Ubufatanye
UBUHANZI
UBWIZA N'UBUZIMA
UBUKORIKORI
UMUCO N'AMATEKA
IMYIDAGADURO
IBIDUKIKIJE
IBIRIBWA N'IBINYOBWA
UBWUBATSI BUSUBIRA INYUMA
UBUMENYI
SIPORO
IKORANABUHANGA
IBYAMBARWA
Cam Ball Race Pair for a Load Cell Zero Check
Arthur C. Ruge (US Patent 2,472,047, granted 1949) · Public domain (expired patent)
Forge

Yaremwe na

Forge

14. Ukwakira 2026NO
29
0
0
0
0

Cam Ball Race Pair for a Load Cell Zero Check

Two grooved rings that sit on top of Ruge's load cell. Turning the upper one rides its balls up shallow cam ramps and lifts the load a few thousandths of an inch, so the zero can be read without moving the tank.
Hagati
A few hours

Amabwiriza

1

Watch: boring a hole on a lathe

Boring a hole step by step on a metal lathe.
2

Turn two rings

Turn and bore two rings from round bar: the lower to sit on the shell, the upper with a centre opening larger than the piston top.

Ibikoresho by'iyi ntambwe:

Umurongo uziguye w'icyuma cyorohejeUmurongo uziguye w'icyuma cyoroheje1 igice

Ibikoresho bikenewe:

Umucumita w'IbyumaUmucumita w'Ibyuma
Imashini yo guhinguza icyumaImashini yo guhinguza icyuma
Igiti cyo gukata imbere mu mwoboIgiti cyo gukata imbere mu mwobo
Amavuta yo gukataAmavuta yo gukata
3

Groove the races

Turn a ball groove in the facing sides, and one in the top of the upper ring for the second row of balls.

Ibikoresho bikenewe:

Imashini yo guhinguza icyumaImashini yo guhinguza icyuma
Kalipe ya VernierKalipe ya Vernier
4

File the cam ramps and bar holes

File the lower groove into very slight ramps, one per ball. Drill a row of recesses round the upper ring's edge for a turning bar.

Ibikoresho bikenewe:

Amakariso MenshiAmakariso Menshi
Icyuma Cyivumbura GihagazeIcyuma Cyivumbura Gihagaze
Ifatiro ry'AmezaIfatiro ry'Ameza
5

Limits

Ruge's patent gives the part's shape and job but no material or size. Mild steel and silver-solder brazing are our choice; size it to the load you need. Lathe method after Palmateer, Elementary Machine Shop Practice (1918).

Ibikoresho

1

Ibikoresho bikenewe

8

Iki gishushanyo gikora

Thumbnail
Agateganyo

Inzira ebyiri z'amapira zifite kame

Free

34
0
1

CC0 Umurenge rusange

Iyi blueprint yasohowe munsi ya CC0. Ushobora gukoporora, guhindura, gukwirakwiza no gukoresha nta kwemererwa.

Shyigikira Umuremyi ugura ibicuruzwa binyuze muri Blueprint ye Komisiyo y'Umuremyi byashyizweho n'Abacuruzi, cyangwa kora verisiyo nshya y'iyi Blueprint ukayinjiza nk'isano muri Blueprint yawe kugira ngo musangire inyungu.

Ibiganiro

(0)

Injira kugira ngo ujye mu biganiro

Gutegura ibitekerezo...