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Details about  DRO Digital Readout Counter for Industrial Machine Tools Lathe Milling Grinding

DRO Digital Readout Counter for Industrial Machine Tools Lathe Milling Grinding

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Item condition:
24 May, 2014 22:18:17 BST
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Item location:
Nottingham, United Kingdom
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Item specifics

New: A brand-new, unused, unopened and undamaged item in original retail packaging (where packaging is ... Read moreabout the condition




These DRO's (digital readouts) have many advanced functions built in.


From the pull down box (above to the right of the picture) selection can be made of different models of DRO.

Payment can be by paypal, cash, cheque, bank transfer (internet banking) or for companies a VAT invoice can be issued. A VAT receipt will be sent with item.

Price includes technical assistance to connect your scales to these readouts.

On the rear are input connectors for connecting measuring encoders, these may be either linear reader heads (glass scales, magnetic tape or other linear encoders) or rotary encoders.  Each Axis has a separate connector with connections for the industrial standard A and B quadrature square wave and for the reference (reset) pulse (when used). Measurements are derived from the A and B signals. The display of each axis can be reset to zero or set to defined value either manually or when there is a trigger pulse on the rerence input.


Some of my other ebay listings have suitable measuring encoders and other types of digital readout listed.

Often this type of display is used to display the distance a machine head/axis has moved, or distance a machine bed has moved - on :-

Machine Tools (Lathes, Grinding, Milling, EDM Machines, Marking Out Machines etc)


Other Industrial Machines in Factories or Home Workshops

Each axis display may be set to display linear measurement (mm or inch) or anglear movement from a rotary encoder (decimal degrees or degrees/minute/second). Note that a rotary encoder can be used for either linear measurement or rotary measurement dependent on the machine it is mounted to.

Linear or Rotary encoders can both be used for linear measurments with facility to input encoders with resolutions of   0.5   1.0   2.0    5.0   and 10 micron. The input signals are standard A B quadrature square waves. It is possible to use with encoders of some other resolution if additional electronic devices are used - also note that to use the display with older analogue (sine wave) encoders, a seperate interpolator is needed. I can help if you have queries about the suitability of this readout for use with your existing machine and encoders. Please use the "Ask a Question" below this text or phone 07761649229.

There is facility to input a linear correction factor for each axis, or to input non-linear error corrections.

Each axis can be switched between a absolute and relative measurement. The display for each can be set to zero or set to a pre-set value.


There are 200 Sub Datum positions for programming in SDM mode on Lathe DRO's. There are the usual other lathe functions e.g radius/diameter switching.

The display can be switched back and forth between metric and imperial and the imperial display resolution can be set seperately to the input encoder resolutions.

The Milling DRO'S have a smooth and a round function for following curves, and there is a function for PCD (pitch circle diameter). There are a number of other features like chambering, tool compensation, machining oblique planes and bevels.


There are too many other features to list here for each type of DRO.


There is also a built in calculator in all DRO's.


There are other models of this DRO not listed here, some I have other listings on ebay for and others I can supply if asked. I have another ebay listing for a DRO to suit Grinding Machines, and another with functions to suit EDM Electric Spark Eroding Machines, There is a 3-axis Lathe DRO which allows for the axis of the working stage to be added to the Lathe Z axis when both axis are in line. Some models of DRO are available with the optional RS232/Printer output for digitizing or printing positions - I have to get these to order.

I have many years experience of installing this type of equipment in industry. Usually adapter cables have to be made to wire the output from a machines encoders, to the input of the DRO. I can make adapter leads and list as a 'buy it now' listing if you require cables making for your machine.

If you need help deciding if this DRO is suitable for your machine please use "Ask a Question" below or phone 07761649229.

I can travel to your site to install this equipment. Additional payment is required for travel costs and time on site.

Postage is Free for UK mainland, there might have to be a increase in postage for some non-mainland locations. Can be sent to Europe for £18 - some countries might have to be charged extra to cover postage cost, while some will get a refund of some of the postage cost when courier costs are lower. It is very difficult knowing how much a courier for another country is going to cost until you actually post an item.

The DRO can be collected (or viewed) from either Nottingham NG8 1PQ or Alfreton DE55 1EN areas

Installing this type of equipment can sometimes require specialist knowledge. I am prepared to travel to your site and and make suitable adapter cables to connect this DRO to your machine if I am paid for travel expenses and time on site.

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Seller assumes all responsibility for this listing.

Postage and packaging

Item location: Nottingham, United Kingdom
Postage to: Europe
Domestic dispatch time
Will usually dispatch within 3 working days of receiving cleared payment[newWindowTxt].

Returns policy

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Returns accepted
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