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24-06-2015 #131
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24-06-2015 #132
I thought it was M8 fine simply as the standard M8 bolt I have didnt thread, it started and then stopped. Could have been dirt but felt like a different thread.
In terms of the mounting, yes, its around 22mm. The parker units I was looking at seem to be larger, might need to look at another option. RS Components has a number of actuators, not cheap, but have stock and variety.
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24-06-2015 #133
RS are expensive for pneumatics, but they're mostly supplying repairers who will pay extra to get a machine back up and running quickly. Parker are also expensive if you're paying full price, but machine builders get quite big discounts, which is why they're so popular.
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Try the Norgren catalogue to see if you can match the cylinders - http://www.norgren.com/uk/info/12/actuators
Once you have a part number, try googling it to see who can supply it. I've not used pneumatic actuators for a long time, but the hardest part was always identifying what you need.
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There is a possibility the threads could be imperial, so could be worth investing in a couple sets of imperial and metric thread pitch gauges, as pneumatics/hydraulics still use quite a bit of imperial.Avoiding the rubbish customer service from AluminiumWarehouse since July '13.
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24-06-2015 #134
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24-06-2015 #135
Actually, thinking about it last night, when I checked, I was in a rush. I grabbed a bolt which I thought was M8 but I think its M10. Ill measure tonight to be sure. Ive found what I believe to be the same Joucomatic part as what is on the up / down, its also 10mm. The mounting nut is 22mm which is correct.
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24-06-2015 #136
These guys will probably have what you want and just over hill in sheffied. . . . http://www.airaccessories.co.uk/
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The Following User Says Thank You to JAZZCNC For This Useful Post:
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24-06-2015 #137
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24-06-2015 #138
OK, the thread is M10 fine for the actuators. M10 x 1.25, all the specs are the same.
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24-06-2015 #139
this is weird, the last time i changed one of these i had no problem getting an exact replacement and as low as £12. It was a couple of years ago but there were loads about.
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25-06-2015 #140
When I replaced a pneumatic lift ram on my SCM I contacted a company in Derby - SGS - tel no. 01332 576850. I ordered a ram at 4pm on a Friday and was told I could collect at 8 am the next morning. I thought that was fantastic service and the cost was less than 50% of the SCM part, I simply had to tell them the required cylinder dimensions, stroke, force rating and end connection details. I don't know if this helps, but it is probably worth a try. G.
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