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Member postings for speelwerk

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

Thread: Tempering
31/12/2018 12:16:43

For me the easiest way to controlled temper is the flame of a spirit burner with just enough heat to the reach temperture and the object inbedded in a tray with brass filings. Niko.

Thread: Christmas disaster
26/12/2018 12:39:15

When the oven fails I still have a industrial one as back-up, go's to 900C, probably high enough for the turkey. Niko.

Thread: 2.05mm or #45?
13/12/2018 21:37:34

No doubt it will differ from drill to drill but I have the impression that with these smaller sizes, if you first use a drill 0.1 mm undersize and than finish with the size you actually want, it gives you a hole diameter closer to the nominal. Niko.

Thread: Truing up
15/11/2018 18:55:05

Axminster writes:

"The aluminium oxide has no effect on the diamond surface itself, except to restore its free-cutting action."

and I read that as it only cleans and does not true.

As Nick writes, best seems to be to true the aluminium relative to the diamond, but you have to be careful not to damage the diamond face if you clamp the grinding wheel. Niko.

Thread: Small slitting saws
15/10/2018 00:33:19

Is it not possible to make the cross piece fit the slot, that way the diameter of the saw is not critical. Niko.

Edited By speelwerk on 15/10/2018 00:33:48

10/10/2018 22:01:01

Arntz **LINK**have a good metric range of small slitting saws, it is a German based compagny but curiously only the Dutch and the US agents have the small ones. The direct link does not work, you find it by; Circular Saw Blades - Metal Circular Saw Blades and then at the end of the page you go to DIN 1837-1838. The 2 mm thickness will probably make a slit around 0.02 mm wider. If you clamp two of 1 mm together it will be less accurate and very close to your desire and if you want it a little wider you can clamp a shim from 0.02 mm or more in between. Niko.

Edited By speelwerk on 10/10/2018 22:02:32

Thread: What do you call this type of chuck?
14/09/2018 18:45:01

Very nice to use but not cheap, **LINK**


Thread: Facing Error
14/08/2018 11:52:21

Gary Wooding in the posting "Lathe facing convex or concave" made a nice drawing of what the DTI is indicating. Sorry, no idea how to make a direct link to that posting so you have to look it up. Niko.

12/08/2018 17:42:30

In theory you messure double the error of around 0.12 mm. Niko.

Thread: can i silver solder cast iron
28/02/2018 09:48:24

The few times I have done it I sandblasted the parts first. Niko.

Thread: Myford vertical slide copies
28/01/2018 12:00:43

The original Myford one I have is OK, only problem I had is that I pulled out the studs of the swivel part. It was when in use for cutting a larger size wheel, replaced the original ones with M10 ones. Niko.

Thread: hardening/tempering a bit of steel
02/01/2018 14:50:27

If you have a gas stove and the part is not too large you can also use that. After waiting until you have the house for yourself, just remove the cap of the largest burner which will give you a good hot flame. Niko.

Thread: Metal supplier in Netherlands
24/12/2017 10:45:38

Beste is een goede relatie met je lokaal constructiebedrijf, je kan **LINK** proberen alhoewel ze niet echt goedkoop zijn. Niko.

Thread: Peculiar needle file
20/12/2017 14:33:06

Until a few years ago the thinnest Vallorbe had was 0.33 mm, although not with this type of handle. I used them for work on very narrow spaced music box combs. Now use slitting discs which go even thinner. They have a single straigth cut, were expensive and indeed break very quick. Niko.

Thread: Trying to identify clock mechanism
12/12/2017 21:30:42

The clock you have is a so called "Zaanse klok". De Zaan is a region just north of Amsterdam, it is a copy of the clocks made in the 17th century in that region, probably from ca. 1970. It was most likely made by Warmink a clockfactory in Almelo in the east of the Netherlands which in 2008 stopped production. The movements were imports from western Germany. These new copies are almost worth nothing this in contrast to the original ones which can be very expensive, see **LINK** Niko

Edited By speelwerk on 12/12/2017 21:32:55

Thread: Evading VAT and Import Duty
09/12/2017 20:50:48

VAT is a EU tax, when the UK has left the EU it should no longer apply to UK citizens. Niko.

Thread: Right hand threads
29/10/2017 20:02:39

Most likely someone from the European continent, if threads was a British invention left handed would have been the norm. Niko.

Thread: Help me Obi-Wan_Knobi, you're my only hope!
20/09/2017 20:17:37

The 8 tooth is also available **LINK** Niko.

20/09/2017 13:08:09

Madler **LINK** has the 10 tooth gear, all be it 4 mm width but anyone with a lathe can reduce that easily. The 8 tooth gear will be more difficult to get as Andrew allready wrote. Niko.

Thread: Bench Vice
09/09/2017 19:17:04

The very best non British made one **LINK**


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