Ìfọwọ́sowọ́pọ̀
IṢẸ́ ỌNÀ
ẸWÀ ÀTI ÌLERA
IṢẸ́ ỌWỌ́
ÀṢÀ ÀTI ÌTÀN
ÌṢERÉ
ÀYÍKÁ
OÚNJẸ ÀTI OHUN MÍMU
REVERSE ENGINEERING
SÁYẸ́ǸSÌ
ERÉ ÌDÁRAYÁ
ÌMỌ̀-Ẹ̀RỌ
ÀWỌN OHUN WÍWỌ̀
Polishing Wheel: a Leather-Faced Wooden Disc with Glued Abrasive (Boy Mechanic, 1925)
A wheel for polishing metal: a hardwood disc faced with a band of leather belting, coated with glue and rolled in abrasive powder.
Variable: the abrasive's grain.
Source: The Boy Mechanic, Book 4 (1925), p. 423. Unknown: sizes, glue and abrasive. Picture: the article.
Olùbẹ̀rẹ̀
Unknown
Ìlànà
1
1
Cut the disc
Cut the disc
Cut a hardwood disc of suitable thickness and diameter and drill a central hole to fit the shaft it will run on.
Àwọn ohun èlò fún ìgbésẹ̀ yìí:
Pátákó Igi Líle1 ẹyọÀwọn irinṣẹ́ tí a nílò:
Ayùn ẹlẹ́yìn irin
Ìlù ọwọ́ pẹ̀lú orí2
2
Face it with leather
Face it with leather
Soak a piece of leather belting in water until soft and stretch it until some water is out. Cut it a little longer than the wheel's circumference and taper (scarf) the ends so they overlap smoothly. Glue it round the face of the wheel.
Àwọn ohun èlò fún ìgbésẹ̀ yìí:
Ìlà awọ fún àmùrè — tí a tọ́jú pẹ̀lú ewéko1 ẹyọ
Lẹ̀mọ́ ẹranko1 ẹyọÀwọn irinṣẹ́ tí a nílò:
Omi
Ọ̀bẹ awọ
Búrọ́ọ̀ṣì gọ́mù3
3
Coat with abrasive
Coat with abrasive
Give the leather a thin coat of warm glue and cover it evenly with abrasive powder of the grain you want while the glue is wet. Hang the wheel up until the glue has dried.
Àwọn ohun èlò fún ìgbésẹ̀ yìí:
Lẹ̀mọ́ ẹranko1 ẹyọ
Erùpẹ̀ ìfọ́ ti aluminium oxide1 ẹyọÀwọn irinṣẹ́ tí a nílò:
Búrọ́ọ̀ṣì gọ́mùÀwọn ohun-èlò
4- 1 ẹyọÀyè
- 1 ẹyọÀyè
- Àyè
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