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Member postings for Split Pin

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

Thread: Anyone come across a 15/32 AF spanner?
13/03/2022 10:29:56

Given that it is an old English manufactured machine, the fastners are probably all whithworth, in whick case it will be 1/4" whit which requires a 3/16" whit spanner. Hexagon size is 0.454" and the spanner size is 0.445"

Steven

Edited By Split Pin on 13/03/2022 10:30:29

Thread: How many remember this
31/01/2022 11:29:41

I still have one in my tool box, not used it in many years, as Bo'sun says the resultant "O" ring was only really suitable for static applications. Getting a good clean square cut was difficult, The joint was suprisingly strong once made. Make your own "O" ring kits are still available although the cutting and joining jig is different

Thread: What’s this tap? Thread form?
10/03/2021 17:06:57

1" BSP

Thread: Lead screw gauge
17/12/2019 17:34:04

The bracket is there to prevent accidental engagement of the lead/feed screw, I found that when it was it new it was a bit notchy, Pulling the sleeve handle up to clear the notch and getting clean engagement is a bit of a knack which develops over time. It helps if you move the saddle with the hand wheel at the same time,usually away from the chuck this help aligning the half nut with the thread on the lead screw.

Steve

Edited By Split Pin on 17/12/2019 17:37:31

Thread: Crabtree B15 3 phase Stop / Start switch
15/02/2019 19:13:32

the coil is connected in series with the overload button circuit, terminals 95 and 96 this also acts as a stop button when used with its original enclosure. any additional stop button is also in series with the coil circuit. below a genric connection diagram

control.jpg

Edited By Split Pin on 15/02/2019 19:14:09

Thread: Castable refractory - any experiences with Ciment Fondu?
26/03/2018 13:32:52

Many moons ago I worked as a maintenance engineer on plant which was used for the manufacture of Castable Concrete products suitable for temperatures up to 1850C. Fondu was the cement portion used up to around 1600C
Above this Secar Cement was used. various aggregates were mixed in depending on temperature, Fire brick, Bauxite, Perlite, Vermiculite, Crushed Chrome Slag are the ones that come to mind. I don,t remember the individual breakdown. Obviously it needs a selection of graded material to make a workable mix.

Steven

Thread: Source for pneumatic fittings?
31/03/2017 13:54:30

The fittings look like they are "Enots" quite common before the modern push in variety. Each individulal part was sold seperately

Google throws up some suppliers still listing imperial sizes.

Steve

Thread: SS BA screws
01/02/2017 11:30:14

**LINK**

I have used this company and the service was excellent

Steve

Thread: Carbide tips
06/07/2016 14:00:15

A better way to find the tip size is to work out the diameter of the inscribed circle.

then the radius of the cutting point is i-material.

Simply measure from the edge of the tip to the edge of the hole and add half the diameter of the hole.

more info here

**LINK**

Steve

Thread: Ouch !!!! and a quiz
07/01/2016 22:24:51

I paid £227 for 36" of 2 1/4" X 1 1/4" PB1 in June 2014 so should be between £225/250,
Scrap price for bronze/ copper has dropped over the last twelve months so the price for new shouldn't have increased much

Steve

Thread: Need advice on electric remote control of a tap
10/05/2015 02:03:22

12V version of washing machine valve here **LINK**

Steven

Thread: Help for beginner
04/12/2012 17:13:55

"turn for grind" is as described by Bob D, it is an instruction to a skilled operater in a machine shop to indicate that there is a need for further machining on that part of the job to complete it, either a particular surface finish is required or a more precision size than would be normally achieved from commercial turning i.e 0.0001" or 0.001mm, Depending upon heat treatment method different allowances would be added, the original drawing may have been produced for in house use where all the participants understand the process of manufacture, and no doubt contains more information than is being presented by the original poster

Steve G

Thread: Vintage Steel Specification
05/04/2012 16:21:24

Googleing ubas brings up a referenace to an artcle in the New York Times from January 1912 which describes its production (sort off) No metalurgical analasis though.

Steve

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