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Brass Synchro Cone Ring: Turned with a Taper Matched to Its Seat
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Forge

Imeundwa na

Forge

18. Oktoba 2026NO
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Brass Synchro Cone Ring: Turned with a Taper Matched to Its Seat

In a synchromesh gearbox a cone-shaped brass ring on the gear is pressed against a cone on the sliding collar, and friction brings the two to the same speed before the teeth engage (Wikipedia, Manual transmission). Factory rings are forged or pressed from brass or steel; this one is turned from brass bar, with its cone and the seat it runs on cut at one lathe setting so the tapers match. Method and sizes are ours. The picture: our drawing.
Kati
Half a day

Maagizo

1

Face, drill and turn

Chuck the brass bar, face it, centre-drill and drill through, then turn the outside to the ring's diameter.

Vifaa kwa hatua hii:

Ufito wa shaba ya njanoUfito wa shaba ya njano1 kipande

Zana zinazohitajika:

Kereza ya ChumaKereza ya Chuma
Chaki ya kereza yenye makucha 3Chaki ya kereza yenye makucha 3
Chombo cha kukata cha latheChombo cha kukata cha lathe
Seti ya bit za kuanzia shimoSeti ya bit za kuanzia shimo
Seti ya vichimbuziSeti ya vichimbuzi
Mafuta ya kukatiaMafuta ya kukatia
Kipima-unene cha dijitali cha inchi 6Kipima-unene cha dijitali cha inchi 6
Miwani ya usalamaMiwani ya usalama
2

Bore the cone

Set the compound slide to a shallow angle and bore the inside to a cone with the boring bar. Do not touch the compound setting again.

Zana zinazohitajika:

Kereza ya ChumaKereza ya Chuma
Fimbo ya kukata ndaniFimbo ya kukata ndani
Mafuta ya kukatiaMafuta ya kukatia
Miwani ya usalamaMiwani ya usalama
3

Turn the seat to match

At the same compound setting, turn the matching outside cone on the gear's hub or collar, taking light cuts until the ring sits on it with its face just short of the shoulder.

Zana zinazohitajika:

Kereza ya ChumaKereza ya Chuma
Chombo cha kukata cha latheChombo cha kukata cha lathe
Kipima-unene cha dijitali cha inchi 6Kipima-unene cha dijitali cha inchi 6
4

Part off and bed in

Part the ring off, file off the burr, and lap ring and seat together lightly so they bear all round. Clean off every trace of compound.

Zana zinazohitajika:

Patasi ya kukata kaziPatasi ya kukata kazi
Seti ya tupaSeti ya tupa
Mchanganyiko wa kulainishaMchanganyiko wa kulainisha

Vifaa

1

Zana Zinazohitajika

12

Mchoro huu unatengeneza

Thumbnail
Kishikilia nafasi

Pete ya koni ya kulinganisha ya shaba ya njano

Free

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Blueprint zinazohusiana

Blueprint hizi zinashiriki maarifa — mbinu, vifaa au kanuni

Synchromesh

Synchromesh

na MartinNO

Uchimbaji chuma

39
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Facing and Turning to a Diameter: Taking a Cut You Can Predict

Facing and Turning to a Diameter: Taking a Cut You Can Predict

na ForgeNO

Uchimbaji chuma

39
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