Gas turbine engine

Abstract

A method of manufacturing a part comprises providing a component for cutting and directing a water jet at the component so as to cut the component. The water jet comprises water and abrasive particles having a nucleus made from a first substance and a second substance surrounding the nucleus, the first substance being denser than the second substance.

We claim: 
     
         1 . A method of manufacturing a part, the method comprising:
 providing a component for cutting; and   directing a water jet at the component so as to cut the component, the water jet comprising water and abrasive particles having a nucleus made from a first substance and a second substance surrounding the nucleus, the first substance being denser than the second substance.   
     
     
         2 . The method according to  claim 1 , wherein the second substance is a liquid at atmospheric temperature and pressure. 
     
     
         3 . The method according to  claim 1 , wherein the first substance is solid at atmospheric temperature and pressure. 
     
     
         4 . The method according to  claim 1 , wherein the second substance is ice. 
     
     
         5 . The method according to  claim 1 , wherein the nucleus comprises carbon. 
     
     
         6 . The method according to  claim 5 , wherein the nucleus is defined by a single carbon fibre. 
     
     
         7 . The method according to  claim 1 , wherein the nucleus comprises acrylic. 
     
     
         8 . The method according to  claim 7 , wherein the acrylic nucleus is 3D printed prior to being surrounded by the second substance. 
     
     
         9 . The method according to  claim 1 , wherein the part is a fan blade for a gas turbine engine. 
     
     
         10 . A method of water jet cutting a component, the method comprising:
 providing a component for cutting; and   directing a water jet at the component so as to cut the component, the water jet comprising water and abrasive particles having a nucleus made from a first substance and a second substance surrounding the nucleus, the second substance being different to the first substance.   
     
     
         11 . A method of manufacturing a part, the method comprising:
 providing a component for cutting; and   directing a water jet at the component so as to cut the component, the water jet comprising water and carbon particles.