Woodworking Technique
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Turning a closed end brush pen is so easy!
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Mikawa nagura makes waterstone slurry very quick and hone knives or chisels very soon.
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Equipment: Mini lathe, medium size drill press (for most pen brass tubes are over 12mm)
Tools: safety shield, mask, earmuff, turning chisels, pen turning mandrel, press tool, pen blank drill vise, verneer caliper, long nose plier, punches, etc.
Material: pen blanks, CA glue, abrasives, polishing sticks, carnauba wax stick.
Bushing: except for the 7mm pen/pencils, you may need extra bushing for different pens.
Drill bits: please choose as recommended
It takes time to reach precisioin and success. We recommend you to start from 7mm slimline pen/pencils due to following reasons:
1. Most pen kits are hard to remove parts from barrels. Please cehck and simulate assembly before you Really put parts together.
2. The larger tubes will create thinner barrel walls. Please choose and check pen blanks carefully if any crack, or the barrel will get broken while pressing parts.
3. You may sand the parts a little bit down to prevent breaking. If the part is too loose please put a little bit CA glue on the joint area. In any case please keep finishing area nice and clean. You should press parts very straight, if not, the side pressure will crack barrels.
4. Turn the barrel down to about 0.3mm larger than the bushing diameter. Sand the barrel diameter down to bushing in 600 - 1000 grit, and polish by stick and carnauba wax.
5. Bushing will be worn out during sanding work. Please change it periodically or barrels will be too thin.
6. Sharp turning chisel and correct curring angle are important to keep barrels from breaking.
7. Suitalbe barrel diameter will keep pen clip in good shape. If your barrel is oversized, you may break pen clips.
8. Keep pen blanks in true round or square. No matter cutting by machine or hand saw, you may fine it hard to cut precisely 90 degree. Cut it 0.2mm longer than brass tube and shave down to squre by trimmer.
9. Do not change the tube length, or the refill will extent too much after assembling.
10. Choose low-odor and non-fog CA glue. Make sure to work in dry place.
11. Pen craft requires higher precision in turning work. We suggest you to choose a good quality mini lathe with true center. A poor quality lathe will produce off-center barrels, which means different thickness outside the tubes.
Before you can really master pen turning craft, we recommend you to turn at least 100 pen kits of different kind. We are not obligated and do not refund for ill-made finished pens.
Equipment: Mini lathe, medium size drill press (for most pen brass tubes are over 12mm)
Tools: safety shield, mask, earmuff, turning chisels, pen turning mandrel, press tool, pen blank drill vise, verneer caliper, long nose plier, punches, etc.
Material: pen blanks, CA glue, abrasives, polishing sticks, carnauba wax stick.
Bushing: except for the 7mm pen/pencils, you may need extra bushing for different pens.
Drill bits: please choose as recommended
It takes time to reach precisioin and success. We recommend you to start from 7mm slimline pen/pencils due to following reasons:
1. Most pen kits are hard to remove parts from barrels. Please cehck and simulate assembly before you Really put parts together.
2. The larger tubes will create thinner barrel walls. Please choose and check pen blanks carefully if any crack, or the barrel will get broken while pressing parts.
3. You may sand the parts a little bit down to prevent breaking. If the part is too loose please put a little bit CA glue on the joint area. In any case please keep finishing area nice and clean. You should press parts very straight, if not, the side pressure will crack barrels.
4. Turn the barrel down to about 0.3mm larger than the bushing diameter. Sand the barrel diameter down to bushing in 600 - 1000 grit, and polish by stick and carnauba wax.
5. Bushing will be worn out during sanding work. Please change it periodically or barrels will be too thin.
6. Sharp turning chisel and correct curring angle are important to keep barrels from breaking.
7. Suitalbe barrel diameter will keep pen clip in good shape. If your barrel is oversized, you may break pen clips.
8. Keep pen blanks in true round or square. No matter cutting by machine or hand saw, you may fine it hard to cut precisely 90 degree. Cut it 0.2mm longer than brass tube and shave down to squre by trimmer.
9. Do not change the tube length, or the refill will extent too much after assembling.
10. Choose low-odor and non-fog CA glue. Make sure to work in dry place.
11. Pen craft requires higher precision in turning work. We suggest you to choose a good quality mini lathe with true center. A poor quality lathe will produce off-center barrels, which means different thickness outside the tubes.
Before you can really master pen turning craft, we recommend you to turn at least 100 pen kits of different kind. We are not obligated and do not refund for ill-made finished pens.
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這類三件式的塑膠傳動組裝方式都一樣, 請參考8mm跳動中性鋼珠筆說明書第4頁第6項"壓合組裝"
https://www.dastool.com.tw/eng/download.php?func=dl&d_id=55
另一種跳動傳動的組裝請看席拉跳動筆
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Measure the morse taper by verneer caliper. If the largest diameter is 12mm please choose 1MT. If 18mm please choose 2MT.
#1MT Pen Making Mandrel
#2MT Pen Making Mandrel
Measure the morse taper by verneer caliper. If the largest diameter is 12mm please choose 1MT. If 18mm please choose 2MT.
#1MT Pen Making Mandrel
#2MT Pen Making Mandrel
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先鉋平一面, 接著鉋平一垂直面, 再鉋平底面, 最後鋸出所需的寬度.
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拔蓋式的筆蓋, 是利用內部的白色膠套(防氣套)和筆尖前端環來相互扣緊的. 因為組裝時膠套必須預先裝入筆蓋內部, 容易有誤差, 利用本公司特別設計的筆蓋調整器, 伸入筆蓋中將防氣套旋轉, 調整到適當位置即可.
正常的情況筆蓋蓋入筆尖會發出"卡"的一聲, 並且筆蓋不會任意轉動. 如果筆蓋調整器也無法解決, 就是木管長度不夠精準. 在黏合銅管時沒有用絞刀將端面絞平, 導致木管長於銅管, 或是絞削掉太多, 導致銅管未達原來長度, 最後筆蓋卡進筆尖時就不會牢固.
拔蓋式的筆蓋, 是利用內部的白色膠套(防氣套)和筆尖前端環來相互扣緊的. 因為組裝時膠套必須預先裝入筆蓋內部, 容易有誤差, 利用本公司特別設計的筆蓋調整器, 伸入筆蓋中將防氣套旋轉, 調整到適當位置即可.
正常的情況筆蓋蓋入筆尖會發出"卡"的一聲, 並且筆蓋不會任意轉動. 如果筆蓋調整器也無法解決, 就是木管長度不夠精準. 在黏合銅管時沒有用絞刀將端面絞平, 導致木管長於銅管, 或是絞削掉太多, 導致銅管未達原來長度, 最後筆蓋卡進筆尖時就不會牢固.
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由於木工工具鋒利, 使用電動工具時木屑噴出及噪音問題, 對細木工有興趣的朋友, 能夠在住家附近參加社區大學或私人開辦的教學課程, 有基礎安全知識是最好的. 如果是自學, 請先閱讀細木工基礎, 有英文與簡體中文版.
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