# how to measure a leaf spring

## Supply All Kinds of Springs

Kathysia industrial Co., Ltd was reorganized from Zhengzhou spring factory, which founded in 1957, having more than 60 years of professional experience in this field. Kathysia is a designated spring products supplier by the Chinese ministry of machinery industry, and a member of China spring association.

We Supply all kinds of Springs for all applications, If you can’t find a stock spring for your application, or would like to match a competitor’s spring not offered through this website, Our engineering staff is ready to answer your questions or assist in designing the right spring for your application.

## Contact Kathysia Industrial for Your Custom Springs

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## How To Measure Leaf Springs - EATON Detroit Spring

The Right Way To Measure Leaf Springs. You need to measure the spring as though the spring were flat. Relax, that doesn’t mean you need to learn advanced calculus. All you need is this handy picture and your own trusty measuring tape.

## How to Measure and Idenify Leaf Springs - TruckSpring

And for a Single Point style leaf spring, measure from the center bolt to the end of the main leaf in both directions along the arch. End hole size and distance from the center bolt must be checked. End hole size and distance from the center bolt must be checked.

## #1 Source For How To Measure Leaf Springs - General Spring

Leaf spring height. The height of a leaf spring is determined by the thickness of the springs from top to bottom, as well as the space that fills the arch. Therefore, height is determined by more than just the measurements of the center bolt.

## How Do You Measure Leaf Springs? - Bright Hub Engineering

From the engineering point of view, designing a leaf spring can be critical, requiring many considerations in order to produce the most suitable design that is able to sustain the calculated loads and help absorb shocks optimally. Fundamentally, the parameters required for the calculations of leaf springs are: Bending Moment, Moment of Inertia, Resisting Moment, and; Central Deflection; Let's derive and learn

## Steps to Identify and Measure a Trailer Leaf Spring - www

Measure the length of the spring. If you are replacing a spring, getting the same length is important. To measure the free length, refer to letter “C” below. It is important that your trailer is unloaded when measuring the length. When determining length (C), measure from the center of one spring eye to the center of the other spring eye for double eye springs.

## how to measure trailer leaf springs replacement

Nov 11, 2016  how to measure trailer leaf springs replacement ? Step 1: Determine Type of Trailer Spring. Step 2: Measure Width of Spring. Step 3: Measure Length of Spring. Step 4: Determine Capacity. Step 5: Measure Free Open and Arc of the Spring.

## Technical Information - Trailer Leaf Springs

Measure the length of the spring when the spring is not under load (jack up trailer by the frame), this is the free length of the spring. Measure from the center of the front bushing in a straight line to the center of the rear bushing for DOUBLE-EYE leaf spring, or to the furthest inside point of an OPEN-EYE leaf spring.

## How to Measure Trailer Leaf Spring to Find Correct

To correctly measure a leaf spring, you'll want to jack the trailer up on jack stands so the axle is hanging freely, then measure directly across from the center of one spring eye to the other, as shown in the provided diagram.

## How to Measure Replacement Trailer Springs

Determine the Type Of Trailer Spring trailer leaf springs - video Overview. Accurately measuring your trailer springs and choosing Measure the Width of the Trailer Spring. Measure the width of the spring. Determine the Capacity of the Springs. Determine the rating of your trailer axle and then

## Steps to Identify and Measure a Trailer Leaf Spring - www

Measure the width of the spring. The majority of trailer springs for boat, motorcycle, horse, camping, flatbed, and utility trailers range from 1-3/4 to 2 inches wide. To determine the width, measure across the top of the top leaf. Measure the length of the spring.

## How To Measure A Leaf Spring Axle - A & A Center Trailers

First measure the hub face to hub face length. The hub face is where the wheel mounts. Write down the total inches of this axle measurement. Next, if the axle has spring leaf suspension, measure the length from the center of one spring seat to the center of the other.

## Technical Information - Trailer Leaf Springs

Measure the length of the spring when the spring is not under load (jack up trailer by the frame), this is the free length of the spring. Measure from the center of the front bushing in a straight line to the center of the rear bushing for DOUBLE-EYE leaf spring, or to the furthest inside point of an OPEN-EYE leaf spring.

## How to measure trailer leaf springs - Know About Life

3 Measure the spring width across the top of the leaves perpendicular to the spring length. 4 Place the tip of a measuring tape in the centre of a double-eye or open-eye spring. Stretch the measuring tape in a straight horizontal line to the centre of the other eye to obtain the length.

## How To Calculate Spring Rates – How To Adjust And Tune

May 10, 2018  The more accurate route to measure the stiffness of your leaf springs is to test them practically if you have the correct load application equipment. To test the load you need to disconnect the axle form the spring and move it away from directly below the spring.

## How to Measure a Trailer Leaf Spring - www.tvimpermeabilizzazioni.it

To measure for the correct leaf spring length, you should jack up the trailer so that the axle hangs free, then measure straight across from the center of one eye to the center of the other eye. Because springs tend to flatten out as they wear, this the best way to get an accurate measurement.

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## LEAF SPRINGS Height Dimensions

If you place the original MGA leaf spring upside down on the floor, then start measuring from the floor up, you get: 0.22 = Thickness of top loop 1.25 = Eye inside diameter 3.60 = Free camber 1.31 = Spring thickness (7/32 x 6 leaves) 0.22 = Bottom plate (short, flat, non-functional) 6.60 = Total spring height, not including center bolt

## How to Measure U Bolts on Your Vehicle - General Spring

How to Measure U-Bolts on Your Vehicle. The U-bolts are made to form around the leaf springs and stretch as the nuts are tightened down on the rod. The metal of the U-bolt is soft enough to move with the torque and pressure from the axle and the drive shaft, making is flexible enough for the leaf springs to absorb impacts along the road.

## How to Measure A U-Bolt - WW Friedline Inc. Somerset PA

The U-bolt size is given as Diameter(A) x Distance(B) x Leg Length(C). Additionally the bend type must also be given to avoid problems in specifications of semi-round bend shapes. Forged top U-bolts are best ordered by application and leg length since the type of forging is usually unique to the particular application and must be maintained to provide proper fit and clearance.

## Spring Measurements and Specifications - Quality Spring

Follow the guidelines below for the type of spring you have to determine your springs measurements and spring specifications. How to measure Compression Springs, Coil Springs and Helical Springs (These spring types are all the same) To Measure your coil springs correctly See diagram to the right for explanation. ------------------------------->.

## Boat Trailer Leaf Springs for all Brands and Sizes of Boat

Boat Trailer Leaf Springs. It is very important when selecting the correct leaf spring to take precise measurements to determine exactly what you need. There are 3 Main Types of Trailer Leaf Springs as seen Below. First Decide which type you need, then length, and finally carrying capacity. It is also important to keep in mind that all 3 Types

## Welding perches onto axle and setting Pinion Angle? - The

Oct 03, 2012  Shimming the spring perch pad is last resort-when all else fails kind of thing. The other thing you should avoid is to shim/adjust the tranny to get the angle. The rear goes straight up an down in a leaf spring car, so it can't rotate. You know the height

## How to Measure Leaf Springs - Questions Smart Suppliers Ask

How to Measure Leaf Springs. When you are looking to repair, replace or upgrade your leaf spring suspension, smart suppliers will ask you relevant questions about what suspension you currently have in your vehicle and what you are trying to achieve or address.

## How To Measure Leaf Springs - BlueMax Suspension

How To Measure Leaf Springs. How To Meausre Leaf Springs! Hand up if you have been broken down in the dessert with broken springs. Only to find when the springs finally arrive, they don’t fit because you didn’t measure the springs correctly. Don’t let this be you So when you are looking to repair, replace or upgrade your leaf spring suspension,

## Composite Leaf Spring Dimensions - Tech Tips - Hyperco

To measure the arch, place the spring on a flat surface with the arch up. Measure from the floor to the bottom of the spring (‘H’ in the diagram), and then subtract 3/4″ from the total length. For the Chrysler the overall length (eye to eye) is 53 7/8″ and the pin to eye length is 20 1/2″ (‘L’ in the diagram).

## How To Measure a Leaf Spring - Performance Online, Inc

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## How to Measure Leaf Springs - Questions Smart Suppliers Ask

How to Measure Leaf Springs. When you are looking to repair, replace or upgrade your leaf spring suspension, smart suppliers will ask you relevant questions about what suspension you currently have in your vehicle and what you are trying to achieve or address. For example; are you looking for improved load carrying, more height or ground clearance,

## thesuspensionking.com

How to Measure a leaf spring. (A) Measure leaf springs from center of eye to (C) center pin from the front part of the eye and then the (B) rear eye. Measure with the curve of the spring. Measure spring width and count how many leaves. And measure the total thickness of the leaf spring pack. Measure bolt or pin diameter that goes through the spring bushing eye.

## Selecting Replacement Trailer Leaf Springs - Centreville Mfg

Here are some terms that are important to know regarding leaf spring measurements: Overall Length – The complete overall length from one end to the other. Length – Depending on the type of spring the length is determined slightly differently. Double eye leaf springs are measured from center of

## How-To-Guide: Measuring Trailer Springs for Replacement

Jan 03, 2018  Measure the width. Using the top leaf, measure the width of the spring along the center. (Most trailer springs are 1 ¾ inches wide.) Measure the length. Ordering the same length spring as the ones currently on your trailer is important. Calculate the capacity. For this you will need to know the rating of your trailer axle.

## How to measure an Axle for a boat or utility trailer

You will first have your trailers leaf spring hanger system mounted to the frame of your trailer. These assemblies differ from difference types of trailer frames. They essentially are U-Shaped Metal pieces that hold your leaf springs. We call them Leaf Spring Hangers. On Steel Box Tubing Frame trailers, they are welded to the frame of the trailer.

## LEAF SPRINGS, Spring Rate vs. Height

Then you can inspect and measure the leaf springs to see if they are very close to being flat. For calculating the spring rate you need to carefully measure thickness of the leaves. This is easy with new springs. You might measure total thickness of the spring stack near the center, then divide by number of leafs to get the thickness of each leaf. But this is trickier with worn springs.

## How To Measure Trailer Suspension Parts - www.tvimpermeabilizzazioni.it

Jan 03, 2012  1 - SPRING HANGERS . Spring hangers are the first step for attaching springs to the trailer. They are welded to the trailer, taking into account how many axles the trailer will use. There are 3 styles of hangers: standard, rear eye, and front hangers. Take a look at the measurements and styles used to select a spring hanger.

## FAQ

An Add-A-Leaf is a extra leaf added to a leaf spring pack. Add leafs are installed to increase vehicle carrying capacity or to create a firmer ride.. They are also used to lift vehicle ride height.

## How To Measure a Trailer Axle – Pacific Trailers

Dec 12, 2016  Trailer Axle Spring Center Pads. Trailer axle spring center pads are locating or centering pads that can be welded or left loose and are meant for the leaf springs to mount onto. Springs pads can be located at the top or bottom of the axle main beam. DO NOT drill holes in

## Tech Support :: SuspensionMAXX

SuspensionMAXX Adjustable Leveling Kits. Less expensive than lift kits. Adjustable torsion bar keys, extended sway bar links. Chevy, Ford, Dodge, Toyota, GMC, Hummer and more. Get the "Just Right" amount of leveling lift for your needs with a SuspensionMAXX adjustable leveling kit.

## Trailer Axles 101 – Terms & Measurements To Know – Springs

Spring Type (for Leaf Springs) With leaf springs it’s primarily Eye-Eye, or Slipper type springs. This has to do with how the springs interact with the frame for mounting. Typically Eye-Eye styles are best with lighter trailers (both single and multiple trailer axles). Then, use slipper springs

## The Only Way to Measure Leaf Springs - Hotrod Hotline

So the ONLY way to measure the length of a spring is as though the spring was flat. Follow the curve of the spring measuring from the center of the front eye back to the center bolt (A). Then measure from the center of the other eye back to the center bolt (B).

## Trailer Axles 101 – Terms & Measurements To Know – Springs

Spring Type (for Leaf Springs) With leaf springs it’s primarily Eye-Eye, or Slipper type springs. This has to do with how the springs interact with the frame for mounting. Typically Eye-Eye styles are best with lighter trailers (both single and multiple trailer axles). Then, use slipper springs for heavy, multi-axle applications.

## How to measure springs/spring order form Eye & slipper spring

RECORD SPRING MEASUREMENTS AS FOLLOWS Step 1. Measure along the edge of the main leaf following the curvature (i.e. follow the top leaf ) from the centre of the eye (A) to the centre of the bolt hole (D). Step 2. Repeat the same from the tail end of spring (B) to centre of the bolt hole (D). Step 3. Measure (C to D) and give approximate camber.

## how to measure leaf springs. - Page 2 - CLASSIC K5

Oct 31, 2017  They measure 8” to the bottom of spring pack including the overload to a string tied from center of eye bolt to eye bolt on 52” springs. blazer74 , Oct 28, 2017 #27

## Welding Leaf Spring Perches - www.tvimpermeabilizzazioni.it

You measure from the edge of the housing to the edge of each perch until both measurements are exactly the same. With the jig level, rotate the housing so that if it had a center section in it, the pinion would be pointing up 5 degrees on your angle finder.

## Utility Trailer Springs - Atlas Spring Service

Measure the length of the spring (see diagram below) when the spring is not under load, this is the free length of the spring. Be sure to measure from the center of the attaching eye in a straight line to the middle of the other eye or contact point, except Radius End, which is measured from eye to end of spring.

## Leaf Spring Tech: Shackle Length & Shackle Angle

This can be achieved by drawing an imaginary line through the middle of both spring eyes and making a 90 degree angle. The angle can be increased or decreased slightly to change spring rate. Click below to share your leaf spring knowledge and experience on the forum.

## Suspension U-bolts - Leaf Spring U bolts

How to measure a Leaf Spring U-bolts. Regardless of the bend type, all Leaf Spring U-bolts are measured in the same manner as shown here. The U-bolt size is given as . Diameter (A) x Distance Between Legs (B) x Leg Length (C). Additionally the bend type must also

## How to Heat Springs to Lower a Car - It Still Runs

Apply heat to the spring. It will start to glow red, and the spring will start to collapse. Remove the torch when you start to feel like you're in the ballpark of your desired ride height. This isn't an exact science, as there's no way to know how quickly your spring will collapse, so apply heat and remove quickly for short amounts of time.

## Axle, Suspension, Leaf Spring U-bolts - Stengel Bros. Inc.

Complete Leaf Spring U bolt kits that include two U bolts with deep nuts and hard washers. Click U-bolt type that you require to go to further detail. If you don’t see a U bolt that meets your specifications in our catalog, please use our inquire form .

## Measure Your Lift Kit - Vitality Pedia

I bought a 94 Jeep xj from a guy and his has a lift kit and I he did the add a leaf thing,.( I dont like it ). I want to buy new leaf springs for it but i cant tell what size lift kit is on itwhere can i measure to find out?

## How to Measure a Compression Spring - The Spring Store

In most cases, if the spring's wire diameter is off by 0.001" it'll affect your spring's rate and travel so one must have exact measurements when measuring a spring. Another thing you must focus on is your end types. The end types available are the following: Feel free to visit our Free Online Compression Spring

## How to Determine If Your Leaf Springs Are Weak - It Still Runs

How to Determine If Your Leaf Springs Are Weak. Park the car on a level surface. Placer the level on the roof of the car. Make sure that it is in the center. If the car is out of level in the back of the vehicle, then the leaf springs may be bad. To test this, push down on the rear of the car.

## how to measure leaf springs. - K5 BLAZER NETWORK

Oct 28, 2017  im not sure they even make a 10" rear spring? i had a set i picked up and called skyjacker to find out what size the were, they told me run a string eye to eye then from the string to the bottom of the leaf pack and that is what size it is, if they are off the

## How To Measure A Leaf Spring - Hitchweb

Apr 23, 2014  How to measure a leaf spring. The 5 features to identify a leaf spring: Width; Free Length; Number Of Leaves; Flat Length; Eye Size; Width: A measurement across the bottom of the spring leaves. Corresponds with the width of the spring seats . Free Length: A measurement of the length of the spring from eye to eye (or eye to end of slipper for a slipper spring). For this measurement, the tape should be

## How to Measure & Install Solar Screens

Measure in multiple places and note the smallest width. Subtract 1” to allow for clearance on each side for the brick clips. Record this number as the width. Height - measure from the bottom of the brick frame to the top of the window frame. Subtract ¼” for clearance. Record this number as the height.

## Solid Axle - How to Measure For a Spring

Sep 16, 2016  Measuring For A Spring Method A: If you are using an axle with vertical perch bolts holes, you simply measure center to center of the spring perch bosses (taken from

## Leaf Spring Technical Information - Landrum Performance

WHAT’S EXPECTED OF A LEAF SPRING. Leaf springs perform the following tasks: Holding the chassis at ride height. Controls the rate at which the chassis rolls. Controls the rear end wrap up. Controls axle dampening. Controls lateral forces such as side load, pan hard, or side bite rate. Controls brake dampening forces.

## How to measure an Axle for a Boat Trailer or Utility Trailer

If they can be re-used, that's great! We have two main diameters of leaf spring bolts, 1/2 inch and 9/16 inch. Measure the thickness of your bolt while you are investigating the condition of them so when you come back you will be able to select the correct replacement.

## leaf spring length chart? - www.tvimpermeabilizzazioni.it : 4x4 and Off

Jan 12, 2016  leaf spring length chart? I saw on a post someone posted a leaf srping length chart. Does anyone have a link? I am trying to do research but obvioulsy failing. First one was built from threads hear on Pirate, and people measuring the leafs or such. Wasn't good enough for me, so found a good spring web page and the rest is history.

## Traction Bars! The Way to Eliminate Axle Wrap!

Adjust the rubber snubber for a softer or firmer ride. Start with a half-inch to an inch from the leaf spring. Then you can adjust from there. 'Caltrac' style bars work differently, but end up with the same reaction. They stop the twist of the axle and spring and make the tires dig in and go.

## RV.Net Open Roads Forum: Fifth-Wheels: trailer leaf springs

Apr 01, 2010  To measure the leaf spring, I would simply "jack up" your trailer and install axle stands under its frame. Remove the broken spring and take the entire leaf spring pack to your local RV dealer. Ask them to measure it. And, ask them for a replacement selling price as well.

## Spring Rate Calculator - The Spring Store

k = Spring Rate (Spring Constant) na = Active Coils; v = Poison's Ratio of Material

## How to Calculate Spring Weight - Quality Spring

Definition: The calculation of the mass weight of a coil spring based on its wire size, outer diameter, number of coils, and density of wire. Can be calculated using the corresponding formulas and equations. Calculating the weight of your spring is necessary for both engineering and manufacturing reasons.

## Racing Tech: Hooking Up Your Leaf Spring Suspension

Mar 01, 2019  They measure 53.5-inches eye-to-eye and have a true arch of 6-3/8-inches (this is very close to the stock arch). The eyes are standard GM sizes—2.0-inches in the front and 1.5-inches in the rear. AFCO Racing claims their leaf spring is the highest quality racing spring available today, and provides features not available in any other leaf spring.

## FAQs & Tech - Alcan Spring

A spring-over setup is going to articulate easier than a spring-under mostly because the spring-over is flatter so the main leaf can roll up on its side (twist) easier. The spring-under setup in a 5" lift or higher will not articulate as easily in a light-weight vehicle.

## Leaf Springs Calculator − Leaf Springs Stiffness Rate in

Calculate the leaf springs stiffness rate in wheeled vehicles through online Leaf Springs Calculator by applying the appropriate formula and entering the values. k=8Enbt3/3l3

## The Ranger Station

Convert the fractions to decimal. For example: 2 1/2 inches should be input as 2.5 inches. Leaf spring rates are determined primarily by the length, number, width, and thickness of the leaves in a spring pack. But other factors, such as if the leaf ends are tapered or diamond cut, can impact a spring rate.