협업
예술
뷰티 및 웰니스
공예
문화 및 역사
엔터테인먼트
환경
음식 및 음료
역공학
과학
스포츠
기술
웨어러블
Air Blower: a Hand-Cranked Fan Blow-Bellows for a Portable Forge (Hasluck, 1904)
An air blower gives a fire a steady stream of air. Hasluck's Smiths' Work (1904) shows a small one for a home-made forge: a brass box with a four-winged tin fan on an iron spindle, spun fast by a hand wheel pressing on a rubber-covered roller. Unlike old bellows it blows continuously, through an outlet 2 1/2 in wide and 3/4 in deep.
The book's drawings carry no sizes for the box, so its size, the sheet thickness and the metals of the wire and the plate are unknown here; the tools are ours.
Source: P. N. Hasluck, Smiths' Work (1904), pp. 140-143, Figs. 202-211. Picture: their Figs. 203-204.
중급
Two days
안내
1
1
Read Hasluck
Read Hasluck
"When this is all done, turn the handle rapidly; the fan inside will then revolve at a good rate, and a strong draught will be obtained."
2
2
Cut out the box
Cut out the box
Cut the two sides and the bottom of the box from sheet brass, and a piece for the top covering, but do not join them yet. Hasluck gives no sizes for the box (unknown); its outlet is to be 2 1/2 in wide and 3/4 in deep.
이 단계의 재료:
황동판1 sides, bottom and covering필요한 도구:
판금 가위
알 수 없는 치수3
3
Make the fan
Make the fan
Make the iron spindle (Figs. 204, 205). Drill two holes in each of its four sides, one at each end, tap them, and screw in pieces of wire about 5/16 in long. Cut four pieces of tin, a little narrower than the box, and punch holes in them to match. Slip each wing over its wires, put a washer over each wire and rivet it over. Five or six wings may be used; then solder pieces of wire between them to stiffen them (Fig. 211).
이 단계의 재료:
철 환봉1 spindle
알 수 없는 금속1 wire
양철판1 four wings
평와셔8 개필요한 도구:
손 드릴
나사내기 탭·다이스 세트
쇠톱(핵소)판금 가위
리벳 망치
인두4
4
Fit the spindle and close the box
Fit the spindle and close the box
Screw the brass bearings (Fig. 206), a ring with three spokes and a hole in the middle, to the two sides. Fit the iron spindle in the bearings, screw the sides and bottom together, then screw the covering over the top.
이 단계의 재료:
황동판1 two bearings
기계 나사1 세트필요한 도구:
손 드릴나사내기 탭·다이스 세트5
5
Fit the hand wheel
Fit the hand wheel
The wheel has to be bought. Turn a brass spindle for it (Fig. 207), thread it at each end and fix it with a nut to a plate (Fig. 208); put on the wheel, hold it with a washer and another nut, and fit the knob on rather loosely. Before fixing the wheel, turn a small piece of wood (Fig. 209), put an india-rubber band over it and screw it onto the projecting end of the iron spindle. Fix the wheel so it presses tightly against this roller. Instead, both wheels may be grooved and driven by a band.
이 단계의 재료:
쇠 손바퀴1 개
황동 봉1 wheel spindle알 수 없는 금속1 plate
육각 너트2 개평와셔1 개
제재 판재1 roller
고무줄1 개필요한 도구:
금속 선반나사내기 탭·다이스 세트손 드릴6
6
Fit the nose-piece
Fit the nose-piece
Cut the nose-piece from sheet brass to the pattern (Fig. 210) and bend it at right angles along the dotted lines so it fits over the outlet end of the box. Rivet or solder its two edges together, drill it and screw it on. Turn the handle quickly to test the draught.
이 단계의 재료:
황동판1 nose-piece필요한 도구:
판금 가위인두손 드릴
보안경7
7
History and honest limits
History and honest limits
Hasluck's "Home-made Portable Forges" chapter offers this fan as a cheaper, steadier alternative to the old leather bellows, costing about half as much. He adds that gun-metal is better than brass for all parts except the covering and nose-piece.
The drawings carry no sizes, so the box size, the sheet thickness and the metals of the wing wires and wheel plate are unknown; the tools are ours.
재료
11- 1 nose-piece플레이스홀더
- 1 spindle플레이스홀더
- 1 plate플레이스홀더
- 1 four wings플레이스홀더
- 9 개플레이스홀더
- 1 세트플레이스홀더
- 1 개플레이스홀더
- 1 wheel spindle플레이스홀더
- 2 개플레이스홀더
- 1 roller플레이스홀더
- 1 개플레이스홀더
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