The number following it is the outsidelength of the belt in tenths of inches. 01122011 Add a small cable tie around the v-belt to be measured and use that for marking the start and aligning it to the start marker you taped to the ground.
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V belts are the most commonly selected belts for power transmission.
How to read v belt numbers. After every prefix is a three-digit number that indicates the V-belts length in inches. With a cogged V-belt the inside of the belt is notched for gripping. It is recommended you change your fan belts every three to four years regardless of how they look.
The belts are generally endless and their general cross-section shape is trapezoidal or V shaped. You will notice that all V belts also sometimes referred to as wedge shaped belts are measured across the top think section and the depth of the belt. 31082010 V-Belts Combine cross section designation with Outside Circumference OC to the nearest whole number plus a zero to determine Belt Part Number.
Measure with a tape on the outside to check. The V belt wedges into the groove as the. The inside length of the belt is typically 2.
6 PK 2895 6 The 6 indicates the number of ribs on the belt. Follow the simple steps below to learn how to read V-belt codes. Different brands as well as different pulley types have different ways that they may display these numbers.
Wide tape around the tops of the pulleys to be sure a 41. Sat Nov 29 2008 827 pm Post subject. V-Belt codes allow us to identify the belt profile and its length.
Combine cross section plus Inside Circumference IC to determine belt part number. Is also called a v-belt. 4A73 is a 4 banded belt.
This is also known as the belt profile. The number following it is the outside length of the belt in tenths of inches. An additional option is to wrap a small diameter stringrope around the belt then measure the length of the string.
Sometimes there is an X designation in the belt specification. Back to Technical Info. Less for a 4L belt and 1-12.
This means you would measure the widest part of the belt thick section and then from the widest part to the narrowest part of the belt. Until I began to specify belts for HVAC Accessory fans and motors I thought a belt was just a belt. A double-sided V-belt has a V-profile on both sides of belt and a hexagonal cross section.
Roll your v-belt on the ground along the measuring sticks until you went one full circle. Step 1 Read the outside surface of the belt for the prefix 4L or 3L. All the belts described above have a 40-degree angle this is the part that makes the belt look like the letter V.
How To Read V-Belt Numbers. 21102015 HVAC The Basics of V-Belts. If you have more questions call us 260-426-4673.
X designates molded notch construction. Locate the number on your existing fan belt. Less for a 3L belt.
How To Read V-Belts Numbers. 03112016 Effective length of the belt expressed in millimeters. How to measure the belt.
The easiest way to identify a v-belt pulley is by finding the part number or identification components on the pulley its self. Included in the product number have a 30-degree angle instead of the standard 40 degrees. There are so many belt types.
Automotive belts start with either 4L 125mm wide or 3L 95mm. As their name suggests they are designed for. PK PK indicates that this is an automotive micro-v belt measurement in millimeters.
If the branding on the v-belt is still intact the easiest way to identify it is to simply read the part number. How to Identify a V-Belt Belts with Branding. Belts that have the letter V.
A six rib belt would start 6PK a five rib belt 5PK and so on. 24062021 Banded Two or more v-belts joined to form a single belt allowing the belts to function as a single belt with equal load distribution and wear. An example would be 4L460 which would be 46.
X designates molded notch construction. To do that you have to be able to read the numbers on it. Outside the surface of your belt you will find the prefix eg.
Because it is shaped like the letter V. Less for a 3L belt. Take the measure and interpret it as effective length Lw of the v-belt which it is approximately.
Belts are NOT measured by diameter nor folding the belt in half. This belt is made of rubber and powers everything from your vehicles water pump to the alternator. V-Belts Combine cross section designation with Outside Circumference OC to the nearest whole number plus a zero to determine Belt Part Number.
Top width 5VX belt with 80. Variable speed V-belts and V-ribbed belts are wider than standard belts. Less for a 4L belt and 1-12.
All V-belt numbers start with either a 4L or 3L which indicate 125mm or 95mm belt widths. 3V 5V 8V 3VX 5VX 8VX 38 2164 58 3564 1 78 3564 38 58 1 5364. 2895 The 2895 is the effective length of the belt expressed in millimeters.
Shape of the belt tracks in a groove on a pulley or sheave. The inside length of the belt is typically 2. Heres valuable information Id like to share with anyone seeking to understand the basics and differences in V-Belts.
How to Read V-Belt Codes. V belts provide the best combination of traction speed transfer drive load distribution and long service life. The most accurate way to measure the circumference of a v belt is with a v belt measuring tool or using a cloth tape measure Not a steel tape measure or ruler.
How to read V-Belt numbers Automotive belts start with either 4L 125mm wide or 3L 95mm. Based on the calculation above we now know that the Part Number of the V-Belt is SPA 1500. By Abbie Stancato Oct 21 2015 General.
Thats the dimension specified. Yah probably is a 42. If your belt has multiple belts banded together to form a single belt count the bands and put the number of bands in front if the belt number followed by.
58 top width 5VX belt with 80 OC.
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