Retaining compounds is a type of anaerobic adhesive, fill the inner space between components and cure to form a strong precision assembly. They are widely accepted as a standard method for assembling press- and slip-fitted parts.
Higher-strength with simplified and less costly designs
Reduced dependence on machining tolerances
Corrosion and fretting prevention
Even load and stress distribution over the joint
When Used in Combination with Interference Fits, Retaining Compounds Allow:
Higher load transmission and better performance with existing designs and geometry
Equal performance with relaxed tolerances
Reductions in the size and weight of an assembly
Problems with Conventional Assembly Methods That Retaining Compounds Can Help Overcome:
Pins, key/keyway assemblies have uneven distribution of mass, an imbalance that can lead to vibration at high speeds
Splines and serrations cause high stresses due to the “notch effect” that occurs in the area of a key. And have high machining costs
Clamp rings, press fits, shrink fits, and taper fits rely on friction alone to transmit torque, therefore they are limited by material, surfaces, and design. Close tolerances are needed to obtain specific load capacities, leading to high production costs
How to choose the right Retaining Compounds?
You have to answer these main questions:
Is Assembly Badly Worn?
What Strength is Required?
What Service Temperature is Required?
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