SENI
KECANTIKAN & KESEJAHTERAAN
KRAFTANGAN
BUDAYA & SEJARAH
HIBURAN
ALAM SEKITAR
MAKANAN & MINUMAN
KEJURUTERAAN TERBALIK
SAINS
SUKAN
TEKNOLOGI
BOLEH PAKAI
Nylon Insert Lock Nut: a Nylon Collar Crimped into a Steel Nut
A nut that will not shake loose. A nylon collar sits in a recess at the top of the nut; its hole is a little smaller than the bolt, so the bolt presses its own thread into the nylon and the nylon grips it. Sauer (US 2,450,694, 1948) chose nylon over the older fibre collar: it hardly takes up water and still locks after 50 to 100 re-uses. The collar is held as Swanstrom's patent (US 2,153,681, 1939) shows: the recess wall is pressed in and crimped over it. Size M10 is ours.
The picture: a nylon-insert lock nut (Wikimedia Commons).
Pertengahan
Half a day
Arahan
1
1
Cut and turn the blank
Cut and turn the blank
Saw a blank from hex bar. On the lathe, turn the top part round, with a wall that tapers toward the top.
Bahan untuk langkah ini:
Bar heksagon keluli lembut1.5 cmAlatan diperlukan:
Gergaji Besi
Mesin Pelarik Logam
Mata alat pelarik
Angkup Vernier2
2
Drill and tap
Drill and tap
Drill through and tap an M10 thread.
Alatan diperlukan:
Gerudi Tiang
Set pemotong ulirAngkup Vernier3
3
Counterbore the top
Counterbore the top
Counterbore the top of the bore with an ordinary twist drill. It leaves a recess with a conical floor.
Alatan diperlukan:
Gerudi TiangAngkup Vernier4
4
Mould the nylon collar
Mould the nylon collar
Mould a nylon washer that fits the recess, with a hole somewhat smaller than the bolt's outside thread diameter. Nylon is thermoplastic, so scrap can be moulded again.
Bahan untuk langkah ini:
Pelet nilon2 gAlatan diperlukan:
Mesin pengacuan suntikanAngkup Vernier5
5
Seat and crimp
Seat and crimp
Push the collar down onto the recess floor. In the press, squeeze the recess wall inward against the collar and bend its top edge over it.
Alatan diperlukan:
Penekan arbor6
6
Try it on a bolt
Try it on a bolt
Screw the nut onto a bolt. It runs freely until the bolt reaches the collar, then turns stiffly as the bolt cuts a thread in the nylon.
Alatan diperlukan:
Bolt kepala enam segi - mutu 8.8Bahan
2- Pemegang Tempat
- 2 gPemegang Tempat
Alatan Diperlukan
9- Pemegang Tempat
- Pemegang Tempat
- Pemegang Tempat
- Pemegang Tempat
- Pemegang Tempat
- Pemegang Tempat
- Pemegang Tempat
- Pemegang Tempat
- Pemegang Tempat
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CC0 Domain Awam
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