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UBUHANZI
UBWIZA N'UBUZIMA
UBUKORIKORI
UMUCO N'AMATEKA
IMYIDAGADURO
IBIDUKIKIJE
IBIRIBWA N'IBINYOBWA
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IBYAMBARWA
Belt Sander: a Lathe-Driven Garnet-Belt Sander (Shop Notes, 1919)
A shop belt sander for dressing wood surfaces: a 6 in garnet-paper belt running over four crowned wooden pulleys, one driven by the lathe, pressed down onto the work with a hand float.
Best belt speed about 2,500 ft per minute; leave about 1 in between work and belt.
Source: Popular Mechanics Shop Notes for 1919, p. 3235. Picture: the article's drawing.
Hagati
Unknown
Amabwiriza
1
1
Turn the pulleys
Turn the pulleys
Build up four solid wood pulleys 10 in across with 8 in faces and turn them in the lathe with a very slight crown; too much crown harms the belt.
Ibikoresho by'iyi ntambwe:
Ikibaho cy'Igiti Gikomeye4 built-up pulleysIbikoresho bikenewe:
Imashini ikerekeza ibiti2
2
Mount the pulleys
Mount the pulleys
Mount one pulley on a firmly held arbor in the lathe and the other three on iron-pipe shafts on a frame (drawing). Turn and file a true journal on each pipe, pour babbitt bushings in the pulleys, and cut oil grooves in the pipe or babbitt. Supporting the shafts on one side lets the belt slip off; supporting both sides is stronger.
Ibikoresho by'iyi ntambwe:
Umuyoboro w'icyuma (ufite inkuta zikomeye, impera zifite amasunikiro)3 shafts
Icyuma kitazwi1 babbitt bushings
Imbaho za pinusi1 frameIbikoresho bikenewe:
Ikariso ry'Icyuma
Ikiyiko gifite utwobo
Umucumita w'Intoki
Inyundo3
3
Make the belt
Make the belt
Cut 6 in garnet paper (No. 1 1/2 for general work) so the ends just meet over the pulleys. Glue the smooth side at the joint, splice it with a strip of cloth about 1 in wide and then one about 3 in wide, cover each side with paper, and clamp between two small boards.
Ibikoresho by'iyi ntambwe:
Urupapuro rwo Gusya1 6 in garnet paper
Umwenda w'Ipamba1 igice
Ifatanyo ry'inyamaswa1 igiceIbikoresho bikenewe:
Igifata gifite ishusho ya C4
4
Set up and run
Set up and run
Run the belt at about 2,500 ft per minute using the lathe's cone pulley. Set the work about 1 in below the belt on a table or a low sliding platform (two sets of tongue-and-groove joints at right angles), start the machine and press the belt down with a float like a blackboard eraser, or a roller.
Ibikoresho by'iyi ntambwe:
Imbaho za pinusi1 platform, floatIbikoresho bikenewe:
Imashini ikerekeza ibitiIbikoresho
7- 4 built-up pulleysUmwanya
- 1 babbitt bushingsUmwanya
- 1 platform, floatUmwanya
- 1 6 in garnet paperUmwanya
- 1 igiceUmwanya
- 1 igiceUmwanya
Ibikoresho bikenewe
6- Umwanya
- Umwanya
- Umwanya
- Umwanya
- Umwanya
- Umwanya
Iki gishushanyo gikora
CC0 Umurenge rusange
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