Shrink Fitting

Shrink Fitting Mansfield Cryogenics Ltd offer a shrink fitting service using Liquid Nitrogen as a medium for freezing down components to -195oC. Our experienced operatives will attend your site and deliver this service. On most occassions you will not require any additional or specialist equipment. Shrink Fitting is speedy, as shrinking the component can be done in minutes , this process will not damage the majority of ferrous and non-ferrous metals ..whereas heating components can take time and can distort the materials and on some occassions damage the component - freezing the component will not do this. You can use this process for dismantling as well as assembly ... contact us to discuss what you are planning to do ... The above chart gives a general guidance in respect of types of metals undergoing this process .. 

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Type of Metal Shrinkage
Aluminium 3.8 microns per mm diameter
Brass 3.4 microns per mm diameter
Cast Iron 1.8 microns per mm diameter
Copper 3.0 microns per mm diameter
Magnesium 4.5 microns per mm diameter
Nickel 2.1 microns per mm diameter
Steel 1.9 microns per mm diameter
Zinc 5.4 microns per mm diameter