Rubber Tolerance Standard

Tolerance levels typically impact cost due to increased processing and higher reject rates.

Rubber tolerance standard.

Rma tolerances for molded rubber products using the industry standard callouts for rubber tolerancing is good practice and provides for a common understanding between the design engineer and the manufacturer. This information is provided for general guidance only please contact us to confirm any specific requirements. The rubber manufacturers association rma has developed tolerance tables with ranges to provide communication between user and provider across a wide range of industries. International standard iso 3302 1 was prepared by technical committee iso tc 45 rubber and rubber products subcommittee sc 4 miscel laneous products.

For outside diameters inside diameters wall width height and general cross sectional dimensions of extrusions. Tolerances for outside diameters o d inside diameters i d wall thickness width height and general cross sectional dimensions or extrusions. Fixed dimension independent dimension not calculated from other reference dimensions. Collaboration to establish an agreed standard is key.

Molded rubber tolerance chart rubber molding tolerances. For each range of millimeter and inch based part sizes you ll see that plus and minus amounts are given for fixed and closure dimensions. However some of the table numbers are different. For example table 4 is for molded rubber products with commercial a3 tolerances.

Please contact u s to review capabilities for your application. When you use the rma handbook for molded rubber products find the tolerance table that you need. When you need close tolerance please specify it in drawing or mention it in quote request. By simply calling out the standard can eliminate the need to tolerancing each specific feature on a print.

Standard rubber tolerances for molded rubber parts 262 632 2345. Arpm tolerances association for rubber products manufacturers were formerly known as rma tolerances rubber manufacturers association. These are helpful when designing and producing a part. This edit ion of iso 3302 1 cancels and replaces iso 3302 1 199 60 rubber tolerance for products dpart 1 dimensional tolerances for use.

Extruded rubber tolerance chart rubber extrusion tolerances. You can also consult the rma article on factors affecting tolerances of molded rubber products. Linear dimensions bs iso 3302 1. For a general guide see below downloadable pdf beneath.

While they are now issued by a new organization the tolerance ranges have remained unchanged.