Hi Guys:
I've approached Michael Heidegger of Parken Engineering (Melbourne) to design and make me an oscillating spindle sander. So far the scenario goes that I've given him a list of criteria, he will come up with some drawings (we're at this stage), we'll then discuss the fine points and price :oo:, and then hopefully I'll be able to give the green light for production.
The main reasons why I want a custom built machine is that I want some of the best features of the big industrial machines, packed down into a portable unit. I also like the flexibility of the Rigid machine which accommodates a small platen and sanding belt as well. My criteria are as follows:
- must be portable; I would say 35kg or less
- motor, due to the sanding belt, I was thinking about 2HP (is this about right?)
- must be variable speed (VFD), I was thinking of a range of 100-2000 (your thoughts?)
- oscillation, say about 30-40mm
- working surface, probably machined aluminium to keep the weight down
- insert rings, and cover for the platen option, plastic (?), aluminium (?), timber (?)
- machine base, able to be clamped down to my assembly table
- dust extraction, above table, able to handle a 160mm flex duct which I have available for use
I would love your general input on what you would wish/want when it comes to the "ultimate" oscillating spindle/edge sander. Do you think it is a crazy idea to try to combine the two (Rigid style)? Should they be separated? Are there any desirable features I've missed? Etc.
Further, I need your know-how and experience when it comes to spindles. I've searched the internet but do not find much detail about how spindles are attached. I've examined the Jet machine at Carba-tec and it appears to have left-hand thread and some kind of collet (almost looks like MT1). Is this the best? Should I just buy the Jet Spindles and use those? Are there other spindles out there? Parken Engineering can actually make the spindles too, so any suggestions on spindle design improvement would be helpful.
I plan to use standard sizes, 1/2", 3/4", 1", 2", 3", 4", although does everyone use all these sizes?
I want the dust extraction to be worthy of BobL's admiration, which we all know sets the bar very high! At first I was thinking about a close-fitting moveable shroud for the spindle/platen, which was magnetic and could be moved around on the table. Obviously, if the table is aluminium, then the shroud will need to be attached in another way, perhaps with pins into holes in the table top, or...? Might need two different shroud styles.
Sorry, a bit of a long post with lots of questions!
Thanks for any input you guys have. Much appreciated.
I've approached Michael Heidegger of Parken Engineering (Melbourne) to design and make me an oscillating spindle sander. So far the scenario goes that I've given him a list of criteria, he will come up with some drawings (we're at this stage), we'll then discuss the fine points and price :oo:, and then hopefully I'll be able to give the green light for production.
The main reasons why I want a custom built machine is that I want some of the best features of the big industrial machines, packed down into a portable unit. I also like the flexibility of the Rigid machine which accommodates a small platen and sanding belt as well. My criteria are as follows:
- must be portable; I would say 35kg or less
- motor, due to the sanding belt, I was thinking about 2HP (is this about right?)
- must be variable speed (VFD), I was thinking of a range of 100-2000 (your thoughts?)
- oscillation, say about 30-40mm
- working surface, probably machined aluminium to keep the weight down
- insert rings, and cover for the platen option, plastic (?), aluminium (?), timber (?)
- machine base, able to be clamped down to my assembly table
- dust extraction, above table, able to handle a 160mm flex duct which I have available for use
I would love your general input on what you would wish/want when it comes to the "ultimate" oscillating spindle/edge sander. Do you think it is a crazy idea to try to combine the two (Rigid style)? Should they be separated? Are there any desirable features I've missed? Etc.
Further, I need your know-how and experience when it comes to spindles. I've searched the internet but do not find much detail about how spindles are attached. I've examined the Jet machine at Carba-tec and it appears to have left-hand thread and some kind of collet (almost looks like MT1). Is this the best? Should I just buy the Jet Spindles and use those? Are there other spindles out there? Parken Engineering can actually make the spindles too, so any suggestions on spindle design improvement would be helpful.
I plan to use standard sizes, 1/2", 3/4", 1", 2", 3", 4", although does everyone use all these sizes?
I want the dust extraction to be worthy of BobL's admiration, which we all know sets the bar very high! At first I was thinking about a close-fitting moveable shroud for the spindle/platen, which was magnetic and could be moved around on the table. Obviously, if the table is aluminium, then the shroud will need to be attached in another way, perhaps with pins into holes in the table top, or...? Might need two different shroud styles.
Sorry, a bit of a long post with lots of questions!
Thanks for any input you guys have. Much appreciated.
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