Title Page

  • Document No.

  • Critical Points Audit

  • Client / Site

  • Conducted on

  • Prepared by

  • Audit Performed By

Pilger -Control Charts

  • Are they complete ?

  • 25VMR

  • 50VMR#1

  • 50VMR#2

  • 40SSM

  • TWIN

PILGER - Die and Mandrel

  • Are mandrel & die series numbers identified on Control Chart ?

  • 25 VMR

  • 50 VMR #1

  • 50 VMR #2

  • 40SSM

  • TWIN

PILGER - Log Book Used

  • 25VMR

  • 50VMR#1

  • 50VMR#2

  • 40SSM

  • TWIN

PILGERS Incoming hollow inspect

  • 25VMR

  • 50VMR#1

  • 50VMR#2

  • 40SSM

  • TWIN Drive Side

  • TWIN Operator Side

PILGER - OD SIZE

  • Verify samples within specifications

  • 25VMR

  • 50VMR#1

  • 50VMR#2

  • 40SSM

  • TWIN Drive Side

  • TWIN Operator Side

PILGER - WALL SIZE

  • Verifiy samples within specifications

  • 25VMR

  • 50VMR#1

  • 50VMR#2

  • 40SSM

  • TWIN Drive Side

  • TWIN Operator Side

PILGER - ID Condition

  • Check split sample for defects

  • 25VMR

  • 50VMR#1

  • 50VMR#2

  • 40SSM

  • TWIN Drive Side

  • TWIN Operator Side

PILGER- Standard Feed Rate

  • Verify that mill is running at standard feedrate indicated on tooling sheet

  • 25VMR

  • 50VMR#1

  • 50VMR#2

  • 40SSM

  • TWIN

PILGER - Oil temperature

  • Must not exceed 40C

  • 25 VMR

  • 50VMR #1

  • 50VMR #2

  • 40 SSM

  • TWIN

PILGER- Ovality

  • Must not exceed 0.12 mm

  • 25 VMR

  • 50VMR #1

  • 50VMR #2

  • 40 SSM

  • TWIN Drive Side

  • TWIN Operator Side

PILGER

PILGER- Straightness

  • Tubes must be reasonably straight

  • 25VMR

  • 50VMR#1

  • 50VMR#2

  • 40SSM

  • Twin

PILGER -Ridges

  • Compare to existing standard

  • 25VMR

  • 50VMR#1

  • 50VMR#2

  • 40SSM

  • Twin

Pilger

PILGER - Eccentricity

  • Min wall reading must be above min specification

  • 25 VMR

  • 50 VMR #1

  • 50 VMR #2

  • 40 SSM

  • Twin Drive Side

  • Twin Operator Side

PILGER - Cut Length

  • Verify correct cut length as per the cutting instructions

  • 25 VMR

  • 50 VMR #1

  • 50 VMR #2

  • 40 SSM

  • Twin

PILGER- OD Cleanliness

  • Compare to existing standard

  • 25VMR

  • 50VMR #1

  • 50VMR #2

  • 40SSM

  • TWIN

PILGER-OD Surface Condition

  • Pick up must buff out with Scotchbrite

  • 25VMR

  • 50VMR #1

  • 50VMR #2

  • 40SSM

  • TWIN Drive Side

  • TWIN a Operator Side

ID CLEANLINESS - Cleaning Cycle Verification

  • Verify that the correct cleaning recipe is chosen based on length

  • 25 VMR

  • 40 SSM

  • Twin

PILGER- Chemical Dispensing Stations

  • Verify the PH of solutions using the test strips

  • 25VMR

  • 50VMR#1

  • 50VMR #2

  • 40SSM

  • Twin

Coilers and Cleaning Stations

OD Wash Box Temperature

  • Are temperature strips on wash box indicating that cleaning fluid is being heated

  • 25 VMR

  • 50 VMR #1

  • 50 VMR #2

  • 40 SSM

  • Twin

COILERS -OD Cleanliness

  • Compare to existing standard

  • 25VMR

  • 40SSM

  • TWIN

COILERS - OD Surface Condition

  • Pick must buff out with Scotchbrite

  • 25 VMR

  • 40SSM

  • TWIN

COILERS- Checklist

  • Checklist must be filled out. Confirm by checking the binder

  • 25VMR

  • 40SSM

  • TWIN

Twin cleaner log

  • Any issues cleaning recorded

  • Add media

ID CLEANLINESS- Correct Plug Size

  • Verify that the correct plugs are being used

  • 25 VMR

  • 50 VMR #1

  • 50 VMR #2

  • 40SSM

  • TWIN

ID CLEANLINESS - Check plug

  • The ID cleanliness check plugs must white

  • 25VMR

  • 50VMR#1

  • 50VMR#2

  • 40SSM

  • TWIN

ID CLEANLINESS- Pilger Feedrate

  • Are the operators able to follow proper cleaning procedures at standard feedrate

  • 25VMR

  • 50VMR#1

  • 50VMR#2

  • 40SSM

  • TWIN

H2 FURNACE

H2 FURNACE - Cleanliness Check

  • Tube ID and OD must be clean as per instructions

  • OD Cleanliness

  • ID Cleanliness

H2 FURNACE - Correct Speed & Temperature

  • Correct Speed ?

  • Correct Temperature ?

H2 FURNACE- Gas Settings

  • Verify based on annealing schedules

  • Correct Gas setting ?

H2 FURNACE- OD Surface Condition

  • Review the tube OD surface after Anneal

  • Visual check of OD surface after annealing

PBS SAW

UNCOILER

  • Incoming Surface

  • Outgoing Surface

  • Straightener Rolls Clean

  • Incoming OD Size

  • Outgoing OD Size

  • Straightness and Deburr

  • ID Tags on Material

PBS - OD Surface Condition

  • Check for pickup, ringing , etc

  • OD Surface is acceptable?

PBS - Jaw Cleanliness

  • Ensure that the jaw area is being kept clean as per the instructions

  • Jaw Cleanliness is acceptable

PBS - Jaw Marks

  • Check both ends of the tubing from the tube end to approx. 1' in

  • OD Surface check for jaw marks

PBS - Correct Cut Length

  • Measure a tube and verify acceptable length in the WO file

  • Cut Length is acceptable?

PBS - End Condition

  • Check both end of the tubing for crimping, burrs, etc

  • End Condition is acceptable?

PBS - OD Buff

  • Ensure that the buff is uniform and bright

  • OD Buff is acceptable?

Straightener

Straightener- OD Size

  • Verify specification in E Travel

  • OD Size is acceptable ?

Straightener - Hardness

  • Verify specification in E Travel

  • Hardness is acceptable?

  • Straightness is acceptable ?

STRAIGHTENER- OD Surface Condition

  • Check for pick up, ringing, etc

  • OD Surface is acceptable

STRAIGHTENER- Control Chart

  • Control charts must be fully completed

  • Control charts are being used as expected ?

POLISHER

POLISHER-Tube Ends Plugged

  • Ensure that all tube ends are plugged with proper plug prior to polish

  • Tube Ends are plugged ?

POLISHER- OD Size In

  • Verify correct size in E Travel

  • Incoming size is acceptable?

POLISHER- OD Size Out

  • Verify correct size in E Travel

  • Outgoing size is acceptable?

POLISHER- OD Surface Condition

  • Check for consistent polish and candy cane effect

  • OD Surface Condition is acceptable?<br><br>

WESTWAY

WESTWAY - Jaw Marks

  • Check both ends of the tubing from the tube end to approx 1' in

  • OD Surface check for jaw marks

WESTWAY- End Condition

  • Check both ends of tubing for crimps,burrs,etc

  • End Condition is acceptable?

WESTWAY- Correct Cut Length

  • Measure a tube and verify acceptable length in the WO file

  • Cut Length is acceptable?

LEVEL WIND

LEVEL WIND - OD Surface Condition

  • Check for consistent polish

  • OD Surface is acceptable?

LEVEL WIND- Linemark Check

  • Verify and check that it is stamped off by qualified operator

  • Line marking is acceptable?

PBS EC

PBS EC- Linemark Check

  • Verify and check that it is stamped off by qualified operator

  • Linemarking is acceptable?

Audit Summary

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