Resson Technologies RD-13L User manual

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RD-13L
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Resson Technologies Co., Ltd.
Digital Readout System
Operation Manual
(Lathe)
RD-13L

Resson
Technologies Precautions
Precautions
For your protection, please read these safety instructions completely before operating the
appliance.
Selection of mains voltage●
The Digital readout unit is supplied for 100V 230V, 50Hz/60Hz, 20W max operation.～
Instructions prior to activation of unit
1. Please ensure that the voltage rating corresponds to the mains supply prior to activation.
2. If this unit is to be operayed via an autotransformer from mains supply of higher voltage,
it must be ensured that the low end of the transformer is connected to the neutral wire
of mains.
The mains connector may only be inserted into a socket with earthing contact. The protective●
effect should not be cancelled by an extension lead without an earthed conductor.
Any interruption of the earthed conductor either inside or outside of the unit or
disconnection of the earthed conductor can render the equipment potentially dangerous.
Any intentional break is not permissible.
Please install the Linear Encoder finish after that switch on the Digital Readout Unit. If●
switches on Digital Readout Unit before install the Linear Encoder not finished yet. This may
cause electronic parts burnt away of the Linear Encoder.
Do not use the instrument in an extremely hot or humid place.●
Do not use the instrument near strong magnetic or magnetic field noise place. This is the●
main reason that causes instrument error working.
Wipe the Digital readout unit surface with a soft cloth to remove fingerprints, dust, etc.●
Clean the Digital readout unit surface with a soft cloth slightly moistened with Neutral●
purger to remove serious dirt.
Do not use the organic solvent products such as oil, diesel fuel, kerosene, alcohol,etc clean●
the Digital readout unit.
Do not use the Air guns fanned Digital readout unit and Linear Encoder accessories to let●
grease, dust or bits get into the Digital readout unit. This may cause the system working
unstable and malfunction.

1 Basic Functions ............................................. 1
2REF Datum Memory ...................................... 8
3 Cone Measurement Function .........................13
4 Digital Readout Setup Function ..................... 17
5 RD-13L Specification ..................................... 23
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Basic Functions
Basic Functions
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Set the current position for that axis to zero
Purpose :
To set the current position toX Axis zeroExample :
Purpose : Switches between inch and metric display
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Example 2 : Currently in display, to switch to displaymetric inch
Example 1 : Currently in display, to switch to displayinch metric
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ABS
25.680
286.785
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ABS
25.680
0.000
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ABS
50.800
25.400
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ABS
2.0000
1.0000
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ABS
2.0000
1.0000
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ABS
50.800
25.400

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RD-15L ABSprovides two sets of basic coordinate display, they are (absolute)
and (incremental) displays.INC
During machining operations, the operator can store the work piece datum ( zero
position ) in coordinate, then switch to coordinate to continue machiningABS INC
operations.
The operator is then free to zero the axes or preset any dimensions into any
axis in coordinate for relative position machining. The work piece datumINC
( work piece zero position ) is still retained in coordinate by the .ABS RD-15L
Operator can then toggle between (absolute) and (incremental)ABS INC
coordinates without losing the work piece datum ( work piece zero position ).
Purpose :
Example 1 : Currently in display coordinate, to switch to display coordinateABS INC
Example 2 : Currently in display coordinate, to switch to display coordinateINC ABS
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ABS
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INC
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INC
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ABS

Resson
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Diameter
display
Radius
display
Purpose During the machining on lathe, because the turned part's size reduced at：
twice as much as the actual X axis cross feed increment. Therefore, to
obtain a direct diameter reading of the part that being machined, the
readout offers Radius/Diameter display for X axis.
Example 1 Radius Diameter：Currently in display, to switch to display
Example 2 Diameter Radius：Currently in display, to switch to display
ln Diameter display mode, the readout
display double of the x axis increment.
During the Diameter display, a 'd' appears
on the leftmost X axis digit display to indicate
the readout is in Diameter display mode. Also,
the display resolution is 0.01mm rather than
0.005mm as in Radius display mode.
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ABS
25.680
25.400
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ABS
25.680
d 50.800
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ABS
25.680
25.400
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ABS
25.680
d 50.800

D=45.8
Purpose Set the current position for that axis to an entered Dimension：
Example X Axis 45.800mm：To set the current position to
Application Tips : The dimension preset function provides a very convenience way
to monitor your cross feed machining, the X axis machining.
a) Switch the readout to Diameter (D) display for X axis.
b) Make a slight first cut at the work piece, after finished this first cut, move the tool away
from the work piece along the Z axis, it is important that don' t move the X axis at all in
roder to keep the X axis right at the cutposition.
Make the first slight cut
at the work piece
Move the tool away from the
work piece without any move
in the x axis
c) measure the work piece by a caliper .(i.e. The measured diameter of the work piece is 45.80mm)
d) Enter the measured diameter into the readout by the dimension preset function.
e) Since the X axis tool position is now at the first cut position, by presetting the present tool
position as the measured diameter, then from now on, whatever dimension shown on the
readout is the actual diameter dimension in the work piece.
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Dimension Preset
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ABS
25.680
286.785
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ABS
25.680
45.800
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ABS
0.000
d 0.000
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ABS
0.000
d 45.800

X
0
0
2
0
78.90
Purpose Counter provide center find function by halfing the current display：
coordinate, so that the zero point of the work piece is located at the
center of the work piece.
Example ：To set the Z Axis zero point at the center of the work piece
Step 1 ：Locate the edge finder at one end of the work piece, then zero the Z Axis.
Step 2 ：Locate the edge finder at the opposite end of the work piece.
Step 3 ：Then half the display coordinate using center find function as per follows
Now the Axis zero point (0.000)is located right at the Z center of the work piece.
Resson
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ABS
25.680
286.785
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ABS
25.680
0.000
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ABS
25.680
78.900
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ABS
25.680
78.900
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ABS
25.680
39.450

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199 Tools memory
Purpose 199：The readout offer Tools memory function, it is offered as a supplement of
coordinates. For the lathe that have a high repeatability toolABS/INC
changer, this function provides a very quick ways to memory the tool tips
offsets, so that user don't have to datum the tool tips.
Example 1 ：Currently in INC display coordinate, to switch to TOOL 1 display coordinate.
Example 2 ：Currently in TOOL 1 display coordinate, to switch directly to TOOL 9
display coordinate.
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INC
32.150
56.785
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Sdm 1
4.320
42.635
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Sdm 9
42.400
25.540
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Sdm 3
8.625
72.130

Z axis ref mark position
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Function ：During the daily machining process, it is very common that the machining cannot
be completed within one work shift, and hence the DRO have to be switched
off after work, or power failure happen during the machining process which is
leading to lost of the work piece datum (work piece zero position),the
re-establishment of work piece datum using edge finder or other method is
inevitably induce higher machining inaccuracy because it is not possible to
re-establish the work piece datum exactly at the previous position.
To allow the recovery of work piece datum very accurately and no need to
re-establish the work piece datum using edge finder or other methods, every
glass grating scale have a ref point location which is is equipped with ref position
to provide datum point memory function.
The working principal of the ref datum memory function are as follows.
-There are a permanent and fixed mark (position) in the centre of every glass
grating scale, normally called mark or point.ref ref
Since this point position is permanent and fixed, it will never change orref
disappear when the DRO system is switched off. Therefore, we simply need
to store the distance between the point and the work piece datum (zeroref
position )in DRO's memory. Then in case of the power failure or Counter
being switched off, we can recover the work piece datum (zero position) by
presetting the display zero position as the stored distance from the point.ref
Example ：to store the z axis work datum
Z axis ref mark position
Operation ：Counter provides one of the most easy to used datum memory function.ref
There is no need to store the relative distance between the mark andref
your work datum zero into Counter, whenever you alter the zero position
of coordinate , such as by zeroing, centre find, coordinate preset orABS
etc.., Counter will automatically store the relative distance between ABS
zero and the mark location into Counter's memory.ref
In daily operation, operator simply need to find the mark positionref
whenever they switch on the Counter to let Counter know where the ref
mark position is, then Counter will automatically do the work datum storage
on its' own whenever you alter the zero position. In case power failureABS
or the Counter switched off, the operator can recover the work piece datum
easily by the procedure.RECALL 0
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Function ：Because in Counter's ref datum memory function, Counter will automatically
store the relative distance between the mark position and the work pieceref
datum (zero position) whenever the operator alter the zero position,ABS
such as zeroing, centre find,coordinate preset or etc....
Therefore, Counter need to know where the mark position in prior toref
machining operation. In order to avoid the lost of work piece datum (zero
position) during any accidental or unexpected events, such as power failure
or etc...lt is highly recommend that operator find the ref mark position using
the ( )function whenever they switch on the Counter.FIND REF
Setp 1 FIND REF：Enter into the ref function, select the (find mark)ref
Step 2 ：select the axis of which ref mark needed to be found
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ABS
FIND REF
(find ref mark)
RECALL 0
(recall work zero)
select the FIND REF
(find ref mark)
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FIND REF
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RECALL 0
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FIND REF
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select X or Z
Select all axis
X,Z respectively
Or
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Z REF
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SEL AXIS

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Step 3 ：Move the machine across the center of the glass grating scale until digits display in
Counter start run.
Z axis ref mark position
(move towards positive direction)
move the machine across
the center of the grating scale
(towards positive direction)
Function ：after lost of the work piece datum due to power failure or switch off of Counter,
he work piece datum can be recover by function as per followingRECALL 0
procedures.
Step 1 RECALL 0：enter into the function, select the (recall work piece zero)ref
enter into ref function
select the recall 0
(recall work zero)
select Z axis
in this example
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Z REF
0.000
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ABS
1.250
FIND REF
(find ref mark)
RECALL 0
(recall work zero)
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FIND REF
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RECALL 0
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RECALL 0
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ABS

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Step 2 ：Select the axis of which work datum (zero position) needed to be recovered
Step 3 ：Move the machine across the centre of the glass grating scale until digits display
in Counter start run, then work piece datum is recovered.
(move towards positive direction)
Z axis ref mark position
move the machine across
the center of the grating scale
(towards positive direction)
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select X or Z
Select all axis
X,Z respectively
Or
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Z REF
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SEL AXIS
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Z REF
0.000
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ABS
1.250
select Z axis
in this example

Cone angle
Cone- cone measurement function
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Cone- cone measurement function
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-200
-200
0
0
Z(+)
X(+)
Function ：During daily lathe machining process, it is
quite common to machine a conical work
piece.
The readout provides cone measurement
function for ease of conical work piece
measurement.
Cone Measurement
Angular Direction:
Negative (Counter clockwise)
Positive (Clockwise)
Example ：Normally, the top slide on the cross slide of the lathe can be swing to an angle for conical
machining, however, there are only a very inaccurate dial marked on this top slide ln order to
obtain better conical machining accuracy, the readout offers cone measurement function for
the ease of cone angle measurement to help user to obtain a better & faster iteration process.
For example, to verify a work piece that have been machined at 20 degree on the XZ plane as shown
in follows.
a) To adjust the top slide on the cross slide of the lathe to 20 degree as accuracy as possible according
to the dial marks on the cross slide, and then start the initial conical cutting, (please make sure to
leave some metal for the final cut).
b) Using a dial indicator to start the cone measurement as per following procedure.
Set up the dial indicator as per following diagram suggested.
zero the dial indicator.
c) Enter the cone measurement function and enter the -20 degree as the cone comparison parameter.
CONE machining parameters to enter into CONE function
already entered into Counter
Resson
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enter into CONE function
cone angle (INCL ANG)=-20degree
enter incline angle (INCL ANG)
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INCL ANG
-20.000

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Cone- cone measurement function
0
0-0.05mm
d) After the cone measurement angle have been entered into the readout, the X axis zero will move as the
Z axis travel at -20 degree.
A) zero the dial indicator on one end of the work piece
0Zero the dial
indicator
since in INCL mode, the X display
is set according to Z *tan(ANG),
therefore, zeroing the Z axis also
clear the X axis.
-0.05mm (the reading shown is
the error of the conical angle)
X axis zero position will follow the Z axis position
at the angle of ANG (-20 degree in this example)
operator just move the X axis to display =0.000
it is then at highly accurate -20 degree position
to the Z axis
B) After move the machine along the Z axis, the X zero position will automatically set
at-20 degree to the Z axis. By moving the X axis position to zero (X=0.000mm),
then the dial indicator will display the error of the conical work piece from a true
-20.0 degree.
User then make a fine adjust to the top slide angle to make a closer cut to achieve
a better cone angle accuracy.
Repeat the above procedures d) until satisfactory cone angle accuracy achieved.
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ANG -20.0
0.000
0.000
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ANG -20.0
123.550
0.000

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Resson
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Anytime the operator want to check or verify if Counter's CONE calculation correct or not, or want to
temporarily exit the CONE function cycle (swap to normal XZ display).Operation are as follows:
Presently in CONE cycle temporarily swap to normal
XZ coordinate display
temporarily retum to
XZ coordinate display
swap back to CONE cycle to continue the incline angle alignmentINCL
Presently in the temporarily
XZ coordinate display Swap back to
function cycleCONE Presently in cycleCONE
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ANG -20.0
0.000
0.000
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ANG -20.0
12.345
-78.560
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ANG -20.0
12.345
-78.560
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ANG -20.0
0.000
0.000