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Member postings for Thor

Here is a list of all the postings Thor has made in our forums. Click on a thread name to jump to the thread.

Thread: hobbymat milling machine
18/01/2021 10:47:38

Hi Chris,

Welcome to the forum. If you don't already have a manual, there is a Prazi-group on where you should be able to find a manual.


Edited By Thor on 18/01/2021 10:48:52

Thread: Benchtop lathe with power cross feed, looking to buy
18/01/2021 05:08:30

In addition to the Sieg SC4 you could also consider the Warco WM 250V with an inverter driven AC motor or a WM 280/290 lathe if you want a larger lathe.


Thread: Silver Soldering Materials
16/01/2021 05:13:45

You should be able to buy both brazing rods, flux and a propane torch from CuP Alloys. A butane blowtorch may be enough to silver solder(braze) small items if you can make a small hearth to prevent the heat from escaping too fast.
I use a propane torch with several different burners, large burner for large parts.


Thread: Boxford Metric conversion gears info
14/01/2021 15:32:24

Hi Peter,

There is a Boxford group on that is still active.


Thread: Oil Blackening and other Oil Issues
09/01/2021 13:11:42

I use linseed oil to blacken small steel items. Heat the steel to about 280 to 300 deg.C and apply the oil with a small piece of rag. I burn the rag afterwards, it may self ignite.


Thread: Rollo Elf Lathe
09/01/2021 07:37:59

Welcome to the forum. I assume you have already found this site, and it seems you can get some literature about your lathe. If you have - or can get centres - that fit headstock and tailstock you should be able to do some turning. If there is a club near you you may be able to get some help there to cut the required thread on a faceplate or backplate.


Edited By Thor on 09/01/2021 07:40:25

Thread: Holding drills in ER collets
06/01/2021 15:18:51

I too use my ER chuck for holding drills, especially for accurate work and if the drill has the same diameter as one of my collets so I don't have to compress the collet much. My cheap drill chuck has more run-out than the collet chuck.


Thread: Er25 collets
03/01/2021 15:39:36

Hi Oly Rag,

I got an Imperial ER-32 collets for 1" shanks just before Xmas but haven't had time to use it yet. It is shorter than the 20mm collet. I got my 1" from Ebay - Gloster Tooling.



Edited By Thor on 03/01/2021 15:40:21

03/01/2021 15:21:05

Hi Jeremy,

I have ER 32 collets that cover most of the sizes I use. I did buy Imperial ER collets for 1/8" from Arc since I have a couple of tools with 1/8" shank. Clamping a 4mm metric ER collet down to 1/8" may reduce the accuracy so I bought the Imperial collet. If you use many imperial tools a 1/4" and may be a 3/8" collet may be worth the money. A 16mm ER collet will easily clamp a 5/8" shank tool.


Thread: 2021
31/12/2020 15:06:28

Best wishes to you all for a better 2021.


Thread: Shimming Techniques
27/12/2020 04:40:10

I assume Ron is talking about these?
I have similar milling cutters (different inserts though) and I use them often.


Thread: Workshop time
26/12/2020 17:12:22

Hi Peter,

You are right, during winter I use an electric heater with a thermostat, my workshop is in the basement of my (old) house so it is reasonably well insulated and the temperature stays comfortable except on very cold days.


26/12/2020 16:52:13

Hi Peter,

During summer I rarely use the workshop, but I try to get a few hours in the workshop each day during the winter season.


Thread: Milling machine tooling
26/12/2020 04:56:27

Hi Jeremy,

I assume you already have a milling vice and clamping kit for your milling machine. As Pete says, buy some more collets or a collet chuck, I use ER collets since I can use them both on the milling machine and on the lathe to hold round work. The collet sizes I use most are from 3mm to 16mm. The sizes you need depends on what kind of work you do. Harold Hall's website has a section about grinding, cutters must be sharp.


Thread: Mery Christmas Everybody
25/12/2020 05:18:12

Merry Christmas and a Happy New Year to you all.


Thread: Thread Dial Indicator Chart?
23/12/2020 11:54:55

Hi Bo'sun,

I agree with Bazyle, when I made a 28T gear for my 290 lathe to cover pitches not covered by the 30T standard wheel I used a Module 1 gear cutter. That worked well, I guess my depth of cut was slightly deeper than usual.


Thread: Lathe stand information
21/12/2020 15:26:12

Hi Neil,

Welcome to the forum. I have a 290 lathe so should be similar to yours. I didn't buy the stand but I have included the foundation drawing. May be that can give you some help.



Thread: Reducing round stock
13/12/2020 19:23:26

For such a short distance I assume you could use the same technique with your milling machine.


13/12/2020 19:13:44

A box tool would be handy. There is also a thread on MEM.


Edited By Thor on 13/12/2020 19:20:13

Thread: After lathe manual
13/12/2020 14:43:55

Hi Chris,

Welcome to the forum. The only Denham manual I have managed to find is this.


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