Friday, December 14, 2018

My Portable Bandsaw

So as mentioned before here is my solution for a portable bandsaw. I didn't build anything here, ha, ha, it was solved with money, but I waited for the right deal.

For many years Canadian Tire had a nice, small, portable, 18V, metal bandsaw branded "Maximum", their top in house brand. The price was $200 for the saw, charger and one battery, ell cheapo (me, ha, ha), couldn't see spending that kind of money. So I waited. I walked into the store one day and the saw and all accessories were on for half price, and they were willing to haggle a little. Turns out with the onset of ion batteries the saw was being discontinued and they wanted to clear inventory.

So for a little more than the regular price of one saw unit, I got everything you see in the picture below, except for the power supply of course. I use the saw with the mounting base in the machine shop for doing small material cut offs. I got the base for $10. Half price pus a further discount for the damaged box that looked like it had been kicked around in the warehouse for years.

I got two extra batteries with the deal but it was clear they were not going to be available for replacement in the future. I have had alot of use out of these saws for 6 or 7 years now and the batteries are holding out well. I have broke two blades in that time, but that is to be expected with such small wheels.

As a backup for when batteries can no longer be replaced I purchased a adjustable power supply. This should handle all my older battery operated tools as they die. They will then become corded tools, rather than scraping them. The power supply will handle 0-33 amps adjustable from 10-18 volts which will cover all of my older cordless tools.

Speaking of dead batteries, when I pulled the materials for the drill press, I found a old dead battery, 12V, Ryobi drill, that I had taken apart, I saved the the chuck, drive and electrical. Lots of power in this little unit. It took two battery charges, but when I built this place, I used it to drill a 1 1/4" disc out of the side of a 8" well pipe. This might be a good idea for the power unit for the sensitive drill press.

Portable Metal Cutting Bandsaw

Here is a plan for a portable metal cutting bandsaw from the January 1956 Popular Science magazine. This is definitely in the class of advanced hobby machinist. Some would say it's easier now a days to just buy one, but most know that price isn't everything, there is alot of knowledge and enjoyment generated from producing a project like this yourself.

The most difficult is probably the gear reductions, mainly the bevel gear drive box. A easier solution might be to use the bevel drive box from a angle grinder. Some might say "Why not use the whole angle grinder as the power unit?". Speed is not reduced in a angle grinder and the output speed would be to high.

I have always considered one of these, very useful for working with smaller metal shapes. Check out the next post for my solution. A saw like this won't eliminate use of a hacksaw all together, but it comes close.

Thursday, December 13, 2018

Now Where Did I Store Those Big Hunks Of Aluminum?

So not much to post today. That nice sensitive drill press plan got me thinking about materials. I know I had a couple of thick hunks of aluminum stored somewhere that might do. After a quick look through some storage boxes in one of the shops I found what I was looking for. They are both 6" long and over 2" thick at the min. point. I should be able to scale up the plan by close to 50%. While I was at it I pulled out a few other parts and materials that should help. I am in no rush on this project, probably early January, if I leave the materials out to remind me, ha, ha.

Wednesday, December 12, 2018

Sensitive Drill Press

So to make up for the other drill press plan, I did't upload, here is an excellent and easy (compared to most other plans out there) plan for a sensitive drill press. This plan comes from the "Metal Projects Book 3" by John R. Walker, mentioned previously.

Construction materials are mostly thick aluminum plate and cold rolled steel. If you can't find a couple of small 1 1/4" aluminum plates for the drill head and table support, you can cast then if you have a furnace and it will be good practice in setting cores. I have lots of small drill presses, so my preference would be for the option on page 4, I have lots of Dremel type tools and this would be perfect over the flimsy mounts they usually come with. Maybe after New Years if I feel energetic.

Check this out, enjoy.

"Aircraft Metal Work"

So here is an excellent book on aircraft metal work, and as would be expected a large section covers sheet metal work. This book was published by The US Government Printing Office in 1945 as a Navy Training Course.

In this book you will find 348 pages of great hands on instruction, covering most aspects and materials of aircraft fuselage production and repair methods. Check out the contents page below to see what is covered. It is a small djvu file but very clean and readable.

To download "Aircraft Metal Work" go to my Books - Free Downloads page, # 77 - 3.5 MB - djvu.

How To Make A Slip Roll Machine # 3

So here is the last of the Intermediate Technology Publications "Workshop Equipment" series. I have one more # 2 "How To Make A Treadle Operated Drill Press" . However the scan is of very poor quality (half pages cut off) and in my opinion it is an inferior design. I also did not upload #'s 8 and 9, I have searched, but been unable to find them.

So here is # 3 "How To Make A Slip Roll Machine". There are many plans around for this type of machine, I have posted plans for 2 or 3 other versions and I have a few more I will post in the future. This one is typical of the other plans in this series most of the materials are standard steel stock and a welder is necessary.

To download "How To Make A Slip Roll Machine # 3" go to my Books - Free Downloads page, # 76 - 2.5 MB - pdf.

Monday, December 10, 2018

A Few Short Articles

Back in the 80's Fine Woodworking published a series of manuals titled "Fine Woodworking On". The series had titles like "Making And Modifying Machines" and "Woodworking Machines" they were all composed from articles in the first 10 years (1975-1985) of Fine Woodworking magazine. I will visit these again, at a later time.

Here are a couple of short articles and the cover picture of "Making And Modifying Machines". Remember this post "Scroll Saw On Steroids", Here is a picture from the cover that was not in the posted article. It is pretty clear from this picture, that I wasn't kidding when I said "on steroids". Check out the size of timber the author is cutting here, you would need a large, tough, band saw to handle a cut like this, and the length would be limited by the throat depth. With this beast and outboard supports, you could cut to shape the center of a 16'er if you so desired.

This article was originally published in the May 1980 FW magazine. It is a tongue-in-cheek look at tool steel production. The technical details are correct the scenario is hilarious, as is the illustration, LOL.

It seems D. Gingery thought the illustration was entertaining as well, and included it in the first page, of the second edition of, "The Charcoal Foundry".

The second article today comes from the March 1980 FW magazine. This article covers a very inexpensive alternative to a jointer. You can't do the face with this, but for perfect edge surfaces, this can be faster with a better finish than a jointer. I have seen this idea a few times before, the Shopsmith Mark V combination machine has sold a disc accessory like this, for it's machines, since back in the 1950's. It is certainly safer than just cutting square with the table saw or even using the jointer.

Edit: So I don't know where my head was when I called the Shopsmith Mark V a Woodsmith yesterday, so when I noticed that today I had to correct it. While I was at it I decided to post a page from the Shopsmith 2005 accessory catalog, where they sell this disc for their machines.

At $50 it is a heck of alot cheaper than buying a jointer. Even better, it's free if you have a small furnace to cast the disc in aluminum. You can finish it on a wood turning lathe if you do not have a metalworking lathe.

Sunday, December 9, 2018

Contemporary Mahogany Desk

Here is a contemporary desk that will fit in most any location in the house, with the work table closed up it will only extend from a backing wall 16". But with the desk opened up, you have a large work surface with lots of nooks and crannies for storing supplies.

The contemporary look has no turnings or scroll work, the attraction is the large surfaces which highlight the attractive figured wood. Mahogany is used here, but other highly figured hardwoods would also be outstanding.

This project is also from the 1985 Popular Science supplement and was designed and built by Dennis Watson.

Don't forget to click on images to expand to max. before saving.

An Easy Train And Jeep

So their's still time to squeeze in a couple of quick projects in the wood shop. Young enthusiasts will love playing with these under the tree, Xmas morning. The first project is a quick and easy train for the young toddler. The second project will appeal to the little older child and is a nice reproduction of the classic Jeep.

Both of these projects were published in Rodale Press's 1990 "The Weekend Woodworker" by John A. Nelson.

Queen Anne Drop-Leaf Table

So late getting started today, but better late than never. Here is a plan for a versatile drop-leaf table. If you live in a smaller space but need a larger table for when extended family or friends visit. this table will fold up to seat two in a small space or open up to seat as many as twelve.

It has the distinctive Queen Anne look without the curvy cabriole legs. The majority of these legs can be turned on your lathe, using off-center turning techniques.

This reproduction was built and the article authored by Nick Engler in Popular Science's 1985 supplement.