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|Description=<translate>Basic Checks that an operator can carry out as a first level identification of accuracy issues</translate> | |Description=<translate>Basic Checks that an operator can carry out as a first level identification of accuracy issues</translate> | ||
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− | <translate> | + | <translate>{| class="wikitable" |
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|+External Factors | |+External Factors | ||
!Check | !Check | ||
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|- | |- | ||
|Profile Width | |Profile Width | ||
− | |Check the profile width with a Vernier gauge - is it the width it is supposed to be | + | |Check the profile width with a Vernier gauge - is it the width it is supposed to be? |
+ | |||
+ | |||
See [[Z Transom Width Measurement]] for measuring Z Transom Width | See [[Z Transom Width Measurement]] for measuring Z Transom Width | ||
|V and Y notch Depth | |V and Y notch Depth | ||
Ligne 32 : | Ligne 33 : | ||
|Check symmetry of profile carefully . | |Check symmetry of profile carefully . | ||
See [[TM016 Arrow Head Adjustment on Saw]] for further details | See [[TM016 Arrow Head Adjustment on Saw]] for further details | ||
+ | |||
+ | Reject the profile if it is not symmetrical | ||
|- | |- | ||
− | | | + | |Profile Quality |
− | | | + | |Profile is Bowed or Twisted preventing it from locating squarely in the clamps |
− | | | + | |Cut length accuracy |
− | | | + | |
+ | End Cut squareness top to bottom | ||
+ | |||
+ | V Notch Squareness | ||
+ | <br /> | ||
+ | |Reject the profile | ||
+ | |||
+ | The principle of '''rubbish in=rubbish out''' applies to all machinery | ||
|} | |} | ||
Basic Checks that an operator can carry out as a first level identification of accuracy issues
Auteur Gareth Green | Dernière modification 10/08/2023 par Gareth Green en cours de rédaction ⧼frevu-button-review-label⧽
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Basic Checks that an operator can carry out as a first level identification of accuracy issues
Check | Description | Symptoms | What to do |
---|---|---|---|
Temperature Changes | Is it winter and the profile stored outside and loaded directly on the machine?
|
Position of operations on pieces.
Seemingly random but will be worse on first pieces off the saw. |
A bar of plastic will expand by 12mm in length with a 10 degree change in temperature.
Try your machine with profile that has been indoors and is the same temperature as the machine environment |
Profile Width | Check the profile width with a Vernier gauge - is it the width it is supposed to be?
|
V and Y notch Depth
Arrow Head Position |
Adjust the profile width in the settings - this will adjust the depth of V and Y notches to match the profile width ...be sure to reset it once the problem profile is used up
|
Profile Symmetry | T and Z profiles are not extruded symmetrically | Arrow Head Position poor on one profile but not on others | Check symmetry of profile carefully .
See TM016 Arrow Head Adjustment on Saw for further details Reject the profile if it is not symmetrical |
Profile Quality | Profile is Bowed or Twisted preventing it from locating squarely in the clamps | Cut length accuracy
End Cut squareness top to bottom V Notch Squareness
|
Reject the profile
The principle of rubbish in=rubbish out applies to all machinery |
For advanced checks please click here
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