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Cleveland Oak - Founded in 1916

Thermoset Adhesive Bonding of Friction Material to Large Clutch Plates for Metal Forming Presses

Cleveland Oak has the capability to bond friction material to large clutch plates (up to 116" diameter) and does so on a regular basis. This case, however, presented special challenges, not the least of which was that the new customer’s spare plate (from another vendor) had failed and they were in a breakdown situation.

The 116" diameter plate required special lining as well has being of very large diameter. The lining consisted of 40 segmented trapezoids with rounded corners, which normally would not be an issue except that these were 1.5" thick and required bolting to the plate as well as bonding. The counter-bored bolt holes were to be plugged with lining. Because of time restraints the friction lining had to be laminated to build the required thickness, then cut to final size on the water jet saw.

The job actually went smoother than expected and the relined plate was shipped 8 days after receipt of the order. The 12,000 ton forging press is up and running. Since then we have also relined the spare plate, albeit in a more leisurely manner.

Our capability, coupled with commitment to customer requirements, product knowledge and ability to innovate came together to complete this challenging project. Contact us to see what we can do for you.

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Thermoset Adhesive Bonding Project Highlights

Product Name
Large Clutch Plate
Product Description
This Large Clutch Plate is used to start and stop a 12,000 ton forging press.
Capabilities Applied/Processes
Supply & Fabricate Friction Material
Thermoset Adhesive Bonding of Friction Material to Plate

Manufacture Entire Plate to Spec
Reline Existing Plate
Equipment Used to Manufacture Part
Large Computer Controlled Ovens
Adhesive Coating Machines
Surface Grinders
Water Jet Saw
Overall Part Dimensions
O.D.: up to ø 116" (2950mm)
Tightest Tolerances
± 0.002" (0.05mm)
Material Used
All types of Friction Material from virtually any manufacturer on the world.
Material Finish
As required
In process testing/inspection performed
Friction Material Thickness and Shape, Adhesive thickness, Oven and bond line temperature control, adhesive cure and final thickness are all monitored. Inspection reports are custom tailored to meet customer requirements.
Industry for Use
Metal Stamping, Forging
Low Volume, Typically 1 to 3 Plates per order on Large Plates.
Delivery/Turnaround Time
Approx. 3 weeks
Delivery Location
FOB Canton, Ohio
Standards Met
Meet or exceed all industry standards as well as specific customer requirements.

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Cleveland Oak - Founded in 1916