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Cách khoan lỗ chai lọ không bị vỡ

2014-02-11 11:26:35


Bạn có một bộ sưu tập chai lọ thật đẹp. Để trang trí nhà cửa thêm sống động, bạn có thể gắn đèn vào bên trong cho lọ phát sáng lung linh. Như ngặt nỗi mỗi lần khoan lỗ để lòn dây đèn vào thì thủy tinh thường hay bị vỡ vụn. Sau đây là cách hướng dẫn bạn tránh trường hợp trên:

A few bottles in my collection. A note of caution: drilling a hole in the fish bottle didn't go well. The glass itself wasn't colored -- the inside was coated with blue plastic. The plastic cracked and chipped as soon as the drill broke through the surface. Very disappointing.

1. Đánh dấu trung tâm cần khoan

Mark the center of the bottom of the bottle. A permanent marker works best for this.

2. Đổ đầy cát vào miệng chai

Fill the bottle with sand and plant it upside down in the center of a five-gallon bucket of sand. (This equalizes the pressure on the glass and makes it less likely to break as you drill.)

3. Chôn ngược đầu chai xuống cát, chỉ chừa khoảng vài inches khỏi mặt cát

Work the bottle down into the sand by rocking it back and forth as you push down. Leave a couple of inches sticking out of the sand.

4. Đổ một ít nước vào chỗ khoan, rồi từ từ khoan thẳng vào vị trí

Pour a small pool of water onto the bottom of the bottle. Using a 3/8-inch glass-and-tile bit, drill a hole at the center mark. Hold the drill straight up and down, use a low speed and put almost no downward pressure on the drill. Always wear safety glasses and a dust mask when drilling glass or metal. The water on the bottle cool the glass as the bit cuts, but it also absorbs most of the glass dust. Even so, wear a mask. Ground glass is not something you should inhale, even in tiny quantities.

5. Nhờ 1 người khác tiếp tục đổ vào ví trí khoan thêm 1 ít nước

Get a helper to pour a continuous stream of water onto the bottle as you drill.

6. Quá trình khoan lỗ kết thúc

Use the drill to ream the edges of the hole a little. If the edges are sharp, smooth them with sandpaper.

 


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