Extruded Rubber Profiles for AT Grade Railroad Crossings On Ames Rubber Manufacturing Company

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	Extruded Rubber Profiles for AT Grade Railroad Crossings

Extruded Rubber Profiles for at Grade Railroad Crossings

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Offering precision manufacturing of large profile extruded rubber parts, Ames Rubber Manufacturing provides assistance to a number of American and international companies in the transportation industry. Our work in railroad crossing extrusions has led to high volume production of the large and complex profiles highlighted here.

A US transportation customer required extruded rubber tub, field, and gage profiles for railroad crossings at automotive and pedestrian intersections. These protect and support rail crossings as well as provide non-conductive insulation for transmission lines. We also ensured that this material would not only comply with industry standards, but also withstand the necessary tensile and elongation conditions along the rail line. We formulated a black 75 Durometer Non Conductive EPDM for the project, which successfully adhered to railroad industry specifications.

Once material flow studies were confirmed and prototyping was complete, we used our 3.5" cold feed extruder, 6" hot feed extruder, and 17' steam autoclave curing system for manufacturing. This was followed by several machining steps that required close tolerances and complex profiles with multi-spindle stepped drills and precision cut off saws. The parts ranged from 1.5" wide by 2.625" high to 7.5" wide by 7.375" high with specified radii and tapers.

This project showcases our capability to combine multiple manufacturing stages including mixing, extruding, curing, drilling, and cutting under high volume conditions. The initial project was a success and this customer increasingly orders these profiles, as well as additional large custom profiles, providing continuing solutions to their unique requirements. We have processed more than 100,000 lbs. of material per month of these profiles, with deliveries to various locations throughout the US and internationally. To learn more about our work with large extruded rubber profiles and high volume rubber extrusions, please contact us or refer to the table below.

Extruded Rubber Profiles Project Highlights

Project Name

Extruded Rubber Profiles

Project Description

Extruded Rubber Tub, Field and Gage profiles for rail crossings at automotive and pedestrian intersections. These Extrusions protect and support concrete rail crossings, utilizing non-conductive materials to assist in data transmission over rail lines.

Primary Capabilities/Processes Applied

Rubber Extrusion

Secondary Capabilities/Processes Applied

Custom Drilling & Cutting (per customer specifications)

Equipment Used to Manufacture Part

3.5" Cold Feed Extruders
6.0" Hot Feed Extruder
60" Rubber Mills
Multi Spindle stepped Drills
Precision Cut off Saws
Steam Autoclave Curing System

Overall Part Width¹

1.500 to 7.500 in

Overall Part Height

2.625 to 7.375 in

Tightest Tolerances

Specified Radius and Tapers to fit allotted space and allow for inserts.

Material Used

75 Durometer Non Conductive EPDM per –11 Railroad specifications

Material Color

Black

Industry for Use

Transportation

In Process Testing/Inspection Performed

Inspection is performed at all production centers.

Maximum Volume of Material per Month

50000 to 100000 lb

Packaging

Custom Pallets built in house

Delivery/Turnaround Time

Monthly Deliveries

Delivery Location

Various locations in the United States

Standards Met

Material meets -11 National Railroad Specification

¹ Profiles

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Extruded Rubber Profiles for AT Grade Railroad Crossings