Cross or diamond knurls in Pro/E

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Cross or diamond knurlsin Pro/E
meldert engineering ab

• How to create a cross or diamond knurl in
  Pro/Engineer
• Developed by Thomas Meldert
• Meldert Engineering AB

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Diamond knurl definition

• A diamond knurl consists of helical grooves on a
  circular body. One set of grooves are right
  handed and another is left handed.
• Knurl pitch is the perpendicular distance
  between grooves.
• Helical pitch is derived from knurl angle.
• Diamond knurl angle a 60
• Cross knurl angle a 45
• Helical pitch pDtana

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Summary of method

• Create a helical right hand cut
• Make a pattern of it
• Create a helical left hand cut
• Make a pattern of it
• Finished

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Step 1
Insert a helical sweep cut
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Step 2
Define attributes
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Step 3
Define sweep profile
Start the sweep profile offset from knurl start
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Step 4
Define helical pitch
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Step 5
Define section
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Step 6
First helical cut completed
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Step 7
Create a left hand cut in the same way
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Step 8
Create a pattern of each cut
Derive no of grooves n from npD/P/cos(90-
a) Pknurl pitch Choose the closest integer I of
n ßpattern angle ß360/I Create pattern through
axis withI no of featuresat an angle of
ß FINISHED
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