Hola,
Probaste hacer esto:
Código:
for f := 1 to NEdits do
begin
Edits := TEdit.Create(Self);
Edits.Left := 21 * (c + 1);
Edits.Top := 21 * (f + 1);
Edits.Width := 20;
Edits.Height := 20;
Edits.Enabled := False;
Edits.Parent := Panel1;
Edits.name := 'Edit'+f.ToString;
Button3.Visible := True;
end;