Title Page
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Document No.
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Critical Points Audit
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Client / Site
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Conducted on
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Prepared by
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Location
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Personnel
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Audit Performed By
Pilger -Control Charts
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Are they complete ?
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25VMR
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50VMR#1
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50VMR#2
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40SSM
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TWIN
PILGER - Die and Mandrel
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Are mandrel & die series numbers identified on Control Chart ?
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25 VMR
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50 VMR #1
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50 VMR #2
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40SSM
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TWIN
PILGER - Log Book Used
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25VMR
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50VMR#1
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50VMR#2
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40SSM
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TWIN
PILGER - OD SIZE
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Verify samples within specifications
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25VMR
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50VMR#1
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50VMR#2
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40SSM
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TWIN
PILGER - WALL SIZE
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Verifiy samples within specifications
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25VMR
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50VMR#1
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50VMR#2
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40SSM
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TWIN
PILGER - ID Condition
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Check split sample for defects
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25VMR
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50VMR#1
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50VMR#2
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40SSM
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TWIN
PILGER- Standard Feed Rate
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Verify that mill is running at standard feedrate indicated on tooling sheet
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25VMR
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50VMR#1
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50VMR#2
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40SSM
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TWIN
PILGER - Oil temperature
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Must not exceed 40C
PILGER- Ovality
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Must not exceed 0.12 mm
PILGER
PILGER- Straightness
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Tubes must be reasonably straight
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25VMR
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50VMR#1
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50VMR#2
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40SSM
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Twin
PILGER -Ridges
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Compare to existing standard
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25VMR
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50VMR#1
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50VMR#2
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40SSM
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Twin
PILGER-Ripple
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Average reading must be below 0.12 as per SOP 000357
Pilger
PILGER - Eccentricity
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Min wall reading must be above min specification
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25 VMR
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50 VMR #1
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50 VMR #2
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40 SSM
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Twin
PILGER - Cut Length
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Verify correct cut length as per the cutting instructions
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25VMR
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50VMR#1
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50VMR #2
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40SSM
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Twin
PILGER- OD Cleanliness
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Compare to existing standard
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25VMR
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50VMR #1
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50VMR #2
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40SSM
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TWIN
PILGER-OD Surface Condition
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Pick up must buff out with Scotchbrite
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25VMR
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50VMR #1
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50VMR #2
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40SSM
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TWIN
ID CLEANLINESS - Cleaning Cycle Verification
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Verify that the correct cleaning recipe is chosen based on length
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25 VMR
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40 SSM
PILGER- Chemical Dispensing Stations
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Verify the PH of solutions using the test strips
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25VMR
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50VMR#1
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50VMR #2
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40SSM
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Twin
Coilers and Cleaning Stations
COILERS -OD Cleanliness
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Compare to existing standard
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25VMR
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40SSM
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TWIN
COILERS - OD Surface Condition
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Pick must buff out with Scotchbrite
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25 VMR
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40SSM
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TWIN
COILERS- Checklist
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Checklist must be filled out. Confirm by checking the binder
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25VMR
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40SSM
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TWIN
ID CLEANLINESS- Correct Plug Size
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Verify that the correct plugs are being used
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25 VMR
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50 VMR #1
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50 VMR #2
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40SSM
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TWIN
ID CLEANLINESS - Check plug
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The ID cleanliness check plugs must white
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25VMR
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50VMR#1
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50VMR#2
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40SSM
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TWIN
ID CLEANLINESS- Pilger Feedrate
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Are the operators able to follow proper cleaning procedures at standard feedrate
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25VMR
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50VMR#1
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50VMR#2
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40SSM
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TWIN
H2 FURNACE
H2 FURNACE - Cleanliness Check
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Tube ID and OD must be clean as per instructions
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OD Cleanliness
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ID Cleanliness
H2 FURNACE - Correct Speed & Temperature
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Correct Speed ?
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Correct Temperature ?
H2 FURNACE- Gas Settings
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Verify based on annealing schedules
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Correct Gas setting ?
H2 FURNACE- OD Surface Condition
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Review the tube OD surface after Anneal
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Visual check of OD surface after annealing
PBS SAW
UNCOILER
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Incoming Surface
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Outgoing Surface
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Straightener Rolls Clean
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Incoming OD Size
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Outgoing OD Size
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Straightness and Deburr
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ID Tags on Material
PBS - OD Surface Condition
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Check for pickup, ringing , etc
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OD Surface is acceptable?
PBS - Jaw Cleanliness
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Ensure that the jaw area is being kept clean as per the instructions
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Jaw Cleanliness is acceptable
PBS - Jaw Marks
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Check both ends of the tubing from the tube end to approx. 1' in
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OD Surface check for jaw marks
PBS - Correct Cut Length
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Measure a tube and verify acceptable length in the WO file
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Cut Length is acceptable?
PBS - End Condition
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Check both end of the tubing for crimping, burrs, etc
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End Condition is acceptable?
PBS - OD Buff
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Ensure that the buff is uniform and bright
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OD Buff is acceptable?
Straightener
Straightener- OD Size
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Verify specification in E Travel
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OD Size is acceptable ?
Straightener - Hardness
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Verify specification in E Travel
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Hardness is acceptable?
STRAIGHTENER - Straightness
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Straightness is acceptable ?
STRAIGHTENER- OD Surface Condition
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Check for pick up, ringing, etc
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OD Surface is acceptable
STRAIGHTENER- Control Chart
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Control charts must be fully completed
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Control charts are being used as expected ?
POLISHER
POLISHER-Tube Ends Plugged
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Ensure that all tube ends are plugged with proper plug prior to polish
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Tube Ends are plugged ?
POLISHER- OD Size In
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Verify correct size in E Travel
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Incoming size is acceptable?
POLISHER- OD Size Out
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Verify correct size in E Travel
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Outgoing size is acceptable?
POLISHER- OD Surface Condition
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Check for consistent polish and candy cane effect
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OD Surface Condition is acceptable?<br><br>
WESTWAY
WESTWAY - Jaw Marks
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Check both ends of the tubing from the tube end to approx 1' in
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OD Surface check for jaw marks is acceptable?
WESTWAY- End Condition
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Check both ends of tubing for crimps,burrs,etc
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End Condition is acceptable?
WESTWAY- Correct Cut Length
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Measure a tube and verify acceptable length in the WO file
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Cut Length is acceptable?
LEVEL WIND
LEVEL WIND - OD Surface Condition
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Check for consistent polish
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OD Surface is acceptable?
LEVEL WIND- Linemark Check
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Verify and check that it is stamped off by qualified operator
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Line marking is acceptable?
PBS EC
PBS EC- Linemark Check
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Verify and check that it is stamped off by qualified operator
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Linemarking is acceptable?
