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Topic Title: 30 year old Italian metal saw
Topic Summary: No speed changover
Created On: 04 January 2013 05:41 PM
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 04 January 2013 05:41 PM
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Davesparx

Posts: 262
Joined: 30 October 2009

Evening all and happy new year. I have had a bit of a mare today. Arrived on site to wire up this piece of kit onto an existing commando outlet. Wired the motor as I normally would and fired up the saw. The blade was spinning backwards at first and changing L1 and L2 round sorted this out.
This fired up the saw fine and also started the lube pump when the saw was engaged. The problem is that our client is adamant that the saw has 2 speeds. There is no other buttons or dials other than the rotary switch for on / off. I cannot disprove what he is saying as we never saw it running prior to its arrival from an auction! If anyone has any experience with this type of kit any feedback at all would be great. From my limited experience metal saws don't rev too high anyway. It is made by Bollero for the record. Many thanks, Dave
 04 January 2013 05:48 PM
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DOUGIE1000

Posts: 4161
Joined: 13 August 2005

Prob a switch that killed a phase to reduce speed, that's only way I can really see it without a variable speed driver.

Edited to add, not recommended however

-------------------------
Dougie
Power Plus Electrical.co.uk

My mission is to live as long as possible......so far so good!
 04 January 2013 06:01 PM
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AncientMariner

Posts: 511
Joined: 14 December 2004

1. How many wires between the motor and the switch?

2. Does the wiring of the switch look as if it is simply on/off?

I can't quite see why you would want a two-speed saw. Surely the speed is optimised to the blade and thus fixed.

Sounds like the saw was mis-described at the auction?

Buyer beware and all that...

Cheers!

Clive

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Clive S Carver GCGI IEng MIET
 04 January 2013 06:05 PM
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Fm

Posts: 653
Joined: 24 August 2011

How do you sign off a bit of kit that more than likely doesnt comply?
Does it stop within 10 seconds?
Not being critical,,as i have the same problemmand was wondering if anybody else can help

Can dc braking be retro fitted?
 04 January 2013 08:58 PM
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Davesparx

Posts: 262
Joined: 30 October 2009

To be honest I did mention to the client that it was a bit lacking in guards and emergency stops!! The switch is wired as an on/off so I really could not see how it was supposed to speed up. Your probably right Clive in thinking it was mis-described.
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