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Showing Results For: Cams

Cams

Cams are mechanical devices commonly used to convert rotary motion into linear or vice versa. They consist of a rotating element (the cam) and a stationary element (the follower), which contacts the cam as it rotates. Depending on the shape of the cam, it can produce different types of motion, such as constant velocity, simple harmonic motion, or intermittent motion.

Categories of Cams:

Cams can be divided into two categories: with stoppers and without stoppers. 

  • Cams With Stoppers

Cams with stoppers are designed to produce a specific motion profile that includes a period of dwell or pause. The stopper is a protrusion on the cam that prevents the follower from moving during this pause, creating a moment of zero velocity. This can be useful for many applications, such as indexing machines, controlling the timing of valves, or creating intermittent motion in packaging machines.

  • Cams Without Stoppers

Cams without stoppers do not have a protrusion and do not produce a dwell period. Instead, the follower moves continuously in a cyclical motion, following the shape of the cam. This type of cam is helpful for applications that require continuous motion, such as conveying systems, printing presses, or cam-driven machines.

Sub-Categories of Cams (With Stoppers):

Cams with stoppers can be divided into two subcategories: positive and friction stop cams. 

  • Positive stop cams use a physical stopper that prevents the follower from moving, while friction stop cams use the friction between the cam and the follower to create the pause. Positive stop cams are more precise and reliable but require more force to operate and can cause wear on the stopper. 
  • Friction stop cams are simpler and require less force, but they can be less accurate and may require periodic adjustment.

Shapes of Cams:

Cams can also be designed with different shapes to produce different types of motion. For example, a sinusoidal cam produces simple harmonic motion, while a pear-shaped cam produces an asymmetrical motion profile. The choice of cam shape depends on the application and the desired motion profile.


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FAQs
We offer free shipping for orders over £200 if delivery is in the UK. All other orders in the UK, shipping from £7.99 depending on the weight and measurement. Mainland Europe shipping charges start from £25. For all other countries shipping charges start from £50 for products like Cams and all others.
You can email us directly at sales@enrgtech.co.uk or via our website for any queries regarding Cams or any other product.
This depends on the Cams individual product and information that can be found on our website.
Yes, we offer special discounts on orders above £200 for Cams and all other products.
UK orders normally take between 2/3 working days. International orders normally take between 3/5 working days for all products including Cams.
Yes. We keep updating our stock frequently and if a product like Cams is not in stock then we will let you know.