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Summary of Contents for ZS Instruments DR300UN
- Page 1 Digital Readout Manual 8.8.8.8.8.8.8.8 0.0.0.0.0 TL01 F0.0ipm 8.8.8.8.8.8.8.8 0.0.0.0.0 8.8.8.8.8.8.8.8 0.0.0.0.0 Revision 1.6 ©ZS Systems LLC All Rights Reserved...
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Page 2: Table Of Contents
Table of Contents Introduction Product Overview .....................................3 Installation Mounting ......................................4 Grounding ......................................6 Cables ........................................6 Standard Functions Units ........................................7 Absolute and Incremental Modes ..............................7 Sub-datum Mode ....................................9 Feed-rate ......................................11 Sleep Mode .......................................11 Zero Reference Restore ................................12 Calculator ......................................13 Mill Functions Centerline ......................................14 Incline ........................................14 Smooth Radius ....................................17 Bolt Circle ......................................19... -
Page 3: Introduction
Introduction Thank you for purchasing ZS Instruments DR300UN DRO. Your new digital readout is capable of many advanced features that make machining operations fast and easy. This guide will cover the installation and setup of the unit, as well as how to use all of the included features. -
Page 4: Installation
Installation Mounting The DRO has different types of arms for mounting to a mill or a lathe. Check that you have the correct type of arm for your machine before attempting to install the DRO. Due to the large number of machines and mounting configurations that are supported by the unit, hardware for securing the mounting arm to the machine is not included. - Page 5 Lathe Mounting Step 1 Determine the ideal mounting location for your particular machine. Using the mounting base as a guide, center punch, drill, and tap two holes of the same size and thread type as the screws you will be using. Attach the arm assembly to the machine as shown. Use the four set screws to level the mounting arm.
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Page 6: Grounding
Installation Grounding Once the DRO is mounted to the machine, it must be grounded. Using a 3 prong grounded outlet is sufficient; however we also recommend connecting a ground terminal on the back of the DRO unit to the machine ground with AWG 12 wire. -
Page 7: Standard Functions
Standard Functions Units Your Digital Readout can be set to display position in either imperial or metric units of measure. Imperial units are displayed in inches while metric units are in millimeters. Note that changing units will not affect current position and you may switch the active units at any time. - Page 8 Standard Functions Zeroing or Presetting Axis Position In either absolute or incremental mode, the current position can be zeroed (setting the origin to the current position) or preset to any number (offsetting the origin from the current position by the specified distance). The value for each axis is set independently.
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Page 9: Sub-Datum Mode
Standard Functions Recall Last Value In incremental mode the digital readout can recall the last preset value entered for each axis. This function is useful when the same move must be repeated several times. Example: a part requires a series of holes to be drilled at 2.25 inch intervals along the X axis. The recall function can be used to quickly get the same offset each time Step Buttons... - Page 10 Standard Functions Set Sub-datum Setting a sub-datum point assigns an offset to that datum from the absolute zero. Sub-datum points can be set either by sensing the current tool position in relation to the absolute origin or by explicitly entering an offset from the Abs zero. Values for each axis are set independently, so it is possible to choose different methods for different axis.
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Page 11: Feed-Rate
Standard Functions Toggle Between Incremental and Sub-datum Mode Once a datum has been set and recalled, you can toggle between sub-datum and incremental modes just like between absolute and incremental. Press the abs/inc button to toggle between sub-datum and incremental modes. DT001 TL01 F0.0ipm... -
Page 12: Zero Reference Restore
Standard Functions Zero Reference Restore To allow the user to recover the position of the tool after a power loss, this digital readout is equipped with a zero reference restore function. To enable this feature, a reference zero must be set prior to loss of power. Each axis must be set and recalled independently. -
Page 13: Calculator
Standard Functions Calculator The digital readout comes with a built-in calculator, which can be used to perform simple mathematical and trigonometric functions. Type on the numpad to enter the desired numbers and the various operator buttons (+, –, *, ÷) followed by equals (=) to solve. -
Page 14: Mill Functions
Mill Functions Centerline To set the midpoint between zero and the current position as the new zero for the selected axis, use the Centerline function. This function can be used in absolute or incremental mode and is axis-specific, meaning that you must select an axis on which to perform the function. - Page 15 Mill Functions To Create a New Incline Feature: Step Buttons Information Screen 1 Press the incline button to access the incline feature ***INCLINE*** 1-New 2-Load 2 Press 1 to setup a new incline program 3 Select a cut plane using the up and down arrows, then Cut Plane press OK to confirm 4 If you chose the XY plane:...
- Page 16 To Recall a Saved Incline Feature: Step Buttons Information Screen 1 Press the incline button to access the incline feature ***INCLINE*** 1-New 2-Load 2 Press 2 to load an existing incline program Load Select the program you would like to load using the up Incline 01 and down arrows, then press OK to confirm 3 The DRO will cycle through all of the setup parameters...
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Page 17: Smooth Radius
Mill Functions Smooth Radius To machine a radius or rounded feature in any plane, use the Smooth Radius feature. When machining a Smooth Radius feature the digital readout will sequentially display the coordinates of the two axes where the tool needs to be positioned to create the curved surface. - Page 18 Mill Functions Step Buttons Information Screen Enter the starting angle using the numpad Start Angle: Press OK to confirm 0 Deg Enter the ending angle using the numpad End Angle: Press OK to confirm 90 Deg Enter the radius length using the numpad Radius: Press OK to confirm 1.5 in...
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Page 19: Bolt Circle
Mill Functions Bolt Circle To automatically calculate the position of holes in a circular pattern use the Bolt Circle function. It requires the following inputs: • The position of the center of the circle • The number of holes to be drilled (up to 999) •... - Page 20 Mill Functions Step Buttons Information Screen Enter the number of holes using the numpad or the up Number of Holes: and down arrows Press OK to confirm Enter the starting angle using the numpad Start Angle: Press OK to confirm 0 Deg Enter the ending angle using the numpad End Angle:...
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Page 21: Bolt Array
Mill Functions Bolt Array To automatically calculate the position of holes in a linear pattern, at any angle, use the Bolt Array function. It requires the following inputs: • The position of the starting point of the array • The angle of the array (counterclockwise from the three o’ clock position) •... - Page 22 Mill Functions Step Buttons Information Screen Enter the distance between holes using the numpad Dist Btwn Holes: Press OK to confirm 1.25 in Enter the number of lines using the numpad or the up Number of Lines: and down arrows Press OK to confirm Enter the distance between lines using the numpad Dist Btwn Lines:...
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Page 23: Tool Compensation
Mill Functions Tool Compensation When tool compensation is enabled, the digital readout will offset the displayed position by the 1/2 tool diameter from the actual position, Z coordinate will be also adjusted per tool length offset (if any). This feature allows a part to be machined directly using the dimensions from the drawing. - Page 24 Using Tool Compensation Once a tool is selected, compensation in the Z direction is automatically applied. The compensation required in the X and Y directions is based on the position of the tool in relation to the part. The +/- button cycles through the possible cut directions, which are displayed on the information screen.
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Page 25: Lathe Functions
Lathe Functions The 3 physical DRO axis displays are labeled as X, Y, and Z. When the DRO is installed on a lathe, the cross travel (X) will be shown on the X axis display, the longitudinal travel (Z) will be shown on the Y axis display, and the compound travel (Z’) will be shown on the Z axis display. -
Page 26: Axis Vectoring
Axis Vectoring Some lathe operations (e.g. thread cutting, taper machining) require setting the compound axis at an angle. In order to correctly display the position of the tool, the movement from the compound must be broken into its axial components and added to the other two axes. -
Page 27: Tool Compensation
Lathe Functions Tool Compensation When tool compensation is enabled in lathe mode, the digital readout will offset the displayed position from the actual position by the difference in tool sizes. This feature allows you to perform operations with multiple tools without re-zeroing every time the quick change tool post or turret is indexed. -
Page 28: Settings
Settings Your DRO was preprogrammed at the factory with the most popular settings and set to match the supplied linear encoders. All settings, parameters, and custom programs are stored in power-independent memory. When power is interrupted or the DRO is turned off with the switch on the back, no settings or data will be lost. However, if an axis is moved while the unit is without power, the position of that axis will not be tracked. - Page 29 Settings To Change the Encoder Settings: Step Buttons Information Screen Press the settings button ***MAIN MENU*** Use the right and left arrows to navigate to Scale -Scale Set Settings and press OK Use the right and left arrows to select the axis to change SCALE SETTINGS settings -Y Axis...
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Page 30: Display Settings
Settings Display Settings The display settings allow the user some control over the information displayed by the DRO: • LCD Back-light - Select on or off to enable the LCD back-light. • Calculator Rounding - Set the number of places after the decimal for the calculator function. •... -
Page 31: Specifications
Specifications Electrical Power 100 ~ 240 V AC, 47 ~ 63 Hz, 0.35 A Fuse 250 V, 1.0 A Encoder Interface Meets or exceeds TIA/EIA-422-B and ITU Recommendation V.11 Encoder Supply 5 V ±5%, 50 mA max per axis Maximum input Frequency 5.0 MHz Physical Dimensions... -
Page 32: Troubleshooting
Troubleshooting Unit does not turn on 1. Ensure that the power cable is installed properly and the switch on the back of the unit is in the “on” position. 2. Ensure that the power outlet has power and is supplying the proper voltage and current. 3. -
Page 33: Limited Warranty And Disclaimer
The information contained in this document is subject to change without prior notice. In no event ZS Instruments shall be held respon- sible for any errors and omissions in this document. We reserve the right to make modifications and improvements to our products at any time. - Page 34 ZS Systems LLC 675 N 36th Street Lafayette, IN 47905 USA Telephone/Fax: 765-588-4528 Email: sales@zsinstruments.com H/W Ver 3.1 Website: www.zsinstruments.com F/W Ver 1.302 DR300-UN...
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