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#1
posted to rec.boats.building,rec.boats
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Marine board finshing
I'm not a boater but I am a woodworker and was wondering if anyone can tell
me about this "starboard" or marine grade plastic sheet. I've never used it before. I'd like to know how well the edges can be finished on the material, with a sander, buffer, jointer? or? I can finish acrylic edges fine but have yet to meet a plastic that will give a good finished edge......but I had someone suggest this Starboard stuff. (would like 3/8" thick or 1/4") Thanks. |
#2
posted to rec.boats.building,rec.boats
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Marine board finshing
"Michael" wrote in message . .. I'm not a boater but I am a woodworker and was wondering if anyone can tell me about this "starboard" or marine grade plastic sheet. I've never used it before. I'd like to know how well the edges can be finished on the material, with a sander, buffer, jointer? or? I can finish acrylic edges fine but have yet to meet a plastic that will give a good finished edge......but I had someone suggest this Starboard stuff. (would like 3/8" thick or 1/4") Thanks. I never worked with it but here are some good links on cutting and finishing starboard: http://www.tacomarine.com/support/St..._starboard.htm http://www.wps.on.ca/plastic4boats/starboard.pdf |
#3
posted to rec.boats.building,rec.boats
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Marine board finshing
On Mon, 26 Dec 2005 10:30:51 -0500, "Michael"
wrote: I'd like to know how well the edges can be finished on the material, with a sander, buffer, jointer? or? I can finish acrylic edges fine but have yet to meet a plastic that will give a good finished edge......but I had someone suggest this Starboard stuff. (would like 3/8" thick or 1/4") ================================================== ==== You should be able to finish the edge by wet sanding with progressively finer grits starting around 320 and ending up at 1500 or 2000. Follow up with a quick buffing using a good polishing compound and it should be mirror smooth. |
#4
posted to rec.boats.building,rec.boats
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Marine board finshing
Starboard is a brand of polyethylene sheet sold for boat trim uses. It is
easily cut and shaped with saws, planes and routers but doesn't sand well. It weathers very well but is heavy and does not have good stiffness or strength for its weight. Being polyehylene (think milk jugs) it does not hold a finish and can only be glued using specialized and pricey adhesives. "Michael" wrote in message . .. I'm not a boater but I am a woodworker and was wondering if anyone can tell me about this "starboard" or marine grade plastic sheet. I've never used it before. I'd like to know how well the edges can be finished on the material, with a sander, buffer, jointer? or? I can finish acrylic edges fine but have yet to meet a plastic that will give a good finished edge......but I had someone suggest this Starboard stuff. (would like 3/8" thick or 1/4") Thanks. |
#5
posted to rec.boats.building,rec.boats
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Marine board finshing
"Shortwave Sportfishing" wrote in message ... On Mon, 26 Dec 2005 10:30:51 -0500, "Michael" wrote: I'm not a boater but I am a woodworker and was wondering if anyone can tell me about this "starboard" or marine grade plastic sheet. I've never used it before. I'd like to know how well the edges can be finished on the material, with a sander, buffer, jointer? or? I can finish acrylic edges fine but have yet to meet a plastic that will give a good finished edge......but I had someone suggest this Starboard stuff. (would like 3/8" thick or 1/4") It you use a high speed router, it will take a surprising well finished edge. On things that I've made with it, the edges have always been smooth and when using a hollow ground blade, fairly joinable. The main problem is getting edges to stick together if you are joining, but if you use a good grade epoxy and mechanical clamps, it will set up very nicely. You can get a fairly good finish using the technique that Wayne described. Did you find you had to slow down the router to keep the plastic from melting? |
#6
posted to rec.boats.building,rec.boats
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Marine board finshing
On Tue, 27 Dec 2005 00:41:18 GMT, "Doug Kanter"
wrote: Did you find you had to slow down the router to keep the plastic from melting? ==================== The plastic melts when the cutting bit gets too hot. Slowing down too much can actually make the problem worse. Nice sharp carbide bits are the best defense, using nice beefy bits with a 1/2 inch shank helps also. |
#7
posted to rec.boats.building,rec.boats
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Marine board finshing
Wayne.B wrote:
On Tue, 27 Dec 2005 00:41:18 GMT, "Doug Kanter" wrote: Did you find you had to slow down the router to keep the plastic from melting? ==================== The plastic melts when the cutting bit gets too hot. Slowing down too much can actually make the problem worse. Nice sharp carbide bits are the best defense, using nice beefy bits with a 1/2 inch shank helps also. we used to machine delrin parts in a shallow tub of water to prevent melting. It kept the mill cool enough to allow decent feed rates. Perhaps a mist of water (or even soapy water to keep the surface wet) to keep things cool along with high cutter speeds and low feed rates? -- "A prudent man foresees the difficulties ahead and prepares for them; the simpleton goes blindly on and suffers the consequences." - Proverbs 22:3 |
#8
posted to rec.boats
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Marine board finshing
"Shortwave Sportfishing" wrote in message ... On Tue, 27 Dec 2005 00:41:18 GMT, "Doug Kanter" wrote: "Shortwave Sportfishing" wrote in message . .. On Mon, 26 Dec 2005 10:30:51 -0500, "Michael" wrote: I'm not a boater but I am a woodworker and was wondering if anyone can tell me about this "starboard" or marine grade plastic sheet. I've never used it before. I'd like to know how well the edges can be finished on the material, with a sander, buffer, jointer? or? I can finish acrylic edges fine but have yet to meet a plastic that will give a good finished edge......but I had someone suggest this Starboard stuff. (would like 3/8" thick or 1/4") It you use a high speed router, it will take a surprising well finished edge. On things that I've made with it, the edges have always been smooth and when using a hollow ground blade, fairly joinable. The main problem is getting edges to stick together if you are joining, but if you use a good grade epoxy and mechanical clamps, it will set up very nicely. You can get a fairly good finish using the technique that Wayne described. Did you find you had to slow down the router to keep the plastic from melting? Not really, but I must admit that it gummed up the bits - you had to soak them in solvent to get the plastic off. My first router experience was interesting. Tried it in the garage, and whatever I did wrong, it send burning chunks of wood flying all over the place, including right onto a couple of those aluminum chairs with the plastic webbing. I learned how to re-web lawn chairs a few days later. :-) |
#9
posted to rec.boats
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Marine board finshing
Doug Kanter wrote:
My first router experience was interesting. Tried it in the garage, and whatever I did wrong, it send burning chunks of wood flying all over the place, including right onto a couple of those aluminum chairs with the plastic webbing. I learned how to re-web lawn chairs a few days later. :-) funny story. it reminded me of my first(and last) efforts to learn about wood-burning. i got pretty handy at self-bandaging... |
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