Universal Joints

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Fig. 1: 20 kip Universal Joint - standard Instron Type Df (1.25 in. diameter smooth bore with cross pin holes) connection on left end and standard Instron Type Dm (1.25 in. diameter stud with a cross pin hole).

Universal joints are commonly used in tensile loading applications to aid in maintaining axial load alignment.  Universal joints of any end attachment configurations and load capacity can be designed and fabricated.  Just a few examples are presented here.

The universal joints are typically fabricated of stainless steel, with hardened 440C stainless steel wrist pins.

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Fig. 2: 100 kip Universal Joint - 2"-12 UNF threaded hole on each end.

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Fig. 3: 25 kip Universal (left) and 3 kip Universal (right), both with Instron Type Dm Connection on one end and Type Df Connection on other end.