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Pine Boards with a Chainsaw Mill
A chainsaw mill is a frame that holds the saw's bar flat at a set height, so the chain rips a log lengthways into boards. The first cut rides on a straight board screwed to the log; every later cut rides on the flat face before it. The green boards are then stacked on stickers to air-dry.
Pine dries fast: a 25 mm board can reach about 14 % moisture in 60 to 90 days in good drying weather. Oak and other slow species take far longer.
Menengah
1 day milling, 2–3 months drying
Instruksi
1
1
Pick and prop the log
Pick and prop the log
Choose a straight pine log, 2.5–3 m long, without large knots. Prop it on two short logs so it cannot roll and the chain will not reach the ground.
Material untuk langkah ini:
Gelondong kayu lunak1 buahAlat yang dibutuhkan:
Meteran Gulung2
2
Fit the mill
Fit the mill
Bolt the mill to the chainsaw bar following its maker's instructions. A ripping chain cuts along the grain faster and smoother than a crosscut chain.
Alat yang dibutuhkan:
Gergaji mesin (kelas kehutanan profesional)
Rangka belah gergaji mesin3
3
Screw on the guide board
Screw on the guide board
Screw a straight board along the top of the log, level from end to end, as the rail for the first cut. Check it with the straightedge and level.
Material untuk langkah ini:
Sekrup kayu6 buahAlat yang dibutuhkan:
Papan pinus
Bor Tanpa Kabel
Mistar lurus
Waterpas4
4
First cut
First cut
Wearing helmet with visor, ear protection, gloves and boots, run the mill along the guide board and take off the top slab. Remove the guide board.
Alat yang dibutuhkan:
Gergaji mesin (kelas kehutanan profesional)Rangka belah gergaji mesin
Helm pengaman
Penutup telinga pelindung
Sarung Tangan Kerja Kulit
Sepatu bot pengaman berujung baja5
5
Cut the boards
Cut the boards
Set the mill a few millimetres thicker than the finished board, to allow for shrinking and planing. Run each cut on the flat face left by the one before.
Alat yang dibutuhkan:
Gergaji mesin (kelas kehutanan profesional)Rangka belah gergaji mesinMeteran Gulung6
6
Seal the ends
Seal the ends
Paint both ends of every board with end sealer the same day, to stop them splitting as they dry.
Material untuk langkah ini:
Penutup ujung (lilin parafin)0.5 liter7
7
Sticker the stack
Sticker the stack
On a level base at least 30 cm off the ground, lay the boards in layers with a gap between them, each layer on stickers every 40–60 cm, the stickers one above the other.
Material untuk langkah ini:
Ganjal kayu (penyekat pengeringan)30 buahAlat yang dibutuhkan:
Palet kayuWaterpas8
8
Cover and weight
Cover and weight
Cover the top of the stack against rain and lay weight on it to keep the top boards flat; leave the sides open to the air.
Alat yang dibutuhkan:
Terpal9
9
Measure the moisture
Measure the moisture
After 2 months, read a board from the middle of the stack. Air-dry outdoors reaches about 12–15 %; bring boards for furniture indoors to settle at 6–8 % before working them.
Alat yang dibutuhkan:
Pengukur kadar air10
10
Troubleshooting
Troubleshooting
Chainsaw milling troubleshooting.
Flow
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Bahan
4- 1 buahPlaceholder
- 6 buahPlaceholder
- 0.5 literPlaceholder
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