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Molded Silicone Isolating Phase Bus Diaphragm



At Ames Rubber Manufacturing, we can produce extremely large and complex molded components such as this large rubber diaphragm for the Nuclear Power Transmission industry. This also includes our expertise in the reformulation of older compounds to meet today's stringent industrial and environmental standards.

A Nuclear Power Transmission Plant asked us to manufacture a low volume of molded flexible Phase Bus Diaphragms with a 41" outside diameter. They were designed for sealing and acting as a barrier along sections of an Isolated Phase Bus Assembly. We formulated a gray 70A Durometer Silicone for the job, per proprietary customer requirements.

The original Silicone compound was developed in the 1960’s but was reformulated by our team adding high strength and high heat additives to the compound in order to meet the myriad of industry and environmental standards in force today. We also had to create a new mold for the customer after consulting with their engineers to develop processing specifics.

Using compression molding on our 600 Ton Adamson 4 post hydraulic press with 45" x 45" platens, we produced the diaphragm to exact requirements. The job required multiple, reticulated, expanding sections that took over 85 lbs. of custom mixed Silicone compound per part. Our quality control standards verified that all required standards were met and included ASTM testing, along with visual inspections for nicks and voids.

In a matter of weeks, we were able to produce the parts for our customer and quickly deliver them to their location. This illustrates our ability to manufacture large, complex rubber products using custom compounded materials for critical applications in demanding industries such as Nuclear Power Generation. To learn more about our work in custom compression and transfer molding, please refer to the table below or contact us for more information.






Isolating Phase Bus Diaphragm Project Highlights

Project Name

Isolating Phase Bus Diaphragm

Project Description

Molded Flexible diaphragm used for sealing the ends or as barriers for isolating sections of an Isolated Phase Bus Assembly. These Silicone diaphragms reduce longitudinal space and feature resistance to heat and heat aging, and under extreme heat produce a non-conductive ash.

Primary Capabilities/Processes Applied

Compression Molding

Secondary Capabilities/Processes Applied

Mill Mixing
Compounding

Equipment Used to Manufacture Part

40" Rubber Mills
600 Ton Adamson 4 post Hydraulic Press with 45" x 45" platens

Overall Inside Diameter1

9.500 in

Overall Outside Diameter

41.00 in

Overall Part Height2

5.500 in

Tightest Tolerances

Axial Dimension of material extending the surface must not exceed .150"

Material Used

70A Durometer Silicone – per SRX 38 requirements

Material Color

Gray

Industry for Use

Nuclear Power Transmission

In Process Testing/Inspection Performed

ASTM Test slabs and buttons. Visual inspection for nicks and voids.

Volume

Low

Packaging

Custom - Boxed

Delivery/Turnaround Time

3 weeks or sooner for 1st delivery after receipt of order.

Delivery Location

Various locations in the United States

Standards Met

K 1670160 High Power Arc Erosion Test
K 1903978 Arc Resistance Test ASTM D495 and Dust and fog Test ASTM D2132

LS33-90090-04 Differential Wet Tracking Test ASTM 2302-64T

RMA "A2" Precision Tolerances
1 Reticulated
2 Reticulated


 MORE IMAGES 

·  Molded Silicone Isolating Phase Bus Diaphragm-2

·  Molded Silicone Isolating Phase Bus Diaphragm-3


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