What is the Advantage and Disadvantage of Large Angle Plates

hallo all

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just new on the forum I would be pleased to take advantage of your experience, or yor specific knowledge, about commercially avaliable adjustable angle plates.

I was looking for one to mount on optimum bf20L, which should be the same as a Champion 20V or one of the most recents amavm25lv

examples are here link and here link, they are also avaliable from other suppliers bur essentially the same tools

The one I would prefer is the second one, I think it is more rigid and it would solve my setup.

I know the discussion about imported goods but I also believe is possible to make them accurate enough, with some effort, and for the price I think is worth it

the BF20 table size is 700x180mm with 3 slots 12mm wide and spaced 62mm.

I need to mount the angle plate with its T-slots perpendicular to the x axis (or its hinge should rotate along the y axis) to use it with my fourth axis rotary head , which is aligned to the x axis, since I have to mill some angled slots otherwise it would' t have been a problem.

the angle plate lower mounting slots should have a distance of about 124mm.

unfortunately from the description of the variuos angle plates this key information is missing and that is the distance of the mounting slots on the milling machine table.

Contact us to discuss your requirements of Large Angle Plates. Our experienced sales team can help you identify the options that best suit your needs.

they describe the dimensions of the top table of the plate and the spacing of the T slots but not the mounting side which goes on the table of the mill.

I would like to know if anyone owns one of those and which one of the avaliable adjustable angle plates might fit the dimensions of my mill's slots.

Of course I could make some adjustments in case of need but not major ones which might compromise the structure of the angle plate itself

I hope I was clear.

Thank you in advance for any help

Fabio

I found it easy to make one ' using a length of round bar (20mm dia +/-) to which I bolted a flat steel plate with a few holes. In use, the bar is held in one of the table slots, or in a V-groove support or a pair of V-blocks. The 'far' end of the plate is supported by a small screw-jack and adjusted to the required angle. This is checked using a dial gauge fixed on an arm under the milling machine head, and this check allows me to adjust the rotation and the jack height to be sure that the plate surface is parallel with one axis and the correct angle to the other axis (either way round to suit the job). A simple calculation relating distance moved horizontally with increase or decrease in height of the gauge saves a lot of faff trying to measure angles in degrees. the last part I made was a steering support for a pre-war Bentley and I was told it was 'better than the original.'

Much of my work involves one-off machining, and as a pensioner I need not look too often at the time spent, so something like this meets my needs at minimal cost. Whether it will work for you, only you can say.

Cheers, Tim

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