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Member postings for Bob Brown 1

Here is a list of all the postings Bob Brown 1 has made in our forums. Click on a thread name to jump to the thread.

Thread: Boxford AUD motor drive wheel plus reverse switch issue
30/05/2020 22:03:19

This might be useful link

29/05/2020 20:39:14

Taking the motor out may be the best way to solve the key issue.

There are variations in the switch gear and a picture of just what you have may be useful.

As for an inverter not sure that would be worth the expense as you'd need to change the motor as well.

My AUD has been faultless for a number of years and it has done a fair bit of work.

Thread: 3 phase cable for a VFD
17/05/2020 21:49:11

I used SY cable and also have a RF filter on mine all fitted in a cabinet

dscf0078.jpg

Thread: DRO Flashing
24/04/2020 10:38:22

Or the new battery is past it's best.

Thread: Central heating woes.
20/04/2020 14:27:29
Posted by Dave Halford on 20/04/2020 14:14:03:

Diverter valves are a known leak issue

 

As I found out when it tripped the RCBO on the boiler feed with water in the motor.

 

Edited By Bob Brown 1 on 20/04/2020 14:28:00

20/04/2020 09:51:25

Rad sealer will not work where parts move like diverter valves.

20/04/2020 09:35:41

I'd be inclined to investigate just where the leak is, it could be something like the diverter valve if it's a combi boiler.

Once the location of the leak is identified and the faulty part found, you should be able to order the part online. Then get a few tools out and replace it having drained down the boiler first.

There are many videos on line that show how to replace parts so not that difficult to do and before there is the outcry of gas safe, it's not a gas issue just water side.

parts

 

Edited By Bob Brown 1 on 20/04/2020 09:37:19

Thread: Boxford C Lathe
18/04/2020 22:24:12

If you look at the two pictures I posted it shows the gears set in either direction, as I have a AUD the forward and reverse probably gets used more for saddle or cross feeds rather than cutting threads. Feed options are not available on a CUD.

Why would you want too reverse the lead screw unless you were cutting a LH thread?

I usually just quickley wind the tool out (noting the depth of cut) and stop the lathe, then depending on the length of thread either, leaving the lead screw engaged, wind back by hand or carefully reverse the machine taking noting that the chuck is screwed on.

18/04/2020 20:00:37

know your lathe link

18/04/2020 16:12:31

If we are talking about reversing the lead screw then the reversing system is quite simple.

The double gear drive on the lever pivot about the shaft that shows two gears, there are three positions fwd, neutral and reverse. In its current position the headstock shaft drives through the left gear and then to the right and down the gear train. In the opposite direction the left hand gear becomes redundant and drive is direct from the right hand gear.

img_0394.jpg

img_0396.jpg

 

Edited By Bob Brown 1 on 18/04/2020 16:16:59

Thread: Soft jaws
06/04/2020 17:50:04

How many here use soft jaws to hold parts in a lathe?

I've used them in to machine multiple parts as it means there is repeatability.

Thread: Holding End Mill on small lathe
14/03/2020 19:20:11

Some mini lathes do not have a full depth morse taper in the headstock but if yours has I'd opt for a MT1 ER 25 as the range of collets is larger than ER 16. My Boxford has an ER40 on a back plate but it is a bigger lathe.image00002.jpg

Thread: New lathe
10/03/2020 19:08:32

Ask away, owning a 5" AUD for quite a few years I know it fairly well.

09/03/2020 15:35:05

I have a late 5" metric AUD so my answer would be go with the Boxford.

Thread: Speedometer Ratios
05/03/2020 10:28:31

It might be worth speaking to Speedy cables as they can recalibrate speedometers **LINK**

Thread: Cylinder bore measuring
22/02/2020 12:11:35

I have this for measuring bores 0.4" to 1.4"image00003.jpg

Thread: Basic battery charger
08/02/2020 23:16:33

Just place a good battery in parallel for around 1 hour.

Thread: Compressors
19/01/2020 13:17:51

Compressor output is usually quoted as x cfm but often miss the last bit "free air delivered" or running at atmospheric pressure.

Thread: To use chuck or collets
10/01/2020 15:42:57

You can get a collet chuck with a Myford thread as I have one on my Dore Westbury milling machine Also have an ER40 on a back plate on my Boxford which I tend to use over a 3 jaw chuck with round bar. image00002.jpg

Thread: Long bed lathes affected by the tide
30/11/2019 14:48:41
Bill Pudney

BHC had an issue with wing jigs for the BN Islander when they were subcontracted to make them and were setting them up, as the tide came in the concrete they were on moved throwing the jigs out of alignment.

 

FYI The main hanger Saunders Roe/BHC is now Wight Shipyard that build cats like Red Jet 6 and 7, the other site south of the floating bridge is now GKN making wing tips amongst other things and the training school is now also part of GKN. 

 

 

Edited By Bob Brown 1 on 30/11/2019 14:53:27

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