116 lines
1.5 KiB
Plaintext
116 lines
1.5 KiB
Plaintext
(cut a small 1/4-20 thread and part it)
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(t1 is for facing and left turning, t4 is threading tool, t9 parting)
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(proper tool offsets should be set in the tool table!)
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g20 g64 g18
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(face and turn outside diameter)
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t1 m6
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s1200 m3
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g4p1
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g43
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g0z0x.2
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f4
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g1x-.0625
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g0z.1
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x.120
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f5
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g1z-.55
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g0x.2
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(round the end)
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o100 sub
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g0z1x-1
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g41
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g0z1
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g2 x0 z0 r1
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g3 x3.05 z-3.05 i0 k-3.05
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g91
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g2 z-1.5 x1 r1.5
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g90
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g40
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g0 x4.5
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o100 endsub
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g21
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f50
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g0z1.3
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g92z0
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o100 call
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f50
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g92.1
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g0z.9
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g92z0
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o100 call
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g92.1
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g0z.5
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g92z0
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o100 call
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g92.1
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g0z.3
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g92z0
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o100 call
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g92.1
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g0z.1
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g92z0
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o100 call
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g92.1
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g0z0
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g92z0
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o100 call
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g0z0
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o100 call
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g92.1
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g0z-.025
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g92z0
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o100 call
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g92.1
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m5
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g20
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f5
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(thread)
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t4 m6
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g43
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s800 m3
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g4p1
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g0z.2x.2
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(p = thread pitch, distance per revolution)
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(z = end of drive line)
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(i = offset from drive line to thread peaks)
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( negative i means the threads are at a smaller radius than the drive line,)
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( so i is negative for outside threads, positive for inside threads)
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(j = initial cut depth; subsequent depths follow degression formula)
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(r = depth degression: 1.0 = constant depth, 2.0 = constant area)
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( any number >= 1.0 allowed)
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(k = full thread depth)
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(q = "compound slide" angle)
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(h = number of spring passes)
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(e = distance along drive line used for tapered start/end)
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(l = which ends get the taper: 0 = neither, 1 = begin, 2 = end, 3 = both)
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g76 p.05 z-.5 i-.075 j.008 k.045 h3 r2.0 q29.5 e.05 l2
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g0x.5
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g0z0
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m5
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(part)
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t9 m6
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g43
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s400 m3
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g4p1
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g0z-.6x.135
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g1x0f.2
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g0x.2
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m2
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