Accu-Clamp^™ Precision Products

Accu-Clamp™ Collars combine a non-marring clamp with a solid working face that is either fully machineable or hardened and ground. The machineable Accu-Clamp™ Collar can be used as is, or modified by drilling, tapping, threading, turning, knurling, etc. The hardened and ground Accu-Clamp™ Collar provides an ultra-precise bearing surface for applications that require extreme squareness and flatness.

Featuring a unique construction, Stafford’s Accu-Clamp ™ products have a precision machined face that is flat to the shaft within 0.001 TIR. They also feature a slotless design, allowing for an uninterrupted outside diameter surface that can be machined, knurled, or profiled to meet the demands of any application. The slotless design also means that the face offers a full 360° surface that can be hardened, ground, flanged, or machined to meet various mounting and tolerance requirements

The Accu-Mount™ Collar features one solid, square and flat side, with four component mounting holes, along with a centering hub, and a second side that securely clamps to a shaft. Providing a square and rigid method for mounting sprockets, gears, pulleys, lever arms, and related components, they prevent slippage or wobble and can be easily repositioned on the shaft.

Accu-Flange™ Collars, Accu-Flange™ Mounting Collars, and Metric Accu-Flange™ Shaft Mounting Collars are machineable flange collars that can be configured by the user to perform a wide range of applications such as a pulley, cam, or component mounting device. Featuring an integral clamp incorporating a double-split design and relief groove, this clamping flange collar retains its perpendicularity, will not mar expensive shafts, and is easy to adjust.

The user-machineable collars also let designers rapidly develop a custom solution from a standard product line and then order parts machined to specification in production quantities if required.

The Accu-Clamp™ Threaded Collar provides a square and rigid method for mounting components on standard UNF/UNC threaded shafts. It combines a non-marring clamp with a solid working face that is fully machineable. It can be used as is, or modified by drilling, tapping, threading, turning, knurling, etc.

Stafford’s exclusive Precision Sleeve Coupling features a solid center section that provides a close tolerance fit on ground shafting, includes a keyway, and the Accu-Clamp™ design which incorporates integral self-centering clamping collars at both ends.

To assure precise shaft alignment, it maintains <.001″ TIR concentricity while in use and mates the two shafts with zero backlash. It is precision machined, non-marring, easy to adjust, with high clamping power.

Stafford’s exclusive Precision Sleeve Hex Bore Coupling is used on hexagonal shafts. The Accu-Clamp™ design features a solid center section that provides a close tolerance fit on ground shafting and incorporates integral self-centering clamping collars at both ends. To assure precise shaft alignment, it maintains <.001″ TIR concentricity while in use.

This two-piece coupling comes completely apart to allow the most convenient assembly and adjustment. It is precision machined, non-marring, easy to adjust, provides precise shaft alignment, and has high clamping power.

Stafford’s exclusive Precision Sleeve Square Bore Coupling is used on square shafts. The Accu-Clamp™ design features a solid center section that provides a close tolerance fit on ground shafting and incorporates integral self-centering clamping collars at both ends. To assure precise shaft alignment, it maintains <.001″ TIR concentricity while in use.

This two-piece coupling comes completely apart to allow the most convenient assembly and adjustment. It is precision machined, non-marring, easy to adjust, and has high clamping power.

The Precision Sleeve Flange coupling allows for mounting components such as gears, motors, brake assemblies etc. to the coupling. The flange includes three through holes and three tapped holes.

Some of the features include:

• Solid center section that provides a close tolerance fit on ground shafting
• Standard keyway
• Integral self-centering clamping collars at both ends
• Smooth bore that protects shafts from damage
• <.001 TIR concentricity while in use
• Precision machined
• Non-marring
• Easy to adjust
• High clamping power

Flange Adapter Rings are designed to be used with two other Stafford products – Accu-Flange™ Collars and Precision Sleeve Flange Couplings – to extend the OD of the flange on the collar or coupling. They can be bolted and/or welded to the component mount, featuring three OD options for each bore size and three adapter holes for mounting.

These products are available in 1018 steel, stainless steel, and aluminum.