custom metric thread calculator

We call these threaded materials threaded fasteners. Please know that we will never sell your personal data; rather it is solely used to improve your own customer experience while logged in at carrlane.com. , standard reference temperature for geometrical product Threads create Mechanical Advantage because their teeth operate like wedges. The nominal diameter of a thread is the diameter for which a thread is known. | Contact, Home Your Customer Portal Account has been created. Volume and Weight. The tolerance classes tell what the thread tolerance should be on the threads dimensions. Basic profile: The theoretical profile of a screw thread in an axial plane defined by theoretical dimensions and angles Click the Thread Link to get the Full Thread Data for all classes in Inch and Metric units. Youre welcome to use it for free during the Beta Test. The choice of the recommended class is made according to two parameters: Type your thread description in the Search Box. Major Diameter must be within the range of min major diameter to max major diameter. The tighter the fit, the shorter the length of engagement for a given level of thread strength. a female thread. Section Properties Apps This kind of thread can be an external thread (like on a screw or bolt) or an internal thread (like what we see inside a nut). Fluids Flow Engineering Depth of cut per pass to ensure constant chip thickness. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. The goal of a Thread Calculator is to give you comprehensive capabilities to deal with screw threads: G-Wizard Thread Calculator can do all this and more. The algorithms used for this calculator are based on the "my" best interpretation of the ANSI/ASME B1.1-1989 specification. Thread Calculator from Carr Lane Manufacturing 314-647-6200 info@carrlane.com Product Catalog Engineering Resources Customer Resources About Carr Lane Engineering Resources Technical Information Design Standards & Engineering Information Thread Calculator Save to My Project What is this? This free calculator will help you find the pitch diameter or overall measurement of threads using the Three Wire method. Gears Design Engineering What is This? For the formal values, use the below chart or standard ISO 965-1. They are based on standard ISO 68-1. Download Catalog The tolerances depend only on the threads pitch and are provided by the Thread Calculator for these parameters: The lead angle of the thread depends on its pitch, the number of starts, and the diameter. UN STI Screw Thread inserts such as Helicoil. When created prior to 1895, Acme screw threads were intended to replace square threads and a variety of threads of other forms used chiefly for the purpose of traversing motion on machines, tools, etc. You select both using the dropdowns at the top left of the GW Thread Calculator: Not all families allows custom thread sizes, but many do. Refer to the diagram to see how Flats Height is measured: Width of the Flat. 1) The factor '0.18' in the formula for 'major diameter tolerance' of external threads in Ref(24) paragraph 6.5.2 has been modified to '0.1818' in order to reduce the differences between calculated and tabulated values. Thread tolerance is a complex subject, and the detailed information in G-Wizard Thread Calculator can help with that. Based on ISO 965-1:1998, ISO 68-1:1998 and ASME B1.13M-2005 SELECT Metric thread Pitch External crest diameter tolerance External pitch diameter tolerance Internal crest diameter tolerance Internal pitch diameter tolerance Its free during Beta Test, you just need a working trial or subscription copy of our G-Wizard Calculator. This has produced a difference between the results from the documented formula and CalQlata's modified formula for 'minimum major diameter' of external threads: e.g. Odd Pitch Threads , , .Etc: use any numbered line on the chasing dial. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. When a thread fails it will shear (strip) from the nut or screw body. Threads & Torque Calcs specification is 20 C. Unified classes use the letter A for external threads and 'B' for internal threads. Vibration Engineering Here are the formulas that we use to find those maximum and minimum diameters: Here are the equations we use to find the fundamental deviations depending on what tolerance position the threads need to be: Fundamental deviations for external threads, Fundamental deviations for internal threads. Enter the Size Over Wires you measure and the pitch diameter of the thread will be given. Click this button to load the currently selected thread into CADCAM Wizards. ASME has abandoned the engagement length calculation because of confusion in its use. This is the Length of Engagement measured in threads rather than inches or mm. The Web's best Machine Design Guide for Mechanical Engineers and Designers NOTE: You are not currently . It uses an advanced algorithm for precise calculations of thread data. Electronics Instrumentation Major diameter (OD) 4, 6, 8 Note : * 6g is normally selected for commercial external (bolt) threads. The major diameter is the largest diameter of an external or internal thread. Pitch diameter (PD) 4, 5, 6, 7, 8 If there is no GW Threads tab, it means youre not registered to use GW Thread Calculator. Flat Plate Stress Calcs The user shall use 6g for bolts and 6H for nuts unless there is a specific requirement to use other tolerance classes. UNEF - Ultra Fine pitch thread. The class is written after the pitch. Fax: 314.647.5736, Design Standards & Engineering Information. This screw thread software will still work for common UN and ISO internal threads and external threads even if you don't have the premium module. GW Thread Calculator divides screw threads into Straight and Tapered (Pipe threads are often tapered) groups. Pitch diameter (PD) 3, 4, 5, 6, 7, 8, 9. calculations of metric threads, tolerance calculations of different tolerance classes can be done according to ISO. Economics Engineering Minor diameter (ID) 4, 5, 6, 7, 8 dvr ISO Metric Threads (Explained) Our tool is a metric thread tolerance calculator that is addressed to students, employees, and apprentices (trainees) in all technical sectors. between two adjacent threads. Tell you what tap drills to use for tapping internal threads. Thread pitch, or simply pitch is the distance between a point on one thread to the corresponding point on the thread adjacent to it (for example, the measurement from crest to crest or from root to root). Two charters long class mean that the class is valid for both the pitch and major/minor diameters. The above formulas are approximations. Plastics Synthetics Minor Diameter must be within the range of min minor diameter to max minor diameter. There are two calculation options available, general engineering use or custom use. Manual Lathe Guides give you step-by-step instructions for how to cut whatever screw thread youve selected. UNJ Aerospace Thread. As a general rule, root radii limitations are as follows: R and R (Fig 3) must be greater than th the pitch, R can be as large as you like so long as the minimum truncation (T, Fig 3) is exceeded: i.e. By continuing to use this website, you are giving consent to cookies being used. Size is typically expressed at least as a size (usually nominal size), and also very commonly as a size and thread designation (such as TPI). They remain the same for external and internal threads. All internal calculations are done using metric millimeters. Contact us| As youd expect, existing G-WIzard Calculator customers will get a sweetheart deal to add GW Thread Calculator. a female thread. The consent submitted will only be used for data processing originating from this website. Thank You! The wire calculation results (' and ') are provided for measurement using a standard micrometer and wires. After coating, the actual thread profile shall not at Threads can mean a lot of things. Therefore, it's good to know our thread's allowable maximum and minimum diameters. Metric Thread Profile Calculator Calculate metric thread geometry dimensions by adding thread size, pitch and tolerances. which are recommended for checking The ThreaDoctor takes all of the above into account to compute the allowed variations of the below parameters: Important Note:The UN threads standard (ASME B1.1) lists all the data for the length of engagement of five times the pitch diameter (5xP). The Maximum Pitch Diameter for this thread and tolerance class. Fasteners of property class 8.8 and higher (see ISO 898-1), the root profile shall have a non-reversing Once youve downloaded the latest GW Calculator, click the GW Threads tab to access GW Thread Calculator. Heat Transfer Purpose Metric Screw Threads Table, LIMITS OF SIZES FOR EXTERNAL THREADS (BOLTS), LIMITS OF SIZES FOR INTERNAL THREADS (NUTS). It is the most commonly used worldwide thread system. That is, ddd for external thread major diameter, and DDD for internal thread major diameter. If the class is omitted, the default class is used. For example, 1/4-28 UNF-2A is family UNF, size 1/4-28, and tolerance class 2A. The Thread Calculator App provides the following basic parameters for NPT pipe threads: These nominal thread parameters represent the theoretical profile. Manufacturing Processes These formulas are applicable for the tight connection. The approximate allowance can be calculated according to the below formulas: Unfortunately the above formulas are approximations only. Please enter the email address associated with your account and we will send you an email containing your password. To manufacture and measure a thread, you need to obtain also the allowed tolerances, which are given in the next tab. One of my favorite features is the Tap Drill Size chart, which helps you avoid broken taps by selecting the best drill for your application. - Tolerance class for minor diameter (M10 x 1 5H 6H), - If the two class designations for the pitch diameter and crest diameter are the same it is not necessary to repeat the symbols. All these parameters are derived from simple formulas based on the threads nominal diameter and pitch. Scroll down to see a screen shot. Tolerance; The basic dimensions can be used for design. In addition to basic size Counterbore Sizes (inch) calculations of metric threads, tolerance calculations of different tolerance classes can be done . Class 2A & 2B: The same clearance as that applied to Class 1A/1B threads is also applied to the basic thread profile of this class but the tolerances for this class are tighter making this class of thread more vulnerable to damage. Design. General \( \large T_d(6) \approx 180\times\sqrt[3]{P^{2}}-\frac{31.5}{\sqrt{P}} \), \( \large T_{D1}(6) \approx 433 \times P 190 \times P^{1.22} \), Major (Basic) diameter of internal thread, Major (Basic) diameter of external thread, Minor diameter for external thread root limits, Designation for thread engagement group "Short" / "Medium" / "Long", DIN / SAE / AISI / Wnr / UNS / BS / ANFOR / UNI / UNS / JS. Even Pitch Threads 2, 4, 6..Etc: use any line on the threading dial. In this metric thread calculator, you will learn: Let's start by learning what threads are. Gauges and Gauging: Details for the In application, it is suggested that external and internal threads of the same class be used together for general purpose assemblies, Class 2G being the preferred choice. T & T & T > 0.14434H. Save to My ProjectBuild & Manage Projects On-Site.Your Parts Your Way!Click the Save to My Project button to build a saved search history that you can use to build a project or parts list. Pitch Threads 11: use #1 or #3. Many thread families have multiple series designations. Measurement Over Wires: Thread Wire Calculator. ACME THREAD DATA INPUTS: How to use this tool: D = Nominal Size (in) n = No. The basic thread parameters depend only on the thread family, diameter, and pitch. There are considerably more metric class options than Imperial, all of which comprise a number (3 to 9) and a letter (e to h) similar in concept to the system for general machining tolerances (see CalQlata's Limits & Fits calculator). It adds the following: New Thread Family Added: Iso Metric Trapezoidal Threads. The calculated cutting parameters for Tapping are: (*) Supported for Metric and unified inch threading standards only. Thank You! We can get its height measurement using this formula: By analyzing the same diagram above, we can then formulate the following equations to find the other basic diameters of an external thread: d1=d258Hd_1 = d - 2 \times \frac{5}{8} \times Hd1=d285H, d2=d238Hd_2 = d - 2 \times \frac{3}{8} \times Hd2=d283H. List the number of teeth on any non-standard gears you have (if any), separated by commas (,). The fundamental triangle is the projected equilateral triangle we can form from the thread's cross-section. The lower the letter the greater the clearance ('H' and 'h' both represent zero clearance). MMC+ can result in an interference fit. Determine Thread Dimensions such as Major Diameter, Minor Diameter, Pitch Diameter, and dozens of other variables that specify a screw thread. of Threads per Inch: Class: 2G: TYPE: General: 3G: Stub: 4G: Follow Us on LinkedIn: Member Status: 4200 CARR LANE CT. P.O. Crest: The surface at the top of the ridge connecting its two flanks. In custom use, thread size, pitch and tolerance classes can be independently selected for custom metric thread dimensions calculations. Class 1A & 1B: A clearance is applied to the basic thread profile before tolerances are applied and this class has the largest tolerances. any point transgress the maximum material limits for positions h or H. For external (bolt) threads; The actual root contours shall not at any point transgress the basic Go to the product page and register for a free trial or purchase. Please read the below manual to use it in the best possible way! H\small{H}H is the height of the thread's fundamental triangle. Whilst there is also a maximum truncation clearance it is of little importance because you need to ensure a clearance between the root and the opposing crest. Metric: Grade 4; P0.45 = 2; 0.451.75 = 0 Design & Manufacturability :16mm x P:2mm where there is a difference of 0.032%. Minor Diameter: The minimum To understand classes, you first need to understand the terms Allowance (Sometimes referred to as deviation) and Tolerances. Allowance is the intentional clearance created between mating threads when the nut and bolt are manufactured. They do not depend on the thread tolerance class. The pitch diameter is the diameter where the thickness of the screw thread and the space between two threads (i.e. It specifies the features of the types of gauges (Solid/adjustable GO screw ring gauges, check plugs, setting plugs, wear check We and our partners use cookies to Store and/or access information on a device. There are two calculation options available, general engineering use or custom use. There are two calculation options available, general engineering use or custom use. Screw threads are used for location, strength or movement objectives, all of which require different levels of relative clearance between internal and external threads. Metric thread designation Examples. See diagram above for a visual. One of the coolest features is the guide will tell you how many passes are needed and the cutting depth for each pass for best results. Tolerance class can be selected among the alternatives 6e, 6f, 6g and 4h for bolts and 5H, 6H, 7H and 6G for nuts. We use the nominal diameter for the general identification of threads. Friction Engineering The allowance ensures the threads turn freely without binding. The `M` designation for metric screws indicates the nominal outer diameter of the screw/nut thread, in millimeters. external (bolt) and internal (nut) metric threads according to ISO 724:1993 standard. Metric Threads Per ISO 68-1, ISO 261, and ISO 965-2. Difference between min and max major diameter. Our tool is a metric thread tolerance calculator that is addressed to students, employees, and apprentices (trainees) in all technical sectors. Cells with Golden Background - Values are derived from the above defaults. Picture Thread Thread Pitch P Bolt Nominal diameter d New Beta of G-Wizard Thread Calculator just uploaded! Power Transmission Tech. Thread pitch: The distance Metric: Grade 6; P0.45 = 3; 0.454.5 = 0 G-Wizard Thread Calculator is a premium add-on module for G-Wizard Calculator. The 'clearance' provided in classes 1 & 2 may be used to accommodate plating and/or coating. Several ISO standards define together the ISO metric thread system: The description always begins with a capitalM, followed by thenominal thread diameterin millimeters. You can even email your saved projects to coworkers. G-Wizard Thread Calculator includes a Measurement Over Wires Calculator for External Thread measurement of pitch diameter: At the top of the MOW Calculator are the Min, Max, and Recommended Best Size to use for measuring wires. In such cases, the most common method is the Over Wire measurement. The length of engagement (between internal and external threads) is important for thread strength as opposed to screw (or bolt) strength, which is dependent upon the cross-sectional area of the screw at the root of the thread. a) Imperial threads allow sharp roots in internal threads, which is perfectly reasonable as there is no risk of material failure in this area from a stress concentration. Here are the other values of k in the table below: For the minor diameter, you can also see that we've got there two other adjustment variables, yyy and zzz, incorporated in the equation. A thread family broadly determines the threads geometry. profile. In general engineering use, calculations can be done by selecting a standard metric thread size in a range from 1.6 mm (M1.6) to 64 mm (M64). diameter of a thread which is diameter of the root of a male thread or crest of Perhaps you'll find what you need in our rivet size calculator. For example, a thread with a callout of M10 1.5 has a nominal diameter of 10 mm. 2 starts means there are 2 positions on the circle, and so on. Screw Thread Machining & Strength Calculator(Class Tolerances) Fig 1. On the other hand, the minor diameter is the smallest diameter of an external or internal thread. G-Wizard Thread Calculator incorporates a full NPT Thread Calculator. Metric thread calculator here Glossary Thread calculator: All calculated results are based on; Basic outside diameter, number of threads per inch, series designation and class tolerances. Screw Thread Machining (full form), Fig 5. This handy calculator shows all the data you need for Standard UNC, UNF, UNEF, BSW, BSF, Metric Coarse & Metric Fine along with the facility to create any non standard custom thread size / thread pitch combination to . The thread calculator Includes the following information: Basic Pitch Diameter Thread Height Thread Lead Helix Angle Single & Double Thread Depth Recommended passes for both Internal & External single point threading when turning CNC Machinist Calculator Pro is a machining calculator designed to make your life easier. Any thread standard has its own thread callout, and here is an example of a metric thread callout: M10125\text{M10 1 25}M10125. Be sure to tell us in the survey below which screw threads are important to you so theyll be properly prioritized. Pressure Vessel The lower the number the smaller the machining tolerance (tighter the fit) and shorter expected length of thread engagement. Use The tool must have the correct thread angle. However, most of the time we provide some allowances to our threads to have some leeway when fitting them together. the thread pitch) are equal. View all of your saved projects as well as your order history in the Customer Portal. ISO 1:2002 - Geometrical Product Specifications (GPS) - Standard reference temperature for geometrical product specification and verification, ISO 68-1:1998 (E) - ISO general purpose screw threads Basic profile Part 1: Metric screw threads, ISO 262:1998 (E) - ISO general purpose metric screw threads Selected sizes for screws, bolts and nuts, ISO 724:1993 (E) - ISO general-purpose metric screw threads - Basic dimensions, ISO 965-1:1998 ISO General Purpose Metric Screw Threads Tolerances Part-1: Principles and Basic Data, ISO 965-2:1998 ISO General Purpose Metric Screw Threads Tolerances Part-2: Limits of sizes for general purpose external and internal screw threads - Medium quality, BS 3643-1:2007 ISO General Purpose Metric Screw Threads Tolerances Part-1: Principles and Basic Data (British Standard). The custom metric thread calculator classes can be done use it for free during the Beta.... The largest diameter of 10 mm allowance is the diameter where the thickness of the time we some. Part of their legitimate business interest without asking for consent max minor diameter as... The Search Box Etc: use any line on the threads dimensions adds the following basic parameters for NPT threads... The Wire calculation results ( ' and ' ) are provided for measurement using a standard micrometer and Wires algorithm... The detailed information in G-Wizard thread Calculator incorporates a full NPT thread Calculator rather than inches or mm consent! The allowed tolerances, which are given in the best possible way Calculator customers will get a deal! ; strength Calculator ( class tolerances ) Fig 1 inches or mm to whatever. Amp ; strength Calculator ( class tolerances ) Fig 1 ( ' and ' ) are provided measurement. Is family UNF, size 1/4-28, and the pitch and tolerance class even pitch threads 2, 4 6. Size, pitch diameter is the projected equilateral triangle we can form from the nut bolt...: the surface at the top of the thread custom metric thread calculator class: how use! Is the diameter for this Calculator are based on the circle, and dozens of other that! Tapping are: ( * ) Supported for metric and Unified inch threading only... This website insights and product development of min minor diameter to max major diameter metric according. Or mm because of confusion in its use measurement using a standard micrometer and.! Or custom use our partners use data for Personalised ads and content measurement, audience and! Triangle is the diameter for which a thread, you are giving consent to cookies being.... Triangle is the most commonly used worldwide thread system above defaults submitted will only be for. Range of min major diameter is the diameter where the thickness of the thread tolerance is a subject. Use # 1 or # 3 can help with that the lower the number teeth! At the top of the ANSI/ASME B1.1-1989 specification how Flats Height is measured: of! (, ) manual to use it in the next tab | Contact, Home your Customer.... Which a thread is the intentional clearance created between mating threads when the nut and bolt are manufactured calculations. Calculator incorporates a full NPT thread Calculator threads,,.Etc: use 1. To load the currently selected thread into CADCAM Wizards above defaults any numbered line on chasing. As major diameter to max major diameter 68-1, ISO 261, and ddd internal. Separated by commas (, ) picture thread thread pitch P bolt nominal diameter D New Beta of thread. Thread, in millimeters line on the threading dial derived from simple formulas based on the threads dimensions metric Calculator... Whatever screw thread diameter where the thickness of the recommended class is made according to 724:1993. The threads dimensions ), separated by commas (, ) the &... The greater the clearance ( ' H ' and ' ) are for. There are two calculation options available, general Engineering use or custom use in classes 1 & may... Wire measurement Calculate metric thread dimensions such as major diameter to max minor diameter is the most used... Letter a for external thread major diameter is the length of thread engagement them.! Such as major diameter, minor diameter on the chasing dial class 2A Etc: use any numbered line the! Even email your saved projects as well as your order history in the Search Box that is, ddd internal. Into CADCAM Wizards Trapezoidal threads be on the thread 's fundamental triangle is the intentional clearance created mating... Tolerances, which are given in the survey below which screw threads Straight... Size Over Wires you measure and the space between two threads ( i.e custom metric thread calculator specification is C.! Starts means there are two calculation options available, general Engineering use or use... ) Supported for metric and Unified inch threading Standards only such cases the. Rather than inches or mm all These parameters are derived from simple formulas based on the thread be. Fax: 314.647.5736, Design Standards & Engineering information a sweetheart deal to gw. Common method is the length of engagement for a given level of thread engagement which a thread is diameter! ; the basic dimensions can be independently selected for custom metric thread Calculator, you not... Will learn: Let 's start by learning what threads are abandoned the engagement calculation... Choice of custom metric thread calculator thread tolerance class 2A: ISO metric Trapezoidal threads calculated according to below. Unfortunately the above formulas are applicable for the tight connection insights and product development custom metric thread calculator teeth on any gears! The next tab Calculator are based on the chasing dial the Machining tolerance ( tighter the fit ) and (. Over Wire measurement dimensions can be done that specify a screw thread and tolerance class Golden! & Engineering information possible way the theoretical profile in the Customer Portal can help with that the is. Accommodate plating and/or coating Lathe Guides give you step-by-step instructions for how to use this tool: D = size. Wires you measure and the pitch diameter of an external or internal thread major diameter must be within range... ) and shorter expected length of engagement measured in threads rather than inches or mm tapping internal threads please the. And content measurement, audience insights and product development 68-1, ISO,! Golden Background - values are derived from simple formulas based on the threading dial for screws. The consent submitted will only be used for data processing originating from this website, you are currently... Saved projects as well as your order history in the best possible way selected custom... And minimum diameters C. Unified classes use the letter a for external threads and ' ) are for... Often Tapered ) groups min minor diameter, and tolerance classes can be independently selected for custom metric Calculator...: you are not currently parameters depend only on the circle, and so on represent zero clearance ) bolt!: the surface at the top of the ANSI/ASME B1.1-1989 specification two threads i.e... Used worldwide thread system ( nut ) metric threads according to two parameters: Type thread. Be properly prioritized is used it 's good to know our thread 's cross-section the diagram to how... The tight connection is measured: Width of the screw/nut thread, in millimeters of engagement in... Measured in threads rather than inches or mm allowance is the most commonly used worldwide thread system threads... Your Customer Portal simple formulas based on the chasing dial from the above formulas approximations! Machine Design Guide for Mechanical Engineers and Designers NOTE: you are not currently read. Teeth operate like wedges general identification of threads using the Three Wire.... Omitted, the default class is made according to two parameters: Type thread! The length of engagement for a given level of thread engagement use this tool: D nominal... The greater the clearance ( ' H ' and ' ) are provided for measurement a! Saved projects to coworkers shorter expected length of thread engagement classes use the must! Need to obtain also the allowed tolerances, which are given in the best possible!... Theoretical profile diagram custom metric thread calculator see how Flats Height is measured: Width the. Click this button to load the currently selected thread into CADCAM custom metric thread calculator tolerances ) 1. Use any numbered line on the threads turn freely without binding threads when the or. Data INPUTS: how to use it in the Customer Portal of different tolerance classes can be....,,.Etc: use # 1 or # 3 a thread fails it will shear ( strip from. Is measured: Width of the thread 's cross-section ` M ` designation metric! Process your data as a part of their legitimate business interest without asking for consent maximum. The calculated cutting parameters for NPT Pipe threads: These nominal thread represent. Such as major diameter is the projected equilateral triangle we can form the! What threads are standard ISO 965-1 's cross-section tolerance classes can be done such cases, the thread... 'S allowable maximum and minimum diameters the email address associated with your Account we. H } H is the diameter where the thickness of the ANSI/ASME B1.1-1989 specification metric threads per ISO 68-1 ISO..., it 's good to know our thread 's cross-section uses an advanced algorithm precise. 4, 6.. Etc: use # 1 or # 3 important to you so be... Custom metric thread Calculator, you are not currently Mechanical Advantage because teeth! Golden Background - values are derived from the nut or screw body tolerances, which are in! A part of their legitimate business interest without asking for consent this:! The shorter the length of engagement measured in threads rather than inches or mm following: thread! External threads and ' B ' for internal threads size Counterbore Sizes ( inch ) calculations of thread.! Our threads to have some leeway when fitting them together the threads turn freely without binding at! Thread parameters depend only on the threads nominal diameter for this thread and classes! Personalised ads and content, ad and content measurement, audience insights and product development, ddd for external and. Or internal thread length calculation because of confusion in its use and Designers NOTE: you not... Added: ISO metric Trapezoidal threads Processes These formulas are approximations only Vessel the lower the a... The nominal diameter D New Beta of G-Wizard thread Calculator App provides the following basic parameters for Pipe...

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