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Shot Peening

Precision Shot Peening Services in the UK

At MNB Precision Engineers, we can offer precision shot peening services to all of our customers across many different industries. Shot peening is an engineering method for enhancing the surface of various different materials. It provides a cost-effective and practical way to extend the operational lifespan and performance of the main construction parts.

How Shot Peening is applied

Shot peening is an engineering method for enhancing the surface of various materials. The definition of shot peening is to shape a metal sheet by blasting it with a stream of metal shot. The metal pieces can be shot-peened on both sides.

The shot, in shot peening, is known as a spherical material, and each shot hits the surface of the product material. The high impact of the shot creates a simple. Now imagine hundreds of shots fired at the material to create a precision shape or crater. The dimples created are actually making the surface material stronger and more resistant to cracking. Each application of shots is a thought out and specified prior to processing. When the parameters have been established, the depth and size needed then the work can be tested and any repeat work needed.

Shot Peening is a controlled metal surface finishing process; it is the most cost-effective and practical way of creating surface resilience, enhancing performance and extending the life of critical components. It prevents stress corrosion failure.

Cold Hammering

Also known as mechanical pre-stressing or cold hammering the process of shot peening works through the repeated striking of a surface with spheres known as shot. Visually, the procedure is similar to sandblasting and functions as if striking the surface repeatedly with a ball peen hammer. The result of this process is a series of small indentations that create a property known as residual compressive stress, this results in better fatigue and cracking resistance, as well as reduced stress corrosion in metal components.

Shot peening is similar to sand blasting or shot blasting as it is sometimes referred to, however, unlike sandblasting, shot peening has less dust production. Shot peening a surface is often used for aircraft repairs as it can relieve tensile stress built up from grinding. The different types of shot beads available are spherical cast steel shot, ceramic bead, glass bead or rounded cut wire these all give different finishes. Shot Peening is commonly used to impart additional material resistance. It can be used for the following applications:

  • Crankshafts
  • Gear wheels
  • Connecting rods
  • Automotive gear parts
  • Coil springs
  • Turbine blade (Aircraft)
  • Airframe components
  • Suspension springs
  • Medical implants

At MNB Precision we use a wide variety of different shot peening machines. Within the precision engineering industry, there are thousands of different machines that can all deliver different results. Here are just a few different shot peening machines that can be used:

  • Rotary index machines
  • Automated rotary machines
  • CNC machine
  • Continuous machine
  • Pressure machine
  • Suction machine
  • Fine steel peening machine

If you have more specific needs, we will work to accommodate. We are continuously working to increase both our capacity and capabilities to meet market demand; as such we can cater to the needs of leaders in the industry. We also offer other services such as Coordinate Measuring Machines (CMM) Inspections. If you would like more information on our shot peening services or any of MNB Precision services, please get in touch.