Thread: Denford VMC1300 - Rescued
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25-12-2016 #1
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17-01-2017 #2
With xmas out of the way I managed to get some time in the shed. After struggling to get the thing onto my workbench I removed the covers.
I was able to have a poke around and establish that it did actually have steppers and ballscrews (I was worried it had been gutted of useful parts).
The Z-axis stepper has a sticker that I hope will help me identify it.
As far as I can make out it looks like the part number is M60STH88-3008D and it was made by / supplied by Motion Control Products.
Poking around their website ( http://motioncontrolproducts.com/) I found a spec sheet for a M60STH88-3008DF I'm not sure of the significance of the F on the end.
I've also discovered that the contol cabinet is accessed from the back not the side as I originally thought. This means I need to move the thing again to get access.
Oh and I haven't been able to release the tool holder, does anyone know if I just need to pull on the lever harder or if there's a drawbar or somewhere I can tap to break the taper?
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18-01-2017 #3
That datasheet should be good enough. The main thing is once you have the machine running, make sure the steppers aren't getting too hot.
Is that a brake assembly on the end of the stepper?
You'll want to check the other stepper motors, as X and Y are often fitted with smaller steppers than the Z.
Regarding the tool holder, if it's been in there for a while, there may be a bit corrosion helping to stick it. You might need to get somebody to push/pull the release lever, while somebody else gives the toolholder a hit downwards with a hammer and block of wood.Avoiding the rubbish customer service from AluminiumWarehouse since July '13.
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18-01-2017 #4
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18-01-2017 #5Avoiding the rubbish customer service from AluminiumWarehouse since July '13.
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18-01-2017 #6
I wouldn't swing on anything if it were my mill!
if you remove the casing/cover around the spindle you will probably see a spindle motor connected to the atc spindle via a belt - that's how denford normally do it.
above the atc spindle is a powered drawbar, you need to remove the powered drawbar and then hit the end of the atc spindle with a hammer to release a tool.
all the powered draw bar down is push down on the sprung tip of the spindle atc
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19-01-2017 #7
The manual toolchange VMCs have no pneumatics, instead you get a big lever on the side of the head for releasing the tool. I'm assuming underneath the cover, it's the same spindle/drawbar/spring stack as an ATC version, it's just using a lever instead of a pneumatic actuator.
Provided the lever is compressing the spring stack correctly, then all it's likely needing is somebody to pull the lever, while somebody taps the toolholder to give it a bit helping hand to pop it out.
I'd certainly be trying that before going to the extent of stripping of the spring stack and drawbar.Avoiding the rubbish customer service from AluminiumWarehouse since July '13.
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18-01-2017 #8
The F means a flat on the shaft.
I sold those motors to denford when i worked at MCP, many moons ago.Visit Us: www.automationshop.co.uk
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18-01-2017 #9
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