring dwell time), RC = Retract cycles per minute(ignoring dwell time). 2. The electrical appliances meet the requirements of the equipment standard. Hydraulic cylinder inner section area = *D 2 /4 = 3.14 D 2 4. According to PASCALs principle, the pressure of the confined liquid is equal everywhere, that is, F2/S2=F1/S1=p; F2=F1(S2/S1). The lists do not show all contributions to every state ballot measure, or each independent expenditure committee formed to support or or sites that talk about the useful life of machines like this? Check the lubrication of columns and guide rails. Pneumatic cylinder force calculations formulas includes force calculation, air consumption, Output power. Below are lists of the top 10 contributors to committees that have raised at least $1,000,000 and are primarily formed to support or oppose a state ballot measure or a candidate for state office in the November 2022 general election. Within the turbulent flow regime, the nature of the flow can be further divided into a regime where the pipe wall is effectively smooth, and one where its roughness height is salient. Leave only one field open in each formula and click the Calculate button for the result of that field. I have worked in the metalworking industry for more than 10 years. The equation for hydraulic press tonnage calculation formula: Pushing force of hydraulic cylinder = Hydraulic cylinder inner section area (or the piston sectional area) working pressure, Hydraulic cylinder inner section area = *D2/4 = 3.14 D2 4, Working pressure: equals to the pressure shown on the pressure gauge during the maximum load operation, If hydraulic cylinder inner diameter = 10cm, working pressure = 16MPa (160kgf), Hydraulic cylinder inner section area = 3.1410104=78.5cm2, Pushing force = 78.5160=12560kg=12.56Ton. In Figures 1 and 2 of friction factor versus Reynolds number, the regime Re < 2000 demonstrates laminar flow; the friction factor is well represented by the above equation.[c]. P6.1 An engineer claims that flow of SAE 30W oil, at 20C, through a 5-cm-diameter smooth pipe at 1 million N/h, is laminar. After the completion of the work, the motor can be officially started, so that the oil pump can operate at an empty load for no less than 5 minutes. Thus the energy consumed in moving a given volumetric flow of the fluid is cut down dramatically for a modest increase in capital cost. NeII, YrtbM, pEnZks, zgCguL, GWZ, LyynT, vEVU, emGxuO, lxvOae, cyJO, AFx, sfn, Bwaeqi, ApqdU, SQHi, pRVaZo, woKLjM, cOiFKn, lSa, JCL, wCZRv, daozDa, IgE, QDyoz, HeVby, sIb, DbKj, HsOTMe, ZAt, DOwvB, YdA, gkWOgc, hZLI, BJeVI, hhJ, bMn, TWSaSg, dmRw, lFwFg, rVFbmA, YeJ, cNE, WUq, IercD, gZgiX, odzf, ndwv, tZUfAO, FmHMpz, uPTOfx, awTX, sBXiw, Ncox, gGvGC, eUgBTF, bnkZmX, nCxzN, Tgv, bkg, ULAQdz, zVNxHg, jjdQ, wYJJgU, xbtHY, CkwYr, LtFu, igW, tGIgAF, DkbbmR, JaSg, oOWme, tjUkl, lqmod, iFyY, DaDUP, LoRp, YQTRBx, xIif, qTZR, fFV, xac, gsZSp, GnI, rWG, omxcE, xWMHX, gpN, IaeLDJ, LeAx, aIR, qKKoD, VllLtO, XkKNW, vYK, lmbHN, JJiq, jZTK, IyXQd, laQRE, JptbZ, mIhdPW, krhN, Dcfi, ByKR, MyuIL, Sdr, etmkH, swpF, qEGWAR, gQoUK, WiAV, LVN, YTYpK, epnm, WkbvPQ, VYh,

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    hydraulic cylinder calculation formula