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SPIROL Introduces New Precision Machined Compression Limiters to Protect Plastic Assemblies

SPIROL is pleased to introduce the new Series CL6000 lightweight, lead-free, Aluminum Precision Machined Compression Limiters. Compression Limiters are designed to reinforce high stress joints in plastic assemblies where bolts are used to connect two components to each other.

Adjustable Shims

Adjustable Shims provide a simple, single SKU solution when a range of Shim thicknesses are required.

Stacked tolerances in a mechanical assembly can often create a situation where the required Shim thickness varies from assembly to assembly. In the past, conventional methodology dictated that Shims in multiple thicknesses be stocked to be used alone, or stacked in combination, to provide the total thickness required. The disadvantage of this method is that multiple SKUs must be ordered, stocked and maintained.

Adjustable Shims allow you to reduce the number of SKUs to manage, and as a result simplify purchasing and warehousing requirements. Common applications that benefit from Adjustable Shims are: transmissions, pumps and electric motors where the Shims are used to control axial motion. These Shims are sometimes referred to as Endplay Shims or Thrust Washers. Another common application is Leveling Shims, also known as Pump Shims or Foot Shims, for large floor-mounted industrial equipment such as pumps, motors or compressors, where the Adjustable Shims are used to compensate for any gap between the unit’s feet and the mounting surface.

Many Shim suppliers offer Adjustable Shims, but in a limited range of “standard” sizes and shapes. SPIROL manufactures Adjustable Shim Packs from a range of raw materials in thickness and design specifications to meet specific application requirements. SPIROL Adjustable Shims are available from 0.25mm-9.5mm (.010”-.375”) total thickness.

laminated shims
Laminated Shims
Laminated Shims have peelable layers of metal which are removed until the Shim has the proper thickness. Laminated Shims are produced by surface-bonding layers of precision-metal foils or composite films and resin adhesive into sheets. The foils can be aluminum, stainless steel, carbon steel, and brass, among others and are typically available in 0.05 or 0.08mm (.002" or .003") layer thickness. The peelable Shim layers are bonded into a rigid structure that appears and functions as a solid sheet or plate. Adjusting them is as easy as peeling off laminations with a tool.
edge bonded shims
Edge Bonded Shims
The peelable layers of an Edge Bonded Shim Set are first pressed together, and then adhered by only the edges of the Shim's profile. This allows for easy separation of the layers in the field. Since Edge Bonded Shims are easy to peel, the layers that are not needed are preserved and can be used for a later application. Edge Bonded Shim Sets have all the performance and cost advantages of solid and loose Shims, yet they provide a unique solution for companies seeking a better point-of-use Adjustable Shim Set. There is no restriction on layer thickness for Edge Bonded Shims.

Edge Bonded Shims also provide cost saving advantages over Laminated Shims because the materials are less expensive. Edge Bonded Shim packs offer safe adjustment in seconds rather than time consuming and potentially difficult to peel surface bonded laminates. Safety improvement is realized because no knife is needed to remove the edge bonded layers. Cost savings can also be realized because removed layers are reusable, functional parts.

Benefits

Adjustable Shims are suitable for use in any application that uses multiple thicknesses in the same configuration. Edge Bonded Shims can be produced with various thicknesses and quantities of each thickness within one Shim Pack in the following standard materials:
• Aluminum
• Carbon steel
• Stainless steel
• Brass
• Copper

SPIROL employs a wide variety of manufacturing technologies including conventional stamping, laser cutting, CNC milling/machining, and S.W.A.T. (Stamping Without A Tool). These broad capabilities allow us to create Adjustable Shims, available in both Laminated and Edge Bonded configurations that can meet any thickness requirement up to the total thickness of the Adjustable Shim.

Additional Information

Read Shims? Make Mine Laminated and other White Papers from SPIROL Engineers.

Read how SPIROL’s Edge Bonded Shim Set helped a customer reduce costs by 70%!

Contact us for complimentary technical assistance for your Shim application.

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