Am I close ?
select A.* from
( Select
'Spin Coater ' + LEFT(SpinCoaterNo,1) AS [Machine], work_order_no, PartNumber,
SUM(Isnull(Sch1_sheets,0)+Isnull(Sch2_sheets,0)+Isnull(Sch3_sheets,0)+Isnull(Sch4_sheets,0)+Isnull(Sch5_sheets,0)+Isnull(Sch6_sheets,0)+Isnull(Sch7_sheets,0)) As [Sched Sheets]...