|
Section l - Hardness testing requirements for
hardness testing made by authorized heat treater |
| STEP |
WHO |
WHEN |
INFO TO USE |
WHAT TO DO |
RESULTS |
|
1 |
Authorized heat treat
supplier |
Receipt
of parts and Heat Treat Purchase Order |
Heat Treat Purchase Order |
After parts are
heat treated perform hardness testing
according to instructions on
Heat Treat Purchase Order; record
results. |
Parts heat
treated and hardness performed per instructions |
|
2a |
Authorized heat treat
supplier |
If parts cannot be
brought within specification |
Heat Treat Purchase Order;
own testing |
Contact QA Manager for waiver; if achieve waiver, return parts with
certifications noted as to waiver. |
Parts returned either
in spec or with waiver documented |
|
2b |
QA Manager |
Upon receiving call
from heat treater seeking waiver |
Heat treater
conversation; Process Plan in Jobs
Info; customer specifications; possibly
conversation with customer |
Evaluate heat treater's
request for waiver; if waiver is within customer requirements (or if customer provides
waiver), give heat treater written waiver (letter or telefax), place copy of waiver in
Customer PO file and document waiver in Jobs info. |
Heat
treater either granted or denied waiver; any waiver documented in Jobs info,
Customer PO file; material certs; waiver to PO file |
|
3a |
Shipping Leadman; Shipping Clerk |
Return of parts and paperwork |
Heat treater's certifications |
Review heat treater's certification and verify hardness information. |
Hardness verified |
|
3b |
Shipping Leadman; Shipping Clerk |
A hardness problem |
Heat Treat Purchase Order,
Heat Treat Certifications, Process Plan;
Traveler |
Inform QA Manager of hardness problem. |
Hardness problem reported to QA Manager |
|
3c |
Shipping Leadman; Shipping Clerk |
After
heat treat results received |
Heat Treat
Certifications |
Send heat
treater's cert to QA Clerk. |
Heat treat results
forwarded to QA Clerk |
|
4 |
QA Clerk |
Heat Treat
Certifications received |
Heat Treat
Certifications |
Enter heat treat
results in M2M; scan into Parts Certs Directory. |
Results entered in
M2M; scanned into Parts Certs Directory |
|
Section ll Hardness verification
procedures for in house hardness testing |
| 1 |
Post
Forge Leadman; QC Inspector |
All prior steps for job
complete on
Traveler;
Post Forge Supervisor's instructions to do a random hardness test |
Traveler;
MIL-STD-105D General Inspection Level I with an AQL of 1.0. |
Determine where to take test, what type to take* and sample size using
MIL-STD-105D General Inspection Level I with an AQL of 1.0; initiate
hardness testing and enter results in Powerway SPC. |
Random testing
performed; hardness testing initiated; results entered
in Powerway SPC |
| 2 |
Post
Forge Specialist, QC Inspector |
Data is entered in
Powerway SPC |
Traveler, calibration sheet from
Post Forge Specialist |
Calibrate the tester to
assure repeatability; fill out a Hardness Calibration Sheet; adjust tester to read within +/- tolerance allowed on
test block; prepare samples with smooth and flat surface; after test is completed, store
all test blocks, scopes, grinders, and any additional equipment; all
calibration, preparation and testing is to be done per
ASTM E-10 (Brinell) and ASTM E-18 (Rockwell). Forward
calibration sheet to Post Forge Supervisor.
Send any hardness results that have failed to QA Manager. |
Traveler, calibration sheet to Post Forge Supervisor; hardness tests performed, data entered in Powerway SPC;
hardness results that have failed sent to QA Manager |
|
3 |
QC Inspector |
Upon receipt of results |
Traveler, calibration sheet sheet from Inspector |
File paperwork; Send any hardness inspection data that fail to QA
Manager. |
Traveler, calibration sheet to
calibration log file; failed hardness inspection data to QA
Manager |
|
4 |
QA Manager |
Upon receipt of failed hardness inspection data |
Failed hardness
inspection data and heat treater's certification |
Reconcile hardness
differences with heat treater; issue car (TOP: CARRR) if needed. |
Hardness differences
reconciled |