Hi Pete, I think that is a good idea....Perhaps as you have done spin-griding before, the machinist may allow you to watch how he faces the bed-knife mate. Then you could do it yourself in future...Might be worth an ask...
Please do not PM me asking for support. Please post your questions in the appropriate forums, as the replies it may receive may help all members, not just the individual member. Kindest Regards, Darryl