how to - measure a conveyor roller · how to - measure a conveyor roller. shell thickness. how...

How To - Measure a Conveyor Roller

Before mea suring the roller, place the roller ont o a base which stops it from moving when measuring. If it’s in t he field, get to a flat floor, put the roller on the floor and against a straight wall, and then put wedges under the roller to stop it from moving.

Prepare all the tools for measuring, such as angles or straight edges, measuring tapes or rulers etc.

NOTE: MILLIMETRES MATTER! (ACCURUCY IS IMPORTANT FOR ROLLER PERFORMANCE)!

How to Measure Roller Face Width (Length)

Place ang les or straight edges against both ends of the roll er face edges. Use a measuring tape or a ruler to measure the distance between the angles or straight edges as shown in the following pictures.

Alternatively a tape measure could be used for this application as well, or to check if the measurement is

correct.

ROLLER FACE WIDTH


How to Measure Roller Total Width (Shaft Overall Length)

Place angles or straight edges against both ends of the shaft end faces. Use a measuring tape or a ruler to measure the distance between the angles or straight edges as shown in the following pictures.

SHAFT OVERALL LENGTH

ROLLER BACK TO BACK

How to Measure Roller Back to Back Distance?

Place angles or straight edges against both faces (close to the roller face edges) of the roller’s flat slotswith certain angle, to prevent the angles or straight edges from warbling when being measured. Use a measuring tape or a ruler to measure the distance between the angles or straight edges as shown in the following pictures.


How to Measure Roller Diameter

Place angles or straight edges upright against roller faces. Use a measuring tape or a ruler to measure the distance between the angles or straight edges as shown in the following pictures.

ROLLER DIAMETER

SHAFT DIAMETERSHAFT DIAMETER @ UNDERCUT SHAFT DIAMETER @ BEARING

How to Measure Roller Shaft Diameter

Use a vernier caliper to measure the diameter of the shaft at undercuts of shaft; however, to measure the diameter of shaft at the bearing and also at the middle of shaft properly, the shaft needs to be pulled outto get the right measurements. Hit one end face of the shaft with force; the shaft with bearings and seals will be pushed out from the other side of the roller as shown in the following picture.


ACROSS FLAT

BEARING THICKNESS BEARING INNER DIAMETER BEARING OUTER DIAMETER

How to Measure Across Flat Dimensions of the Roller

Use a vernier caliper to measure across the flat dimensions of the shaft as shown in the following pictures.

SLOT WIDTH

How to Know the Type of the Bearing in t he Roller

To determine what type of bearing is used on the roller, the bearing needs to be pulled out. Hit one end face of the shaft w ith force; the shaft w ith the bearings an d seals will be pushed out from the other side. Once the bearings have been taken out, check to see if the sign of the designation is still on the bearing body; write it down. If the bearing is worn out, use a vernier caliper to measure the bearing’s outer diameter, inner diameter and thickness. Look up the bearing manufacturer’s catalogue to determine the bearing type.


SHELL THICKNESS

How to Measure Roller Shell Thickness

The roller shell needs to be cut through to get the rea dings of the shell’s thickness. Use a vernier caliper to measure the shell thickness as shown in the following pictures.

How to Final Check All Measured Dimensions for RollerAfter all dimensions have been measured, it’s suggested to do a further final check. Firstly make sure dimensions on the following drawing have been measured, and then use the following formula to check if they match up, otherwise dimensions will need to be measured again until final check results match up correctly.

TO FINAL CHECK ALL MEASURED DIMENSIONS,

PLEASE USE FOLLOWING FORMULAS:

C = B + 2W

D = C + 2H + 2Y = B + 2W + 2H + 2Y


Note: If there are any specials in bearing type, seal type, body type, slots type etc., please refer to the Kinder Australia work sheet, and complete the sheet with all dimensions and specialconditions or requirements.http://www.kinder.com.au/wp-content/uploads/2013/02/Worksheet_Roller_.pdf

how to - measure a conveyor roller · how to - measure a conveyor roller. shell thickness. how...

Documents