Trinity Operating Procedures - TOPs

TOP-MOPQC: Machining In-Process Quality Control

Rev: 02/16/2024

Scope: This procedure covers the quality requirements of individual operations within the Machining Department. "Operations" include machining, grinding, stamping, cleaning, and so forth.

Procedure:

STEP	WHO	WHEN	INFO TO USE	WHAT TO DO
1	QC Inspector	Upon receiving Job Order information	Machining Schedule, MPS, Production Floor Traveler, Inspection Order, QC Print	Prepare inspection paperwork for job; follow Quality Control Inspection instructions on MPS; verify all gages and inspection tools are available and calibration is current. Set up a communication plan with Operator and. as needed, Machining Superintendent, QC Supervisor/QA Manager or Forging Engineer; if MPS or QC Print changes are required, mark and redline changes needed to MPS or QC Print and return to Forging Superintendent
2	QC Inspector	Upon receiving new Job Order and 1st Article part	MPS, Production Floor Traveler, Inspection Order, QC Print	Read operation instructions and Inspection Orders; verify that part number on material tag matches part number on Operation Order; if any raw material is found to be out of specification, notify the QC Supervisor for review and disposition per TOP-NOCON; assess the need for a CAR initiation (See TOP-CARRR) when first correct part is produced, document dimensions (for welding include gage settings) on Inspection Records
3	QC Inspector	Upon receiving production parts for inspection and finding they conform	MPS,Production Floor Traveler, Inspection Order, QC Print	Verify that Production Floor Traveler, MPS, QC Print and part match; verify that MPS Job Packet contains all required information and that the operator has properly completed his/her section of the Inspection Records.
4	QC Inspector	Oncce ready to validate first production part	MPS,Production Floor Traveler, Inspection Order, QC Print	Select measuring equipment per TOP-MSURE and TOP-CALIB; Validate that all gages used for inspection are recorded on the Measuring Instrument Verification Log and sign off. Examine part against QC Print per Inspection Order verify that parts meets specifications and that operator's measurements (and for welding, gage settings) are correct; verify that operator (or other designated person) "buying off" of parts stamps off the Production Floor Traveler; The first part buy-off, perform and record results in Quality Inspection Records; for welding. stamp off the Assembly Process Log to acknowledge parts have been inspected and recorded; for first time
5	QC Inspector	If part is found non-conforming during first part validation		Record inspection results on the MPS Inspection Order. All non-conforming results shall be documents in RED INK. STOP MACHINE UNTIL IT IS DETERMINED HOW TO PROCEED When any issues are found with measurements or documentation not being completed, notify Production Supervisor and QC Supervisors to resolve any problem, involving Machine Department Leadman or Manager as deemed appropriate.
6	QC Inspector	During manufacturing process		Ensure we inspect each machine at least once every 30 mins. Log time inspection and initial on the router step applicable. Validate Gages have been recorded on the Measuring Instruction Vefication Log. If not, shut down machine until gages have been validated.
7	Operator or QC Inspector	Upon discovering nonconforming parts during manufacturing	Personal judgment; any documentation deemed appropriate	Take all questionable parts over to the QC area with a Discrepancy Report prior to the end of each shift for review; if nonconforming parts are found during in-process inspection take parts and inform Machining Department Supervisor and/or QC Supervisor; do not stop machine
8	QC Inspector	Upon receiving nonconforming parts during manufacturing	Personal judgment; any documentation deemed appropriate	Verify and disposition parts per TOP-NOCON; notify QC Supervisor or Machining Superintendent if circumstances warrant
9	Post Production Inspector or QC Inspector	Upon being made aware parts are ready for shipment	Personal judgment; Inspection Order; QC documentation	Review parts for shipping quality; verify the completion of all Last Article steps; insure all documents and disposition criteria have been met before continuing processing; verify parts meet the standards set by our QC Prints; if OK, then stamp box; if not, place HOLD tag with Job Order number, heat code, and description of problem; disposition parts per TOP-NOCON; if immediate decision is not forthcoming; if scrap rate is high by own judgment or exceeding scrap requirements per TOP-SCRAP inform QC Supervisor. NOTE: Problems need to be dealt with swiftly so as to make every effort not to hold up shipments, if possible

Revision history: