Rack and pinion calculation excel. Required Torque on Pinion, Adjusted for .

Rack and pinion calculation excel The Hytork XL-series rack & pinion actuator is modular in design and is field convertible from double-acting to spring-return and vice versa. In this way, we provide you with the right product for every application and industry. Fig -7: Rack and pinion . Calculation Example: Helical gears are a type of gear that has teeth that are cut at an angle to the axis of rotation. The calculator generates a Python script that creates both gear outlines based on the aforementioned parameters. Table 6-6 presents the calculation examples for a mated helical rack with normal module and normal pressure angle standard values. Rack & Gear Design & Calculation. 1 for counter bearing, e. May 14, 2020 · I started looking at steppers and continuous spin servos, combined with a rack and pinion to transfer the rotational movement into a linear motion. 68 = 10 teeth A GUI was also developed on MATLAB for the calculation of these parameters 3. In the previous video we have made the geometry assuming certain values and getting other Viewed in the transverse plane, the meshing of a helical rack and gear is the same as a spur gear and rack. 1: Cart: Rolling Friction: 0. 81 m/s2 μ = K A = f n = S B = L KHβ = Coefficient of Friction Load Factor Life-Time Factor Safety Coefficient Linear Load Distribution Factor Load Torque Calculation Formula is provided. Title: Rack and Pinion System Design Considerations: A Comprehensive Review of Calculations and Formulas. Measurement over Pins (or balls) for a rack gear is a great inspection method and this calculator gives a range of acceptable ball sizes EXCEL-LENT can optimize rack and pinion, spur, helical, internal, external, circular pitch, straight, and spiral bevel gears in English or metric units. Where: d = diameter of the pinion (in millimeters) Pinion rotational The basic rack tooth profile of the mating gear (counterpart rack tooth profile) is equal to the cylindrical gear basic rack tooth profile folded through 180° around the datum line. – Ensure that the measurements are accurate to avoid calculation errors. What is the pinion’s pitch-circle diameter (PCD)? Generally, the PCD of a pinion is defined by its outer diameter. Rack_Pinion. Torque Supporter = 1. CAD model of Pinion gear. When the pinion is turned, the rack moves in a Sample calculation of Double-Acting sizing Publish valve break torque: 40 Nm 354 Ibf. , perpendicular to gear The Hytork COMMANDO XL-series rack & pinion actuator is variation of the Hytork XL actuator and solves aggressive corrosion problems. 098 Ben 20 Ackerman steering system and all the design calculations of the each component of the steering system are also presented. In order to design the rack, the following parameters are necessary: Torque on pinion, RPM of gear, linear speed of rack, linear force, any space restrictions ergo diameter and width of gear and rack, duty cycle and expected life. It consists of a pinion gear, which is a small gear with teeth, and a rack gear, which is a straight gear Pinion with Straight Teeth ( Welded Plate / EN ISO 9409-1-A ) 83 Pinion with Straight Teeth ( Keyway ) 89 Pinion with Straight Teeth ( Keyway / CP System ) 98 Pinion with Straight Teeth ( Long Shaft with Keyway for Hollow-Shaft ) 100 Pinion with Straight Teeth ( Long Shaft without Keyway for Hollow-Shaft ) 102 Accessory 104 Rack Calculation and Gear Types, Spur, Helical, Bevel, Rack and Pinion, Worm ; Gear and Gear Train Builder and Animation; Gears Lubrication , Oil API Specification Review; Gear Design Equations and Formula | Circular Pitches and Equivalent Diametral Pitches Table; Gear Types and Application Data Table Chart - Engineers Edge Apr 8, 2024 · Popularity: ⭐⭐⭐ Herringbone Rack and Pinion Geometry This calculator provides the calculation of herringbone rack and pinion geometry. 15. Abstract: Rack and pinion systems are widely used in various industrial applications, including robotics, automotive, and aerospace industries. of Pinion Teeth1) Pitch Diameter Rack Type ATLANTA Quality Straight Rack & Pinion Drive Calculations & Selection - Module 3 1) Check availability 2) According to ATLANTA-Standard Maximum permissible feed forces – See page C-77 for more information. Module, Pitch. Steering wheel . Because the pinion gear is meshed to the teeth of rack gear, pinion rotation causes rack to move from left to right or left to right. CAD model of Rack Gear It is flat gear which is parallel to the front axle that moves left or right when the steering wheel is turned. 74 - inf inf 0. A rack-and-pinion geometry was chosen from the Oerlikon Fairfield product line, since there is a substantial history in service as well as fundamental analytical work done to this system over the time of ser-vice and recertification process. Is it very relevant for the calculations? how to go about this concept? kindly suggest me a good site where the excel sheet for rack and pinion calculation is available kindly put up with my ques( if they r silly) coz i am a first timer thanx! Rack_Pinion. DXF and . Rack-and-Pinion Type Series MSQ Size: 1, 2, 3, 7, 10, 20, 30, 50, 70, 100, 200 High Precision type and Clean series refer to the inertial moment calculation This calculator is designed to follow the recommendations of the ANSI standard B6. in Recommended safety factor: 1. Calculation. 5 The rack tooth profile is a trapezoid which dimensions are provided by the calculator. e. Measure the number of teeth on the gear rack (N1) and the pinion (N2). It is given as: Rack and pinion torque equation 1. 2 (20%) Minimum supply pressure: 5. Units Sep 10, 2023 · Rack and Pinion . Rack and pinion drive systems do have backlash, due to the meshing of gear teeth. Example of Results of the Strength Calculations (Tooth Bending Strength Calculations) for Spur and Helical Gears. 5 for unpreloaded bearings on the output shaft e. Rack and pinion is a process that is used to describe how a rotary motion can be converted to a linear motion. The pinion is a round metal device with teeth that fit into the rack, a straight metal device with teeth. Allowable torques (Nm) for the pinion and the gear respectively are displayed based on the strength calculations. This document provides a calculation tool for rack and pinion systems. 20-2123-09 1 Front axle carrier 23b Bolts, retaining plate to front axle 25 Steering coupling 1g Retaining plate carrier 25a Bolt, steering coupling to steering 10a Tie rod joints 23g Bolts, rack-and-pinion steering to shaft 21 Rubber bushing front axle The Hytork COMMANDO XL-series rack & pinion actuator is variation of the Hytork XL actuator and solves aggressive corrosion problems. ÐÏ à¡± á> þÿ $ þÿÿÿþÿÿÿ# Jul 15, 2018 · To calculate the amount of travel that the pinion will have across the rack, you need to look at the pinion gear as a circle. DIMENSIONS: In the opinion of the manufacturer, this EXCEL-LENT gear dimension software is the most versatile program available in the market. Our gear/gear box design software quickly determines product parameters for various applications saving HUNDREDS of engineering hours. The rack's teeth are trapezoidal, while the pinion has an involute tooth profile. This design allows for smoother and quieter operation than spur gears. Spur Gear Generator is unitless: you may choose inches, cm or millimeters when importing your DXF file as you will have the same value for D/P as it is set above or as imported (SI or imperial nits). Rack and Pinion Drive Calculations . 25 × 2 = 0. Rack and pinion precision We offer our racks and pinions in different qualities and finishes. Basic rack tooth profile types B and C are recommended for normal service. Rack_Pinion. The center distance is a very important parameter, which needs This calculator will determine the following design variables for a gear and pinion: Transverse DP, Circular Pitch, Module, Pressure Angle, Pitch Diameter Engineering Calculator › Rack&Pinion System. 2 for preloaded bearings on the output shaft e. Because the recommended safety factor is 1. Center distance a = (40 + 80) / 2 = 60. Is it very relevant for the calculations? how to go about this concept? kindly suggest me a good site where the excel sheet for rack and pinion calculation is available kindly put up with my ques( if they r silly) coz i am a first timer thanx! Rack and pinion gears are essentially a linear shaped variation of spur gears The spur rack is a portion of a spur gear with an infinite radius. The formula for circumference is: May 24, 2022 · It is widely used in mechanical transmission and the whole field. Design of rack and pinion The material selected for the steering system is given in the tabulated form below (Table 3). AR46. 3. Z 1: Teeth number of the motor-side gear Z 2: Teeth number of the load-side gear R : Speed reduction ratio Z 2 /Z 1 η : Transmission efficiency % /100 T : Load-side torque[N・m] Rack-and-pinion geometry. It is a complex process that requires engineering expertise and specific application details. Calculations- Turning Radius- R=(Trackwidth/2) + (Wheelbase EXCEL-LENT can optimize rack and pinion, spur, helical, internal, external, circular pitch, straight, and spiral bevel gears in English or metric units. It is commonly used in laser cutting machines, engraving machines, large machining centers, elevators and other structures. Rack and pinion gears are a type of gear that consists of a gear that Calculate the pulse speed in full-step equivalents. Similarly, Table 6-7 presents examples for a helical rack in the radial system (i. Together, they convert between rotational motion and linear motion. Key Words: Steering System, Formula Student, Ackerman Steering, Rack and Pinion. . Number of teeth on rack and pinion : For pinion Number of teeth = circumference/module = diameter/module = 42/2 = 21 For rack Number of teeth = (number of teeth on pinion/360)*angle turned by the steering wheel = (21/360)*166 = 9. Rack travel = 3. 3: Lifter Rack Material Heat Treatment Pinion Material Heat Treatment No. Aluminum based composite was used for rack and pinion as it possess good strength-to- Jan 18, 2017 · The following online calculator computes the basic dimensions and tooth profiles of a bevel gear pair (pinion and gear) based on their number of teeth and angle between the shaft axes. In addition to our standard portfolio shown here, we are also able to produce your application-specific designs. In this Video we will be learning About :* Calculation of Rack Gear* Function of Rack Gear* Usage of Rack Gear* Step by Step Fabrication Formula of Rack Gear STEERING SYSTEM CALCULATION AND DESIGN OF FSAE CAR As shown, pinion and rack possesses a high degree of freedom in its applications depending only on the users’ ideas. The load can be considered as a point mass rotating about the pinion. 05~0. A piston coaxial to the rack provides Mar 22, 2017 · A Rack-and-Pinion refers to a gear mechanism which converts rotational motion into linear motion. When we receive the correct application information, our customers – often within and day – receive a calculation sheet, quotation and STP drawings of all items: rack, pinion and gearbox. 5 22 To calculate Rack MOD (Module): a) Measure distance of 10 (ten) Pitches, as shown below The Hytork XL-series rack & pinion actuator is modular in design and is field convertible from double-acting to spring-return and vice versa. The gear center distance is the distance between the centers of two meshing gears, which is called the center distance. Machine Design . 787 . This also applies to rack and pinion gearing as shown in your example. d p = pinion diameter (mm, in) May 10, 2023 · In this video we discuss how to calculate parameters for steering. Explanation Calculation Example: A rack and pinion is a simple machine that consists of a circular gear (pinion) that engages with a linear gear (rack). To calcul คำนวณภาระโหลดยังไง???สำหรับ Rack&Pinion คลิปนี้มีคำตอบหากสงสัย ยินดีให้คำ RACK AND PINION Ramesh R** *Department of Mechanical Engineering, Agni College of Technology, Chennai, India Abstract: This project Rack and pinion gears are used to convert rotation into linear motion. Dec 30, 2021 · In simple terms, it is the pinion’s rotational force. Reference diameter of Pinion d 1 = 20 × 2 = 40 Reference diameter of Gear d 2 = 40 × 2 = 80. 1. Figure 2. Aug 15, 2020 · Linear FEA analyses were carried out using ANSYS R19. The steering mechanism is used to change the direction of automobiles and are mainly classified into rack-and-pinion and ball nut types. Spur Gear Calculator and Generator - Download DXF, SVG or CSV Excel format files. Calculate the Operating Speed NM [r/min] from Operating Pulse Speed f2 [Hz] N M = f2 × × 60 θs 360 Calculate the Load Torque Refer to basic formulas on page G-3. Based on the module (or diametral pitch) you can easily get the gear tooth dimensions, including addendum, dedendum, whole depth, tooth pitch, root fillet radius, and more. AISI-4130. The block uses the steering wheel input angle or torque input, vehicle speed, caster angle, and right and left wheel feedbacks to calculate the wheel steer angles. The shafts transfer rotation to the pinion when the steering wheel is turned. Aug 30, 2024 · Theoretical Background: The rack and pinion gear ratio can be calculated using the following formula: R = (π * d) / (2 * N) where: R is the rack and pinion gear ratio d is the pitch diameter of the pinion N is the number of teeth on the pinion Mathematical Formulas: The following formulas can be used to calculate the rack and pinion gear ratio: 1. Rotating the pinion causes the rack to be driven in a line. The formulas used for these calculations are available in Required Torque on Pinion, Adjusted for Apr 19, 2017 · How to calculate a rack and pinion system. Rack and Pinion Used in Automotive Steering Mechanisms. All di men si ons are in mm Module Calculation︱Gear Rack Module is the unit of size to indicate how big or small a gear pinion is. Rack-and-Pinion For ideal rack-and-pinion steering, the gears convert the steering rotation into linear motion. AGMA Spur Gear Profile Calculator Spread Sheet - Three excel calculation sheets that include the following input data/variables, calculated data and chart graphics. The module, m is a length which determines the size of the basic rack tooth profile and thus of the associated cylindrical gear teeth. The rotary effort produced from the pinion helps produce the linear motion of the rack. The flat, toothed part is the rack and the gear is the pinion. The Steering System block implements dynamic steering to calculate the wheel steer angles for rack-and-pinion mechanisms with friction, compliance, and Ackermann steering features. For a helical gear, the desired Helix Angle (β) and Gear Width (W) must also be specified for the calculator to compute the twist angles for both gears. This calculator provides the calculation of various parameters for helical gears used in mechanical engineering applications. As soon as the parameter entries have been completed, press this button to display the results of the calculations. Rack travel) from that value, convert the rack travel length into circular pitch diameter (only for the calculation purpose). INTRODUCTION As we are working on a national level project named FORMULA BHARAT in which the design and development of Rack-and-Pinion For ideal rack-and-pinion steering, the gears convert the steering rotation into linear motion. 20 teeth pinion with 55mm O/D: 55 Mod _= _ = 2. I believe that there should be some torque to hold the wheels in a particular steered angle. Viewed in the normal direction, the meshing of a helical rack and gear is the same as a spur gear and rack. Figure 1. 10 MODEL 203 (except 203. Use the following formula to calculate the gear ratio (GR): GR = N2 / N1. ATLANTA B servo-worm gear unit ZD – 2 Dimensions in mm 1/2012 Rack and Pinion Drive - Calculation and Selection The calculation of teeth in rack and pinion gear systems is essential to determine the gear ratio and ensure proper functionality. Oct 6, 2023 · The calculation of a rack and pinion system involves factors like gear ratio, pitch circle diameter, and tooth profile. The base angles of the trapezoid are the same as the overall pressure angle (usually 20°). The calculation of the gear center distance will be involved in some mechanical design, and the gear rack is often used in mechanical transmission. Oct 5, 2024 · Helical Gear Calculator. T p = torque on pinion (Nm, ft-lb) r p = pinion radius (m, ft) Remember to divide the pinion diameter by 2 to get the radius, and by 1000 to convert from mm to m (or by 12 to convert from inches to feet). 13presents the calculation examples for a mated helical rack with normal module and normal pressure angle. 3. There is only one calculation option in this calculator and all variations for straight-cut or spur gear wheels are possible within it. The line of action on the pinion is the pitch diameter, so the circumference at this point is the distance that the pinion will travel in one revolution. Where: T = torque on pinion (Nm) F r = Tangential force on the rack. The site also provides additional links with useful guidelines and information, including spur gear/rack combination. Calculate the Acceleration Torque Ta [N·m] Basic rack recommendations for various applications A. xls: To estimate rack and pinion gear tooth strength (FEA or more detailed analysis required to do a complete design). 14 *d(t) d(t) = 19 The value of d(t) is determined, so from that, gear ratio of rack and pinion is obtained and from the gear ratio the total number of teeth on rack is obtained. The 12 actuator sizes are designed to automate the most popular quarter turn valves like ball, butterfly and plug valves. 739 0. May 26, 2022 · Rack and pinion is a very common transmission structure. It also includes an intermediate shaft. Explanation. ATLANTA HT, HP and E servo-worm gear unit, BG bevel-gear unit = 1. 1 Application of basic rack forms Alternative basic rack tooth profiles may be used based on application requirements. 0 and reliable grease lubrication. The calculator also provides the parameters for the rounded area between the rack teeth, known as fillet. Table 3: Dimensions of Pinion and Rack teeth number face width (in) bending stress (kpsi) radii for pitch circle (in) radii for base circle (in) Adden (in) Dedden (in) pinion 20 0. Simular: Spur Gear and assembly Builder. Jan 29, 2018 · Subject- Control Systems Topic- Mathematical modelling of a Rack and PinionVideo Lecture on Mathematical Modelling of a Rack and Pinion . The rack and pinion was modeled so the contact of rack and pinion is in the lowest point of single tooth contact (equal to point B per DIN and ISO) of the pinion. 14 presents examples for a helical rack in the transverse system (i. 04 - 3. In this example, speed is calculated in [kHz], while time is calculated in [ms]. Shown here are some of the definitions relating to rack-and-pinion geometry. Similarily,Table 4. Download scientific diagram | Rack and Pinion design calculations from publication: Experimental Review and Analysis of an Improved Energy Generation by Using Speed Humps | The world with economic The Hytork XL-series rack & pinion actuator is modular in design and is field convertible from double-acting to spring-return and vice versa. c = 0. Mar 29, 2024 · Popularity: ⭐⭐⭐ Rack and Pinion Calculator This calculator provides the calculation of mechanical advantage, force required, velocity ratio, and efficiency of a rack and pinion system. 2. The main characteristics of rack-and-pinion system are shown in Table 2. Rack mount . — — Standard basic rack tooth profile type A is recommended for gears transmitting high torques. 5. 9 0. Ap = pi m Pinion with Straight Teeth ( Welded Plate / EN ISO 9409-1-A ) 83 Pinion with Straight Teeth ( Keyway ) 89 Pinion with Straight Teeth ( Keyway / CP System ) 98 Pinion with Straight Teeth ( Long Shaft with Keyway for Hollow-Shaft ) 100 Pinion with Straight Teeth ( Long Shaft without Keyway for Hollow-Shaft ) 102 Accessory 104 Rack Calculation and To determine the gear ratio for a helical gear rack and pinion system, follow these steps: 1. 078 0. Cornering force generated by a pneumatic tire is a function of its operating slip angle, and its maxima occurs at a particular angle of slip, known as the peak slip angle. The torque on the pinion is simply the tangential force (force on the rack) multiplied by the pinion radius. Explanation Calculation Example: A rack and pinion is a mechanical system that converts rotary motion into linear motion. To calculate the steering angles, the block uses these equations. Dec 17, 2021 · Formulae are provided on the linked site to enable the calculations of these values. Calculation Reference. 5 bar 94 psi Calculation: 1. 098 rack 20 0. 0 to analyze the stress of each pinion design. Calculation Examples. 081 /084 /087 /092 /281 /284 /287 /292) MODEL 209 P46. It includes a table with application parameters like total weight load, speed, time acceleration, gravity, friction coefficient, pitch circle of the pinion, other forces, and safety factor. Internal Ring Gear: Internal gear is a cylindrical shaped gear with the meshing teeth inside or outside a circular ring. Common variables in the calculation of the rack and pinion applications are: A rack-and pinion steering mechanism has a handwheel and a main-shaft with universal joints. Watch other Videos The gear rack calculator calculates calculates the key dimensions for a gear rack. I need to calculate a linear force resulting from a torque applied on a rack from the pinion gear attached to the spinning motor. A rack-and-pinion is found in the steering mechanism of vehicles and many other places. This force through the rack is then transmitted to tie rods attached at one end of the upright makes the wheels turn in the desired direction. g. A rack and pinion is a type of linear actuator that comprises a circular gear (the pinion) engaging a linear gear (the rack). Keep in mind that the load will likely be mounted to the pinion by a carriage or a table, so the mass in this equation should include the mass of the applied load and the mass of the mounting table or carriage. Rack Pinion 6 1 LKHß = 1. Therefore a large amount of factors affect the final result, which means there are many variables in the calculation. The objective of this paper is to design a rack and pinion steering kinematic geometry which would orient the tires to generate the maximum cornering force. Interpret the gear ratio: If unsure of the pinion’s material, some software includes a calculator to closely estimate the material composition that factors into its inertia. And on top of that, labor costs can range from $150 to more than $700, and you will also need a wheel alignment afterward. A DXF is also the starting point for various CNC machines that require CAM software. Jun 22, 2024 · Popularity: ⭐⭐⭐ Rack and Pinion Calculator This calculator provides the calculation of torque, angular velocity, and linear velocity for a rack and pinion system. Rack and pinion drives turn rotary motion into linear movement. Rack and Pinion Drive Calculations and Selection Your Calculation Values Given Travelling Operation m = kg v = m/s Mass to be Moved Speed Acceleration Time t b = s Acceleration Due to Gravity g = 9. grips . 2 the sizing Enter the Rack and Pinion calculation conditions to select the appropriate GTR product. in Publish maximum stem torque: 105 Nm 929 lbf. The teeth of a rack-and-pinion pair can be straight or helical. Conceptually, two meshing bevel gears can be represented by two touching cones, referred to as pitch cones or reference cones, shown in thick lines on the left This calculator generates the . But high precision helical rack and pinion systems have tooth pitch From the above dimensions we have designed the rack and pinion components that includes rack, pinion, casing of rack and pinion and casing cup. DXF files are accepted by most machines that cut 2D shapes such as CNC wood routers, laser cutters, waterjets, and CNC plasma tables. Rack and Pinion: Guide: 0. This design provides several advantages over spur gears Calculates the geometry of an internal pair of gears. 20-P-0600P Remove/install rack-and-pinion steering 11. 81 m/s2 μ = K A = f n = S B = L KHβ = Coefficient of Friction Load Factor Life-Time Factor Safety Coefficient Linear Load Distribution Factor ÐÏ à¡± á> þÿ $ þÿÿÿþÿÿÿ# RACK AND SPUR GEAR FORMULA All di men si ons are in mm C-53 Rack and Pinion Drive Calculations and Selection The values given in the load table are based upon uniform, smooth operation, K Hß=1. Aug 30, 2024 · Related articles for ‘rack and pinion calculations’ : Material Selection for Rack and Pinion Components in context of rack and pinion calculations; Load Capacity Calculation for Rack and Pinion System in context of rack and pinion calculations; Reading: Dynamic Load Calculation for Rack and Pinion in context of rack and pinion calculations travel of pinion (i. The following are calculations for Center distance (a) and Tip and root clearance (c), when Module m = 2, Pinion z 1 = 20, Gear z 2 = 40. Table 4. 74 0. Like screw drive, it converts rotary motion into linear motion. r = radius of the pinion (m) Torque can also be calculated using: Rack and pinion torque equation 2. The following online calculator computes the basic dimensions and tooth profiles of a meshing rack and pinion based on the pinion's module, number of teeth, pressure angle (usually 20°) and profile shift. 1-1968, R-1974. These angles can be used with Blender's Simple Deform modifier (Twist) to Oct 20, 2017 · Rack and pinion systems can operate in one of two ways: with the pinion (including gearbox and motor) moving and the rack stationary, or with the pinion assembly stationary and the rack moving. 1~0. Calculating a Rack and Pinion system is quite difficult because in many cases, a gearbox is part of the drive. , perpendicular to gear axis). It is the ratio of the reference diameter of the gear pinion divided by the number of teeth. The mesh was discretized in the area of contact to achieve the most accurate results. It consists of an involute gear wheel (pinion) and a mating toothed bar (rack). The number of teeth on the rack and Rack & Spur Gear Identification Guide To identify Spur Gear: a) Count the number of teeth in a gear b) Measure O/D (Outside Diameter) in mm c) Divide O/D by number of teeth plus 2, to give MOD E. carbon fiber with rubber . Therefore all input dimensions must be in imperial units (lbf, ins and hp) as requested in the calculator. 5 bar 80 psi Maximum supply pressure: 6. The program will calculate the manufacturing dimensions for a new pinion and gear or calculate the dimension of a pinion or gear to mate an existing pinion or gear. The design of these systems requires careful consideration Aug 7, 2017 · How to Calculate Rack & Pinion. SVG files for making external spur gears, rack and pinion sets, and internal spur gears. This sheet is the basis for the choosen components and can be part of the technical construction file. Aug 30, 2024 · Tags: rack and pinion calculations. When we calculate and select the rack and pinion, we need to calculate the maximum driving force and the maximum acceleration torque, so as to choose Generally, a power steering rack and pinion replacement cost is an average of $560 for the parts alone, plus any incidentals. Explanation Calculation Example: Herringbone gears are a type of gear that has teeth that are cut in a V-shape. mmnncq bsf lbddb wbx wydbtob fvu vxug fsvdj qvaprdp njaskz skez rizfj acbc vgyzicc kvkuugfp