Equipment to slice nice ham (7)
I believe the answer is:
machine
'equipment' is the definition.
'slice nice ham' is the wordplay.
'slice' indicates anagramming the letters.
'nice'+'ham'='niceham'
'niceham' is an anagram of 'MACHINE'.
'to' acts as a link.
(Other definitions for machine that I've seen before include "Contraption" , "Mechanical apparatus" , "Mechanical contrivance; engine" , "political organisation" , "Automaton" .)